考试卷A

__南华大学____ 大 学 考 试 卷（ A 卷参考答案）课程名称 大学物理A1 考试学期2019春季得分适用专业理工科考试形式闭卷考试时间长度 100分钟（开卷、半开卷请在此写明考试可带哪些资料）大题号 一 二 三 总 分 签 名 得 分得分阅卷人 一、单项选择题（每小题3分，共30分）注意：选择题答案一定填写在下述方框内对应的题号下，否则不予计分 题号 1 2 3 4 5 6 7 8 9 10 答案BBADBBDCDB1．一质点在平面上运动，已知质点位置矢量的表示式为j bt i at r 22+=（其中a 、b 为常量）, 则该质点作 （ ）(A) 匀速直线运动． (B) 变速直线运动． (C) 抛物线运动． (D)一般曲线运动． 2．在相对地面静止的坐标系内，A 、B 二船都以2 m/s 速率匀速行驶，A 船沿x 轴正向，B 船沿y 轴正向．今在A 船上设置与静止坐标系方向相同的坐标系(x 、y 方向单位矢用i、j表示)，那么在A 船上的坐标系中，B 船的速度（以m/s 为单位）为 （ ） (A) 2i＋2j．(B) -2i ＋2j．(C) －2i －2j ． (D) 2i －2j．3、有一半径为R 的水平圆转台，可绕通过其中心的竖直固定光滑轴转动，转动惯量为J ，开始时转台以匀角速度ω0转动，此时有一质量为m 的人站在转台中心，随后人沿半径向外跑去，当人到达转台边缘时，转台的角速度为(A)02ωmRJ J+ (B) 02)(ωR m J J + (C)02ωmRJ(D) 0ω 4、如图所示，任一闭合曲面S 内有一点电荷q ，O 为S 面上任一点，若将q 由闭合曲面内的P 点移到T 点，且OP=OT ，那么 ( ) ()A 穿过S 面的电通量改变，O 点的场强大小不变； ()B 穿过S 面的电通量改变，O 点的场强大小改变； ()C 穿过S 面的电通量不变，O 点的场强大小改变；()D 穿过S 面的电通量不变，O 点的场强大小不变。

2024年III类辐射考试A卷试题及答案本题库适用于 X 射线探伤领域辐射工作人员，基础知识、法律法规、专业实务。

题库内容（1.电离辐射安全与防护基础 2.核技术利用辐射安全法律法规 3.专业实务）考核内容：基础知识占比 30%、法律法规知识占比30%、专业实务占比 40 %。

考核标准：满分120分，90分合格。

1.对于一切可以增加辐射照射的人类活动（或称作实践），电离辐射防护基本原则是（）。

[单选题] *A、实践的正当性、辐射防护最优化、个人剂量限值(正确答案)B、时间、距离、屏蔽C、同时设计、同时施工、同时投入使用D、采取屏蔽措施、进行剂量监测、加强行政管理2.发生辐射事故或者运行故障的单位，应当按照（）的要求，制定事故或者故障处置实施方案，并在当地人民政府和辐射安全许可证发证机关的监督、指导下实施具体处置工作。

[单选题] *A、应急计划B、应急预案(正确答案)C、单位主要领导D、上级主管部门3.任务相关的监测，需要配带的监测仪器为（）。

[单选题] *A、个人剂量计B、个人剂量计、直读式剂量计C、个人剂量计、剂量率仪D、个人剂量计、直读式剂量计、个人剂量报警仪(正确答案)4.外照射个人剂量常规监测周期一般为 1 个月，最长不得超过（）。

[单选题] *A、2 个月B、3 个月(正确答案)C、半年D、1 年5. 下列表述最符合工作场所监测的目的是（）。

[单选题] *A、为公众受照剂量评价提供资料B、满足公众的知情权C、检验工作场所是否符合辐射防护标准(正确答案)D、为了应付管理部门的检查6. 将需要和可能需要（）的区域定为控制区。

[单选题] *A、专门防护手段或安全措施(正确答案)B、防护手段C、安全措施D、人为控制7. 为便于辐射防护管理和职业照射控制，现行的基本安全标准是（）。

[单选题] *A、GB18871-2002(正确答案)B、GB18877-2012C、GB18883-2002D、GB18285-20188. 对于相同厚度的下列材料，哪种材料对高能 X 射线的屏蔽效果最好（）。

2024年英语a级考试卷Part I. Listening Comprehension (20%)Section A: Short Conversations (10%)Directions: In this section, you will hear 5 short conversations. At the end of each conversation, a question will be asked about what was said. Both the conversation and the question will be spoken only once. After each question, there will be a pause. During the pause, you must read the four choices marked A), B), C) and D), and decide which is the best answer.1. M: I'm so tired. I've been working on this project all day.W: Why don't you take a break? You've been at it for hours.Q: What does the woman suggest the man do?A) Keep working.B) Finish the project quickly.C) Take a break.D) Start a new project.2. W: Do you like this dress? I'm not sure if it suits me.M: It looks great on you. The color really brings out your eyes.Q: What does the man think of the dress?A) It doesn't look good.B) The color is not nice.C) It suits the woman well.D) It is too expensive.3. M: How much is this book?W: It's 20. But if you have a membership card, you can get a 20% discount.Q: How much will the man pay if he has a membership card?A) 16.B) 18.C) 20.D) 24.4. W: Are you going to the concert tonight?M: I'd love to, but I have to study for my exam tomorrow.Q: Why isn't the man going to the concert?A) He doesn't like the concert.B) He has no money.C) He has to study.D) He is sick.5. M: What time does the library close today?W: It usually closes at 9 p.m., but on Fridays it closes an hour earlier.Q: What time does the library close on Fridays?A) 8 p.m.B) 9 p.m.C) 10 p.m.D) 7 p.m.Section B: Long Conversations (5%)Directions: In this section, you will hear 2 long conversations. After each conversation, you will be asked some questions. The conversations will be read twice. Listen carefully and answer the questions.Conversation 1M: Hi, Jane. How was your weekend?W: It was great. I went to the beach with my friends.M: That sounds like fun. What did you do there?W: We swam, sunbathed, and had a picnic.M: Did you take any pictures?W: Of course. I took a lot of beautiful pictures.Questions:6. Where did Jane go on the weekend?A) To the mountains.B) To the park.C) To the beach.D) To the city center.7. What did Jane do at the beach?A) She only swam.B) She swam, sunbathed and had a picnic.C) She just sunbathed.D) She played volleyball.Conversation 2W: Good morning, sir. Can I help you?M: Yes, I'm looking for a gift for my daughter. She likes reading.W: Well, we have a lot of books here. What kind of books does she like?M: She likes novels, especially those about adventure.W: Then I recommend this one. It's a very popular adventure novel.M: Thank you. How much is it?W: It's 15.Questions:8. Who is the man buying a gift for?A) His wife.B) His daughter.C) His mother.D) His sister.9. What kind of books does the man's daughter like?A) Poetry.B) Science fiction.C) Novels about adventure.D) History books.10. How much is the book?A) 10.B) 15.C) 20.D) 25.Section C: Passages (5%)Directions: In this section, you will hear 1 passage. The passage will be read twice. Listen carefully and answer the questions.The Internet has become an important part of our daily lives. We can use it to get information, communicate with others, and do shopping. However, we should also be careful when using the Internet. There are some risks, such as identity theft and virus attacks. To protect ourselves, we should use strong passwords, not click on suspicious links, and install antivirus software.Questions:11. What can we use the Internet for?A) Only getting information.B) Getting information, communicating and shopping.C) Just shopping.D) Communicating and playing games.12. What are the risks of using the Internet?A) Identity theft and virus attacks.B) Only virus attacks.C) Losing money.D) Meeting bad people.13. How can we protect ourselves when using the Internet?A) Use weak passwords.B) Click on all links.C) Use strong passwords, not click on suspicious links and install antivirus software.D) Don't use antivirus software.Part II. Vocabulary and Structure (30%)Section A: Multiple Choice (20%)Directions: There are 20 incomplete sentences in this section. For each sentence there are four choices marked A), B), C) and D). Choose the one answer that best completes the sentence.14. She is very ______ in music and can play several instruments.A) interested.B) interesting.C) bored.D) boring.15. I can't find my keys. I ______ them in the office.A) must leave.B) must have left.C) should leave.D) should have left.16. The new bridge ______ next year will be the longest in the city.A) to be built.B) built.C) being built.D) having been built.17. If it ______ tomorrow, we will go for a picnic.A) doesn't rain.B) won't rain.C) not rain.D) didn't rain.18. He has made great ______ in his English study in the past few months.A) progress.B) progresses.C) a progress.D) the progress.19. I don't like this shirt. Can you show me ______ one?A) another.B) other.C) the other.D) others.20. She is so busy that she has ______ time for hobbies.A) little.B) a little.C) few.D) a few.21. The movie was so ______ that many people left the theater early.A) bored.B) boring.C) excited.D) exciting.22. He ______ his homework when his mother came home.A) was doing.B) is doing.C) does.D) did.23. We are looking forward to ______ from you soon.A) hear.B) hearing.C) be heard.D) have heard.24. There are ______ students in our class, twenty boys and twenty - five girls.A) forty - five.B) forty - four.C) forty - three.D) forty - six.25. She speaks English as ______ as her brother.A) good.B) well.C) better.D) best.26. The book ______ I bought yesterday is very interesting.A) who?B) which.C) where?D) when?27. I'm sorry I'm late. I was ______ in traffic.A) held up.B) held on.C) held out.D) held back.28. My parents ______ me to become a doctor when I was a child.A) hoped.B) wanted.C) expected.D) wished.29. He is old enough to ______ himself.A) look after.B) look for.C) look up.D) look into.30. ______ of the two boys is taller.A) All.B) Both.C) None.D) Neither.31. The teacher told us ______ noise in class.A) not make.B) not to make.C) don't make.D) to not make.32. She ______ a lot of money on clothes every month.A) spends.B) costs.C) takes.D) pays.33. I have ______ been to Paris. I really want to go there.A) never.B) ever.C) already.D) just.Section B: Fill in the Blanks (10%)Directions: There are 10 blanks in the following passage. For each blank there are four choices marked A), B), C) and D). Choose the best one to fill in each blank.Most people like traveling. Some people like to travel by plane, while others prefer to travel by train. Traveling by train has many advantages. First of all, it is much _34_ (cheaper/safer/faster/more expensive) than traveling by plane. You can save a lot of money. Secondly, you can enjoy the beautiful _35_ (scenery/people/cities/airports) along the way. You can see mountains, rivers, and fields. Thirdly, traveling by train is more _36_ (comfortable/uncomfortable/dangerous/boring). You can walk around, stretch your legs, and even have a meal in the dining car.However, traveling by train also has some _37_(advantages/disadvantages/benefits/pleasures). For example, it usually takes a longer time to reach your destination. And sometimes the trains can be very _38_ (crowded/empty/quiet/clean), especially during the peak travel season.In conclusion, whether you choose to travel by train or by plane depends on your _39_ (money/time/needs/health) and preferences. If you want to save money and enjoy the journey, traveling by train is a good _40_ (idea/way/choice/plan). But if you are in a hurry and don't mind spending more money, traveling by plane may be a better _41_(option/answer/solution/result).When you are traveling, it is important to _42_(prepare/forget/ignore/neglect) well in advance. You should book your tickets early, pack your bags properly, and make sure you have all the necessary _43_ (things/items/objects/stuff) with you.Part III. Reading Comprehension (30%)Section A: Multiple - choice Questions (20%)Directions: There are 2 passages in this section. Each passage is followed by some questions or unfinished statements. For each of them there are four choices marked A), B), C) and D). You should decide on the best choice.Passage 1.The mobile phone has become an essential part of our lives. We use it to communicate with others, get information, and even do business. Mobile phones are getting more and more advanced. They have larger screens, better cameras, and faster processors.However, there are also some problems associated with mobile phones. One problem is that people are spending too much time on their mobile phones. This can lead to a lack of face - to - face communication andsocial isolation. Another problem is that mobile phones can be a distraction, especially when people are driving or studying.To solve these problems, we should use mobile phones in moderation. We should also set aside some time for face - to - face communication and other activities.44. What can we use mobile phones for?A) Only communicating.B) Communicating, getting information and doing business.C) Just getting information.D) Doing business and playing games.45. What are the problems of mobile phones?A) People spend too much time on them and they can be a distraction.B) They are too expensive.C) They have small screens.D) They are difficult to use.46. How can we solve the problems of mobile phones?A) Use them all the time.B) Use them in moderation and set aside time for other activities.C) Stop using them.D) Buy new ones.Passage 2.In recent years, more and more people are interested in learning a second language. There are many reasons for this. For one thing, learning a second language can open up new job opportunities. For another, it can help people understand different cultures.There are many ways to learn a second language. One way is to take language classes at a school or language center. Another way is to use language learning apps. These apps can be very convenient as you can learn at your own pace.However, learning a second language is not easy. It requires a lot of time and effort. You need to practice speaking, listening, reading and writing regularly.47. Why are more people interested in learning a second language?A) Because it is easy.B) Because it can open up new job opportunities and help understand different cultures.C) Because it is fashionable.D) Because they have nothing else to do.48. What are the ways to learn a second language?A) Only take language classes.B) Take language classes or use language learning apps.C) Only use language learning apps.D) Read books.49. What is required to learn a second language?A) A lot of time and effort, and regular practice of all skills.B) Only a little time.C) No effort.D) Just listening practice.Section B: True or False (10%)Directions: Read the following statements. Write "T" if the statementis True and "F" if the statement is False.50. Mobile phones have no negative effects. (F)51. Learning a second language is very easy. (F)52. Traveling by train is always faster than traveling by plane. (F)53. If you have a membership card, you can always get a discount when buying things. (F)54. People should use strong passwords to protect themselves when using the Internet. (T)Part IV. Writing (20%)Section A: Translation (10%)Directions: Translate the following sentences into English.1. 他昨天晚上熬夜看足球比赛了。

1《英语（一）》期末考试试卷【A卷】（学年第一学期）注意：1．本试卷共 3 页；2．考试时间: 90 分钟Section A (1×15=15分)Directions: Choose the appropriate letters A—D to complete the following statements.1. I knew a new classmate Ann today. She is _______ America.A. forB. inC. toD. from2. All of his friends came to the airport to______ him____ .A. send…downB. see…offC. send…downD. se e…awa y3. It is of _______for us to get everything read before the party.A. greatly importantB. great importantC. great importanceD. greatly importance4. S1: Can you spare some time for me next week?S2: ______________.A. I’m really very busy now.B. OK. What can I do for you?C. I usually go out seeing movies in my spare time.D. My family will go traveling this evening.5. Would you _____to join us for dessert and coffee?A mind B. please C. like D. care6. I would___ for daily necessities tomorrow. Will you go with me?A. go to shopB. make shoppingC. go shoppingD. buy7. Chinese people have a special way to celebrate the Mid-autumn _______. .A. HolidayB. VacationC. EventD. Festival8. Jack is _______ about stamp collecting. In fact, he is willing to give everything for a rare stamp.A. interestedB. illC. crazyD. sick9. Two hundred people are expected to _______ the meeting.A. attendB. haveC. takeD. go10. Please us at campuslife@ if you need detailed information.A. touchB. contactC. searchD. tell11. Will it be _________ for you to start work tomorrow.A. convenientB. convenienceC. convenientlyD. conveniences12. It is overclouding in the sky and it _____like rain.A. isB. seemsC. seemD. be13. Passengers to pay duty on overweighed luggage.A. requireB. requiredC. are requiredD. were required14. Supermarkets usually provide a(n) Lane for customers with a purchase less than 8 items.A. ExpressB. Hurry-upC. Speed-upD. Fast15. It is difficult for me to __________ the twins ________.A. tel l…fromB. tel l…apartC. tel l…betweenD. tel l…amongSection B (1×10=10分)Directions: Complete each statement with the proper form of the word given in the brackets.16. Jackie Chan is admired by millions as an excellent (act).17. He was about the same (high) as his wife.18. there are as many as 30 different (nation) in this school.19. Tom falls in love with the most (attract) girl in his class.20. Our house was built in a (tradition) Chinese style.21. Many animals have (good) hearing than we do.22. Coin (collect) is one of Jim’s hobbies.23. Sam used to (keep) a pet ,when he was young.24. It’s my pleasure to (introduction) tonight’s speakers.25. He is a very (talk ) child.Part II Reading ComprehensionTask1 (2×5=10分)Directions: Read the passage and choose the appropriate letters A—D to answer each question.Perhaps the best way to think about making friends is to decide what makes a friend. I asked a group of 13 year old boys and girls to come up with a list of what they liked about their friends. They said that good friends: show an interest in what people dogo around with a pleasant expression on their facelaugh at people’s jokesare kindoffer to help others with work or carry thingsinvite people to do somethingare good at thinking of something interesting to doare willing to shareare humorous and tell jokesare fair26. According to the author, what is the best way to make friends?A) The best way is to talk to everyone.B) The best way is to do everything to make the person happy.C) The best way is to think everyone is good.D) The best way is to know what a good friend is.27. How did the author get the list?A) He thought it out.B) He copied it from a book.C) He summed up the ideas of a group of children.D) He made friends with a group of children.28. How many good qualities should a good friend have?A) 6. B) 7. C) 9. D) 10.29. Which of the following is NOT true?A) A good friend should have a sense of humor.B) A good friend should be able to tell jokes and enjoy others’ jokes.C) A good friend should always keep from getting into groups.D) A good friend should enjoy sharing things with others.30. Which of the following is the best title for this passage?A) What Makes a Good FriendB) The Best Way to Make FriendsC) The Results of a SurveyD) How to Make FriendsTask 2 (2×5=10分)Directions: Read the passage and choose the appropriate letters A—D to answer each question.Banks safeguard money and valuables and provide loans, credit, and payment services, such as checking accounts, money orders, and cashier’s checks. Banks may also offer investment and insurance products, which they were once prohibited from selling.As many models for cooperation and integration among finance industries have appeared, some of the traditional differences between banks, insurance companies, and securities firms have disappeared. In spite of these changes, banks continue to maintain and perform their primary role—accepting deposits and lending funds from these deposits.Commercial banks, which dominate the bank industry, offer a full range of services for individuals, businesses, and governments.31. What is the first paragraph mainly about?A. It introduces the types of banks.B. It introduces the functions of banks.C. It explains the traditional functions of banks.D. It discusses the business of banks.32. What are the traditional functions of a bank?A. It safeguards money and valuables.B. It provides loans, credit, and payment services.C. It safeguards money and valuables and provides loans, credit, and payment services.D. It sells investment and insurance products.33. Which of the following statements is not true?A. Banks also play the role of insurance companies.B. Banks safeguard money and valuables like securities firms do.C. Insurance companies cannot play the role of banks.D. The primary functions of banks will always be there. 34. What is the basic role of banks?A. Accept customer’s deposits.B. Back individuals or firms by lending funds.C. Provide firms with investments.D. Accept customer’s deposits and invest the deposits as funds.35. Which of the following is the best title for this passage?A. Nature of Bank IndustryB. Types of BanksC. Changes in Bank IndustryD. Functions of BanksTask 3 (1×5=5分)Directions: Read an ad. Fill in the blanks with Not More Than 3 words in the table below.Shaw’s SupermarketEarn up to $100 from your Shaw’s Osco Pharmacy.Click here for more information.Click here for new dinner ideas from Shaw’s and Swift Premium.Fresh Meal Solutions for Your Family!Click here for detailsAt Shaw’s, we offer you all the attention you could ever want, both online and in your neighborhood store.From pharmacy prescriptions to our in-store CoinStar service. From photo processing to great gift ideas like Gift Cards, prepaid calling cards and cellular programs. From Shaw’s.Task 4 (1×10=10分)Directions: Choose the appropriate letters A—Q to translate the Chinese expressions in the table. A………………………………………………golf course B………………………………………………swimming pool C………………………………………………invitation D…………………………………………credit card E………………………………………………online bank F………………………………………………a deposit form G………………………………………………get-together H………………………………………………going-away party I………………………………………………..family album23J ………………………………………………..instant message service K ………………………………………………withdraw L ………………………………………………check-out desk M ………………………………………………post card N ………………………………………………cashO ………………………………………………international campus P ………………………………………………celebration Q ………………………………………………great grandparentsTask 5 (1×5=5分)Directions: Read the invitation card and answer the questions.46. Whose birthday is it?It is . 47. How old is she going to be?She is going to be . 48. When is her birthday?It ’s on . 49. Where is the party going to be ?I t’s going to be held at . 50. What kind of card is it?It is .Part III TranslationDirections: Each of the four sentences (NO. 51 to NO. 54) is followed by four choices of suggested translationmarked A, B, C and D. Make the best choice and put the paragraph (No.65) into Chinese. (51－54:3×4=12分; 55: 8×1=12分)51. Chess must be one of the oldest games in the world. A. 象棋必须是世界上最古老的游戏之一。

《物理（一）》考试试卷（A）一、判断题（1'×20）1、合力一定大于分力。

（）2、重力的大小跟质量成正比。

（）3、摩擦力一定是阻碍物体运动的。

（）4、把一个力作用在有固定转动轴的物体上，这个力不一定有转动效果。

（）5、若速度大，加速度一定大。

（）6、加速度方向一定是运动方向。

（）7、加速度为零时速度一定为零。

（）8、伞兵开伞后从空中落下是自由落体。

（）9、把一张纸片捏成很小的纸团后，从手中落下可看成自由落体。

（）10、用力推小车就能使它由静止运动起来，小车没有保持住原来的静止状态，所以静止的小车没有惯性。

（）11、原来静止的物体不受力是不会动的，所以力是产生速度和维持速度的原因。

（）12、任何物体都有惯性。

（）13、受力体一定也是施力体。

（）14、马拉车时，由于马对车向前的拉力大小等于车对马向后的拉力的大小，二力平衡了，所以无论马用多大的力拉车都拉不动。

（）15、物体的速度越大表明物体所受的合外力越大。

（）16、手榴弹爆炸后，弹片会向同一方向飞出，因为动量守恒。

（）17、同一物体受到的合力越大，它的加速度一定越大。

（）18、弹簧秤和天平都是用来测物体的质量的。

（）19、功是标量。

（）20、质量相同的两个人都从一楼登上五楼，甲慢步，乙快步，两人上楼做的功相等，但是乙的功率大。

（）二、选择题（2'×20）1、物体在运动过程中，初位置速度和高度分别为v1、h1,末位置速度和高度分别为v2 、h2,如果机械能守恒，下列哪个表达式是正确的（）A、mgh1 + mgh2 = 1/2 mv12 + 1/2 mv22B、mgh1 －mgh 2= 1/2 m v22 －1/2 m v12C、mgh2 －mgh 1= 1/2 m v22－1/2 m v12D、mgh2 + 1/2 m v22 = mgh1 －1/2 mv122、从静止开始做匀加速直线运动的物体，第1s 内的位移是1m,则（）A、第1s 末速度是1m/sB、第1s 内平均速度是1m/sC、第1s 内加速度是1m/s2D、以上三种说法都不对3、几个共点力作用在同一物体上，使它处于平衡若其中一个力F 停止作用，则物体将（）A、改变运动状态，合力方向与F 相同B、改变运动状态，合力方向与F 相反C、改变运动状态，合力方向无法确定D、运动状态不变4、一块砖按照平放、侧放、立放三种不同位置摆放，最稳定的放法是（）A、平放B、侧放C、立放D、一样稳定5、作用于同一物体上的两个力分别为5.0N和20N，当改变两力之间的夹角时，其合力的大小也随之改变，合力大小变化的范围是（）A、5.0N至20NB、5.0N至25NC、15N至25ND、15N至20N6、下列物理量中都是矢量的为（）A、质量、重力B、力、速度C、长度、密度D、时间、密度7、有两个共点力，一个是40N，另一个为F，它们的合力是100N，则F 的大小可能是（）A、20NB、40NC、80ND、160N8、甲乙两物体以同一高度分别以初速度V甲和V乙水平抛出，且V甲>V乙落地时的水平距离x和下落所用时间为t （）A、X甲>X乙t甲>t乙B、X甲=X乙t甲=t乙C、X甲>X乙t甲=t乙D、X甲=X乙t甲>t乙9、下列哪一种说法是正确的（）A、“第3s内”的时间比“第2s内”要多1sB、位移的大小不一定跟路程相等C、位置跟时间对应D、路程跟时刻对应10、物体在一直线上运动，第1秒末、2秒末、3秒末、4秒末的速度分别是1.0、2.0、4.0、8.0m/s，这个物体的运动是（）A、匀速运动B、匀变速运动C、非匀变速运动D、以上三说都不正确11、甲物体速度由2.0m/s增加到10m/s，乙物体速度由6.0m/s增加到8.9m/s，这两个物体的加速度大小的关系是（）A、a甲>a乙B、a甲=a乙C、a甲<a乙D、无法比较12、判断下列说法错误的是（）A、受力体一定也是施力体B、人推车向前走时，人对车向前的推力大小等于车对人向后的推力大小C 、马拉车时，由于马对车向前拉力的大小等于车对马向后的拉力的大小，二力平衡，所以马永远拉不动车D 、地面上的马能前进，是因为马蹄向后蹬地面，从而获得向前的反作用力13、下列几种运动中，哪一种不是利用作用力和反作用力关系使物体获得动力的（ ）A 、人走路前进B 、在水中划船前进C 、人造卫星车太空中做环绕地球的飞行D 、喷气式飞机的飞行14、用弹簧秤拉着质量为1kg 的物体以1m/s 2的加速度向上运动和以1m/s 2的加速度向下运动时，弹簧秤的读数分别是（g 取10m/s 2）（ ）A 、10N ，1NB 、11N ，10NC 、11N ，9ND 、9N ，11N15、平射炮发射一枚炮弹的过程中（不计地面摩擦）下列哪种说法不正确（ ）A 、炮身的力量增大B 、炮弹动量增大C 、炮身和炮弹总动量不增大D 、炮身和炮弹的总动量增大16、相向运动的甲、乙两车相撞后又分开，但是一同沿甲原来的方向运动这一定是因为（ ）A 、甲车质量大于乙车质量B 、甲车速度大于乙车速度C 、甲车动量大于乙车动量D 、无法比较两车动量17、由牛顿第二定律可知，物体质量aFm ，对于m ，F ，a 三者关系，下列说法正确的是 （ ）A 、a 一定时，m 跟F 成正比B 、F 一定时，m 跟a 成反比C 、F 一定时，a 跟m 成反比D 、以上三种都正确 18、关于动能的说法正确的是（ ）A 、速度大的物体，动能一定大B 、质量大的物体，动能一定大C 、物体受到力越大，动能一定大D 、物体的动能与它受力无关19、一物体在水平面上运动，当速度由0增大到v 时，其动能的变化量与速度由v 增大到2v 时动能的变化之比为（ ）A、1:1B、1:2C、1:3D、1:420、运动员用100N的力，把质量为1.0kg的足球以16m/s的速度踢出，球在地面上滚动的距离是20m，求此运动员对球所做的力应为（）A、128JB、2000JC、1872JD、2128J三、计算题（10'×4）1、已知质量为0.10kg的物体在水平拉力的作用下，由静止开始沿水平面做匀加速直线运动，摩擦力f1的大小为0.20N，在4s内的位移S是0.80m，求：（1）水平拉力F的大小；（2）若使物体此后改为匀速运动，还需对它施加的阻力f2是多少？a2、质量10g，以8.0×102m/s的速度飞行的子弹，与质量60kg，以10m/s 的速度奔跑的运动员相比，哪一个动能大？3、一根弹簧的劲度系数为2x 103 N/m, 原长40cm. 要想使它产生200N的弹性拉力，弹簧应伸为多长？4、一拖拉机在耕地时匀速前进，120s 内前进240m ,拖拉机对犁的牵引力为2x104 N，求拖拉机耕地时的功率。

中信保诚人寿万能险考试题试卷A姓名：营业代码：所属总监：注：本卷题目共40题，每题2.5分一、单选题1、下列关于万能保险的最低保证利率，说法正确的是（D ）A、允许部分万能保险保单不提供最低保证利率B、最低保证利率可以小于零C、保险公司一般会承诺在整个保险期间内最低保证利率不变D、保险公司会约定最低保证利率的适用期限2、中信保诚「稳利人生」年金保险（万能型）的投保年龄为（ C ）A、18周岁至60周岁B、30天至60周岁C、7天至60周岁D、18周岁至55周岁3、万能保险与其他人身保险相比，具有很强的灵活性。

以下不属于万能险灵活性的是（C ）A、客户可以按照自己的需求灵活调整保险保额，适时配合人生各阶段的责任B、客户可以按照个人经济状况增减保费，自如掌握财务安排C、客户可以按照自己的需求随时终止保单或恢复保单，而无需办理任何手续D、客户可以按照个人经济状况随时部分提取合同下的保单账户值4、目前，公司万能保险产品为客户准备的投资账户共有（ B ）A、10个B、1个C、4个D、9个5、下列关于万能险的运作，正确的顺序是（ C ）1、保险费按比例扣除初始费用2、保险公司每月公布一次万能险账户的结算利率，并扣除保障费用和保单管理费3、保险公司设立单独的万能险账户，独立运作A、1-2-3B、1-2-3C、1-3-2D、1-3-26、客户王先生为自己购买了一份中信保诚「乐盈金生」年金保险（分红型）和「稳利人生」年金保险（万能型），乐盈金生中一般生存金和中档现金红利的收益转入到稳利人生年金保险账户，共15958元，则保险公司收取的初始费用约为（B ）A、478.74元B、160元C、7979元D、1595.8元7、我公司「稳利人生」年金保险（万能型）为客户提供身故保障，其保障期限是（ A ）A、100周岁前的身故保障B、55周岁前的身故保障C、65周岁前的身故保障D、终身身故保障8、中信保诚「稳利人生」年金保险（万能型）的追加保险费最低是（ C ）A、100元B、1000元C、10000元D、20000元9、某客户李先生投保了中信保诚「稳利人生」年金保险（万能型），其身故后，按收到申请人的理赔申请并完成资料审核当日所适用的结算利率结算的保单账户价值为10万元，则应给付其受益人（ B ）A、5万元B、10万元C、15万元D、25万元10、一个成年人投保中信保诚「稳利人生」年金保险（万能型），则趸缴保险费固定是（ B ）A、0元B、100元C、1000元D、10000元11、中信保诚「稳利人生」年金保险（万能型）（ A ）结算一次保单利息。

最新精选全文完整版（可编辑修改）《食品专业英语》考试试卷（A卷）一、指出下列前后缀或词汇含义（每小题1.5中译英：英译中：半- iso-两- poly-亚- mono-酵母菌的发酵bio-乙醇hydrogen bond化学防腐剂biocatalyst溶解度polar solvents脱水hydrocarbon果胶sugar and starch氧化spoilage二、选择题（每小题2分，共10分）1. Proteins are of great size, complexity, and diversityA. atomsB. moleculesC. protonD. ion2. The word is often paired with the word food because the two go gogether. They are interdependent, but not interchangeable.A. starchB. lipidC. nutritionD. sugar3. Esters of fatty acids with alcohols is .A. simple lipidsB. compound lipidsC. derived lipidsD. hydrocarbons4. are the “ building blocks” of proteins.A. peptidesB. amino acidC. enzymesD. lipid5. The fungi, consist of two major microorganisms, and yeasts.A. moldsB. bacteriaC. microbeD. cocci三、英译汉（每小题7分，共35分）1.Remember that catalysts increase the rate of a reaction, but are not themselves consumed or produced by the reaction. Also, they do not change the equilibrium constant (平衡常数)of a reaction.2. These are enzymes that catalyze the reduction or oxidation of a molecule. Remember that oxidation is the reverse（逆反应）ofreduction.3. The vitamins are divided into two general categories based on their solubility in either water or fat. The fat-soluble vitamins are vitamins A, D, E and K; the water -soluble vitamins include vitamin C and vitamin B.4. Each of these nutrients contains carbon, hydrogen, and oxygen, while protein also contains nitrogen, and it is the ratio of carbon to hydrogen to oxygen that determines the number of calories（热量）they provide.5. They are called essential nutrients because we cannot get along without them. We need them for energy, for building and maintaining body tissue, and for regulating body processes- the three essential functions of foods in the body.四、汉译英（共25分）1、化学添加剂可用于防止由微生物引起的食品腐败。

chengcheng算法分析考试试卷（A卷）课程名称算法分析编号题号一二三四总分得分评阅人一、填空题（每小题3分，共30分）1、一个算法的优劣可以用空间复杂度与时间复杂度来衡量。

2、这种不断回头寻找目标的方法称为回溯法。

3、直接或间接地调用自身的算法称为递归算法。

4、 记号在算法复杂性的表示法中表示紧致界。

5、由分治法产生的子问题往往是原问题较小模式，这就为使用递归技术提供了方便。

6、建立计算模型的目的是为了使问题的计算复杂性分析有一个共同的客观尺度。

7、下列各步骤的先后顺序是②③④①。

①调试程序②分析问题③设计算法④编写程序。

8、最优子结构性质的含义是问题最优解包含其子问题最优解。

9、贪心算法从初始阶段开始，每一个阶段总是作一个使局部最优的贪心选择。

10、拉斯维加斯算法找到的解一定是正确的。

二、选择题（每小题2分，共20分）1、哈夫曼编码可利用（ C ）算法实现。

A、分治策略B、动态规划法C、贪心法D、回溯法2、下列不是基本计算模型的是（ B ）。

A、RAMB、ROMC、RASPD、TM3、下列算法中通常以自顶向下的方式求解最优解的是（ C）。

A、分治法B、动态规划法C、贪心法D、回溯法chengcheng 4、在对问题的解空间树进行搜索的方法中,一个活结点有多次机会成为活结点的是( A )A、回溯法B、分支限界法C、回溯法和分支限界法D、动态规划5、秦始皇吞并六国使用的远交近攻，逐个击破的连横策略采用了以下哪种算法思想？ BA、递归；B、分治；C、迭代；D、模拟。

6、FIFO是（ A ）的一搜索方式。

A、分支界限法B、动态规划法C、贪心法D、回溯法7、投点法是（ B ）的一种。

A、分支界限算法B、概率算法C、贪心算法D、回溯算法8、若线性规划问题存在最优解，它一定不在（ C ）A．可行域的某个顶点上 B．可行域的某条边上 C．可行域内部 D．以上都不对9、在一般输入数据的程序里，输入多多少少会影响到算法的计算复杂度，为了消除这种影响可用（ B ）对输入进行预处理。

《教育统计与测量》期末考试试卷A一、单选题（每小题2分，共60分）1．学习教育统计与测量的意义在于它是( B )A．提高教学水平的重要手段 B．教育科学管理的重要手段C．提高逻辑思维能力的重要手段 D．认识个体心理特征的重要手段2．在统计分析图中，条形图通常用于描述( D )A．二元变量的观测数据 B．某种事物在时间序列上的变化趋势C．具有百分比结构的分类数据 D．离散性变量的统计事项3．组内常模可以分为( A )A．百分等级常模与标准分数常模 B．百分等级常模与年龄常模C．标准分数常模与年级常模 D．年龄常模与年级常模4．主观题的优点是( D )A．测验效率高 B．作答容易C．能有效控制阅卷者的评分误差 D．可以考察分析综合能力5．抽样时，总体比较大，所抽样本容量比较小，并且总体各部分元素之间的差异大于各部分元素之内的差异的情况下，应采用( D )A．随机抽样 B．分阶段抽样C．等距抽样 D．分层抽样6．测验全过程的标准化不包括( C )A．命题标准化 B．评分标准化 C．分数标准化 D．施测标准化7．标准差反映的是数据的( B )A．集中关系 B．离散关系 C．等距关系 D．倍数关系8.下列哪些学科与数理统计相交叉结合产生教育统计学（ B ）A.教育学、生理学B.教育学、心理学C.社会学、教育学D.生理学、心理学9.下列属于比率变量的是（ D ）A.人的血型B.五级记分制C.气温D.身高10.假设某小学生语文平时、期中、期末的成绩分别为95、80、86，平时、期中、期末权重按2∶3∶5分配，那么该生语文总平均成绩为（ B ）A.85B.86C.87D.8811.下列叙述正确的是（ B ）A.同一被试不同测验上的原始分数可以比较B.同一被试不同测验上的原始分数不可以比较C.不同年龄组间的离差智商值不可以比较D.同一被试不同测验上的标准分数不可以比较12.韦克斯勒智力测验属于（ B ）A.限时测验和典型作为测验B.限时测验和最高成就测验C.非限时测验和典型作为测验D.非限时测验和最高成就测验13.标准化成就测验是（ C ）A.形成性测验B.终结性测验C.既可以是标准参照成就测验也可以是常模参照成就测验D.既不是标准参照成就测验也不是常模参照成就测验14.原总体非正态，总体方差未知，且样本容量n≥30的平均数抽样分布为（ D ）A.F分布B.t分布C.χ2分布D.正态分布15.若要比较两个或两个以上独立总体方差差异显著性检验，应采用（ A ）A.F检验B.t检验C.χ2检验D.Z检验16.下列不属于数据的特点的是( B )A.离散性B.顺序性C.变异性D.规律性17.某小学一年级学生平均体重为25千克，标准差为3.7千克，平均身高为110厘米，标准差为6.2厘米，那么该小学一年级学生的体重差异程度与身高差异程度的关系是( B )A.体重差异程度小于身高差异程度B.体重差异程度大于身高差异程度C.体重差异程度等于身高差异程度D.体重差异程度与身高差异程度无法比较18.下列对误差的理解不正确的是( A )A.误差可以避免B.误差可以控制C.误差是客观存在的D.误差可以分为测量误差和抽样误差19.小概率事件是指( A )A.P<0.05B.P<0.1C.P>0.05D.P>0.120.在次数分布表中，若要用代数区间来表示“60~65”，恰当的是( B )A.[59.5，64.5]B.[59.5，64.5)C.(59.5，64.5]D.(59.5，64.5)21.对两独立总体大样本的平均数差异的显著性检验应采用( D )A.F检验B.t检验C.χ2检验D.Z检验22．把调查所获得的数据科学地加以整理、概括和表述的统计方法属于（ B ）A．推断统计 B．描述统计 C．应用统计 D．数理统计23．下列数据类型中，可以进行加、减、乘、除运算，并有绝对零点的是（ D ）A．称名变量数据 B．顺序变量数据C．等距变量数据 D．比率变量数据24．适合描述二元变量的观测数据的统计分析图是（ A ）A．散点图 B．线形图 C．条形图 D．圆形图25．右图显示，x与y两个变量之间（ D ）A．相关很高，是正相关B．相关很高，是负相关C．相关很低，是正相关D．相关很低，是负相关26．属于布卢姆认知领域中行为目标分类的是（ B ）A．记忆 B．领会 C．联想 D．迁移27．下列属于常模参照测验主要用途的是（ C ）A．说明学习者掌握教学内容的程度B．提供个体学习经历和已达水平的证明资料C．用于教育工作中的选拔与分流决策D．评价课堂教学与课程编制的有效性28．对两相关总体的平均数差异进行显著性检验，一般采用（ B ）A．F检验 B．t检验 C．2 检验 D．N-K检验29．采用方差分析法对样本人数分别为8、10、12的三组学生成绩进行显著性差异检验，则其组间自由度为（ A ）A．2 B．3 C．27 D．2930．在教育测量中，人们用标准分数来反映学生的能力高低，这种情形下所得到的测量结果属于（ C ）A．称名变量 B．顺序变量C．等距变量 D．比率变量二、问答题：（每小题8分，共24分）1、简述实验技能考核需要遵循的原则。