人教英语选修六第四单元知识点

人教版英语选修六第四单元知识点

U4(选修六)

Language points-reading 1

on/ upon+ n 依靠,依赖, 确(坚)信

You can’t depend on your parents forever.

depend on/upon+sb.+to do 指望某人做……

You can’t depend on him to come on time.

depend on/upon +it +that…. 指望…..

You may depend on it that he will come.

depend on/upon +wh-从句

Whether you can pass the exam depends on how hard you work.

That (all) depends./ it all depends. (口语)视情况而定，

I may help you. But that/ it depends.

2. light

1)n. 光,线,灯

2)v.照亮,点燃

He lit a match. 他划着了一根火柴。

A smile of triumph lit up her face. 她的脸上闪耀着胜利的微笑。

The match lights easily. 这火柴容易划着

3)adj

The suitcase is very light.（轻的）

There was a light rain falling.

He is a light sleeper. 他睡不沉。（易醒的）

3. heat v. / heat up 是某物变热或变暖

heated adj. 热的激烈的

heated debate, heated discussion

heatedly adv.愤怒地激昂地

heater加热器发热器

consumer (n.).

1 消耗,花费;耗尽

She consumed most of her time in reading.

2吃完,喝光

The kids soon consumed all the food on the table. 孩子们一会儿功夫便把桌上的食品全部吃光。

3 使全神贯注,使着迷+with

The boy was consumed with curiosity. 那男孩充满好奇心。

… as one can = as … as possible

Please come here as soon as possible.= Please come here as soon as you can..

as many as 多达

as long as 长达,只要

as far as远至,就…而论

as well as 和…一样好,也,和

as early as 早在

6.对比：

Our food supply has given out.

His money soon ran out.

We are running out of our time.

I have run out of my oil.

All his savings have been used up.

vt. / n. 挡住圈套

Sand and leaves trapped the water in the stream.

They finally trapped the mouse in a cage.最后，他们用笼子把老鼠逮着了。

The police set a trap for the thieves.

She was trapped in the burning house.

….from….

stop…. (from)….

prevent…(from)….

You should clean your room to keep it from getting dirty.你应该打扫房间以保持干净。

Keep doing 继续

keep out 挡住使进不去

keep up with 跟上

9 What do you think green house gases do你认为温室气体有什么作用呢

▲本句中think后接了一个由what引导的宾语从句。

但应注意的是：特殊宾语从句即当一般疑问句主句的谓语动词是 think, believe，suppose，consider, imagine，guess 和 suggest 等时，表疑问的词要放在主句前即句首。例如：[正] Who do you think will win in the game

[误] Do you think who will win in the game

当然一般情况下宾语从句的疑问词应放在主句之后，例如：

[误] Why do you know we can't cut down the big tree

[正] Do you know why we can't cut down the big tree

when compared to other natural changes是一个省略的时间状语从句，其完整的形式应该是When it is compared to…;

在时间、地点、条件、方式或让步状语从句中，如果从句和主句为同一主语，或者从句的主语是it,而且从句中的谓语动词时动词be或含有助动词be，可省略主语和be 如：

If (it is) so, you must get back and get it. Although (he was) criticized, he still worked hard.

He hurt his legs badly when (he was) playing football

compare to/ with: 与…相比

Compared to/with many women, she was indeed very fortunate.

compare A with B：相比（不同）

If you compare her work with his, you will findhers is much better.

compare A to B：把A比作B

Poets have compared sleep to death.

A teacher's work is often compared to a candle.

The poet compares his lover to a rose in his poems.

Compared to ten years ago, the carbon dioxide content over this decade has gone up