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新概念第二册自学导读 Lessons48

2011-09-28来源:和谐英语

课文详注 Further notes on the text

1.Dentists always ask questions when it is impossible for you to answer. 牙科医生们总是在你无法作出回答的时候向你提出问题。

在when引导的时间状语从句中,it为先行主语,代指后面的不定式,for+人称代词/名词说明不定式表示的动作是谁做的:

It is not hard for you to help them.

你帮助他们并不难。

It was a mistake for me to come to the party.

我来参加晚会是错误的。

impossible通常不以人作主语,而以不定式或从句作主语:

It is impossible for him to help you.

他不可能帮你。

It is impossible that he will help you.

(译文同上)

2.In answer to these questions I either nodded or made strange noises. 作为对这些问题的回答,我不是点头,就是发出奇怪的声音。

(1)in answer to为固定短语,在这里表示“作为对……的回答”:

In answer to my question, Dan shook his head.

作为对我的问题的回答,丹摇了摇头。

这个短语的另一个含义是“响应……的请求”:

In answer to my request, he wrote a letter to George.

应我的请求,他给乔治写了封信。

(2)made strange noises, 发出奇怪的声音。“我”并不是有意发出这些声音,而是因为嘴里有药棉,又想回答医生的话造成的。

3.Meanwhile, my tongue was busy searching out the hole where the tooth had been. 与此同时,我的舌头正在忙着寻找刚拔掉的那颗牙的伤口。

(1)副词meanwhile表示“在此期间”、“与此同时”:

He won't come until ten o'clock. Meanwhile you can have a rest.

他10点以前不会来。在此期间你可以休息一下。

Mary was talking to me about her new dress. Meanwhile I was thinking about something else.

玛丽在和我讲她的新衣服。与此同时我却在想着其他事情。

(2)search out表示“找出”、“查出”、“搜出”等:

Have you searched out the books I needed?

你找出我需要的书了吗?

(3)where the tooth had been用的是过去完成时,因为在描述这件事的时候那颗牙已经不在了。牙齿尚在的时间是“过去的过去”。

4.When the dentist at last removed the cotton wool from my mouth…
当那位牙医最后将药棉从我嘴中取出时……

remove可以表示“拿去”、“除去”、“去掉”,通常结构为“remove +名词+from”;它也可以单独使用:

I've removed that picture from the wall.

我已经把那幅画从墙上拿走了。

Please remove your hat.

请摘下你的帽子。

语法 Grammar in use

复习第26~45课的部分语法

It is one of the ugliest faces(that) I have ever seen.

这是我见过的最丑陋的头像之一。(that在关系从句中作宾语,可省略)

There aren't many students who sing as well as she does.

在学生当中没几个人唱歌像她那么好。(who在关系从句中作主语,不可省略)

People are not so honest as they once were.

人们不再像以前那样诚实了。(not so/ as…as用于比较状语从句)

He had hardly had time to settle down when he sold the house.

他还没等安顿下来就卖掉了房子。(hardly…when用于过去完成时)

No sooner had I sat down than he came in.

我刚坐下他就进来了。(no sooner…than用于过去完成时;否定词位于句首时句子要倒装)