新人教版高中英语选择性必修一Unit2重点短语和句型学案(学生版)

班级： 姓名：

B4U2 Looking into the Future

Period 2 Key phrases and sentences

一．重点短语

1. switch off/on 关/开(电灯、机器等)

【例句】Have you ever forgotten to switch off the TV or computer? 你是否曾忘记关电视或电脑?

(1) switch on/off(the )开/关（收音机、电灯、水、煤气等）

=turn on/off(the radio/light/water/gas ...)

(2) 从……转变为……

switch through(把电话）接到（某分机）,接过来

make a switch进行改变

练习：

①She switched the lamp because it was dark.

②He was so stubborn that he refused to make switch.

③我们问他们是否愿意和我们调换位置。

We asked them if they would ．

④你出门前要把电视关掉。

before you go out.

⑤遥控器让你在不同的电视频道之间轻松地转换。

The remote control allows you between TV channels.

2. catch fire 着火(动作)

【例句】These thatched roofs frequently catch fire.这些茅草屋顶屡屡着火。

相关短语：

be on fire 着火(状态)

set fire to…= set … on fire 使……着火

put out a fire 灭火

fight a fire 救火

make a fire 生火

练习：

①A post office was _______ _______ _______ and vehicles were stoned by looters.

抢劫犯防火烧了一家邮局，并用石头砸车。

①And he left, because he had to _______ _______ _______.

他走了，因为他要去救火。

①It took us a long time to _______ _______ _______ with matches.

我们花了好久的时间才用火柴将火生了起来。

3. in this sense (in...sense) 从这种(某种)意义上来讲

【例句】In this sense, the home of tomorrow is already the home of today.从这个意义上说，明天的家已

经是今天的家了。

相关短语：

make sense 讲得通；有意义

make no sense 讲不通；没有意义

in no sense 决不

There’s no/little sense in doing sth. 做某事没有意义

练习：

① makes sense to work on the problem before it gets out of control.

①There is no sense in (force) yourself to get what you don’t want.

①What you say is true in sense.

①这种事情决不能发生在我们学校。

In no sense happen in our school.

①从这个意义上讲它也有利于我们的健康。

it is also beneficial to our health.

4. keep in touch (with) (与…)保持联系;了解(某课题或领域的情况)

【例句】Let’s keep in touch through text messages.让我们通过短信保持联系。

相关短语：

lose touch with/be out of touch with 与……失去联系

get in touch with 与……取得联系

keep/stay/be in touch with 与……保持联系

练习：

①I try to _______ _______ the tendency of fashion by surfing the Internet.

我通过上网了解时尚趋势。

②I (与……失去联系) most of my classmates after graduation. And we

________________（失去联系）for 7 years. A month ago, we _______________（与……取得联系）

each other again. So I should ________________ （与……保持联系）them.

二、重点句型

1. 【教材原句】 Nevertheless, it will take some years before most new homes begin to use this new

technology.然而,要让大多数新家庭开始使用这项新技术还需要几年的时间。

【句式句法】本句型中，before引导时间状语从句，意为“在……之前”。 before引导

时间状语从句时，用以表示从句动作发生之前的时间，译法灵活。eg: We need to get to the

root of the problem before we can solve it.在我们解决问题之前,我们需要找到问题的根源。

【考点提炼】

It took/will take/was/will be+一段时间+before从句 ……之后才……

【归纳拓展】

(1) 强调从句动作发生在主句之前，意为“不等……就……”。

He had got on the train before I could say goodbye.

我还没来得及说再见，他就已经上了火车。

Before he knew it, Nicholas was lost, all alone!

尼古拉斯还未弄明白怎么回事就迷路了，变成了独自一人！

(2) 在“It+be+时间段+before从句”中，意为“……之后才……”。

It will be five years before we meet again.

五年之后，我们才能再相见。

(3) 在“It+be+not+long+before从句”中，意为“……不久就……”。

It was not long before he sensed the danger of the position.

不久他就意识到了处境的危险。

(5)hardly…before/when… 意为“刚……就……”。

，火车就开了。

翻译句子：

①如果你错过这个机会，可能要数年后你才会遇到类似的机会。

①专家们指出,很多年后地震的幸存者才能完全恢复过来。

③还有一些技术问题有待解决,可能还要过一段时间这个系统才能被投入使用。

2. 【教材原句】 Your lights will come on the instant you enter the door along with your favourite music

or TV programmes, and you will find your dinner already prepared for you.你一进家门，你家的灯就会亮

起来，你最想喜欢的音乐和电视节目也会自动播放，并且你会发现你的晚餐已经准备好了。

【句式句法】the instant (that)+句子意为“一……就……”

表示“一……就……”的其他常用句型：

(1)as soon as+时间状语从句

(2)the moment/the instant/the minute/the second＋时间状语从句

(3)immediately/directly/instantly＋时间状语从句

一句多译：

我一到上海就给你打电话。

① .

（as soon as+时间状语从句）

① .

（the moment/the instant/the minute/the second＋时间状语从句）

③ .

（immediately/directly/instantly＋时间状语从句）

单句语法填空

1. Tom was playing computer games when his mother switched the power.

2. We often walk to the beach, which is within walking (distant) of my house.

3. If you stick to choosing subjects according to your (prefer), you should explain to

your parents patiently and carefully.

4. It is very inconvenient for him to go to school because the school is rather (distance)

from his home.

5. The plan is designed to motivate employees to work more (efficient).

6. We must (constant) adapt and innovate to ensure success in a growing market.

7. As a teacher, you should pay extra attention to students’ (normal) behaviour.

8. She gave her children a (warn) not to bite their nails.

9. We are trying to (detective) and understand how the climates change.

10. So much (emphasize) is placed on the school as a transmitter of moral values.

11. Computers are becoming home nowadays. (apply)

12. The vegetarian burger was an (innovate) which was rapidly exported to Britain.

13. The associated company is sure to have the (potentially) for growth.

14. He thinks we are living in a fully (integrate) society.

15. He threw all those that (opposing) him into prison.

16. We need some ordinary facilities and (electricity) equipment, such as balance,

crucible, tongs and so on.

17. Who made the most accurate (predict) of their future life satisfaction?

18. It’s (normal) for the little boy to eat so much.

19. A (combine) of talent, hard work and good looks have taken her to the top.

20. She believed she had come up with one of the greatest (innovate) of modern times.

21. He advocated (ban) cars in the city centre at the meeting.

22. Ade’s constant (absent) from work made his boss very angry.

23. While shopping, people sometimes can’t help (persuade) into buying something

they don’t really need.