高一英语教案unit9(新教材)

in case假使; 以防(万一); 免得。in case可引导一个条件状语从句或目的状语从句，还可单独使用，

置于句尾。例如：

In case of fire, ring the alarm bell.如遇火灾，既按警铃。

In case he comes, let me know.如果他来的话，告诉我一声。

You’d better take an umbrella in case it rains.(=It may rain; you’d better take an

umbrella just in case.) 可能会下雨，拿把雨伞，以防万一。

4. according to prep. 据;按照; 取决于;视…而定

lives according to her means 按他的方式生活

According to my watch it is 10 o'clock. 按我的表是10点钟。

pay is according to quality 依照质量付费

5.take over 接管;接替;继承

what is good and still useful should be taken over.好的有用的东西应当继承。

Our chairman has left, so Jack will take over (his job).我们的主席走了，因此杰克将接

管(他的工作)。

6. break down

1) 破坏;拆散

Chemicals in the body break our food down into useful substances.

人体中的化学元素把食物分解成有用的物质。

The peace talks are said to have broken down. (喻)据说和谈破裂了。

2)(机器)损坏 Our truck broke down outside town. 我们的卡车在城外抛锚了。

The car broke down halfway to the destination.汽车在到达目的地的中途抛锚了。

3) 失败;破裂 Their opposition broke down.他们的反对意见打消了。

4) 精神崩溃;失去控制 He broke down and wept. 他不禁失声痛哭。

5) 起化学变化 Food is broken down by chemicals. 化学物质引起食物转化。

三、重点句型

1. I should be home in about ten minutes. 再过大约十分钟，我应该到家了。

should 在此的意思为“应该”，但在不同的语境中should有不同的含义，注意下列句子：

You should not use your cellphone in class.你不该在上课时使用手机。(表示要求)

I think you should think it over before doing it. 我认为你应该三思而后行。(表示建议)

We’ve got everything ready. There should be no problem.我们已经准备好了一切。应该不会有问题了。(表示判断)

2. Modern cellphones are more than just phones—they are used as cameras and radios, and

to send e-mail or surf the Internet.现代的手机不仅仅是电话机—它们也当坐照相机和收音机

使用，还可以发送电子邮件和上网。

use A as B 把A用作B。例如：

In ancient times, people used stones as tools for farming.在古代，人们把石头用作耕作的

工具。

use sth to do sth用某物来做某事。例如：

In ancient times, people used stones to kill animals for food.

在古代，人们用石头来捕杀动物获取食物。

3. The answer seems to be that we have a need to stay in touch with friends and family no

matter where we are or what we are doing.答案似乎是：无论我们在何处或正在做什么，我们都

需要和朋友以及家人一直保持联系。

1) seem 似乎，好像，其用法及搭配有：

seem + adj., 如：

This problem seems complicated, but actually it is simple.

这个问题看似复杂，其实很简单。

seem to do

I seem to have seen him somewhere before.我好像以前在哪儿见过他。

It seems that…,

It seems that everything is going on well.好像一切正常。

It seems as if…,

It seems as if it’s going to rain.看来快要下雨了。

2) no matter无论，不管，后面常跟疑问词引导的从句，其意相当于疑问词后加ever。如 no matter

what=whatever; no matter where=wherever; no matter how=however; no matter when=

whenever例如：

No matter when (Whenever) I meet him, he is always wearing that old hat.

不管我什么时候遇见他，他总是戴着那顶旧礼帽。

No matter how (However) expensive the cellphone is, I’ll buy it because I need one

badly.

无论这手机有多贵，我都要买。因为我急需有个手机。

3. She says that her cellphone helps her do whatever she wants to do.她说她的手机能让她想

做什么就做什么。

whatever无论什么，不管什么，在句中用作连接代词，引导名词性从句。

With the money, you can buy whatever you want.有了这些钱，你可以想买什么就买什么。

类似用法的词还有：whoever, whomever, whichever等。如：

Whoever leaves the classroom last should remember to turn off the light before leaving.

不管是谁最后离开教室，都应该记住走之前关灯。

You may choose whichever you like.不管你喜欢哪个，都可以选。

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