新概念英语自学导读第二册:第17课

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编辑点评: 《新概念英语自学导读第二册》是《新概念英语》系列的一套辅助教材。文章对《新概念英语2》中的语法,词汇和长句难句都做了详细的剖析和阐述,从而更好的帮助同学们学习和吸收。下面就一起来学习下吧!

词汇学习 Word study

1.appear vi.
(1)出现,显露:

Suddenly, a car appeared.
突然,一辆小汽车出现了。

(2)当众露面;登场(演出等):

I can't appear in this dress at the party.
我不能在晚会上穿着这身衣服露面。

Miss Marsh will appear in tonight's play.
在今晚的这场剧中,马什小姐将会登场。

(3)似乎,看起来好象(与seem同义):

She appears to know you.
她似乎认识你。

Now it appears you are wrong.
现在看来你是错的。

2.grow vi.
(1)生长,成长,发育:

Trees of this kind don't grow in our country.
我们国家不长这种树。

How tall you've got! You've grown a lot.
你已经这么高了!你长了不少。

(2)grow up 长成,成熟(其被动态表示长大成人):

Lucy has grown up a lot since I last saw her.
自从我上次见到她之后,露西已成熟了许多。

What do you want to do when you're grown up?
等你长大了,你想干什么?

3.as的几种用法
(1)作为介词,它可以表示“作为”、“以……身份”等:

In this film, he appeared as a policeman.
在这部影片中,他扮演一名警察。

As a mechanic, he can't always keep himself clean.
作为一名机修工,他无法总保持身上干净。

(2)作为连词,它可以表示“因为”、“正当……时候”、“以……方式”或“如同……那样”等含义:

You must take care of the baby tomorrow as I am going to London.
由于我要去伦敦,你明天必须照料这孩子。(因为,由于)

As we were talking about him, he knocked at the door.
我们正谈论他的时候,他敲门了。(正当……时候)

She cooked the dinner as her mother taught her.
她按母亲教她的方式做了晚餐。(以……方式)

练习答案 Key to written exercises

1.关键句型练习答案
C
1 You must/will have to see a doctor.

2 Must you/Do you have to make so much noise?

3 She said we must/had to/would have to stay here.

4 I must/have to have some help.

8 I've had to go out last night.

2.难点练习答案
A
1 in the position of      2 because    3 At the time when

B
1 grow     2 suit    3 costume    4 dress

3.多项选择题答案
1d 2b     3b 4d      5c 6c
7b 8a     9a 10c     11a 12d 

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