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1.课文
　　Ann: Look, Harry! That policeman’s waving to you. He wants you to stop.
　　Policeman: Where do you think you are? On a race track?
　　You must have been driving at seventy miles an hour.
　　Harry: I can’t have been.
　　Policeman: I was doing eighty when I overtook you.
　　Policeman: Didn’t you see the speed limit?
　　Harry: I’m afraid I didn’t, officer. I must have been dreaming .
　　Ann: He wasn’t dreaming, officer. I was telling him to drive slowly.
　　Harry: That’s why I didn’t see the sign.
　　Policeman: Let me see your driving-license and your insurance certificate.
　　Policeman: I won’t charge you this time. But you’d better not do it again!
　　Harry: Thank you. I’ll certainly be more careful.
　　Ann: I told you to drive slowly, Harry.
　　Harry: You always tell me to drive slowly, darling.
　　Ann: Well, next time you’d better take my advice!

2.翻译
　　安：瞧，加里！那个警察正朝你挥手呢。
　　他要你停下来。
　　警察：你认为你现在是在哪儿？
　　在赛车道上吗？你刚才一定是以每小时
　　70英里的速度开车。
　　加里：我不会开得那么快的。
　　警察：我是以每小时80英里的速度赶上你的。
　　警察：难道你没看见限速牌吗？
　　加里：恐怕我没有看见，警官。
　　我一定思想开小差了。
　　安：警官，他思想没有开小差。
　　我刚才正告诉他开慢点。
　　安里：所以我才没看见那牌子。
　　警察：让我看一看你的驾驶执照。
　　警察：这次我就不罚你款了。但你最好不要再
　　开得这样快。
　　加里：谢谢您。我以后一定会多加注意。
　　安：加里，我刚才叫你开慢点吧。
　　加里：你总是叫我开慢点，亲爱的。
　　安：好啦，下次你最好还是听从我的劝告！

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(课文精讲根据顺序分析课文重点)

　　课文详注 Further notes on the text
　　1．Where do you think you are?你认为你现在是在哪儿？
　　do you think 是用在特殊疑问句中的插入语，用来征询见解或表达看法。因为句中插入语已经是疑问式，主谓倒装了，所以you are的位置不能再对调了。插入语一般是对句子加一些附加的解释，在句子中作独立成分。常用来作插入语的结构有I hope, I think, I'm afraid, you know等。插入语可以位于句尾或句中，有时也可出现在疑问句中。
　　2．must have been doing sth.,一定/准是在做某事。
　　这种结构用来表示对过去正进行的事情的推测。下文中的can't have been是 can't have been driving的省略式，在意思上与must have been driving正相反。
　　3．That's why I didn't see the sign.所以我才没看见那牌子。
　　why I didn't see the sign作is的表语从句，以why引导的从句用来解释事情的原因。
　　4．…you'd better take my advice!……你最好还是听从我的劝告吧！
　　take one's advice是“听从劝告”的意思。

1、提示:n.名词、adj.形容词、vi.不及物动词、vt.及物动词、adv.副词、prep.介词、pron.代词、int.感叹词、num.数词、abbr.短语缩写
2、双击或选中某个单词可划词查字典，如下图：(手机端无法使用此功能)

3、单词列表：
　　wave
　　v. 招手
　　track
　　n. 跑道
　　mile
　　n. 英里
　　overtake (overtook, overtaken)
　　v. 从后面超越，超车
　　speed limit
　　限速
　　dream
　　v. 做梦，思想不集中
　　sign
　　n. 标记，牌子
　　driving licence
　　驾驶执照
　　charge
　　v. 罚款
　　darling
　　n. 亲爱的（用作表示称呼）

　　表示猜测和推断的情态助动词must和can't（2）
　　must与can't不仅能表达对现在和将来的猜测和推断，而且能表达对过去的猜测和推断——这时可用 must have been表示肯定的推断，用can't have been（而不是mustn't have been）来表示否定的推断，如后面跟进行时则表示对过去正在进行的动作的猜测。请看例句：
　　You must have been driving at seventy miles an hour.
　　你当时肯定正以每小时70英里的速度行驶。
　　I didn't see it. I must have been dreaming.
　　我没看见。我当时一定是在胡思乱想吧。
　　She can't have been 29.She must have been 36.
　　她那时肯定不会是29岁，她一定36岁了。
　　He can't have been reading. He must have been sleeping.
　　他那时肯定不是在看书，他准是在睡觉。

　　A
　　1 He didn't come to work yesterday. He must have been ill.
　　2 He didn't come to the office this morning. He had to stay a home.
　　3 I don't think she was Austrian. She must have been German.
　　4 I lost my pen so I had to buy a new one.
　　5 He forgot his case so he had to return home.
　　6 She didn't hear the phone. She must have been sleeping.
　　B
　　1 I don't think they were. They can't have been Canadian.
　　They must have been Australian.
　　2 I don't think she was. She can't have been Finnish.
　　She must have been Russian.
　　3 I don't think they were. They can't have been Japanese.
　　They must have been Chinese.
　　4 I don't think they were. They can't have been butchers.
　　They must have been bakers.
　　5 I don't think she was. She can't have been a dentist.
　　She must have been a doctor.
　　6 I don't think he was. He can't have been a sales rep.
　　He must have been the boss.
　　7 I don't think she was. She can't have been seventeen.
　　She must have been twenty-one.
　　8 I don't think they were. They can't have been five.
　　They must have been seven.
　　9 I don't think he was. He can't have been seventy-six.
　　He must have been over eighty.
　　10 I don't think she was. She can't have been fifty-five.
　　She must have been under fifty.
　　11 I don't think it was. It can't have been the 17th yesterday.
　　It must have been the 16th yesterday.
　　12 I don't think it was. It can't have been Tuesday yesterday.
　　It must have been Wednesday yesterday.
　　13 I don't think it was. It can't have been the 19th yesterday.
　　It must have been the 20th yesterday.
　　14 I don't think it was. It can't have been cheap.
　　It must have been expensive.
　　15 I don't think it was. It can't have been easy.
　　It must have been difficult.
　　16 I don't think she was. She can't have been old.
　　She must have been young.
　　17 I don't think he was. He can't have been ill.
　　He must have been tired.
　　18 I don't think they were. They can't have been listening to the radio.
　　They must have been watching television.
　　19 I don't think she was. She can't have been retiring.
　　She must have been looking for a new job.
　　20 I don't think they were. They can't have been sitting.
　　They must have been standing.

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