Words study Unit 4 Global warming Word study

compare Compare to/ with Compared to/with many women, she was indeed very fortunate. Compare A with B If you compare her work with his, you will find hers is much better. Compare A to B Poets have compared sleep to death.

Come about Come about: Take place; happen Please tell me how the accident_____. I am still in the dark. (2005 江西 ) A. came by B. came upon C. came to D. came about 得到，获得 发现， 碰上 达到

result in 导致 造成 =lead to The accident resulted in three people being killed. 这一事故导致他的死亡。 The accident resulted in his death

Result from ●result from 由 … 产生，发生 injuries resulting from a fall. The accident ______ the death of two passengers. A. resulted from B. resulted in C. resulted of D. resulted with

Consequence in consequence 因此 as a consequence 结果 as a consequence of 由于 … 的结果

range in /within range 在射程之内 out of / beyond range 在射程之外

Build up Build up the business Sediment ( 沉淀物 )builds up on the ocean floor. This built up my hope after the interview. Develop 扩大 发展 Collect 累积 收集 增加 支持 树立

Read the words after the record

The earth is becoming warmer -but does it matter?

Enjoy a song down as she goes Down as she goes From up here is where she glows the most Turns from silver into gold And the story is left untold Down as she goes Too much downfall will she hold Turns from shimmer into spoilt Science fiction is going old I was lost and never found Into pieces I am breaking down I was lost and never found Into pieces I am going down Hurts the soul Hurts the soul Down did she go From up there is where she glowed the most Turned from shiver into cold Time is clicking are we getting old

What are they? What is the function of them?

Greenhouse gases Carbon dioxide Methane Water vapor The atmosphere

What causes the global warming?

Main ideas of each partWriting techniques Introduce a debate over the issue of global warming Raising a question Illustrate how global warming comes about Giving examples, using graphs, explanation List two different attitudes towards global warming Giving examples It’s up to readers to think and decide whether people should do something about global warming or not Using a question, leaving Readers to think over the issue

Using language what can we do about global warming?

Earth Care’s suggestionCan you carry it out

Reading task (page 66) Exercise on page 67 part 2

Water pollution garbage Air pollutionstarvation

waste from cities

smoke from factories smoke from cars What cause(s) air pollution ?And what’s the result ? Viet Nam War Iraq War

We can reduce the amount of garbage/rubbish by producing and buying products that use less packaging or wrapping. We should never throw garbage in the streets or in nature. We should also try to recycle as much as possible.

What can we do? rubbish box × × basket clean

People cut down too many trees. How about nature ? What’s the result ? Deforestation

rain water washes the soil away wind blows the soil away no trees to hold the soil Desertification

one-off

What can we do? ↖ ↘ ↙ ↗ solar energy

Help me, help you, help everyone. Return GREEN to the earth! Help me, help you, help everyone. Return GREEN to the earth!

The usage of it

用作形式主语，代替主语从句 1. It is clear ( obvious, true, possible, certain....) that.....+(should) do It is very clear that he’s round and tall like a tree.

用作形式主语，代替主语从句 2. It is important ( necessary ， right ， strange ， natural...) that …+(should) do It is important that we (should) learn English well.

用作形式主语，代替主语从句 3. It is said (reported/learned/believed/thought/known/t old/hoped...) that... It is reported that another earth satellite has been put into orbit.

用作形式主语，代替主语从句 4. It is suggested (ordered/Demanded /insisted/commanded.. ) that +(should) do It is suggested that the meeting ( should ) be put off.

用作形式主语，代替主语从句 5. It is time ( about time ， high time ) that... + should do did * It is time that children should go to bed. = It is time that children went to bed.

用作形式主语，代替主语从句 6. It (this) is the first ( second... ) time (that)... + 完成时态 It is the first time I have been here. = This is the first time I have been here.

用作形式主语，代替主语从句 7. It is a pity ( a shame /an honor/a good thing/a fact,/a surprise/... ) that... + (should) do 表出乎意料 “ 竟然 ” 陈述语气 It is a pity that such a thing ( should ) happen in your class. 这种事竟然发生在你们班上，真是遗憾！ It is a pity that he is ill. 他生病了真遗憾！

用作形式主语，代替主语从句 8. It happens (seems, looks, appears ) that... It happened that he met his teacher in the street.

1. It is kind ( of sb. ) to do sth. bad ， brave ， careless ， clever ， cruel ， foolish… 表示逻辑主语特征的 形容词 It is kind of you to say so. 用作形式主语， it 代替不定式

2. It is necessary ( for sb. ) to do sth. important ， necessary ， natural, easy ， safe ， common … It is important for her to come to the party. 用作形式主语， it 代替不定式

3. It takes sb.... to do sth. “ 做．．．要花费某人．．． ” It took thousands of people many years to build the Great Wall. 用作形式主语， it 代替不定式

It is no good (use ) doing sth. It is no good learning English without speaking English. 用作形式主语， it 代替 V-ing

强调句型 It is not until + 被强调部分 + that... It was not until she took off her dark glasses that I realized she was a famous film star.

It is.... since... ( 瞬间动词, 时间状语为一段时间 ) It is ( has been ) 5 years since his father died. It is years since I enjoyed myself so much. 强调句型

It is... when... when 引导的是一个时间状语从句 It was 5 o’clock when he came here. 强调句型

It be... before... It was 3 days before he went to Beijing. 强调句型

It doesn’t matter whether ( if )... It doesn’t matter if they are old. 强调句型

It looks ( seems ) as if... 该句型中 it 无意义 如果与事实不相符合，则用虚拟语气。 It looks as if he is ill. （真的病了） It looks as if he were ill. （没有生病） 强调句型

exercise