幻灯片 1必修 3 Units 1～2
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幻灯片 2话题之五——课外活动
三年5考
[2011四川]最近，某中学生英文报开设了“After-class Activities”的栏目，请你根据以下提示，为该栏目写一篇英文稿件，并鼓励同学们积极参加课外活动。1. 你校开展课外活动的情况；2. 你参加过的课外活动及给你带来的益处; 3. 为同学选择课外活动提出建议; 4. 为学校开展课外活动提出建议。注意：词数100左右。
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幻灯片 3After-class Activities
Nowadays, after-class activities are becoming more and more popular in high schools. In our school, there are various kinds of activities, for example, arts and sports. We enjoy them very much. Playing football and reading stories are my favorites which do me lots of good. Besides building my body and enriching my knowledge，they also free me from the heavy work of study.
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幻灯片 4 Here I have some suggestions. To students, you’d better choose the activities which interest you and suit you; to schools, they should organize more activities for students and leave students more time for activities by giving them less homework.
Dear friends, please actively take part in after-class activities, which will not only make your school life colourful, but also improve your learning.
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幻灯片 51. 本文话题内容切合高中学生生活实际，便于考生发挥。全文共分三段，内容符合试题要求，要点齐全。
①第一段介绍学校开展的课外活动情况以及自己所参加的课外活动及其好处。
②第二段介绍对学校和学生个人选择课外活动提出建议。
③第三段号召大家积极参与课外活动, 鼓励性强。
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幻灯片 62. 全文行文流畅，使用词汇恰当。
①高级词汇和短语：various, do sb. lots of good, enrich, free. . . from. . . , suit, colourful
②高级句型：not only. . . but also. . .
③语篇过渡语：for example, besides, here I have. . .
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幻灯片 7【佳作习得】句型转换
Taking part in after-class activities not only makes your school life colourful but also improves your learning.
Not only _______________________________________________
______________________________________________
does taking part in after-class activities make your
school life colourful but also improves your learning.
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幻灯片 8 要想把一篇文章写好，不仅要注意行文通顺与连贯、过渡与衔接等，还要对文章进行润色，尝试使用高级词汇和复杂句式，以增加文章的亮点，给阅卷者留下深刻的印象。
基础指导（五）——润色提升
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幻灯片 9 一、巧设开头和结尾
1. 开头
常见的开头方式有开门见山式、描述主题式、提供背景知识式、小故事引导式、提出问题式、设置悬念式、倒叙式和名言引入式等。
2. 结尾
结尾的方法有很多，如总结式、重复式、结论式、暗示式和求解式等。
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幻灯片 10 二、准确地道表达
1. 注意同义词的分辨
a little boy小男孩（有可爱之意）
a small boy小男孩（强调身材瘦小）
2. 恰当使用限定词
用词准确，从另一个角度来讲就是要使论述客观、适度，这就需要考生适当使用一些限定词，以避免观点的绝对化，从而提高说服力和可信度。
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幻灯片 11 3. 注意词语的习惯搭配
用词准确不仅要求考生掌握具体单词的含义，还要熟悉词语的习惯搭配，一定要避免受汉语影响而出现错误。
4. 避免口语化
高考作文一般应该使用较正式的书面文体，因此在写作时要避免使用口语化的词汇。
5. 避免赘言啰嗦
赘句是指用词不简练。表达某一思想，本来只需要一两个词，却用了冗长的词组或者从句，如repeat again, return back, still remain, very perfect 等。
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幻灯片 12 三、优化句式表达
1. 长短句互换
【典例】Lies do harm to those who are being told. Lies also do harm to those who tell them.
→ Lies do harm to not only those who are being told, but also those who tell them.
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幻灯片 13 2. 主动句和被动句互换
【典例】Now listening more to their children is paid more attention to by most parents, so they can understand them better.
→ Now most parents pay more attention to listening more to their children, so they can understand them better.
3. 强调句和倒装句适当运用
【典例】I met a friend of mine in the street yesterday.
→It was in the street that I met a friend of mine yesterday.
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幻灯片 14 4. 非谓语动词和从句的互换
非谓语动词的适当使用可以使句式表达在有限的空间内容纳更多的信息，使句子结构紧凑、逻辑严谨。
【典例】Because I was ill, I didn’t go to the party. The party was organized by my classmates yesterday.
→ Being ill, I didn’t go to the party organized by my classmates yesterday.
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幻灯片 15 5. 插入语的合理运用
一些连词、副词等可以放到句子中间充当语气较弱的插入语，如I guess, however, in a way, certainly, briefly, generally speaking, believe it or not, besides, to tell you the truth, to be honest, what’s more等，有时可以考虑几个插入语连用，这样语言就更地道了。
【典例】It is believed that the living costs are higher in cities.
Generally speaking, the living costs are higher in cities.
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幻灯片 16 6. 恰当使用警句格言
1）Where there is a will, there is a way. 有志者，事竟成。
2）Every coin has two sides. 凡事皆有好坏。
3）No pains, no gains. 不劳无获。
4）It’s never too late to learn. 活到老学到老。
5）Practice makes perfect. 熟能生巧。
6）One is never too old to learn. 学无止境。
7）Actions speak louder than words. 事实胜于雄辩。
8）Failure is the mother of success. 失败是成功之母。
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幻灯片 17Ⅰ. 按照要求改写下列句子
1. I realized the importance of English when I entered senior high school. (强调句)
__________________________________________________
____________________
2. We can live a happy life only by this means. (倒装)
_____________________________________
It was when I entered senior high school that I realized the
importance of English.
Only by this means can we live a happy life.
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幻灯片 183. He fell asleep. The lights were still on. (with结构)
___________________________
4. When I heard that, I was much moved. (非谓语动词)
______________________________
5. They carried out a survey among 260 students. (被动语态)
________________________________________
6. It was getting dark. And it began to rain. (插入语)
__________________________________________________
He fell asleep with the lights on.
Hearing that, I was much moved.
A survey was carried out among 260 students.
It was getting dark. What was worse, it began to rain.
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幻灯片 197. He worked very hard. He made great progress in his study. (改为复合句)
_____________________________________________________
8. He offered me a piece of advice that I should cheer up and start all over again. (what引导的主语从句)
_______________________________________________________
________________________
He worked so hard that he made great progress in his study.
What he offered me was a piece of advice that I should cheer up
and start all over again.
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幻灯片 20Ⅱ. 选择适当谚语填空
practice makes perfect, actions speak louder than words, seeing is believing, knowledge is power
1. Be honest with yourself by paying attention to your actions._____________________________, and they always tell the truth. What do your actions say about you?
Actions speak louder than words
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幻灯片 212. To improve our oral English, we should practise speaking English every day. As the saying goes,____________________.
3. Most non-fiction books offer information and knowledge, and _________________.
4. Why should anyone believe there is a God? After all, ______ __________, right?
practice makes perfect
knowledge is power
is believing
seeing
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幻灯片 22情态动词
情态动词是高考中必考的重点，主要集中在情态动词的基本用法和“情态动词+have done”结构。复习情态动词时应注意以下几点：1. can的基本用法；2. may/might的基本用法；
3. must的基本用法；4. shall的基本用法；5. will/would的基本用法；6. 情态动词+have done
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幻灯片 231. ［2011四川, 20］The police still haven’t found the lost child, but they’re doing all they _______.
A. can B. may C. must D. should
【解析】选A。考查情态动词。句意：警察还没有找到丢失的孩子，但是他们正在竭尽全力寻找。can 表示能力，句子后省略了do to find the lost child。may表示可能性。must必须，should应该。均不符合句意。
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幻灯片 242. ［2011全国卷Ⅰ, 32］They _______ have arrived at lunchtime but their flight was delayed.
A. will B. can C. must D. should
【解析】选D。考查情态动词。句意：他们本应该在午饭时到达的，但他们的航班被延误了。can表示对过去的事情推测时，常用于否定句或疑问句中；must have done一定做过某事；should have done本应该做某事，事实上没做；will have done是将来完成时，不表示推测。
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幻灯片 253. ［2011江西, 23］It _______ be the postman at the door. It’s only six o’clock.
A. mustn’t B. can’t
C. won’t D. needn’t
【解析】选B。考查情态动词的用法。句意：现在才六点，门外的不可能是邮递员。mustn’t表示禁止；can’t表示不可能； won’t表示将来不会；needn’t 表示不需要。根据句意应选B。
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幻灯片 264. ［2011辽宁, 21］If you _______ go, at least wait until the storm is over.
A. can B. may C. must D. will
【解析】选C。考查情态动词。句意：如果你非要走的话，至少等到暴风雨停了再走。can能，能够，强调的是能力；may可以；must非得，一定，符合句意；will将要。
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幻灯片 275. ［2011陕西, 24］—Will you read me a story, Mummy?
—OK. You _______ have one if you go to bed as soon as possible.
A. might B. must
C. could D. shall
【解析】选D。考查情态动词。句意：——妈妈，能给我讲个故事吗？——可以呀，如果你尽快上床睡觉你就会听到一个故事。句中shall表示许诺语气。might“也许，大概，可能”；must“必须；非得；偏偏”；could“能够”。
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幻灯片 286. ［2011上海，28］I _______ worry about my weekend—I always have my plans ready before it comes.
A. can’t B. mustn’t
C. daren’t D. needn’t
【解析】选D。考查情态动词。句意：我不必为周末忧虑——我总是在周末到来前准备好计划。can’t不能，表示没有能力做某事或劝别人不要做某事；mustn’t禁止，不可以，是命令式的，表示禁止或命令；daren’t不敢，表示主观上不敢做某事；needn’t不必，表示没有必要做某事。由句意和语境可知选D。
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幻灯片 297. ［2011江苏, 34］—I left my handbag on the train, but luckily someone gave it to a railway official.
—How unbelievable to get it back! I mean, someone _______ it.
A. will have stolen B. might have stolen
C. should have stolen D. must have stolen
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幻灯片 30【解析】选B。考查情态动词的用法。句意：——我把手提包
忘在火车上了，但幸运的是，有人把它交给了一位铁路官员。
——真是令人难以置信！我想，可能有人偷了呢。表示对过去
的可能性的判断，用might have done；A项表示将来完成时，
显然与句意不符合；C项表示过去应该做却没做的事；D项则表
示对过去的肯定推测。
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幻灯片 318. ［2011重庆, 25］—Why didn’t you come to Simon’s party last night?
—I wanted to , but my mom simply _______ not let me out so late at night.
A. could B. might C. would D. should
【解析】选 C。考查情态动词。句意：——你昨晚为什么没来参加西蒙的聚会？——我本来想去的，但是晚上这么晚我妈妈就是不让我出去。could“能够，可以”；might“可以，可能”；would“愿，要”；should“应该”。由语境可知是妈妈不愿意让“我”去，故选C。
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幻灯片 329. ［2011福建，25］—Shall I inform him of the change of the schedule right now?
—I am afraid you _______, in case he comes late for the meeting.
A. will B. must C. may D. can
【解析】选B。考查情态动词。句意: ——我现在要告诉他日程的改变吗？——恐怕你必须告诉他，以防他开会迟到。must表示“必须，一定”；will表示“意愿或习惯性动作”；may表示“可能性”；can表示“做某事的能力或客观存在的可能性”。由句意知选B。
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幻灯片 3310. ［2011北京, 24］—I don’t really like James. Why did you invite him?
—Don’t worry. He _______ come. He said he wasn’t certain what his plans were.
A. must not B. need not
C. would not D. might not
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幻灯片 34【解析】选D。考查情态动词。句意：——我不太喜欢詹姆斯，你为什么邀请他？——不用担心，他可能不来，他说过对他的计划他拿不准。must not表示“禁止”；need not表示“不必”；would not表示“不会”；might not表示“可能不”。由语境“. . . he wasn’t certain. . . ”可知选D。
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幻灯片 3511. ［2010全国卷Ⅰ，29］Just be patient. You _______ expect the world to change so soon.
A. can’t B. needn’t
C. may not D. will not
【解析】选A。考查情态动词。句意：要耐心。你不能期望世界会变化这么快。can’t在这里表示不许可，意为不能，不可。needn’t没有必要；may not可能不；will not将不会。根据句意，故选A。
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幻灯片 3612. ［2010安徽，32］Jack described his father, who _______ a brave boy many years ago, as a strong-willed man.
A. would be B. would have been
C. must be D. must have been
【解析】选D。句意：杰克描述他父亲是个意志坚强的人，多年前他父亲一定是个勇敢的男孩子。此处应是对过去动作或状态的推测。must have done 表示对过去的肯定的推测；would have done 表示对过去的虚拟。
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幻灯片 3713. ［2010北京，23］—Good morning. I’ve got an appointment with Miss Smith in the Personnel Department.
—Ah, good morning. You _______ be Mrs. Peters.
A. might B. must C. would D. can
【解析】选B。考查情态动词。句意：——早上好。我和人力资源部的史密斯小姐有预约。——啊，早上好。你一定是彼得斯夫人。根据语境双方应是事先约定好的，所以双方都明白对方的身份，故用must表肯定性推测“一定”。
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幻灯片 3814. ［2010湖南，23］You _______ buy a gift, but you can if you want to.
A. must B. mustn’t
C. have to D. don’t have to
【解析】选D。考查情态动词。句意：你不必买礼物，但如果你想买，也可以买的。选项B是“不准，禁止”之意，不符合语境意思。don’t have to do sth. =needn’t do sth. 没必要做某事。
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幻灯片 3915. ［2010陕西，23］—May I take this book out of the reading room?
—No, you _______. You read it in here.
A. mightn’t B. won’t
C. needn’t D. mustn’t
【解析】选D。考查情态动词。句意：——我可以把这本书带出阅览室吗？——不，千万不要。在这儿读吧。由句意可知此处表示强烈禁止，mustn’t千万别，不要，表禁止，所以选D项。mightn’t 表示“可能不”； won’t 表示“不愿意”；needn’t表示“没必要”。
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幻灯片 4016. ［2010四川，3］—_______ I take the book out?
—I’m afraid not.
A. Will B. May C. Must D. Need
【解析】选B。考查情态动词。句意：——我可以将这本书带出去吗？——恐怕不行。表请求可用情态动词can，may，could或might，故选项B正确。
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幻灯片 4117. ［2010天津，9］Mark _______ have hurried. After driving at top speed，he arrived half an hour early.
A. needn’t B. wouldn’t
C. mustn’t D. couldn’t
【解析】选A。考查情态动词。句意：马克没必要那么匆忙。他以最快速度开车，结果早到了半个小时。he arrived half an hour early为信息词，说明没必要那么匆忙。needn’t have done表示“做了本来不必去做的事”符合句意，所以选A。B项常用于虚拟语气中表示与过去事实相反的假设；must表示推测时，不用于否定句中；D项是本不可能却做了某事。
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幻灯片 4218. ［2009全国卷Ⅰ, 25］What do you mean, there are only ten tickets? There _______ be twelve.
A. should B. would C. will D. shall
【解析】选A。考查情态动词。句意：这儿只有10张票，你是什么意思？应该有12张票的。should表推测时暗含很大的可能，意为“应该会……”。would表意愿；will可能；shall在陈述句中表示说话者的允许、威胁、命令、规定等语气。
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幻灯片 43表1 常见的情态动词的基本用法
表示能力
He can play table tennis quite well.
表示理论上的可
能性，“有时候可
能会”
Even an experienced teacher can
make mistakes.
表示请求和允许
①You can have my seat. I’m going
now.
表示请求，口语中常用could代替can
②Could you give me a hand?
can/could
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幻灯片 44may/might
表示请求、允许、
许可，might比
may的语气更委婉
①You may use my dictionary.
②Might I have a look at your new
computer?
must
表示“必须；应该”
We must study hard and make
progress every day.
表示“偏要，硬要”
做某事
If you must smoke, please go out.
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幻灯片 45shall
用于第一、三人称的疑问句中，表示征求对方的意见
Shall I open the door?
用于第二、三人称的陈述句，表示说话人给对方的命令、警告、允诺或威胁；此外，当颁布法律、规定时也用shall
①You shall get an answer from me by tomorrow.
②He shall go first, whether he wants or not.
③This law shall come into effect on May 1st.
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幻灯片 46 should
表示劝告和建议，
作“应该”讲
You should learn from each other.
表示惊讶、意外等情绪，意为“万一”
I can’t bear that he should speak ill of me.
用在if条件句中,
表示可能性很小,
但也不是完全不
可能
If anyone should come, say I’m not
at home.
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幻灯片 47will/would
用于表示意志或意愿
I have told him again and again to stop smoking, but he will not listen.
表示“请求；建议”。用would比will委婉、客气些
Would you like some more coffee?
表示习惯:will可以
表示现在的习惯,
意为“总是;习惯
于”.表示过去的习
惯性动作用would
①She will sit for hours reading in
the afternoon.
②When he was young, he would
listen to music alone in his room.
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幻灯片 48will/would
表示事物的某种性质
和倾向
Wood will float on the water.
表示“需要；必要”，用于否定句、疑问句和条件从句中
—Need we make the test?
—No, we needn’t.
表示“敢；敢于”,主要
用于疑问句、否定句
和条件从句中,一般不
用于肯定句。I dare
say是习惯说法,意为
“我想,大概”
How dare you talk like that?
need
dare
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幻灯片 49ought to
表示义务，意为“应当”，语气比should强，表示不十分肯定或含蓄的推测，意为：“应是，应该”。
①Everyone ought to obey the traffic
regulations.
②He ought to be home by now.
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幻灯片 50表2 易混情态动词用法比较
can(could)/
be able to
can/could
be able to
can只有现在式和过去式,could表示一般能力。
I am starving to death. I can eat two bowls of rice.
有更多的形式,was/were able to表示通过努力、克服困难做成某事。
The fire spread through the hotel very quickly but everyone was able to get out.
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幻灯片 51must/have
to
must
have to
侧重表示说话人的主观看法；只有一种形式。
We must rely on ourselves.
表示客观需要，有不同的形式
I have to give it up because of my illness.
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幻灯片 52would/
used to
would
used to
表示过去习惯性或重复性的动作，没有与现在对比的含义，不可用于无人称句或存在句。
Last year, our English
teacher would
sometimes tell stories
after class.
表示过去经常发生的动作或存在的状态,强调今昔对比,可用于无人称句或存在句。
He told us he used to play football when he was young.
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幻灯片 53特别提醒
(1)can的一些常用固定搭配
cannot but do sth. /cannot help
but do sth. /cannot choose but
do sth. 表示不得不,只好
cannot/can never. . . enough/too
再……也不为过
(2)may的一些常用固定搭配
may well+动词原形意为“完全
能，很可能”,may as well+动
词原形意为“最好,满可以,倒不
如”。
①I cannot but
choose to go.
我只好去。
②You cannot be
careful enough.
你再细心也不为过.
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幻灯片 54特别提醒
(3)mustn’t表示“禁止”“不许做某事”。
回答用need提问的问句时与回答用must提问的问句时一样，肯定回答用must, 否定回答要用needn’t或don’t have to。
③Her appearance has changed so much that you may well not recognize her.
她的模样变化太大,
你很可能认不出她了。
④You may as well
do it at once.
你最好马上就做这件
事。
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幻灯片 55表3 表示推测的情态动词用法比较一览表
must
肯定句
一般时、进行时、完成时
一定、
肯定
①You must be
hungry after the
long walk.
②He must be
sleeping in the
dormitory.
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幻灯片 56can(could)
疑问句，
否定句
一般时、进行时、完成时
可能，能够
①She can’t be
reading in the
reading room now.
②Can/Could this
be an excuse for
that?
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幻灯片 57may(might)
肯定句,否定句
一般时、进行时、完成时
也许，可能
①He may not be
happy.
②He may be
playing
basketball on the
playground.
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幻灯片 58should
(ought to)
肯定句
一般时
确定或期待，“应该”
①He should be
around sixty years
old. (确定)
②It’s nearly seven
o’clock. Jack
should be here at
the moment.(期待)
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幻灯片 59will(would)
肯定句、否定句、疑问句
一般时、进行时、完成时
大概
①He will have
forgotten me. I
left him 18 years
ago.
②It would be
about ten when he
left home.
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幻灯片 60表4 “情态动词+have done”用法
对过
去的
推测
must have
done
can/could have done
表示对过去已经发生的行为进行推测,意为“想必/准是/一定做了某事”.
表示对过去发生的行为的怀疑和不肯定
肯定句
否定句、
疑问句
They must have fallen asleep.
I saw Mr. Wang just now. He couldn’t have gone to Beijing.
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幻灯片 61对过
去的
推测
may/might have done
表示对过去已发生的行为的推测，意为“也许/或许/已经(没有)……”。
肯定句、
否定句
It’s too late. I think he may have gone to bed.
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幻灯片 62表示
后悔、
责备
或遗
憾
could have done
might have done
表示过去能做而没做的事
表示本来应该或可以做某事,含有轻微的责备语气
肯定句
肯定句
You could have done better, but you were too careless.
You might have given him more help, though you were busy.
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幻灯片 63表示
后悔、
责备
或遗
憾
should
/ought to
have
done
needn’t have done
表示本该做某事而实际上未做
表示做了本来不必做的事
肯定句、
否定句
否定句
You should have come to the meeting earlier.
You needn’t have taken a taxi, for it was very near.
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幻灯片 64表示
后悔、
责备
或遗
憾
had better have done
would rather have done
用于事后的建议，含轻微责备的口吻，意为“当时最好做了某事”
肯定句、
否定句
You had better have started earlier.
表示“当时宁愿做了某事”
肯定句、
否定句
I would rather have taken his advice.
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幻灯片 651.［2012湖州模拟］You _______ read a book in the sun—it’ll do harm to your eyes.
A.couldn’t B.wouldn’t
C.needn’t D.mustn’t
【解析】选D。考查情态动词。句意：你千万不要在阳光下看书——对你眼睛有害。mustn’t表示禁止，意为：千万不要，千万别；couldn’t不能够；wouldn’t不愿意；needn’t不必。
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幻灯片 662. —It is said that China has been a member of WTO since December 11, 2001．
—Well, it’s wonderful that the Chinese people _______ have made so much progress these years．
A． must B． can C． should D． may
【解析】选C。考查情态动词。句意：——据说自从2001年12月11日中国就成为WTO的一员了。——噢，这几年中国人竟然取得这么大的进步，好极了。should竟然; must必须；can能够；may可以。
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幻灯片 673. —I’m leaving now.
—It’ s so late. Better stay with me. Call a taxi if you _______.
A. will B. must C. would D. may
【解析】选B。考查情态动词。句意：——我现在要走了。——太晚了。最好和我呆在一起。如果你硬要走的话，叫辆出租车。must 偏偏，硬要。
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幻灯片 684. ［2012成都模拟］—_______ we stay at home or go out for a walk?
—Up to you.
A. Dare B. Shall C. Can D. Do
【解析】选B。考查情态动词。句意：——我们现在呆在家里呢还是出去散步呢？——由你来决定。shall在疑问句中用于第一、三人称时表示征求对方的建议。
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幻灯片 695. Driving on the highway _______ be very dangerous, so you _______ be too careful.
A. should; ought to B. could; should
C. might; mustn’t D. can; can’t
【解析】选D。考查情态动词。句意：在公路上开车可能很危险，因此你无论怎样小心都不过分。can 用于肯定句，可以表示逻辑推理的可能性，意为“有时会”；can’t. . . too无论……都不过分。
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幻灯片 706. ［2012济南模拟］—The speaker is a tall man with glasses.
—Then it _______ be Mr. Smith, who is short and thin.
A. can’t B. wouldn’t
C. won’t D. mustn’t
【解析】选A。考查情态动词。句意：——演讲者是个戴眼镜的高个男子。——那不可能是史密斯先生，他矮而且瘦。can表示推测时，主要用于否定句和疑问句中。
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幻灯片 717. ［2012杭州模拟］According to the school rules, if a student _______ happen to damage something by accident, he/she should report it to a teacher or the office immediately.
A. should B. will C. shall D. would
【解析】选A。考查情态动词。句意：根据学校制度，如果一个学生万一碰巧无意间毁坏了东西，他/她应该立刻报告给老师或办公室。should万一；will表示意愿；shall用于第二、三人称的陈述句表示命令、警告、允诺、威胁等；would表示意愿。
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幻灯片 728. ［2012宝鸡模拟］—She looks very happy. She _______ have passed the exam.
—I guess so. It’s not difficult after all.
A. should B. must C. could D. might
【解析】选B。考查情态动词。句意：——她看上去很高兴。她一定通过了考试。——我也这么猜的。毕竟这次考试不难。must have done sth. 一定做过某事；should have done sth. 本应该做某事；could have done sth. 本来能够做某事；might have done sth. 可能已经做过某事。
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幻灯片 739. —Is John coming by train?
—He should, but he _______ not. He likes driving his car.
A. must B. can C. need D. may
【解析】选D。考查情态动词。句意：——约翰会乘火车来吗？——他应该，但是可能不会。他喜欢开车。may用于肯定句和否定句，表示不太有把握的可能性。
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幻灯片 7410. ［2012大庆模拟］It is hard to say what kind of person he is. Sometimes he is very friendly; at other times he _______ be very cold.
A. can B. must C. will D. shall
【解析】选A。考查情态动词。句意：很难说他是什么样的人。有时他很友好有时他很冷淡。can用于肯定句表示逻辑推理的可能性。
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幻灯片 7511.［2012金华模拟］My book was here a second ago but now it’s missing.Someone _______ a joke on me.
A.must be playing B.must play
C.can’t have played D.can’t play
【解析】选A。考查情态动词。句意：我的书刚才还在这儿但现在不见了。一定是有人在和我开玩笑。must be doing sth.一定正在做某事，符合句意。
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幻灯片 7612. ［2012西安模拟］—_______ you disturb her with these annoying questions just when she was busy cooking dinner?
— Sorry, I _______ that at that time.
A. Should; must not have done
B. Shall; may have done
C. Must; should do
D. Must; should not have done
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幻灯片 77【解析】选D。句意：——你怎么偏偏在她忙着做饭时拿这些烦人的问题打扰她呢？——很抱歉，那时候，我本不该那样做。must偏偏，硬要; shall用于第二、三人称表示许诺、命令、警告、威胁等；may have done sth. 可能已经做过某事；should not have done sth. 本不应该做某事，但事实上做了；不存在must not have done sth. 结构。
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幻灯片 7813. ［2012北京模拟］For the engine to work, the green button _______be in the “on” position.
A. can B. would C. must D. might
【解析】选C。考查情态动词。句意：想要让发动机工作，必须将绿色的按钮放在“on”的位置。根据句意可知，选C。
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幻灯片 7914. You _______ finish the work today, for you still have three days left.
A. won’t B. mustn’t
C. can’t D. needn’t
【解析】选D。考查情态动词。后半句提到“因为你还有三天时间”，由此可知你“不必”今天完成那项工作。needn’t表示“不必”。won’t不愿意；mustn’t千万不要；can’t不可能。
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幻灯片 8015. —I saw Mr. Li at the meeting yesterday.
—Did you? He _______ have attended, for he had asked for sick leave.
A. needn’t B. couldn’t
C. shouldn’t D. mustn’t
【解析】选B。由下文的“他请了病假”可知，他不可能参加了会议。couldn’t have done 过去不可能做过某事。
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幻灯片 8116. ［2012潍坊模拟］Some young people these days just _______ go out of their homes to contact the real world.
A. mustn’t B. won’t
C. mightn’t D. shouldn’t
【解析】选B。考查情态动词。句意：现在一些年轻人不愿意走出家门接触真实的世界。此处won’t表示“不愿意”；mustn’t表示“禁止，不可以”， mightn’t 表示“可能不”；shouldn’t表示“不应该”。根据语意选B。
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幻灯片 82----
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