1、Unit 2 第二课时.单项填空1I didnt go to work yesterday because my car broke down.You _ mine. I wasnt using it then.Amight borrowBshould borrowCmust have borrowedDcould have borrowed答案：D 考查情态动词have done。句意：由于我的车坏了，昨天我没有去上班。你本来能够用我的车，当时我并不用车。事情发生在过去，could have done 本来能够做，暗含实际上没有做。must have done 一定做了某事。结合句意选 D。
2、2Sometimes his present job_ be boring, and he _ work for long hours a day.Acan; has to Bmay; canChas to; may Dought to; must答案：A 句意：有时他现在的工作有可能很没趣，并且他一天中还必须工作很长时间。can 表示事情一时的可能性；have to 必须，不得不。3We are given a special holiday, so we _ go to work tomorrow.Acant BmustntCneednt Dshouldnt答案：C 句意：我们有个特别的假
3、期，所以我们明天不必去上班。cant 不可能；mustnt 绝不可以； neednt 不必；shouldnt 不应该。结合句意选 C。4(2014银川高一检测)Sorry, Professor Smith. I didnt finish the paper yesterday.Oh, you _ have done it as yesterday was the deadline.Amust BmustntCshould Dshouldnt答案：C 答语句意：哦，你本该做完的，因为昨天就是最后期限。此处用 should have done 表示本该做某事而实际上未做。5What do you
4、think we can do for our aged parents?You _ do anything except to be with them and be yourself.Adont have to Boughtnt toCmustnt Dcant答案：A 句意：你认为我们能为我们年老的父母做什么？除了陪伴他们及顺其自然你不必做任何事。dont have to 不必；oughtnt to 不应该；mustnt 绝不可以；cant 不可能。结合句意选 A。6(2014长春高一检测)I didnt see her last night at the party.You _. But
5、 you came too late.Acould have Bcant haveCmust have Dought have答案：A 句意：我昨天晚上在聚会上没见到她。 你本能见到她的。但是你来得太晚了。此题考查 could have done，过去分词已省去。could have done 表示“过去本来可以做某事，但实际上没有做” 。7Must I return the book a week later?Oh, no.You _.Aoughtnt to BcantCwont Dneednt答案：D 句意：我必须一周后还这本书吗？ 哦，不，不必。must 的疑问句的否定回答用 needn
6、t 或 dont have to。8She looks unhappy._ anything have happened to her?Im not sure, but I guess something _ happened.AMay；must have BCan；may haveCMust; may DShould; might have答案：B 句意：她看起来不高兴。她可能出了什么事吗？我不确定，但我想可能出了什么事。can have done 可能做了某事，用于疑问句或否定句；may have done 可能做了某事，表示把握较小的推测，用于肯定句。9(2013辽宁高考)Harry i
7、s feeling uncomfortable.He _ too much at the party last night.Acould drink Bshould drink Cwould have drunk Dmust have drunk答案：D 考查情态动词的用法。句意： Harry 感到不舒服。他一定是在昨晚的聚会上喝了太多的酒。由第一句中的“uncomfortable”及第二句中的时间状语“last night”提示，此处强调对过去发生动作的推测。用 must have done。10(2013四川高考)Why are your eyes so red? You_have sle
8、pt well last night.Yeah, I stayed up late writing a report.Acant BmustntCneednt Dwont答案：A 考查情态动词的用法。句意： 你的眼为什么那么红？昨晚你肯定没睡好。是的，我熬夜写一篇报道了。A 项 cant have done 表示对过去的否定推测；B 项表示“禁止，不允许” ，不能用于对过去的推测；C 项 neednt have done 表示过去不需要做某事(但却做了)；D 项不能用于对过去的推测。由句中的“so red”及时间状语“last night”提示，此处强调对过去发生动作的否定推测。11(2010
9、天津，9)Mark _ have hurried. After driving at top speed, he arrived half an hour early.Aneednt BwouldntCmustnt Dcouldnt答案：A 考查情态动词。句意：迈克本来不必那么匆忙的。这么高速驾驶之后，他提前半个小时到达了。根据后面的语境，提前半个小时到达，说明 Mark 本来不必那么匆忙，所以用 neednt have done 结构，表示“本来不必做某事而实际上做了” 。12(2011全国卷，32)They _ have arrived at lunchtime but their fli
10、ght was delayed.Awill BcanCmust Dshould答案：D 考查虚拟语气的用法。句意为：他们本该午饭时到达，但他们的航班推迟了。will have done 将来可以完成； can have done 可能做过 吗？表示对过去行为的怀疑，用于疑问句；must have done 一定做过某事，表示对过去事情的肯定推测；should have done 本来应该做某事，而实际没做。but their flight was delayed 这样的结果，说明他们本来该到达却没有到达，因此选 D。13(2012湖南，21)Weve had a good start, but
11、 next, more work needs_ to achieve the final success.Abeing done BdoCto be done Dto do答案：C 考查情态动词的用法。 need 既可用作情态动词也可用作实义动词，在本句中用作实义动词故排除 B 项；need 后可接动名词的主动式表被动含义，若选 A 项，则需改为doing，need doingneed to be done, 故 C 项正确。14(2012新课标，30)I _ use a clock to wake me up because at six oclock each morning the tr
12、ain comes by my house.Acouldnt BmustntCshouldnt Dneednt答案：D 本题考查情态动词。句意：我没有必要用闹钟来叫醒自己因为每天早上六点火车从我家旁边经过。couldnt 意为“不能，不可能” ； mustnt 意为“不允许，禁止” ； shouldnt 意为“ 不应该” ； neednt 意为“不必” ，符合语境，故 D 项为正确选项。15(2010湖南，23)You _ buy a gift, but you can if you want to.Amust BmustntChave to Ddont have to答案：D 考查情态动词的
13、用法。句意：你没有必要买礼物，但如果你想买的话，你也可以买。dont have to 意为“没有必要” ，符合语境。故选 D。.根据句意，用适当的情态动词(can/ought to/need/must/have to)的适当形式填空1One _ cross the street against the red light.2His mother is ill, so he_ take care of her.3I have to stay at home preparing my lessons.But you _ . Tomorrow is Sunday.4Mikes father is i
14、ll, but you _ tell him, because he is to take an important examination.5It _ be that naughty boy crying outside.It _ be him, because he has gone to school.6 _ I finish the task right now?Yes, you_.7You were out enjoying yourself when you _ have been studying.8If you are busy now, you dont _ come wit
15、h us.答案：1.ought not to/mustnt 2.has to 3.neednt/ dont have to 4.mustnt 5.must；cant 6.Must；must 7ought to 8.have to.阅读理解APeople diet to look more attractive. Fish diet to avoid being beaten up, thrown out of their social group, and getting eaten as a result. That is the fascinating conclusion of the
16、latest research into fish behavior by a team of Australian scientists.The research team have discovered that subordinate fish voluntarily diet to avoid challenging their larger competitors. “In studying gobies we noticed that only the largest two individuals, a male and female, had breeding (繁殖) rig
17、hts within the group， ” explains Marian Wong. “All other group members are nonbreeding females, each being 510% smaller than its next largest competitor. We wanted to find out how they maintain this precise size separation.” The reason for the size difference was easy to see. Once a subordinate fish
18、 grows to within 510% of the size of its larger competitor, it causes a fight which usually ends in the smaller goby being driven away from the group. More often than not, the evicted fish is then eaten up.It appeared that the smaller fish were keeping themselves small in order to avoid challenging
19、the boss fish. Whether they did so voluntarily, by restraining how much they ate, was not clear. The research team decided to do an experiment. They tried to fatten up some of the subordinate gobies to see what happened. To their surprise, the gobies simply refused the extra food they were offered,
20、clearly preferring to remain small and avoid fights, over having a feast.The discovery challenges the traditional scientific view of how boss individuals keep their position in a group. Previously it was thought that large individuals simply used their weight and size to threaten their subordinates
21、and take more of the food for themselves, so keeping their competitors small.While the habits of gobies may seem a little mysterious, Dr. Wong explains that understanding the relationships between boss and subordinate animals is important to understanding how hierarchical (等级的) societies remain stab
22、le.The research has proved the fact that voluntary dieting is a habit far from exclusive to humans. “As yet, we lack a complete understanding of how widespread the voluntary reduction of food intake is in nature， ” the researchers comment. “Data on human dieting suggest that, while humans generally
23、diet to improve health or increase attractiveness, rarely does it improve longterm health and males regularly prefer females that are fatter than the females own ideal.”文章大意：大千世界，无奇不有。人节食是为了苗条，有魅力。鱼节食又是为何？作者从鱼类与人在节食问题上的对比，揭示出了一个令人深思的话题人类的节食真是发自内心的吗？其本质目的何在？1When a goby grows to within 510% of the si
24、ze of its larger competitor, it _.Afaces dangerBhas breeding rightsCeats its competitorDleaves the group itself答案：A 细节判断题。文章第三段指出：当稍小一些的鱼一旦长到它竞争者体积的510% 时，将引发战争。结果大多是小一点的刺鳍鱼被逐出群体，最终被吞食掉。2The underlined words “the evicted fish” in Paragraph 3 refer to _.Athe fish beaten upBthe fish found outCthe fish
25、 fattened upDthe fish driven away答案：D 词义猜测题。紧承前一句 .which usually ends in the smaller goby being driven away from the group 可知 the evicted fish 指的是被逐出群体的挑战失败者。3The experiment showed that the smaller fish _.Afought over a feastBwent on diet willinglyCpreferred some extra foodDchallenged the boss fish答
26、案：B 推理判断题。文章第四段结尾 the gobies simply refused the extra food they were offered, clearly preferring to remain small and avoid fights, over having a feast 说明刺鳍鱼的节食是自愿的。而第六段更指出小一点儿的刺鳍鱼节食对于维护鱼类社会稳定的重要性。4What is the text mainly about?AFish dieting and human dieting.BDieting and health.CHuman dieting.DFish
27、dieting.答案：D 主旨归纳题。文章主要论述了刺鳍鱼节食的问题。指出这一行为是它自愿的，一种目的在于维护它们的整体稳定的行为。B(2014宁波六校高一期中)In the UK, most children have their midday meal at school, but in many schools, parents can choose what their children eat. The children can have a school luncha hot, cooked meal; or they can take a packed lunch with th
28、em, which usually includes cold food like sandwiches.Often parents prepare lunches on_the_basis_of what their children want. Cathy, a mother of three children, told us, “My children have packed lunches, because they say they hate school dinners. I make 3 packed lunches every morning, so were like a
29、sandwich bar in our kitchen in the morning.”However, another mother, Susan, made her choice based on the nutritious value of the food. She said, “My daughter always has school dinners. I think she probably gets healthier food by having a cooked lunch at school than she would if I made sandwiches.”Bu
30、t how healthy are school dinners? Kaz, a father, wasnt impressed with them. “Fizzy (有泡沫的) drinks were offered and I think there were a lot of chips.”The question of how healthy school food is was brought to Jamie Oliver, who launched a campaign to improve childrens nutrition, after spending a year w
31、orking in a school kitchen. The TV series about the campaign won an award this week.He was horrified(惊恐的)at the junk food he saw being served, which included burgers, pizza and chips.He decided to ban the junk, and started cooking good stews(炖菜)and curries for the children instead.Jamie improved the
32、 school dinners in that particular school, and trained the dinner ladies to cook healthy food. Then he put pressure on the government to improve the standards of school food across the country. And it looks as if the changes have begun.文章大意：你讨厌学校提供的饮食吗？让我们看看英国学校的情况如何？5What would be the best title fo
33、r the passage?ASchool Dinners BHealthy FoodCDinners in the UK DResearch on Dinners答案：A 主旨大意题。全文讲述的是学校饮食的问题，所以 A 项符合。6The underlined phrase “on the basis of” in the second paragraph probably means“_”Aby comparison Baccording toCin spite of Dfor the good of答案：B 猜测词义题。所在句句意为 “通常父母会按照孩子的要求准备午饭” 。7We can
34、 learn from the passage that_.Ain Britain, all children have their lunch at schoolBCathys children like school dinnersCstews and curries are healthy food DJamie Oliver works in a school kitchen答案：C 细节理解题。由倒数第二段可知， Jamie 非常吃惊地发现学校提供汉堡包、比萨和薯条这些垃圾食品。他决定禁绝这些垃圾食品，用 stews 和 curries 来代替垃圾食品，所以不难看出 stews 和
35、curries 是健康的饮食。8Which of the following can be inferred from the passage?AThere are many schools in Britain.BSusan chooses food for her daughter according to its nutrition.CIn the past, the food provided by British schools was not healthy enough.DNone of the parents in Britain like school food.答案：C 推理判断题。由最后两段可推知，过去，英国学校提供的饮食是不健康的。
