应县一中高二年级期中考试 英语试题2018.10 时间：120分钟满分：150分命题人： 第I卷（三部分，共100分） 第一部分: 听力（共两节，满分20分） 第一节（共5小题；每小题1分，满分5分） 听下面5段对话。每段对话后有一个小题，从题中所给的A、B、C、三个选项中选出最佳答案，并标在试卷的相应位置。听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。 1. What does the woman advise the man to do? A. Learn to use a new camera. B. Take the camera back to the shop. C. Clean the camera when taking pictures. 2.Where will the woman probably live next year? A. In a rented room. B. In the dormitory. C. At home. 3. What does the man not like about the blue shirt? A. Its style. B. Its color. C. Its size. 4. Who paid 2, 330 dollars for a car? A. The woman. B. The man. C. Linda. 5. What time is it by the man's watch? A. 1 : 40. B. 1 : 30 C. 1 : 00. 第二节：（共15小题；每小题1分，满分15分） 听下面5段对话或独白。每段对话或独白后有几个小题，从题中所A、B、C、三个选项中选出最佳选项，并标在试卷的相应位置。听完每段对话或独白前后，你将有时间阅读各个小题，每小题5秒钟；听完后，各小题将给出5秒钟作答时间。每段对话或独白读两遍。听第6段材料，回答第6、7题 6. How much is a ticket? A. 2 pounds. B. 3 pounds. C. 5 pounds. 7. Why does the woman tell the man to get off the bus? A. They're at the last stop. B. They're at Woodford Green. C. The bus broke down. 听第7段材料，回答第8、9题 8. What did an Italian waiter teach the man to do? A. Say some words in Italian. B. Read Italian newspaper. C. Write in Italian. 9. Where did the man spend the last day? A. In a museum. B. In a garden. C. In his hotel. 听第8段材料，回答第10至12题。 10. How does the man feel now? A. Angry. B. Worried. C. Surprised. 11. What do we know about the man's brother? A. He is the only one making money in the family. B. He is taken as a poor worker by his boss. C. He is afraid that he will go to his ruin. 12. What will the woman do for the man? A. Ask her father to find a job for his brother. B. Ask her father to call the president of the factory.
高二英语上期中考试题 含答案 Document serial number【KKGB-LBS98YT-BS8CB-BSUT-BST108】
高中2019级期中考试英语试题（含答案） （2017年秋） 第一部分：听力（共两节，满分30分） 该部分分为第一、第二两节。注意：回答听力部分时，请先将答案标在试卷上。听力部分结束时，你将有两分钟的时间将你的答案转涂到客观题答题卡上。 第一节（共5小题；每小题分，满分分） 听下面5段对话。每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。 例：How much is the shirt A. ￡ B. ￡9.18 C. ￡ 答案是C。 1. What does the man want to do A. Take photos. B. Buy a camera. C. Help the woman. 2. What are the speakers talking about A. A noisy night B. Their life in town. C. A place of living. 3. Where is the man now A. On his way. B. In a restaurant. C. At home. 4. What will Celia do A. Find a player. B. Watch a game. C. Play basketball. 5. What day is it when the conversation takes place A. Saturday. B. Sunday. C. Monday. 第二节（共15小题；每小题分，满分分） 听下面5段对话或独白。每段对话或独白后有几个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。听每段对话或独白前，你将有时间阅读各个小题，每小题5秒钟；听完后，各小题将给出5秒钟的作答时间。每段对话或独白读两遍。 听下面一段对话，回答第6至7两个小题。 6. What is Sara going to do A. Buy John a gift B. Invite John to France C. Give John a surprise 7. What does the man think of Sara’s plan A. Funny. B. Exciting. C. Strange. 听下面一段圣诞，回答第8和第9两个小题 8. Why does Diana say sorry to Peter A. She has to give up her travel plan. B. She wants to visit another city. C. She needs to put off her test. 9. What does Diana want Peter to do A. Help her with her study. B. Take a book to her friend. C. Teach a geography lesson. 听下面一段对话，回答第10至第12三个小题。 10. Why does the man call the woman
云南省昆明市西山区省昆一中分校2020-2021学年九年级上学期9 月月考化学试题 一、单选题 (★) 1. 拉瓦锡通过实验得出：约占空气总体积1/5的气体是 A．N2B．CO2C．O2D．稀有气体 (★★) 2. 物质的下列用途主要利用其化学性质的是 A．液氧(支持燃烧) B．金属铜(制电线) C．活性炭（毒面具的吸附剂）D．不锈钢(做水壶) (★★) 3. 下列关于空气的说法正确的是（） A．二氧化碳是一种常见的空气污染物 B．按质量计算，空气中含有氮气约78%，氧气约21% C．空气质量级别越高，说明空气质量越好 D．食品包装袋中常通入氮气以防变质 (★★) 4. 对生活中下列现象的解释错误的是（） 现象解释 A 湿衣服在夏天比在冬天干得快温度升高，分子运动速率加快
B6000L氧气在加压下可装入容积 为40L的钢瓶中 气体分子间间隔大，易于压缩C酒香不怕巷子深分子在不断运动 D 自行车轮胎在阳光下暴晒而炸 裂 分子受热，体积变大 A．A B．B C．C D．D (★★) 5. 火星大气中95%是二氧化碳，其余为少量的氮气、氩气等，火星上温度极低，常年在-5℃～-90℃之间，还找到了有液态水存在的证据。如图分别是地球和火星的大气组成（体积分数）示意图。下列说法正确的是 A．地球和火星的大气中O2的体积分数相同 B．地球和火星的大气中都含有N2 C．地球和火星的大气中CO2的体积分数相同 D．火星大气中没有稀有气体，空气中有 (★★) 6. 下列实验操作正确的是 A．放入铁钉B．倾倒稀酸
C．滴加溶液 D．熄灭酒精灯 (★★) 7. 下列关于氧气的说法正确的是（） A．分离液态空气获得氧气是化学变化 B．植物的光合作用会消耗氧气 C．氧气的化学性质不活泼 D．液态氧可用作火箭助燃剂 (★) 8. 下列各组物质中全部都属于纯净物的是 A．冰水混合物、二氧化碳B．稀有气体、高锰酸钾 C．人呼出的气体、食盐水D．空气、液态氧 (★★) 9. 某气体既能用排水法收集，又能用向上排空气法收集，该气体所具备的物理性质应是( ) A．易溶于水，密度比空气大B．易溶于水，密度比空气小 C．难溶于水，密度比空气大D．难溶于水，密度比空气小 (★★★) 10. 在进行实验室制取和收集 O 2的过程中，有关做法不正确的是 A．选择装置①或②作为 O2的发生装置B．选择装置③或④作为O2的收集装置 C．装置④有气泡冒出时立即收集气体D．将装置①中的长颈漏斗下端管口插入液面以下
广东省佛山市南海一中2019届高二第一次月考 高二年级英语测试卷 第二部分阅读理解（共20小题；每小题 2 分，满分40分） 阅读下列短文，从每题所给的四个选项（A、B、C﹑D）中，选出最佳选项，并在答题卡上将该项涂黑。 I was never very neat, while my roommate Kate was extremely organized. Each of her objects had its place, but mine always hid somewhere. She even labeled (贴标签) everything. I always looked for everything. Over time, Kate got neater and I got messier. She would push my dirty War broke out one evening. Kate came into the room. Soon, I heard her screaming, “Take your shoes away!Why under my bed!”Deafened, I saw my shoes flying at me. I jumped to my feet and The room was filled with anger. We could not have stayed together for a single minute but for a phone call. Kate answered it. From her end of the conversation, I could tell right away her grandma was seriously ill. When she hung up, she quickly crawled (爬) under her covers, sobbing. Obviously, that was something she should not go through alone. All of a sudden, a warm feeling of sympathy rose up in my heart. Slowly, I collected the pencils, took back the books, made my bed, cleaned the socks and swept the floor, even on her side. I got so into my work that I even didn't notice Kate had sat up. She was watching, her tears dried and her expression one of disbelief. Then, she reached out her hands to Kate and I stayed roommates for the rest of the year. We didn't always agree, but we learned the key to living together: giving in, cleaning up and holding on. 21. What made Kate so angry one evening? A. She couldn't find her books. B. She heard the author shouting loud. C. She got the news that her grandma was ill. D. She saw the author's shoes beneath her bed. 22. The author tidied up the room most probably because ________. A. she was scared by Kate's anger B. she hated herself for being so messy C. she wanted to show her care D. she was asked by Kate to do so
高二英语必修（5）测试试题 注意事项： 1. 本试卷由选择题和非选择题两大部分组成。选择题包括第一部分和 第二部分；非选择题为第三部分。 2. 1—65题涂在答题卡上。A涂A; B涂B; C涂C; D涂D; E涂AB; F涂AC; G涂AD. 第一部分：英语知识运用（共四节，满分55分） 第一节：语音知识（共5小题；每小题1分，满分5分） 从每小题所给的A、B、C、D四个选项中，找出所给单词的正确读音，并在 答题卡上将该选项涂黑。 1. A. /???? B./???? C./ ???? D. /???? A.? B. ? C.? D. ? 2. contribute A./k?n tr?b?t/ B. /k?n tr?bj?:t/ C./k?n tr?b?t/ D./k ?n tr?bj?:t/ remind A.? B.?? C.? D.?? A./sep? B. ?r?t/ C./s?pr? D.??r?t/ 第二节：情景对话（共5小题；每小题1分，满分5分） 根据对话情景和内容，从对话后所给的选项中选出能填入每一个空白处的最 佳答案，并在答题卡上将该选项涂黑。 Jack: Hi, Frank Frank：Hi, Jack Jack：: 6___ Frank：Yes, I have some books to read, but I can do it later Jack：I want you to do me a favor. Frank：go ahead 7_________ Jack：Professor Smith is coming this afternoon, I am expected to meet him at the airport, but I have an important meeting to go to Frank：I can do it for you. 8 Jack：He’s about your age, in his early thirties. Tall and hand some Frank：9______ Jack：Oh, about three o’clock, He is taking flight number 231 from
昆一中2022届高二上学期12月月考-化学试卷 注意事项： 1.本考试分设试卷和答题纸。试卷包括两部分，第一部分为选择题，第二部分为主观大题。 2.试卷满分100分，考试时间90分钟。 3.试题作答必须填写在答题纸上相应区域，在试卷上作答无效。选择题答案请用2B铅笔规范填涂，主观题答案请用黑色碳素笔填写。 4.考试结束后，将答题卡交回。 可能用到的相对原子质量：H-1 C-12 N-14 O-16 一、选择题（每小题2分，共48分，每小题只有一个正确答案） 1.化学与生活密切相关，下列说法错误的是（） A.生产医用防护口罩的原料聚丙烯纤维属于有机高分子材料 B.甲醛和戊二醛可杀灭多种病原体，可用于空气、餐具的消毒 C.聚乳酸可用于制作免拆型手术缝合线 D.食品生产中添加适量苯甲酸钠可以防腐 2.下列物质既能使酸性高锰酸钾溶液褪色，又能使溴水褪色，还能和氢氧化钠反应的是（） A.乙酸 B.乙酸乙酯 C.CH2=CHCOOH D.苯 3.下列说法不正确的是（） A.麦芽糖及其水解产物均能发生银镜反应 B.石油和植物油都是混合物，且属于不同类的有机物 C.甲酸的性质与乙酸类似，都不能被酸性高锰酸钾溶液氧化 D.用甘氨酸(H2NCH2COOH)和丙氨酸(CH3CHNH2COOH)缩合最多可形成4种二肽 4.下列各组中的反应，属于同一类反应类型的是（） A.乙醇和乙酸制乙酸乙酯；苯的硝化反应 B.乙烷和氯气制氯乙烷；乙烯与氯化氢反应制氯乙烷 C.葡萄糖与新制氢氧化铜共热；蔗糖与稀硫酸共热 D.乙醇和氧气制乙醛；苯与液溴制溴苯 5.下列化合物中，既能与NaOH溶液反应又能与稀H2SO4反应的是（） A.B.C.CH3COONa D. 6.下列各项中正确的是（） A.中所有碳原子可能在同一平面上 B.的命名为2-甲基-1-丙醇 C.乙烯、聚氯乙烯和苯分子中均含有碳碳双键 D.C4H8属于烯烃的同分异构体共有4种（含顺反异构） 7.下列离子方程式书写正确的是（） A.将铜丝插入稀硝酸中：Cu+4H++2NO－3=Cu2++2NO2↑+H2O B.澄清石灰水与过量的小苏打溶液反应：Ca2++OH－+HCO－3=CaCO3↓+H2O C.乙酸乙酯与NaOH溶液共热：CH3COOCH2CH3+OH－CH3COO－+CH3CH2OH D.苯酚钠(C6H5ONa)溶液中通入少量CO2：2C6H5O－+CO2+H2O=2C6H5OH+CO2－3
福建省清流一中2014-2015学年高二上学期第二次阶段（期中）测试 英语试题 （考试时间：120分钟满分：150分） 第I卷(选择题共115分) 第一部分听力(共两节, 每小题1.5分，满分30分) 第一节听下面5段对话。每段对话后有一个小题, 从题中所给的A、B、C三个选项中选出最佳选项, 并标在试卷的相应位置。听完每段对话后, 你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。 1.Who will the man go traveling with? A.His friends. B.His workmates. C.His wife and children. 2.What would the man like to do tonight? A.Attend a meeting. B.Stay at home. C.Go to the cinema. 3.Where are the speakers? A.In Salt Lake City. B.In San Francisco. C.In New England. 4.What d id the woman’s mother do? A.A babysitter. B.A teacher. C.A lawyer. 5.What are the speakers doing? A.Saying goodbye to each other. B.Having a dinner party. C.Cooking at the man’s. 第二节听下面5段对话或独白。每段对话或独白后有几个小题, 从题中所给的A、B、C三个选项中选出最佳选项, 并标在试卷的相应位置。听每段对话或独白前, 你将有时间阅读各个小题, 每小题5秒钟；听完后, 各小题将给出5秒钟的作答时间。每段对话或独白读两遍。 听下面一段对话, 回答第6和第7两个小题。 6.What are the speakers talking about? A.The dressing. B.The fashion. C.The color. 7.What may the woman wear? A.Tight top. B.Purple jeans. C.Something comfortable. 听下面一段对话, 回答第8和第9两个小题。 8.Where does the conversation take place? A.At home. B.On the phone. C.At a computer lab. - 1 -
2016年春季学期高二英语周测试题（二） (本卷满分:150分考试时间：120分钟 ) 第I卷 第一部分听力（共两节，满分30分） 第一节(共5小题；每小题1.5分，满分7.5分) 请听下面5段对话，选出最佳选项。每段对话仅读一遍。 1. How does the man come here? A. By bus. B. By taxi. C. By car. 2. Why isn’t Helen present? A. She forgot to come. B. She changed her decision. C. She wasn’t invited. 3. What’s the probable relationship between the two speakers? A. Husband and wife. B. Mother and son. C. Doctor and patient. 4. What’s the man’s job? A. A shop assistant. B. A tailor. C. A salesman. 5. What does the man mean? A. He can’t go to the cinema. B. He can go to the cinema on Saturday morning. C. He can go to the cinema on Saturday evening. 第二节（共15小题；每小题1.5分，满分22.5分） 请听第6段材料，回答第6至7题。 6. When will the man go on holiday? A. In spring. B. In summer. C. In winter. 7. Where is the man going? A. Switzerland. B. Italy. C. Austria. 请听第7段材料，回答第8至10题。 8. What is the man? A. A businessman. B. A salesman. C. A scientist. 9. Where does this conversation most probably take place? A. On a train. B. On a bus. C. On a plane. 10. Why is the woman traveling? A. She is traveling on holiday. B. She is traveling on business. C. She is traveling to give some lectures. 请听第8段材料，回答第11至13题。 11. Why is the woman calling? A. To buy a table. B. To book a table. C. To serve lunch. 12. When does this restaurant stop serving lunch?
昆一中高一年级2019-2020下学期期中考(化学) 一、选择题（本题共21小题，在每小题给出的四个选项中，只有一项是符合题目要求的．） 1.判断下列说法，其中正确的组合是（） ①煤、石油、天然气是当今世界重要的化石能源 ②电力、风力、生物质能均是一次能源 ③化学变化中的能量变化主要是由化学键的变化引起的 ④吸热反应发生时一定要加热，放热反应发生时不需要加热 ⑤等质量的糖类在体内发生氧化还原反应和在体外燃烧均生成CO2和水时，放出的能量不可能相等 ⑥充电电池可以无限制地反复放电、充电 ⑦充电时的电池反应和放电时的电池反应为可逆反应 ⑧石油裂化、裂解为化学变化，而煤的气化和石油的分馏均为物理变化 A. ①②⑤⑦ B. ②③④⑥ C. ①③ D. ①③④⑧ 2.下列化学用语书写正确的是（） A. 氯原子的结构示意图： B. 作为相对原子质量测定标准的碳核素： C. 氯化镁的电子式： D. 用电子式表示氯化氢分子的形成过程：+ 3.下列说法正确的是 A. 用氨水可以鉴别MgCl2溶液和AlCl3溶液 B. 可以用澄清的石灰水鉴别SO2和CO2 C. SO2能使KMnO4溶液、溴水溶液褪色 D. 金属钠与CuSO4溶液反应能析出单质Cu 4.N A代表阿伏加德罗常数，下列说法正确的是 A. N A个SO3分子在标准状况下的体积为22.4L B. 2g氢气所含原子数为N A C. 在一定条件下，1mol N2和3mol H2充分反应转移的电子数为6N A D. 18gH2O所含质子数为10N A 5.下列离子方程式书写正确的是 A. 向Na2CO3 溶液中加入过量CH3COOH溶液：CO32- + 2H+ ＝ CO2↑+H2O
牡丹江一中2020-2021学年高二上学期开学测试 英语试题 第一节单项选择（共20小题，每小题1分，满分20分）。 1. The price of the beer ______ from 50 cents to $ 4 per liter during the summer seasons. A. ran B. separated C. ranged D. differed 2. —What’s that noise? — Oh, I forget to tell you. The new machine _________. A. was tested B. will be tested C. is being tested D. has been tested 3. You may use the room as you like _______ you clean it up afterwards. A. so far as B. so long as C. in case D. even if 4. —Don’t throw the cigarette about for the grass ___________ fire easily. —What should we do if it is___________ fire? A. sets; caught B. catches; caught C. catches; on D. sets; on 5. The girl, like many boys who often _____ sports, _____fond of sports. A. plays; are B. play; is C. play; are D. plays; is 6. ________ is no possibility _______ Bob can win the first prize in the match. A. There; that B. It; that C. There; whether D. It; whether 7. Can you describe the effect that taking part-time jobs has _________your study? A. to B. for C. in D. on 8. He was in hospital for six months. He felt as if he was ______ from the outside world. A. cut out B. cut off C. cut up D. cut through 9. The river beyond our school has become clear again as new measures are __________ to prevent it _________ any further. A. taken; polluting B. taking; being polluted C. taken; being polluted D. taking; to be polluted 10. She brought with her three friends, none of ________ I had ever met before. A. them B. who C. whom D. these 11. — What does the hydro-electric project of the Three Gorges Dam means? — It means ________ the danger of flooding. A.to bring an end of B. to bring an end to C.bringing an end of D. bringing an end to 12. All of us want to go to the park ______Bob. He had to look after his sick mother at home. A. except B. besides C. except for D. in addition to 13. Mr. Green, who is a member of Labour Party, has ________ Mr. Brown as President. A. taken place B. taken the place C. in place of D. replaced 14. Large quantities of food ______ to the refugees(灾民) in flood which _____ in An’hui Province this summer. A. was provided; took place B. was provided; took the place C. were provided; took place D. were provided; was taken place 15. The price of petrol has been _____ 20 percent since the beginning of this year. A. increased to B. risen by C. increased by D. risen to 16. Come ______. I want to tell you that she is _____ related to the case. A. close;close B. closely; close C. close; closely D. closely; closely 17. Only after they discussed it for hours_____ a decision. A. they reached B. did they reach C. they reach D. do they reach 18. Almost everyone is ______ bringing down the price of housing, because it’s too high. A. in favor of B. in charge of C. in honor of D. in search of 19. There were too many people _______ the matter. A. involving B. involving in C. involved D. involved in 20. –I saw Mary in the library yesterday. --You_____ her. She is still abroad. A. mustn't see B. can't have seen C. mustn't have seen D. couldn't see 第二节：阅读理解(共20小题；每小题2分，满分40分) A Are you looking to load up your e-reader with some new books to promote your career? Well,look no further. Here are four best sellers for you! The Boss of You by Lauren Bacon & Emira Mears This book is a goldmine for women looking to start their own business. As a freelance writer ( 自由撰稿人), I read it several times when I decided to begin a career. I’ve folded so many pages in this book, and found some sections especially helpful, like the ones on figuring out start-up costs, drawing up a budget, and the ways to market yourself. Suggested by Steph Auteri The Path from Motherhood to Career by Diane Lang
2012-2013学年第一学期林启恩纪念中学高二第三段考试题 英语（2013.1） 考试时间：120分钟分值：135分 注意事项： 1. 答卷前，考生务必用黑色字迹的钢笔或签字笔将自己的姓名、班级、座位号填写在答题 卡上。 2. 选择题每小题选出答案后，用2B 铅笔把答题卡上对应题目选项的答案信息点涂黑，如需 改动，用橡皮擦干净后，再选涂其他答案，答案不能答在试卷上。 3. 非选择题必须用黑色字迹钢笔或签字笔作答，答案必须写在答题卡各题目指定区域内相 应位置上；如需改动，先划掉原来的答案，然后再写上新的答案；不准使用铅笔和涂改液。不按以上要求作答的答案无效。 I.语言知识及应用 (共两节，满分45分) 第一节完形填空 (共15小题，每小题2分，满分30分) 阅读下面短文，掌握其大意，然后从1—15 各题所给的A、B、C和D项中，选出最佳选项，并在答题卡上将该项涂黑。 The basic meaning of “pet”is an animal we keep for emotional rather than economic reasons. A pet animal is __1__ as a companion, and we all need companions to keep us feeling happy. However, pets offer more than more companionship: they invite us to love and be loved. Many __2__ feel their pets understand them, for animals are __3__ to sense anger and sorrow. Often a cat or dog can comfort us at the time when human words don’t help. We feel loved, too, by the way pets __4__ us for a home, for food and drink. Dogs __5__, look up to their owners, which makes them feel important and needed. A pet can be something __6__ to each member of the family, another baby to the mother, a sister or brother to a(n) __7__ child, a grandchild to the elderly, but for all of us pets provide __8__ and companionship. It has even been suggested that tiny pets should be sent as companions to astronauts on spaceships, to help reduce the stress and __9__ of space flights. In this Plastic Age, when most of us live in large cities, pets are particularly important for __10__. A pet in the family keeps people in __11__ with the more natural animal world. Seeing
2021届昆一中高三联考卷第一期生物参考答案及评分标准 一、选择题 1．答案D 【解析】生物大分子包括核酸、蛋白质和多糖，A选项正确；淀粉是植物体内的储能物质、糖原是人和动物细胞的储能物质，B选项正确；蛋白质是构成细胞的重要物质，还能调节细胞代谢如胰岛素，C选项正确；细胞骨架是由蛋白质纤维组成的网架结构，纤维素是构成植物细胞壁的成分，D 选项错误。 2．答案B 【解析】某些无机盐进出细胞时通过的是离子通道，如神经细胞产生动作电位时Na+的内流，A选项错误；某些小分子物质如乙酰胆碱，是一种神经递质以胞吐方式运出突出前膜，B选项正确；细胞质壁分离过程中，因为失去水，细胞吸水能力逐渐增大，C选项错误；主动运输或协助扩散时被转运的物质都需要与载体蛋白结合，D选项错误。 3．答案C 【解析】内环境主要由血浆、组织液和淋巴组成，血浆蛋白属于内环境成分，A选项正确；内分泌腺分泌的激素先弥散到内环境中，通过体液运输，再作用于靶细胞，B选项正确；剧烈运动时产生乳酸发生在骨骼肌细胞内，C选项错误；溶菌酶是免疫活性物质，杀灭细菌可发生在内环境中，D 选项正确。 4．答案C 【解析】植物激素的合成既受基因的调控，又影响基因的表达，A选项正确；植物生长调节剂是人工合成的化学物质，植物体内一般没有分解它们的酶，故它们的作用效果更稳定，B选项正确；乙烯的主要生理作用是促进果实成熟，不能促进果实发育，番茄开花后传粉已完成，不能获得无籽果实，C选项错误；“探究NAA促进插条生根最适浓度”的预实验中，需设置空白对照，正式实验时已确定了最适浓度的范围，不需要设置空白对照组，D选项正确。 5．答案A 【解析】种群则是进化的基本单位，生物进化的实质是种群基因频率的改变，A选项正确；变异是不定向的，自然选择是定向的，生物进化与变异的方向有可能一致，B选项错误；生殖隔离是新物种形成的标志，物种的形成不一定要经过漫长的进化过程，如某些多倍体的形成C选项错误；共同
嘉兴市第一中学2012学年第二学期期中考试 高二英语试题卷 命题人: 俞秋燕审核人: 杨跃典 满分[100]分，时间[120]分钟2013年4月 第一部分：听力（共20小题；每小题0.5分，满分10分） 第一节：听下面5段对话。每段对话后有一个小题，从题中所给的A、B、C三个选项中选出最佳选项选项，并标在试题卷的相应位置。听完每段对话后，你都有10秒钟的时间来回答有关小题和阅读下一小题。每段对话仅读一遍。 1. What’s the weather like at the moment? A. Rainy. B. Sunny. C. Cloudy. 2. What’s the woman’s roommate like? A. She is patient. B. She is nice. C. She is tidy. 3. Why has John moved out? A. To be near the school. B. To live in a quiet place. C. To avoid trouble. 4. What is the man’s problem? A. He can not see the sign clearly. B. He has no ticket for the movie. C. He’s parked in the wrong place. 5. What musical instrument does Bob have? A. Drums. B. A guitar. C. A violin. 第二节：请听下面5段对话或独白。每段对话或独白后有几个小题，从题中所给的A、B、C三个选项中选出最佳选项，并标在试题卷的相应位置。听每段对话或独白前，你将有时间阅读各个小题，每小题5秒钟；听完后，各小题将给出5秒钟的作答时间。每段对话或独白读两遍。 听第6段材料，回答第6至7题。 6. What can we learn from the conversation? A. The woman has missed her flight. B. The plane will take off tonight. C. The airport is closed. 7. What does the woman want? A. A room for herself alone. B. A hotel close to the airport. C. A room with bright light. 听第7段材料，回答第8至9题。 8. What can we learn about the woman? A. She isn’t familiar with the Internet. B. She can’t afford a camera. C. She doesn’t like MA-205. 9. What is the man probably going to do next? A. Reduce the budget. B. Change the model. C. Order a camera. 听第8段材料，回答第10至12题。 10. What does the man show the woman? A. A magazine. B. Hair care products. C. A bottle of red wine. 11. How will the woman’s hair look? A. Long. B. Short. C. Shoulder-length. 12. Why doesn’t the woman want to change the color of her hair? A. She thinks it’s too expensive.