托福TPO52听力Conversation1文本+题目+答案解析

托福听力tpo52section2对话讲座原文+题目+答案+译文Conversation2 (1)原文 (1)题目 (3)答案 (5)译文 (5)Lecture3 (7)原文 (7)题目 (9)答案 (11)译文 (11)Lecture4 (13)原文 (13)题目 (15)答案 (17)译文 (17)Conversation2原文NARRATOR:Listen to part of a conversation between a student and an employee at the campus store.FEMALE STUDENT:I like those ceramic coffee mugs you have on display at the other end of the store.Were they made by students?MALE PROFESSOR:Oh,we only use certain suppliers—wholesalers who've been selected by the store manager.FEMALE STUDENT:Do you ever sell things made by students?MALE PROFESSOR:We use preferred vendors only because,I mean…if we said yes to one student,we’d have to say yes to any student who asks.And the store's only so big!FEMALE STUDENT:Hmm,that’s too bad,'cause—um,I make these pretty ceramic bowls—I design'em myself—I'm a studio art major.Anyway,I was hoping I could sell’em here.You see,I’m taking Art202—“Marketing your Art.”And for my final project,I need to find a way to sell my own artwork.MALE PROFESSOR:Hmm…What about selling online?A lotta art and crafts are marketed that way.FEMALE STUDENT:I really don't have the computer skills,or the time to manage a Web site.MALE PROFESSOR:What about the Emporium—you know,that gift shop downtown? I’ve seen items by local artists there—FEMALE STUDENT:The Emporium buys directly from artists?MALE PROFESSOR:Well,they sell items on consignment.FEMALE STUDENT:Consignment…I think my professor mentioned that.MALE PROFESSOR:Yeah,you give them some items to sell on your behalf,and then you and the store split the purchase price.But they wouldn't pay you anything up front—if that’s what you want.And might may need to provide your own display case.FEMALE STUDENT:Oh,I already have a display case,a portable one with three shelves.But aren't there shops that would,you know,just buy stuff from me outright? 'Cause,if not enough bowls are sold,how would I recoup the cost of my materials—they’re not cheap…and neither was the case!MALE PROFESSOR:All the stores around here that sell craft items are small andindependently owned,like the Emporium.For them,selling on consignment lowers their risk;they don’t get stuck with unsold items—they can return them to the owner. You just have to make sure you set a retail price high enough to make it worth your while.But you're right,consignment isn't for everyone.What about the spring craft fair?You know,that outdoor market that’s held on Saturdays?Plenty of local people sell their stuff there—ceramics,jewelry,decorative items…The vendor fee is nominal,I believe.FEMALE STUDENT:Oh yeah,I remember seeing that last year…all those tables lined up in that vacant lot on Main Street,right?MALE PROFESSOR:Right!Since the craft fair's only a few blocks from campus,it seems like a good place for students to sell things.FEMALE STUDENT:Do you know how it works?MALE PROFESSOR:I think you'd just rent a space and set up a table to display your bowls on.You’d set the prices and keep all the profits.FEMALE STUDENT:Seems doable—But,hmm I don't have a car to haul everything down there.MALE PROFESSOR:You could take the campus bus—it goes into town on weekends.FEMALE STUDENT:True.But…I'd also hafta sit there all day when I should be in the library or the studio.I dunno…I suppose I could do my reading assignments between customers.题目1.Why does the woman go to talk to the man?A.To find out how the store pays artists for their workB.To purchase some ceramic coffee mugsC.To find out if the store sells objects made by studentsD.To ask about the advantages and disadvantages of consignment sales2.What is the main reason that the woman cannot display her ceramic bowls in the campus store?A.Her bowls are too expensive.B.There is not enough room for her display case.C.The store gets merchandise only from approved suppliers.D.There is little demand on campus for ceramic bowls.3.According to the conversation,what is a reason that the woman wants to sell her bowls?A.To earn enough money to buy a second display caseB.To fulfill a requirement of one of her coursesC.To impress her studio art professorD.To gain experience that could help in her future career4.What is the woman's attitude toward selling items at the Emporium?A.She is eager to display her work to the public thereB.She is encouraged because the Emporium specializes in selling ceramicsC.She is worried because she does not fully understand the consignment process.D.She is worried that she might not make much money.5.What concerns does the woman initially express about selling items at the craft fair? [Click on2answers]A.Whether doing so would interfere with her studiesB.Whether customers would appreciate her artistryC.Whether she could afford the fee charged to sellersD.Whether she would be able to transport her items to the fair答案C C BD AD译文旁白：请听一段学生和大学商店雇员之间的对话。

托福听力tpo55section1对话讲座原文+题目+答案+译文Conversation1 (1)原文 (1)题目 (3)答案 (4)译文 (4)Lecture1 (5)原文 (5)题目 (7)答案 (9)译文 (9)Lecture2 (11)原文 (11)题目 (13)答案 (15)译文 (15)Conversation1原文NARRATOR:Listen to a conversation between a student and her environmental science professor.FEMALE STUDENT:You know,the DVD we watched yesterday on ways we can protect the environment was really eye-opening…MALE PROFESSOR:Well,I’m glad to hear that.Sometimes a DVD like this can bring to life concepts that my lectures can’t.Of course lectures are important,but otherforms of presentation—like DVDs—help get across the concepts I want you to understand,too.FEMALE STUDENT:I agree.And the DVD got me thinking about the project you assigned.Now,I know we’re not supposed to work with anyone else for this assignment,but two of us think we have a really good idea.MALE PROFESSOR:OK,I’m listening.FEMALE STUDENT:Well,the student from class who I wanna work with—it’s Jessica Smith—you see,she has a part-time job at the hotel on campus…uh…where parents and people who are here for conferences stay?MALE PROFESSOR:Ah,yes.The environmental science department just hosted a conference not too long ago,and we had several attendees who stayed there.They really enjoyed staying at that hotel.FEMALE STUDENT:I’m sure.Jessica says it’s really nice,but it’s not so environmentally friendly.MALE PROFESSOR:Hmm…I see.Well,hotels may be reluctant to make changes to protect the environment if it could be perceived as negatively affecting the comfort of hotel guests.FEMALE STUDENT:Well,that has to do with our idea for the project.Uh…Jessica and I wanna do an assessment of the hotel and see what they can do to save energy, and create less pollution—without interfering with the positive experience of patrons.And I figured since she works there,it’d be easier for us to do the project together.Plus she already ran the idea by the hotel manager,and he’s on board with it.He was even telling her how he can use our work to apply for a grant from a local environmental foundation for money to make energy-saving upgrades and stuff!So we’d make recommendations,then he’d use our findings to make real changes.MALE PROFESSOR:That’s certainly a compelling idea—and it definitely fits within the general guidelines of the project.OK.Just give me an outline of what you plan todo,and,well,I’m a little worried.…I’ll still need you to submit the paper in the format we discussed in class,not whatever format the hotel manager might want.题目1.What is the conversation mainly about?A.A grant the student wants to apply forB.The student’s proposed plan for a class assignmentC.A project presented in a DVD the class watchedD.The student’s part-time job at a hotel2.What does the student ask the professor to allow her to do?A.Take extra time on her projectB.Write a grant rather than a paperC.Work with a partner on an assignmente her job as the focus of her project3.Why does the professor mention a science conference?A.To suggest that the student attend itB.To indicate that he is familiar with the hotelC.To state where he got information about a new discoveryD.To state where he got the video that he showed in class4.According to the conversation,why might the campus hotel managers be slow to adopt environmentally friendly policies?A.They are concerned that their customers may not be happy with the changes.B.They are not knowledgeable about the potential benefits.C.No financial help is available for reducing the initial cost of making the changes.D.They have tried to adopt such policies and found them of little use.5.What concern does the professor express?A.That the hotel manager might not allow the research to take place at the hotelB.That Jessica Smith might be too busy with her job to do the projectC.That the student’s idea for the project is overly ambitiousD.That the student might not focus on fulfilling all the requirements of the project答案B C B A D译文旁白：听一个学生和她的环境科学教授之间的对话。

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托福TPO1听力Conversation1文本Student: Hi, um…, I really hope you can help me.Librarian: That’s why I’m here. What can I do for you?Student: I’m supposed to do a literature review for my psychology course, but um… having a hard time finding articles.I don’t even know where to start looking.Librarian: You said this is for your psychology course, right? So your focus is on …Student: Dream Interpretation.Librarian: Well, you have a focus, so that’s already a good start. Hmmm… well, there’re a few things… oh wait… have you checked to see if your professor put any material for you to look at on reserve?Student: Aha, that’s one thing I did know to do. I just copied an article, but I still need three more on my topic from three different journals.Librarian: Let’s get you going on looking for those then. We have printed versions of twenty or so psychology journals in the Reference Section. These are the ones published within the last year. Then I think about it… there’s a journal named Sleep and Dream.Student: Oh, yeah, the article I just copied is from that journal, so I’ve got to look at other source s.Librarian: Ok, actually, most of our materials are available electronically now. You can access psychology databases or electronic journals and articles through the library’s computers,and if you want to search by title with the word ‘dream’ for exampl e, just type it in and all the articles with ‘dream’ in the title will come up on the screen.Student: Cool, that’s great! Too bad I cannot do this from home.Librarian: But you can. All of the library's databases and electronic sources can be accessed through any computer connected to the university network.Student: Really, I can’t believe I didn’t know that. It still sounds like it’sgoing to take a while though, you know, going through all of that information, all of those sources.Librarian: Maybe, but you already narrow your search down to articles on Dream Interpretation, so it shouldn’t be too bad. And you probably notice that there’s an abstract or summary at the top of the first page of the article you copied. When you go into the databases and electronic sources, you have the option to display the abstracts on the computer screen, skimming those to decide whether or not you want to read the whole article should cut down some time.Student: Right, abstracts! They’ll definitely make the project more doable. I guess I should try out the electronic search while I’m still here then, you know, just in case.Librarian: Sure, er… that computer’s free over there, and I’ll be here till five this afternoon.Student: Thanks, I feel a lot better about this assignment now.托福TPO1听力Conversation1题目1.Why does the student go to see the librarian?a) To sign up for a seminar on using electronic sources for researchb) To report that a journal is missing from the reference areac) To find out the procedure for checking out journal articlesd) To ask about how to look for resources for a class paper2.What does the librarian say about the availability of journals and articles in the library?a) They are not easy to find if a professor put them on reserve.b) Most of them are accessible in an electronic format.c) Most of them can be checked out for three weeks.d) Printed versions from the past three years are located in the reference section.3.What does the librarian suggest the student should do to save time?。

5月13日托福听力真题回忆2017年05月13日托福听力考题回忆Conversation 1话题分类：学生和文学教授内容回忆：本对话是关于学生和教授讨论文学作品（Continuity of the Porks)的问题，学生不是很清楚主人公之间的联系，觉得很不现实。

教授表示很满意，尤其是当学生完全投入于作品的研读中。

对话还提及学生自己的创作（关于一个女孩），小说主人公并没有名字，学生提到这样会增加神秘感以及形成自己独特的文学风格。

Conversation 2话题分类：学生和店主内容回忆：学生去找店主讨论关于T-shirts的设计。

目的是参加一party，还可以激励学生学习天文学。

谈论了设计标志，符号，以及正北面的图案。

唯独忘记了印刷颜色，学生表示确认后再回复。

其中提到了海洋生物学学生，是他们给到他们设计的灵感。

Lecture 1标题：商业中的文化渗透内容回忆：讲述在商品包装上的艺术渗透的效果。

在产品的包装中，加入艺术，比如印有名画，会让人感觉有声望和地位，会影响消费者的选择。

文中通过做了两个实验，分别是2和3副图片，第一个实验证明包装画呈现正确的表达意图和技巧，可以影响消费倾向。

第二个实验证明，图画呈现位置也会对客户需求产生影响。

Lecture 2标题：无脊椎动物的智慧内容回忆：本文主要是讲到无脊椎动物的智慧，其中重点提到了章鱼，其有非常强大的神经系统，而且紧密结合。

比其他无脊椎动物还要智慧。

实验证明了一个记忆系统可以存储短期记忆和长期记忆，小章鱼几乎没有从他们的父母那里学习任何行为，与他们几乎没有接触。

一些章鱼，比如类似的章鱼，会以模仿其他海洋生物的形状和动作的方式移动它们的手臂。

在实验室实验中，章鱼可以很容易地训练来区分不同的形状和模式。

并且章鱼已经被证明可以使用工具。

至少有四个章鱼的标本被目击了找回被丢弃的椰子壳，操纵它们，然后积极指导作用。

Lecture 3学科分类：Geology标题：关于地球内部的地质组成内容回忆：本文主要讲述关于研究地球内部的地质组成，传统的地壳模式被曲解了，其中做了一个实验，运用DAC(Diamond anvil cell），测试水晶的抗压力，测出其地质动态基于地幔内地震波的速度。

托福听力tpo51两篇对话精析Conversation1 (1)原文 (1)题目 (3)答案 (5)译文 (5)Conversation2 (7)原文 (7)题目 (9)答案 (10)译文 (11)Conversation1原文NARRATOR:Listen to part of a conversation between a student and her biology professor.MALE PROFESSOR:So the assignment is to reproduce one of the animal camouflage experiments we read about in our text book.Which experiment did you pick?FEMALE STUDENT:Well...I was wondering if I could try to reproduce an experiment that's kinda the opposite of what was discussed in the textbook?MALE PROFESSOR:So,instead of how and why an animal might hide itself,you want to do something about why an animal might want to be seen?Hmmm.Tell me more.FEMALE STUDENT:Well,I got the idea from one of the journals you said we should look at…it's an experiment about,um,they called them eyespots in the article?MALE PROFESSOR:Eyespots,sure,the patterns on the wings of moths and butterfliesthat are generally believed to scare off predators because they look like big eyes.FEMALE STUDENT:Yeah,except the article was about an experiment that disputes that theory.MALE PROFESSOR:Well,we know that the markings do scare the birds,but the idea that the spots look like eyes is,well that's just a commonly held belief.FEMALE STUDENT:So—that's not even based on research?MALE PROFESSOR:Well,this whole idea of moth or butterfly markings being scary because they look like eyes rests on how we imagine that their predators—like birds —perceive the markings.And we can never really know that.All we can do is observe bird behavior.But tell me more about the experiment.FEMALE STUDENT:OK,so the experiment looked at the shapes of the markings on moth wings.The researchers wanted to know if the markings that were round or eye-shaped were more effective at deterring predators than square or rectangular markings.MALE PROFESSOR:OK…FEMALE STUDENT:Yeah.So,they attached food to paper models of moths,with different shaped marks drawn on the wings,to see how birds reacted.And what's interesting is,they realized that the round marks were not more effective at scaring birds than other shapes.MALE PROFESSOR:Were they less effective?FEMALE STUDENT:No,they were about the same...but what researchers did determine is that larger markings are more effective than smaller markings at scaring off prey.They called this phenomenon“visual loudness.”MALE PROFESSOR:Visual loudness,huh.Well,I guess it's not all that shocking,if you think about it.FEMALE STUDENT:So,anyway,is it OK?Can I repeat this experiment and write aboutit?MALE PROFESSOR:Yes,I think that'll work.The problem I foresee is,well,where? This is an urban campus...You'll have a hard time finding a good place to set up the experiment.FEMALE STUDENT:Oh,I-I wasn't planning on doing it on campus.I'm going home for spring break,and my family lives in the country,far from the nearest city.I can set it up in the backyard.MALE PROFESSOR:Good idea.Except one week is not a lot of time.So you'll need to make some adjustments to have enough data.I'd set up the experiment near a bird feeder,and get in as much observation time as you can.题目1.Why does the student talk with the professor?A.She wants permission to revise an experiment that she conducted earlier.B.She has a question about the findings of an experiment in the textbook.C.She wants to reproduce an experiment that is not in the textbook.D.She would like some advice about how to study butterfly and moth behavior.2.What does the professor say is a common assumption about certain markings on butterfly and moth wings?A.That the markings are usually hidden from viewB.That the markings attract some kinds of birds more than othersC.That some birds perceive the markings as large eyesD.That butterflies and moths use the markings to attract mates3.What were the results of the experiment that the student describes?[Click on2 answers.]A.Birds reacted to round markings the same way they reacted to square markings.rge markings scared birds more than small markings did.C.Most birds ignored markings that looked like eyes.D.Birds were attracted to more colorful markings.4.Why does the professor mention a bird feeder?A.To suggest a strategy that may help the student carry out her task successfullyB.To recommend a place on campus that is suitable for the student's projectC.To discuss another experiment that has yielded surprising resultsD.To point out a problem in the design of the original experiment5.What can be inferred about the student when she says this:Professor:Well,we know that the markings do scare the birds but the idea that the spots looked like eyes is……well,that is just a commonly held belief.Student:So,that’s not even based on research?A.She is skeptical about what the professor just told her.B.She just realized that she designed her experiment incorrectly.C.She is worried that she misunderstood something that she read.D.She had assumed that there was scientific evidence for the theory.答案C C AB A D译文旁白：请听一段学生和其生物学教授之间的对话。

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托福TPO52听力Conversation2文本 标题：Selling Self-made Ceramic Bowls Listen to part of a conversation between a student and an employee at the campus store. Student: I’d like the ceramic coffee mugs you have on display at the other end of the store. Were they made by students? Employee: Oh, we only use certain suppliers, wholesalers who’ve been selected by the store manager. Student: Do you ever sell things made by students? Employee: We used preferred vendors only because……I mean if we said yes to one student, we’d have to say yes to any student who asks. And this store is only so big. Student: That’s too bad because I make these pretty ceramic bowls. I designed them myself. I’m a studio art major. Anyway… um… I was hoping I could sell them here. You see I’m taking art 202, marketing your art. And for my final project I need to find a way to sell my own art work. Employee: Um… what about selling on line? A lot of art and crafts so marketed that way…… Student: I really don’t have the computer skills or the time to manage a website. Employee: What about the emporium? You know, that gift shop downtown. I’ve seen items by the local artists there. Student: They’re importing buys directly from the artists? Employee: Well, they sell items on consignment. Student: Consignment… I think my professor mentioned that. Employee: Yeah, you give them some items to sell on your behalf and then you and the stores split the purchase price. But they wouldn’t pay you anything up front if that’s what you want. And you might need to provide your own display case. Student: Oh, I already have display case, a portable one with three shelves. But aren’t the shops that were… you know, just buy stuff from me outright? Because if not enough bowls were sold, how would I recruit the cost of my materials? They are not cheap and neither was the case. Employee: All the stores around here that sell craft items are small and independently owned, like the emporium. For them, selling in consignment lowers their risk. They don’t get stuck with unsold items. They can return them to the owner. You just have to make sure you set the retail price high enough to make it worth you want. But you’re right, consignment isn’t for everyone. What about the spring craft fair? You know that outdoor market that‘s held on Saturdays? Plenty of local people sell their stuff there, ceramics, jewelry, decorative items. The demand fee is nominal I believe. Student:Oh, yeah. I remember seeing that last year. All those tables lined up at that weekend on main street, right? Employee:。

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托福TPO53听力Conversation1文本 Listen to a conversation between a student and his drama professor. Professor: Hi Robert. So how's your paper going? Robert: Pretty well. It's a lot of work, but I’m getting into it, so I don't mind. I’ll probably have some questions for you in the next week or so. Professor: Okay. Glad to hear you’re progressing so well. Robert: Um… There was something you said at the end of the lecture on Tuesday, something about there not really being any original plays. Professor: There’s no such thing as an original play. Yes. That's the direct quote from Charles Mee. Robert: Mee… that's with two “e”s, right? Professor: Yep. M-E-E. You'll probably be hearing a lot about him. He's becoming a pretty famous playwright. Robert: Yeah，well, I’ve been thinking about his quote. I mean there must be some original plays out there. Professor: I’ll grant that he's overstating things somewhat. But the theater does have a long tradition of borrowing. Take Shakespeare. Like most writers of his day, he borrowed plots from other sources unabashedly. And the ancient Greeks, all the plays they wrote were based on earlier plays, poems and myths. Robert: And borrowing applies to plays being written nowadays, too? Professor: To some extent, yes. Mee, for example, he's made a career out of remaking plays, one of which we’ll be studying soon. It’s called Full Circle and Mee based it on an earlier play by a German playwright. Robert: Oh Full Circle… Wasn't that based on the Caucasian Chalk Circle? Professor: That's right. Robert: I remember hearing about that play from my acting coach. Professor: Okay. Well, the Caucasian Chalk Circle was based on a play by yet another German playwright, someone who was fascinated by the ancient literature of China, India and Persia, and many of his works were adapted from those literatures, including his version of the Chalk Circle which was based on an early Chinese play. Robert: So this Full Circle play, by Charles Mee, the one we're going to study, it's like the third or fourth remake. Wow… And we complain that Hollywood keeps making the same movies over and over again. Professor: Well, part of what Mee’s trying to do is drive home the point that: One, theater’s always a collaborative effort. Robert: Well, yeah, the playwright, the director, the actors, people have to work together to produce a play. Professor: Yes, of course. But Mee means historically. The dramatic literature of early periods is hugely influential in shaping later dramatic works. Robert: So it's like when the playwright bases a play on a previous playwright's theme or message.It's like they're talking to each other, collaborating. Uh, just not at the same time right? Professor: Exactly. And the second point Mee's trying to make, I think, is that it's legitimate to retell an old story in a new way, in a way that’s, uh… more in line with contemporary concerns. So when playwrights reinvent or update an earlier play, it shouldn't be construed as a lack of imagination or an artistic failure. 托福TPO53听力Conversation1题目 1.Why does the man go to see the professor? A. To discuss a play he heard about B. To get feedback on a paper he is writing C. To ask about a point made in class D. To get information about an acting coach 2.Why does the professor mention Shakespeare and the ancient Greek playwrights? A. To support her statement that some original plays do exist。

?小编给考生们带来了托福TPO52口语文本+题目及下载，希望大家多做题，多积累、多研究，有针对性的规划考试。

task1QuestionWhat characteristic in a house or apartment do you think is the mostimportant for making it a good place to live? Choose one quality orcharacteristic. Explain why you think it is important.示例范文：Speaking of one quality that makes a house or an apartment a good place tolive, it must have plenty of windows. First, if a house has many windows, itcould offer the people who live in it better scenery to appreciate, whether it’sa glorious city view or spectacular natural scenery. With this, while feeingquite tired after work, they could take a look at outside world and refreshtheir mind. Second, plenty of windows would make the interior environmentbright, which is very essential to people’s mood and health. When people are ina dark surrounding, they tend to be upset, impatient and depressed. On thecontrary, brightness could bring them a better mood and in a long run would dogood to their physical health as well. Therefore, having plenty of windows is acharacteristic in a house or apartment that I value.索取“TPO52口语听力音频+范文”，请加sunny老师微信(shnc_2018)，发送暗号“TPO52”Task2QuestionState whether you agree or disagree with the following statement. Thenexplain your reasons, using specific details in your explanation. People aremore likely to enjoy themselves at concerts or films if they go with a group of friends.范文I disagree with the statement that people are more likely to enjoythemselves if going to concerts or films with a group of friends. First, with friends being around, people couldn’t fully enjoy or appreciate films or concerts. While watching a movie or listening to a concert, what people want most is to indulge themselves in it and forget all the worries and troubles from the outside world. If their friends are nearby, they couldn’t concentrate, not to mention enjoy what they are watching or listening to. Second, they may feel bored if they are not into the concerts or movies. What the group is going to watch or listen is up to the one in charge. For example, if one prefers action movie while the final decision made by the leader a romantic film, then this is definitely going to be a boring and killing experience to this person. Therefore, I wouldn’t recommend people going to a movie or concert with friends.task3Graduation speaker should be a business leaderI think the university should invite a business leader to speak at thisyear's graduation ceremony - perhaps an executive from one of the large corporations in the area. For students, business leaders are excellent role models because they represent the meaning of professional success. They influence people every day, make important decisions, and have achieved。

tpo52三篇托福阅读TOEFL原文译文题目答案译文背景知识阅读-1 (2)原文 (2)译文 (5)题目 (7)答案 (14)背景知识 (18)阅读-2 (23)原文 (23)译文 (26)题目 (28)答案 (37)背景知识 (40)阅读-3 (42)原文 (42)译文 (45)题目 (48)答案 (56)背景知识 (60)阅读-1原文Stream Deposit①A large,swift stream or river can carry all sizes of particles,from clay to boulders.When the current slows down,its competence(how much it can carry)decreases and the stream deposits the largest particles in the streambed.If current velocity continues to decrease-as a flood wanes,for example-finer particles settle out on top of the large ones. Thus,a stream sorts its sediment according to size.A waning flood might deposit a layer of gravel,overlain by sand and finally topped by silt and clay.Streams also sort sediment in the downstream direction. Many mountain streams are choked with boulders and cobbles,but far downstream,their deltas are composed mainly of fine silt and clay. This downstream sorting is curious because stream velocity generally increases in the downstream petence increases with velocity,so a river should be able to transport larger particles than its tributaries carry.One explanation for downstream sorting is that abrasion wears away the boulders and cobbles to sand and silt as the sediment moves downstream over the years.Thus,only the fine sediment reaches the lower parts of most rivers.②A stream deposits its sediment in three environments:Alluvial fans and deltas form where stream gradient(angle of incline)suddenly decreases as a stream enters a flat plain,a lake,or the sea;floodplain deposits accumulate on a floodplain adjacent to the stream channel; and channel deposits form in the stream channel itself.Bars,which are elongated mounds of sediment,are transient features that form in the stream channel and on the banks.They commonly form in one year and erode the next.Rivers used for commercial navigation must be recharged frequently because bars shift from year to year.Imagine a winding stream.The water on the outside of the curve moves faster than the water on the inside.The stream erodes its outside bank because the current's inertia drives it into the outside bank.At the same time,the slower water on the inside point of the bend deposits sediment,forming a point bar.A mid-channel bar is a sandy and gravelly deposit that forms in the middle of a stream channel.③Most streams flow in a single channel.In contrast,a braided stream flows in many shallow,interconnecting channels.A braided stream forms where more sediment is supplied to a stream than it can carry. The stream dumps the excess sediment,forming mid-channel bars.The bars gradually fill a channel,forcing the stream to overflow its banks and erode new channels.As a result,a braided stream flows simultaneously in several channels and shifts back and forth across itsfloodplain.Braided streams are common in both deserts and glacial environments because both produce abundant sediment.A desert yields large amounts of sediment because it has little or no vegetation to prevent erosion.Glaciers grind bedrock into fine sediment,which is carried by streams flowing from the melting ice.If a steep mountain stream flows onto a flat plain,its gradient and velocity decrease sharply.As a result,it deposits most of its sediment in a fan-shaped mound called an alluvial fan.Alluvial fans are common in many arid and semiarid mountainous regions.④A stream also slows abruptly where it enters the still water of a lake or ocean.The sediment settles out to form a nearly flat landform called a delta.Part of the delta lies above water level,and the remainder lies slightly below water level.Deltas are commonly fan-shaped, resembling the Greek letter"delta"(∆).Both deltas and alluvial fans change rapidly.Sediment fills channels(waterways),which are then abandoned while new channels develop as in a braided stream.As a result,a stream feeding a delta or fan splits into many channels called distributaries.A large delta may spread out in this manner until it covers thousands of square kilometers.Most fans,however,are much smaller,covering a fraction of a square kilometer to a few square kilometers.The Mississippi River has flowed through seven different delta channels during the past5,000to6,000years.But in recent years,engineers have built great systems of levees(retaining walls)in attempts to stabilize the channels.译文溪流沉积物①一条大而湍急的小溪或河流可以承载各种大小的颗粒，从微小的粘土到巨石。

2019年12⽉21⽇托福听⼒考试真题答案 2019年的最后⼀场托福考试，已经顺利结束了，⼤家考得怎么样呢？来跟着店铺⼀起看⼀看2019年12⽉21⽇托福听⼒考试真题答案。

Conversation C1：学⽣要去做志愿者活动，这个活动是关于⽤艺术为灵感激发参赛者来写诗的。

C2：学⽣找⽼师想要funding，做关于学校tree的⼩册⼦。

C3：学⽣被要求重写research，其中⼀个tv show关于太阳核裂变的内容被⽼师建议作为final paper来写。

C4：学⽣来反馈宿舍的vending machine 坏了，还吞了钱。

C5：学⽣找写作中⼼的⽼师，先是说⾃⼰迟到了因为⾃⼰的ID badge丢了，然后补办的时候机器还坏掉了。

然后学⽣在写的是关于doomsday book paper，介绍书的内容提到William the conqueror对于赋税标准的调查。

⽼师建议introductory paragraph应该占⽐5%，以及它应该能够直接清晰说明⽂章论述主题。

学⽣意识到应该找⼀些其他的参考资料来去⽀撑他观点的内容。

最后⽼师还建议学⽣⽤这本书⾥⾯的事实和例⼦来作为主体的论证内容。

⽽conclusion应该跟introductory⼀样简洁，占5%。

Lecture 来看看答案：A C D B D AB 都对了吗？ Art：教授介绍⼀个aboriginal画家adopt了欧洲的⼀种画风，然后很有名，然后⼜创新的风格。

Art：教授介绍⼀种statue，从⼀个statue 转化到physiological statue，举了⼀个⼈的例⼦，说做了多⼤的贡献 Psychology：教授介绍关于婴⼉通过哭笑表达想法的研究，了解baby哭的⾏为和对babysitter的影响。

History：教授谈论postcard作为⼀⼿信息的价值。

Environmental Science：教授介绍暴风雪把细菌从⼀个⼟地带到另⼀个，改善⼟壤环境。

10月22日托福听力口语真题回忆及答案解析托福考试的真题资料一般都是考生们比较关注的，因为可以从中总结出考试出题趋势，分析考试出题重难点等等，对大家以后考试也会有一定帮助的。

下面是小编提供的10月22日托福听力口语真题回忆及答案解析。

2016年10月22日托福听力真题回顾资料2016年10月22日托福听力Conversation 1男生去听音乐会了，教授说很好，我希望你们不只学只是，还能提高欣赏水平。

男生说我姐姐演得太好了，但是那个作者George Gershwin我研究过，没有“crazy for you”这个作品啊，教授说这是一种Juke box musical(忘了)现象，这个时期比较流行，作者会在现有的旋律上写词，而且接下来的课我就会讲到的。

男生说那我知道paper要写什么了，教授说但要有focus啊。

2016年10月22日托福听力Lecture 1ART HISTORY, 工业革命时期大规模生产质量差，艺术家就不高兴了，开始有这个运动，另一个原因是那个时候人们比较闲，有时候把ART当爱好了。

什么什么CHINA MOVEMENT非常流行，有个展会有各种有名的人参加，爱迪生什么的。

女性非常受益，城市的女性可以去学校学习，请老师来家里，农村的就通过在杂志学。

2016年10月22日托福听力Lecture 2ASTRONOMY, 有水的行星不只是在H ZONE有，太阳系外还有别的形式。

第一张是和白矮星靠得足够近。

女生提问说靠白矮星不是会先膨胀再坍缩吗，而且白矮星也又小又冷啊，教授说靠得足够近就可以，而且在坍缩后会有可能形成新的星体，条件就符合了。

第二种是暗物质，现在对暗物质了解很少，因为看不见，不与光反应只和重力反应。

但是如果有暗物质在词汇表星体中间挤压就会产生能量，从岩石传到地表。

教授们对暗物质的态度比较CAUTIOUS因为现在人们知道的不是很多(有题)。

地球上有海洋是因为太阳光，别的星球有海洋原因就不一定了。

TPO-5 Conversation 1 Narrator Listen to a conversation between a student and a counselor at the University Counseling Center. Student Hi, thanks for seeing me in such short notice. Counselor No problem. How can I help? Student Well, I think I might have made a mistake coming to the school. Counselor What makes you say that? Student I’m a little overwhelmed by the size of this place. I come from a small town. There were only 75 of us in my high school graduating class. Everyone knew everyone. We all grew up together. Counselor So it’s a bit of a culture shock for you? Being one of 15,000 students on a big campus in an unfamiliar city? Student That’s an understatement. I just can’t get comfortable in class or in the dorms. You know, socially. Counselor Um…well, let’s start with the academics. Tell me about you classes. Student I’m taking mostly introductory courses and some are taught in these huge lecture halls. Counselor And you are having trouble in keeping pace with the material? Student No, in fact I got an A on my first economics paper. It’s just that, it’s so impersonal, I’m not used to it. Counselor Are your classes impersonal? Student No, it’s just that…for example, in sociology yesterday, the professor asked a question, so I raised my hand, several of us raised our hands. And I kept my hand up because I did the reading and knew the answer. But the professor just answered his own question and continued with the lecture. Counselor Well, in a big room it’s possible he didn’t notice you. Maybe he was starting to save time. In either case I wouldn’t take it personally. Student I suppose. But I just don’t know how to, you know, distinguish myself. Counselor Why not stop by his office during office hours? Student That wouldn’t seem right. You know, taking time from other students who need help? Counselor Don’t say that. That’s what office hours are for. There is no reason you couldn’t pop in to say hi and to make yourself known. If you are learning a lot in class, let the professor know. Wouldn’t you appreciate positive feedback if you were a professor? Student You are right. That’s a good idea. Counselor OK, er…let’s turn to your social life. How’s it going in the dorms? Student I don’t have much in common with my roommate or anyone else I’ve met so far. Everyone’s into sports and I’m more artsy, you know, into music. I play the cello. Counselor Hah, have you been playing long? Student Since age ten. It’s a big part of my life. At home I was the youngest member of our community orchestra. Counselor You are not going to believe this. There is a string quartet on campus, all students. And it so happened that the cellist graduated last year. They’ve been searching high and low for a replacement, someone with experience. Would you be interested in auditioning? Student Absolutely. I wanted to get my academic work settled before pursuing my music here. But I think this would be a good thing for me. I guess if I really want to fit in here I should find people who love music as much as I do. Thank you. Counselor My pleasure. TPO 5 Lecture 1 Sociology Narrator Listen to part of a lecture in a sociology class. Professor: Have you ever heard the one about alligators living in New York sewers? The story goes like this: a family went on vacation in Florida and bought a couple of baby alligators as presents for their children, then returned from vacation to New York, bringing the alligators home with them as pets. But the alligators would escape and find their way into the New York sewer system where they started reproducing, grew to huge sizes and now strike fear into sewer workers. Have you heard this story? Well, it isn’t true and it never happened. But despite that, the story has been around since the 1930s. Or how about the song ‘twinkle, twinkle little star’, you know, ‘twinkle, twinkle, little star, how I wonder what you are’. Well we’ve all heard this song. Where am I going with this? Well, both the song and the story are examples of memes. And that’s what we would talk about, the theory of memes. A meme is defined as a piece of information copied from person to person. By this definition, most of what you know, ideas, skills, stories, songs are memes. All the words you know, all the scientific theories you’ve learned, the rules your parents taught you to observe, all are memes that have been passed on from person to person. So what? You may say. Passing on ideas from one person to another is nothing new. Well, the whole point of defining this familiar process as transmission of memes is so that we can explore its analogy with the transmission of genes. As you know, all living organisms pass on biological information through the genes. What’s a gene? A gene is a piece of biological information that gets copied or replicated, and the copy or replica is passed on to the new generation. So genes are defined as replicators. Genes are replicators that pass on information about properties and characteristics of organisms. By analogy, memes also get replicated and in the process pass on culture information from person to person, generation to generation. So memes are also replicators. To be a successful replicator, there are three key characteristics: longevity, fecundity and fidelity. Let’s take a closer look. First, longevity. A replicator must exist long enough to be able to get copied, and transfer its information. Clearly, the longer a replicator survives, the better its chances of getting its message copied and passed on. So longevity is a key characteristic of a replicator. If you take the alligator story, it can exist for a long time in individual memory, let’s say, my memory. I can tell you the story now or ten years from now, the same with the twinkle, twinkle song. So these memes have longevity because they are memorable for one reason or another. Next, fecundity. Fecundity is the ability to reproduce in large numbers. For example, the common housefly reproduces by laying several thousand eggs, so each fly gene gets copied thousands of times. Memes, well, they can be reproduced in large numbers as well. How many times have you sung the ‘twinkle, twinkle song’ to someone? Each time you replicated that song, and maybe passed it along to someone who did not know it yet, a small child maybe. And finally, fidelity. Fidelity means accuracy of the copying process. We know fidelity is an essential principle of genetic transmission. If a copy of a gene is a bit different from the original, that’s called a genetic mutation. And mutations are usually bad news. An organism often can not survive with a mutated gene. And so a gene usually can not be passed on, unless it’s an exact copy. For memes however, fidelity is not always so important. For example, if you tell someone the alligator story I told you today, it probably won’t be word for word exactly as I said it. Still, it will be basically the same story, and the person who hears the story will be able to pass it along. Other memes are replicated with higher fidelity though, like the twinkle, twinkle song. It had the exact same words 20 years ago as it does now. Well, that’s because we see songs as something that has to be performed accurately each time. If youchange a word, the others will usually bring you in line. They’ll say, ‘that’s not how you sing it’, right? So, you can see how looking at pieces of cultural information as replicators, as memes, and analyzing them in terms of longevity, fecundity and fidelity, we can gain some inside about how they spread, persist or change TPO 5 Lecture 2 Astronomy Narrator Listen to part of a lecture in an Astronomy Class Professor: Last week, we covered some arguments against going back to the Moon. But there are compelling reasons in favor of another Moon landing too, um… not the least of which is trying to pinpoint the moon’s age. We could do this in theory by studying an enormous impact crater, known as the South Pole-Aitken Basin. Um…it’s located in the moon’s South Polar Region. But, since it’s on the far side of the moon, it can only be seen from space. Here is an image of…we’ll call it the SPA Basin. This color-coated image of the SPA Basin, those aren’t its actual colors obviously, this image is from the mid 90s, from the American spacecraft called Clementine. Um… unlike earlier lunar missions, Clementine didn’t orbit only around the moon’s equator. Its orbits enable it to send back data to create this topographical map of … well, the grey and white area towards the bottom is the South Pole, the purples and blues in the middle correspond to low elevations - the SPA Basin itself, the oranges and reds around it are higher elevations. The basin measures an amazing 2,500 km in diameter, and its average depth is 12 km. That makes it the biggest known crater in our solar system and it may well be the oldest. You know planetary researchers love studying deep craters until learn about the impacts that created them, how they redistributed pieces of a planet’s crust and in this case, we especially want to know if any of the mantle, the layer beneath the crust, was exposed by the impact. Not everyone agrees, but some experts are convinced that whatever created the SPA Basin did penetrate the Moon’s mantle. And we need to find out, because much more than the crust, the mantle contains information about a planet’s or Moon’s total composition. And that’s key to understanding planet formation. Um… Dian? Dian: So, the only way to know the basin’s age is to study its rocks directly? Professor: well, from radio survey data, we know that the basin contains lots of smaller craters. So it must be really old, about 4 billion years, give or take a few hundred million years. But that’s not very precise. If we had rock samples to study, we’d know whether the small craters were formed by impacts during the final stages of planetary formation, or if they resulted from later meteor showers. Dian: But if we know around how old the Basin is, I’m not sure that’s reason enough to go to the Moon again. Professor: No…, but such crude estimates…um…we can do better than that. Besides, there are other things worth investigating, like is there water ice on the moon? Clementine’s data indicated that the wall of the south-polar crater was more reflective than expected. So some experts think there’s probably ice there. Also, data from a later mission indicates significant concentrations of hydrogen and by inference water less than a meter underground at both poles. Student: Well if there’s water, how did it get there? Underground rivers? Professor: We think meteors that crashed into the moon or tails of passing comets may have introduced water molecules. Any water molecules that found their way to the floors of craters near the moon’s poles, that water would be perpetually frozen, because the floors of those craters are always in shadow. Um…furthermore, if the water ice w a s m i x e d i n w i t h r o c k a n d d u s t , i t w o u l d b e p r o t e c t e d f r o m e v a p o r a t i o n . D i a n : S o a r e y o u s a y i n g t h e r e m i g h t b e p r i m i t i v e l i f e o n t h e m o o n ? P r o f e s s o r : t h a t s n o t m y p o i n t a t a l l . U m & o . k . , s a y t h e r e i s w a t e r i c e o n t h e m o o n . T h a t w o u l d b e a v e r y p r a c t i c a l v a l u e f o r a f u t u r e m o o n b a s e f o r a s t r o n a u t s . W a t e r i c e c o u l d b e m e l t e d a n d p u r i f i e d f o r d r i n k i n g .I t c o u l d a l s o b e b r o k e n d o w n i n t o i t s c o m p o n e n t p a r t s - o x y g e n a n d h y d r o g e n . O x y g e n c o u l d b e u s e d t o b r e a t h e , a n d h y d r o g e n c o u l d b e t u r n e d i n t o f u e l , r o c k e t f u e l . S o w a t e r i c e c o u l d e n a b l e t h e c r e a t i o n o f a s e l f - s u s t a i n i n g m o o n b a s e s o m e d a y , a m i n i n g c a m p p e r h a p s o r a d e p a r t u r e p o i n t f o r f u r t h e r s p a c e e x p l o r a t i o n . S t u d e n t : B u t h o l d i n g t o n s o f e q u i p m e n t t o t h e m o o n t o m a k e f u e l a n d b u i l d a l i f e s u p p o r t s y s t e m f o r a m o o n b a s e , w o u l d n t t h a t b e t o o e x p e n s i v e ? P r o f e s s o r : P e r m a n e n t b a s e , m a y b e a w a y s o f f , b u t w e s h o u l d n t h a v e t o w a i t f o r t h a t . Th e d u s t a t t h e b o t t o m o f t h e S P A B a s i n r e a l l y d o e s h a v e a f a s c i n a t i n g s t o r y t o t e l l . I w o u l d n t gi v e f o r a f e w s a m p l e s o f i t . / d i v > d i v i d = " f l o a t _ b t n " c l a s s = " " b d s f i d = " 6 7 " > b u t t o n c l a s s = " f l o a t _ b t n l e f t _ b t n " i d = " c o p y _ b u t t o n " d a t a - c l i p b o a r d - a c t i o n = " c o p y " d a t a - c l i p b o a r d - t a r g e t = " # c o n t e n t - t x t " o n c l i c k = " d o _ c o p y ( ) ; " b d s f i d = " 6 8 " > e m c l a s s = " i c o n " b d s f i d = " 6 9 " >。

托福听力tpo50全套对话讲座原文+题目+答案+译文Section1 (2)Conversation1 (2)原文 (2)题目 (4)答案 (5)译文 (5)Lecture1 (7)原文 (7)题目 (9)答案 (11)译文 (11)Lecture2 (13)原文 (13)题目 (15)答案 (17)译文 (18)Section2 (19)Conversation2 (19)原文 (19)题目 (21)答案 (23)译文 (23)Lecture3 (25)原文 (25)题目 (27)答案 (29)译文 (29)Lecture4 (31)原文 (31)题目 (33)答案 (35)译文 (36)Section1Conversation1原文NARRATOR:Listen to a conversation between a student and a political science professor.MALE STUDENT:I’m not sure if you know,but I was elected to student government this year…FEMALE PROFESSOR:Oh,congratulations!I was in student government myself as an undergraduate.It taught me a lot about the political process.In fact,the experience solved my problem of what to do with my life—it really cemented my interest in becoming a political scientist.MALE STUDENT:Cool.Anyway,um,the reason I came by is,we’re getting ready to conduct a straw poll on campus.You know,hold an informal vote,since the general election’s just a couple months away.We wanna get a feel for the student body’s political leanings.Like,who students are planning to vote for,which political party people identify with,that sorta thing.FEMALE PROFESSOR:Oh sure.I helped students run a straw poll once,years ago.It was a lotta work,mostly because we used paper ballots and stayed up all night counting‘em.But if you use computers.MALE STUDENT:Yeah,we’re creating a Web site for it where students’ll be able to vote online.Um,and we’re looking for a faculty advisor to help,actually.I was hoping you might be rested.FEMALE PROFESSOR:Oh,I’m flattered,John,but my schedule’s so jammed.I’m teaching two seminars,your intro course,finishing up my research…But,uh,what about Professor Klein?She’s new in our department.Plus,she’s a whiz with computers.MALE STUDENT:OK.I’ll ask her.FEMALE PROFESSOR:So,have you decided on a topic for your term paper yet?MALE STUDENT:Not really.FEMALE PROFESSOR:Why not write about your straw poll?Since the paper’s not due till after the election,you could include your results,maybe compare them with the real election results?MALE STUDENT:But would that be enough?I mean,just comparing numbers?FEMALE PROFESSOR:Well,no,you’d need to provide some analysis,too.But I was thinking—there’s a couple of local ballot questions this year,ya know,referenda that voters can either support or not support.MALE STUDENT:Right,there’s one on whether to ban smoking in restaurants,and another one,uh…I think it’s whether to spend tax dollars for a new sports arena in the city.FEMALE PROFESSOR:OK,here’s an idea…In regular elections,the vast majority of voters ignore referenda;they vote for their favorite candidates,but avoid ballot questions.We believe it’s because voters aren’t familiar with the questions or don’t understand them.But actively educating people on ballot questions right before they vote can improve referendum participation rates.MALE STUDENT:In that case,maybe we could have our straw-poll Web site provide information on the ballot questions,like how each proposal would affect students.FEMALE PROFESSOR:Exactly.And when you write your paper,you could compare the students’referendum voting rate to the general public’s,and include your own analysis of the results.Plus there’s plenty of published research on referendum voting behavior.MALE STUDENT:Thanks Professor Miller!I had no idea this straw poll could actually help me in my course work.题目1.Why does the man go to see the professor?A.To suggest an idea for his research projectB.To tell her about his election to student governmentC.To ask for her help on a political projectD.To discuss methods of gathering public opinion2.What is the professor's attitude toward her involvement in student government as an undergraduate?A.She is grateful that the experience helped inspire her career choice.B.She regrets that her involvement took time away from her studies.C.She wishes that she had been more active than she was.D.She is glad that her involvement enabled her to help other students.3.What is the student government's main reason for conducting a straw poll?A.To educate students on the candidates'positionsB.To remind students to vote in the upcoming electionC.To find out how students feel about the local referendaD.To get an idea of students'political preferences4.Why does the professor mention paper ballots?A.To show how a straw poll differs from an actual electionB.To stress the importance of keeping accurate recordsC.To indicate that conducting a poll may present challengesD.To suggest a way to improve communication between the student body and the student government5.Why does the professor discuss voting behavior on referenda?A.To encourage the man to vote on the local referendaB.To help the man develop a focus for his term paperC.To express her skepticism that voting behavior can be changedD.To let the man know about her current research project答案C AD C B译文旁白：请听一段学生和政治学教授之间的对话。

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托福TPO54听力Conversation1文本Title: Story TheaterListen to a conversation between a student and a professor of her theater class.Student: So, Professor Baker, about our next assignment you talked about in class.Professor: Yes, this time you’ll be in groups of three, each of you will have a chance to direct the other two in a short scene from a play you’ve chosen yourself.Student: Right, and, well, I’ve been reading about story theater, and…Professor: Ah, story theater, tell me about what you’ve read.[a1]Student: Well, it’s a form of theater where folk or fairy tales are acted out. It was…eh, introduced, by the director Paul Sills in the 1960s. In Sills’s approach, an actor both narrates, and acts out a tale. So, like someone will appear on stage, and then will start narrating a tale, about…say a king, and then the same person will immediately switch to and start acting out the role of the king, with no props or scenery.Professor: Sills, you know I actually saw his first story theater production in 1968, he did the fairy tale ‘the blue light’.Student: Really, so whatever gave him the idea to produce that?Professor: Well, as you know, back in the late 1960s, lots of people in the United States were disillusioned with thegovernment. Sills was grappling with how to produce theater that was relevant in such times. Then he happened to read ‘the b lue light’, and he realized that it had just the message he wanted.See, in the story, a man has lost all hope as a result of the unfortunate events in his life, completely turns his life around, with the help of a magical blue light. So，the blue light in the story symbolizes a way out of seemingly unsolvable human problems.[a2] And for Sills, that light symbolized an answer to the political turmoil in the US.[a3]Student: But weren’t you…um, audiences bother that the actors were performing on a bare stage?Professor: Well, story theater is a departure from traditional dramatic theater with its realistic elaborate props and scenery, but Sills could make us see, say a big tall mountain through the facial expressions and body movements of the actors, and they’re telling of the story.We were all swept up, energized by such an innovative approach to theater, even if one or two of the critics weren’t as enthusiastic.[a4]Student: Cool, so, anyway. What I really wanted to ask, I’d love to try doing story theater for my project instead of just a scene from a traditional play.[a5]Professor: Um, that’s possible. A short tale can be about the same length as a single thing. Which fairy tale would you do?Student: Actually, I was reading about another director of story theater，Rack Stevenson. You know, he produces plays based on folk tales as well. Maybe I could direct one of those.Professor: Okay, yes, Rack Stevenson. Now, Stevenson’s style’s story theater is a little different from Sills’s. He’ll use simple props, a chair will represent a mountain, but thesignificant difference is with the narrator. The narrator will play only that role. Let’s talk about why.[a6][a1]Q1 出题点1[a2]Q3 出题点[a3]Q2 出题点[a4]Q4 出题点[a5]Q1 出题点2[a6]Q5 出题点TPO54 Conversation1听力题目与解析1、Why does the student go to see the professor?A. To learn about the background of a director who was discussed in classB. To ask permission to use a specific type of theater for her class assignmentC. To discuss the symbolism in a play she wants to use for her assignment。

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托福TPO51听力Conversation1文本 标题：Biology Experiment Reproduction Listen to part of a conversation between a student and her biology professor. Professor： So, the assignment is to reproduce one of the animal camouflage experiments we read about in our textbook. Which experiment did you pick? Student: Well, I was wondering if I can try to reproduce an experiment that’s……kind of the opposite of what we discussed in the textbook? Professor: So instead of how and why an animal might hide itself, you want to do something about why an animal might want to be seen? Em? Tell me more. Student: Well, I got the idea from one of the journals you said we should look at. It’s an experiment about ah……they called them eyes bugs in the article? Professor: Eyes bugs, sure. The patterns on the wings of moths and butterflies that are generally believed to scare off predators because they look like big eyes? Student: Yeah. Except the article was about the experiment that disputes that theory. Professor: Well, we know that the markings do scare the birds but the idea that the spots looked like eyes is……well, that is just a commonly held belief. Student: So, that’s not even based on research? Professor: Well, this whole idea moths and butterfly markings being scary because they looked like eyes, rest on how we imagine the predators, like birds, perceive the markings. And we can never really know that. All we can do is observe bird behavior. But tell me more about the experiment. Student: Ok. It said the experiment looked at the shapes of the markings on moths’ wings. The researchers wanted to know if the markings that were round and eye-shaped were more effective in deterring predators than square and rectangular markings. Professor: Ok. Student: Yeah. So they attached food to paper models of moths with different shaped marks drawn on the wings to see how birds reacted. And what’s interesting is they realized the round marks were not more effective in scaring bird than other shapes. Professor: Were they less effective? Student: No, they were about the same. But what researchers did determine is that larger markings were more effective than smaller markings scaring off prey. They call this phenomenon “visual aliveness”. Professor: Visual aliveness. Um, well, I guess that it is not all that shocking if you think about it. Student: So anyway, is it ok? Can I repeat this experiment and write about it?。

托福听力tpo50section2对话讲座原文+题目+答案+译文Conversation2 (1)原文 (1)题目 (3)答案 (5)译文 (5)Lecture3 (7)原文 (7)题目 (9)答案 (11)译文 (11)Lecture4 (13)原文 (13)题目 (15)答案 (17)译文 (17)Conversation2原文NARRATOR:Listen to a conversation between a student and the head of building maintenance.FEMALE HEAD OF MAINTENANCE:Can I help you?MALE STUDENT:Yeah,I,uh—I’m taking summer classes right now,and they’ve put me in Roberts dormitory,over by the library.FEMALE HEAD OF MAINTENANCE:OK…?MALE STUDENT:And I guess they’re,uh…painting the library,or doing something to the outside of the building…FEMALE HEAD OF MAINTENANCE:Ah,yes,they are—they’re replacing the bricks on the outside walls.MALE STUDENT:Well,whatever it is,it’s,like,really disturbing for those of us with windows facing the library—they’re working on the wall right opposite us.I mean, dust is everywhere,coming in the windows...and the noise…Cause we’re like,what, ten feet away,and,uh—well,it’s just not a pretty picture.FEMALE HEAD OF MAINTENANCE:Right,well that’s why we waited until now to start work on it.I mean,most students have already left campus for summer vacation…MALE STUDENT:Yeah,but Roberts Hall is being used by all the summer students.FEMALE HEAD OF MAINTENANCE:Really?Housing didn’t notify us of that.MALE STUDENT:Yeah,it’s pretty full!I mean,I can’t sleep at night’cause of the smell,and the dust,and…you know,I’d love to just,like,close the windows,but you know,being summer and all…FEMALE HEAD OF MAINTENANCE:Yes,I know,there’s no air-conditioning in that building…MALE STUDENT:Right.So,I mean—we’ve got five more weeks of classes left,and we were really wondering how much longer they’re going to be working on that particular wall…’Cause maybe,if it’s going to be a while,do you think they could maybe work on a different side of the building for now?One that’s not facing people’s dorm rooms?And wait till the students are gone to come back and finish this side?I mean,that way the dust and noise won’t be coming directly into our windows, while we’re here.FEMALE HEAD OF MAINTENANCE:You know,I wish it weren’t being done this way.Itdoesn’t make sense.But this particular decision was made by a special committee, and their plan was finalized several months ago.Uh,they just didn’t realize there’d be students in Roberts Hall now.MALE STUDENT:Yeah.FEMALE HEAD OF MAINTENANCE:Plus,uh…well,the equipment is all set up,y’know,the scaffolding up on that side of the building—well,it just wouldn’t be practical to have the construction workers move everything to another side,and leave a whole side of the library all torn up like that.MALE STUDENT:I guess not…Isn’t there another dorm open?Anywhere?FEMALE HEAD OF MAINTENANCE:Not that I know—oh,wait!I overheard someone saying today that Manchester Hall isn’t being used by the City Summer Camp after all.Y’know,most years they house their participants in that dorm all summer.MALE STUDENT:Well,there’s an idea…FEMALE HEAD OF MAINTENANCE:Now it’s a smaller dorm,and it’s a little out of the way,but,uh…I-I bet they could move the affected students from Roberts Hall.MALE STUDENT:Well,I think a lot of people would definitely appreciate that.FEMALE HEAD OF MAINTENANCE:OK,well…well let me call the housing people,and then I’ll get back to you.Leave me your name and number,OK?I’ll let you know what I find out.MALE STUDENT:Great!Thanks.题目1.What problem is the student having?A.His dormitory is in need of repairs.B.He does not have summer housing.C.He is bothered by construction on campus.D.He is not able to use the university library.2.What does the student suggest that the construction workers do?A.Stop their project until summer classes are overB.Start their work later in the dayC.Work on a different buildingD.Work on a different part of the library3.What does the woman imply about the construction plans?[Click on2answers]A.They cannot be changed at this point.B.It is unfortunate that they were approved.C.They have been changed several times already.D.They were not approved until very recently.4.What does the woman imply about moving students to another dormitory?A.She does not think it is necessary.B.She will need to get permission from the housing office.C.Students will have to wait until the dormitory is available.D.Students should contact the housing office for permission.5.What does the student imply when he says this:Student:Well,whatever it is,it’s like……really disturbing,for those of us with windows facing the library.They are working on the wall right opposite.I mean,dust is everywhere coming in the windows,and,the noise,cos we are like……what,ten feet away.And……well,it is just not a pretty picture.A.The new library walls are not very attractive.B.The view from the student's window is blocked by the construction.C.The construction is causing damage to nearby buildings.D.The construction is frustrating for many students.答案C D AB B D译文旁白：请听一段学生和建筑维护主管之间的对话。

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托福TPO52独立口语Task1题目： Question: Most people believe that learning a second language is important. When do you think is the best time in a person’s life to learn a second language? Why? Use details and examples to support your answer. 1、答题要领： (1) Specifically tell the examiner the best time to learn a second language ina person’s life. (2) Ideally state 2 reasons why you believe is the best time. 2、观点提示： Children should star to learn a foreign language in their primary schools. (1) Human brain ability will decrease when they grow up. (2) They have nothing to worry about in this age, so they can concentrate on learning new things. (3) They have teachers to help them with the second language learning in primary schools. 3、模板： (1) I believe is the best time to learn a second language. (2) There are a couple of reasons to name. (3) First, (4) Second, ... 托福TPO52独立口语Task1满分范文： In my opinion, the best time for a person to learn a second language is at during his or her teenage timeyears. There are several possible reasons for this. For one thing, teenagers spend most of their time at school., Thiswhich makes gives them get a lot of time to study a second language and use logical thinking to help them see patterns in the language in through the guidance of language teachers. Teenagers are at the age when they should be studying and not working, so they can devote a lot of time to really studying the language and be focused on honing their skills. Moreover, teenagers have the passion to explore the world, including the language world, they are much eager to know everything and therefore are able to understand meanings more willingly and easily than children or adults.teenagers will have ample time to practice with their peers. The best way to learn a language is to live the language. When they are in class with their friends, they can speak as much as possible to really practice and become fluent in the language. 以上是给大家整理的托福TPO52口语Task1题目+满分范文，希望对你有所帮助!。

托福TPO52听力文本+音频下载+答案预览说明:预览图片所展示的格式为文档的源格式展示,下载源文件没有水印,内容可编辑和复制得听力者得天下，托福听力对于考生来说至关重要!如何攻克托福听力，除了要多听，托福TPO听力也是托儿必刷的真题.今天，小编给大家带来了托福TPO52听力文本+音频下载+答案。

TPO52 玛雅文明Maya CivilizationListen to part of a lecture in an archeology class. The professor has beendiscussing ancient Mayan civilization.Professor: Now, as you remember from your reading, the Maya were an ancientcivilization which occupied in area corresponding to parts of modern-day Mexicoand Central America. Early Mayan settlements date back over 3,000 years and sayfrom about 600 to 900 C.E. The civilization was in what’s considered a goldenage of cultural achievement, what we call the Classic period.The period after this, after the Classic Period, is called the Postclassicperiod. Now it’s long been thought that during the PostClassic period, Mayancivilization was in decline. But we’re continuing to find new evidence that incertain areas Mayan civilization flourished right up to the end of thePostclassic period, what we refer to as the late Postclassic period. The latePostclassic corresponds to the period from the 1200s to 1500s, right until thearrival of the Spanish in the mid-1500s. A good example of a site whichcontinued to flourishthrough the late Postclassic is the inland Mayan communityof Lamanai, located in what is today the country of Belize in Central America.Now, Lamanai is one of the largest and most prominent archeological sites inBelize. It was occupied for over 3000 years. That makes it the longestcontinually-occupied site by the ancient Maya. Large-scale excavation at Lamanaibegan back in 1974 under the leadership of a Canadian archeologist. The firstexcavation there was on a building that dated back to the late Postclassic period. When the excavation began, we didn’t know much about Mayan life during that time. As I said, most people considered the Postclassic period as a time of decline that came after the so-called golden era. But during the first few years of excavation, the archeological team realized that Lamanai had continued to be an important center of classic Mayan culture, almost right up until the1500s.Student: So basically, what you are saying is while other Mayan cities were collapsing or had already collapsed, Lamanaiwas one of those places that was flourishing?Professor: Uh huh…exactly! In fact, the evidence shows that one of the greatest periods of construction in the city occurred during the Postclassic. That’s definitely not what was happening at neighboring sites during that time. And consider this, archeologists found ceramic artifacts from Lamanai’s late Postclassic period at a recently-discovered site on an island off the coast of Belize. And in Lamanai they found objects that had been imported from parts of the region which correspond to modern-day Mexico during the late Postclassic. What did those finds tell us?Female student: eh…the trade was still going on? So you probably still find the same Mayan social structure and economic practices, right?Professor: Yes. Now, these researchers and subsequent research teams havebeen helping us see a bigger picture. We now know that there was still a widespread trading network up and down a long portion of the coast of what is modern-day Mexico and Central America for more than two centuries after the。