人教版英语选修六第四单元知识点复习过程

人教版英语选修六第四单元知识点U4(选修六)Language points-reading 11.depend 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. light1)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)adjThe 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 discussionheatedly adv.愤怒地激昂地heater加热器发热器4.consume v.---- 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+withThe boy was consumed with curiosity. 那男孩充满好奇心。

5.as … as one can = as … as possiblePlease 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.7.Trap 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.8.keep ….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 footballparecompare 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BPoets 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 rapidly. Carbon dioxide in the atmosphere is compared to the glass of greenhouse.Compared with is similar toPeople often compare teachers to gardeners. 人们经常把老师比做园丁。

That probably doesn’t sound very much to you or me but it is a rapid increase.compared to most natural changes 与大多数的自然变化相比e about:发生=happen(无被动）1 This situation should never have come out.2 How did it come about that he had his leg hurt?他的腿伤着了，这是怎么发生的？3 This has not come about overnight.冰冻三尺，非一日之寒Take place事件的发生有某种原因或事先的安排：The Olympic Games of 2008 took place in Beijing.Happen 偶然或突发性事件：what happened to you?I happened to see him on my way home= It happened that I saw him on my way home.Occur 发生或想到，突然想起，意为发生时=happen: what has occurred?I occurred to me that she didn’t know I had moved into the new house.Come about 事情发生了，但还不知道为什么。

常用于否定和疑问When mother woke up, she didn’t know what had come about.Break out 常指战争灾难疾病争吵事件的发生come into being 形成Come into power/office 当权/当职Come into force/effect 开始生效Come out出版,结果… come across偶遇come to 共计，苏醒When it comes to 涉及Come up with 提出Come up在空中出现，Come along, 进展，跟随come true …成真12.There is no doubt that ….毫无疑问….There is no doubt that he can come on time.doubt的宾语从句,肯定句whether / if / that 否定句thatHe doubted whether they would be able to help.He never doubted that they would win the game.beyond / without doubt无疑地It is human activity that…原句：My teacher did the experiment in the lab yesterday morning with me.强调主语：It was my teacher that did the experiment in the lab yesterday morning with me.强调宾语It was the experiment that my teacher did in the lab yesterday morning with me.强调时间状语It was yesterday morning that my teacher did the experiment in the lab with me.强调地点状语It was in the lab that my teacher did the experiment yesterday morning with me.强调方式状语It was with me that my teacher did the experiment in the lab yesterday morning. not …until…I didn’t realize she was a famous fi lm star until she took off her dark glasses.It was until she took off her dark glasses that I didn’t realize she was a famous film star.(错)It was not until she took off her dark glasses that I realized she was a famous film star.(对)强调句的一般疑问句句型：Is/Was+被强大的部分+that/who/whom+句子的其他部分？特殊疑问句强调句句型的构成：特殊疑问词+be+it+that+句子的其他部分（用陈述语序）例如：Did he help you with your English study last week?Was it he that helped you with your English study last week?When did you receive the gift?When was it that you received the gift?13random 随意的胡乱的随机的/ randomlyat random 任意地随便地14. phenomenon (sing.) phenomena (pl.)the phenomena of nature自然现象a social phenomenon 社会现象15.Subscribe vi.Vt.Subscribe to 同意赞同，支持订阅签名I subscribe to your opinion completely.(同意赞同)I subscribe to a week ly women’s magazine（订阅报纸杂志）She subscribes to a society which helps to protect animals(定期捐款）16．Without the ‘green house effect’，the earth would be about thirty-three degrees Celsius cooler than it is.如果没有温室效应，地球会比现在冷33℃▲这是一个含蓄虚拟条件句=If there were no “green house effect”, the earth would be abo ut thirty-three degrees Celsius cooler than it is.But for electricity (= If there were no electricity)，there would be no modem industry．要是没有电，就不会有现代工业。