译林版九年级下册英语第四单元Unit4单元知识点

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Unit 4 Life on Mars单元知识点

一、重要短语

1、look for，find，find out

这三个词都有“找”的涵义，但具体用法有别：

1）look for意为“寻找”，是有目的地找，强调“寻找”这一动作。如：

—What are you looking for？

—I’m looking for my bike．
2）find意为“找到”“发现”，强调“找”的结果，其宾语往往是某个丢失的东西或人。如：

—Did you find Li Ming yesterday？

—No，we looked for him everywhere，but didn’t find him．
3）find out着重表示通过理解、分析、思考、询问等“弄清楚”“查明”一件事情，其后的宾语常常是某个情况、事实。如：

Please find out when the train leaves．

Have you found out why he was late?

2、take 拿，取

take sth with sb 把某物带在身边

take sth/sb to sp 把某人/某物带到某地

E.g You should take an umbrella with you.

Can you take my bag to the classroom please?

【拓展】take的用法

1）表示“乘坐某一交通工具”

Shall we go there by bike or take a taxi?

They usually take a bus to work.

2）表示“花费”，常常和it连用，it在句子中作形式主语，真正的主语是后面的不定式。

How long will it take you to do your homework every day?

3）吃，喝，服用，放

Will you take a glass of milk?

Take the medicine three times a day.

Do you take sugar in your milk?

4)表示“（顾客在商店）选取，买下”相当于buy/get

That’s cheap.I’ll take it.

5)含有take的短语

take exercise 运动，锻炼      take off 起飞；脱下     take away拿走

take a look (at) 看一看       take down取下      take out拿出，取出

take care of照顾     ake part in 参加     take place发生     take pictures照相

3、rapid adj.  快的      rapidly adv.

【辨析】fast/quick/rapid

1) 表示人的动作之迅速，三者都可用，有时可换用。如：

a fast /rapid/quick worker 做事手脚快的人

a fast /rapid/quick typist 打字快的打字员

2)fast 表示“快”，侧重指速度方面。如：

She ran as fast as she could. 她有好快就跑好快。

You are reading too fast for me to follow. 你读得太快，我跟不上。

注：询问速度或表示钟表走得快等，通常用 fast。如：

How fast is the fish swimming? 这鱼游得有多快?

My watch is 5 minutes fast. 我的表快 5 分钟。

3)quick 通常表示某一动作来得突然或时间持续很短，有时还含有匆忙之意(但通常不指动作的频率)。如：

He gave her a quick kiss. 他突然吻了她一下。

He had a quick look at it. 他匆匆地扫了一眼。

She ate a quick breakfast and rushed off to work. 她匆匆吃了早餐就赶去上班。

注：催人快做(快走等)，通常用 quick。如： Be quick! 快点!

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二、重要句型

1、Who do you think isthe greatest person that has ever lived? 你认为谁是人类史上最伟大的人?

2、Neil Armstrong, the first man to walk on the moon …尼尔·阿姆斯特朗是第一个在月球上行走的人„„

3、It is said that Armstrong sent a message to Mission Control which said that two huge, strange objects landed near them and were watching them. 据说阿姆斯特朗发了一条信息给任务控制中心，上面说有两个大而奇怪的物体落在他们附近观察他们。

4、Armstrong is the person who made people around the world realize that space exploration was truly possible. 阿姆斯特朗是一个使全球的人们意识到太空探险真的成为可能的人。

5、one small step for man, one giant leap for mankind 个人的一小步，却是人类的一大步。

6、How do you like life on Mars？你觉得火星上的生活怎么样？

How do you like…?常用来询问对方对某人或某一事物的看法、感受、印象如何。How是副词，修饰动词like。

表达这一意思还可以说What do you think of…?

–How do you like this film?

–It’s very boring.

7、Daniel is thinking about life in the future.

1）think about 考虑

I’m thinking about what to wear.

2) think of 想起，认为，考虑

I thought of a good idea to solve the problem just now.

3)think over (反复、仔细)思考，考虑

Let’s think over the problem to see who can work out it first.

8、I hope so.我希望如此。

【辨析】I hope so./I hope not.

1)I hope so.表示肯定的希望（其中的so代表上文所提到的事情），意为“希望如此”

–Will it be fine tomorrow?    –I hope so.

2)I hope not.表示否定的希望（其中的not代表上文所提到的事情），意为“希望不会如此”

–Is he coming to the party?    –I hope not.

三、语法

句式（二）

一、用at the age of，because of，without把复合句改为简单句

1、用at the age of吧时间状语从句改为简单句

I could read English when I was six.       I could read English at the age of six.

2、用because of把原因状语从句改为简单句

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