常见强调句精选练习 强调句是一种修辞，是人们为了表达自己的意愿或情感而使用的一种形式，下面简单归纳它的几种结构： 1. 用助动词“do（does／did）＋动词原形”来表示强调： He does know the place well．他的确很熟悉这个地方。 Do write to me when you get there．你到那儿后务必给我来信。 2．用形容词very，only，single，such等修饰名词或形容词来加强语气： That's the very textbook we used last term．这正是我们上学期用过的教材。 You are the only person here who can speak Chinese．你是这里唯一会讲汉语的人。 Not a single person has been in the shop this morni ng．今天上午这个商店里连一个人都没有。 How dare you buy such expensive jewels？你怎么敢买这么贵的宝石呢？ 3．用ever，never，very，just等副词和badly，highly，really等带有－l y的副词来进行强调： Why ever did you do so？你究竟为什么要这么做？ He never said a word the whole day．一整天，他一句话也没说。 You've got to be very，very careful．你一定得非常、非常小心。 This is just what I wanted．这正是我所要的。
He was badly wounded．他伤得很严重。
I really don't know what to do next．我的确不知道下一步该怎么做。
4．用in the world，on earth，at all等介词短语可以表达更强的语气（常用于疑问句）：
Where in the world could he be？他到底会在哪儿？
What on earth is it？它究竟是什么？
Do you know at all？你到底知不知道？
5．用感叹句来表示强烈的感情，突出说话人的情感：
How interesting a story it is！这是一个多么有趣的故事啊！
Oh，what a lie！啊，真是弥天大谎！
practice
1. Is it _____ who wants to see you. A. him B. he C. his D. himself 2. It was _____ who respected all their teachers. A. them B. their C. they D. themselves 3. --- What is Mary --- Was it _____ that you were referred to A. he B. she C. her D. they 4. It _____ Mike and Mary who helped the old man several days ago . A. was B. are C. were D. had been 5. It _____ at Christmas that John Smith gave Mary a handbag. A. must have B. will be C. might have been D. may have had 6. ---Was it that new school master who walked by --- _____. A. It must be that B. It must have been C. He must be D. This must have been 7. _____ electricity plays an important part in our daily life A. Why was it that B. Why is it that C. Why is it D. Why it is that 8. Who was it _____ wanted to see me just now A. that B. who C. when D. when 9. _____ you met the foreigner from Canada A. Where it was that B. Who it was that C. Where was it that D. Where was that 10. It was not until late in the evening _____ her husband arrived home . A. which B. when C. that D. how 11. It was not until 1920 _____ regular radio broadcasts began. A. which B. when C. that D. since 12. It was not _____ she took off her dark glasses _____ I realized she was a famous film star.
A. when; that B. until; that C. until; when D. when; then 13. I can't quite remember _____ you started doing the work . A. that it was when B. when it was that C. when was it that D. that was it when 14. She wants to know if it is 600 miles an hour _____ the newest plane can go. A. which B. that C. when D. on which 15. Was it _____ he was seriously ill that he didn't come to school yesterday . A. although B. that C. because D. since 16. It was only when I reread his poems recently _____ I began to appreciate their beauty . A. until B. that C. then D. so 17. _____ he came back home that we knew what had happened . A. When it was B. It was when C. Was it when D. When was it 18. It was the training _____ he had as a young man _____ made him such a good engineer. A. what ; that B. that ; what C. that ; which D. which : that 19. It was _____ he said _____ disappointed me at that time. A. what ; that B. that ; that C. what ; what D. that ; what 20. It was through Jack _____ Mary got to know Bob . A. who B. whom C. how D. that 21. It was _____ great care that they did the job.
A. for B. about C. with D. in 22. It was on October 1st 1949 _____ new China was founded . A. which B. when C. as D. that 23. Was it in this palace _____ the last emperor died A. that B. in which C. in where D. which 24. It was the school gate ______ I met an old friend of mine after class . A. that B. which C. where D. why
25.?Was?it?during?the?World?War?Ⅱ____?he?died??? a.?in?which?? b.?which? ?c.?that?? ?d?.when 26.?It?was?the?way?he?asked?___really?upset?me.?? a.?that??????b.?it??????c.?so?that?????d.?what?
27.?Is?it?___?who?____wrong???? a.?I?…am????b.?I?…is?????c.?me?…is????d.?me?…am
28.?It ____?Mike?and?Mary?who?helped?the?old?man.?? a.?are?????b.?was????c.?that??????d.?how
29.It was in the village we used to lie the accident happened.
A. Where / that B. which / that C. That / where D. where / which
30. It was _____ the old worker came that we _____ the experiment.
A. until; didn’t begin B. not until; began C. until; began D. not until; didn’t begin
31.It is in the west of China _____ there is no doubt _____it is going to rain tomorrow.
A. where; whether B. that; that C. that; whether D. where; that
32. It was the training _____ he had as a young man ____made him such a famous writer.
A. when; that B. that; when C. that; who D. that; that
33. Was it she said or something that she did you were angry at so much.
A. What / that B. that / which C. That / what D. what / which
34. It was in Beihai Park they made a date for the first time the old couple told us their love story.
A. where ;that B. that ; where C. where; when D. that ; when
35. It is in Qingdao you are going to pay a visit to this kind of washing machine is produced.
A. / ; that B. where ; which C. / ; where D. what ; which
36.It was ___ he said ____disappointed me.
A. what ; that B. that; that C. what; what D. that; what
37. Is it in the factory _____ this type of cars are produced?
A. which B. where C. that D. /
28. Is it the factory______ this type of cars are produced ?
A. which B. where C. that D. /
39. _____ on Monday night that all this happened?
A. Is it B. It is C. Was it D. It was
40. It is I ____ singing in the garden.
A. who are B. who is C. that am D. that is
41. ---Why didn’t you answer when I spoke to you in the street this morning?
---I ___ but you didn’t hear me.
A. did answer B. didn’t want to answer C. couldn’t answer D. was too busy
42. It was 1969___ the American astronauts succeeded in landing on the moon.
A. that B. when C. on which D. which
43. It was about 600 years ago ______ the first clock with a face and an hour hand was made. (NMET 1997)
A. that B. until C. before D. when
44. It was only when I reread his poems recently _____ I began to appreciate their beauty. (NMET 1998)
A. until B. that C. then D. so
45. It is these poisonous products ______ can cause the symptoms of the flu, such as headache and aching muscles. (NMET 2003上海)
who B. that C. how D. what
46. Why! I have nothing to confess. _____ you want me to say? (NMET 2004上海)
A. What is it that B. What it is that C. How is it that D. How it is that
47. It was ______ back home after the experiment. (NMET 2004湖北)
A. not until midnight did he go B. until midnight that he didn’t go
C. not until midnight that he went D. until midnight when he didn’t go
48. It was with great joy ______ he received the news that his lost daughter had been found. (NMET 2004福建)
A. because B. which C. since D. that
选择题答案
1-5:BCCAC 6-10:BBACC 11-15:CBBBC 16-20:BBDAD 21-25:CDACC
26-30:aabAB 31-35:BDAAA 36-40:ACBCC 41-45:ABABB 46-48:ACD
课件18张PPT。Unit4--- Grammar:
Emphasis sentence
强调句It was my sister who first had the idea to cycle along the Mekong River.
It is the beautiful campus that made a strong impression on me.
Task 1:请讨论强调句的结构
对He met an old friend in the park yesterday.
句中可以强调的地方使用强调句进行强调
It +be(is/was)+被强调部分+that/who+剩余部分问题探究:什么时候用who? It was he who/that met an old friend in the park yesterday.? (强调主语)
It was an old friend that/who he met in the park yesterday.? (强调宾语)
It was in the park that he met an old friend yesterday.????? (强调地点状语)
It was yesterday that he met an old friend in the park.????? (强调时间状语)He met an old friend in the park yesterday. 问题探究:要想强调met怎么办?
He did meet an old friend in the park yesterday. 应借助于助动词do.Human activity has caused this global warming .
It is human activity that has caused this global warming .
Task 2:如何去判断强调句？------"It is (was)...that(who) "去掉，该句应该意思完整，不缺任何句子成分。 It was 7 o’clock when he came back. 他回来时7点钟了
It was at 7 o’clock that he came back. 他是7点钟回来的 it指时间 强调句，强调at 7 o’clock Checking points for Emphasis 结构
It+be+被强调部分+that(who)剩余部分
判断方法
去掉It+be…that(who)…剩下的部分可以组成一个完整的句子
特殊句型
Not until It+be+not until…+that…
一般疑问句 Be+it+被强调部分+that+剩余部分
特殊疑问句 疑问词+be+it+ that+剩余部分高考链接：
1.?(NMET 1997) It?was?about?600?years?ago______ ?the?first?clock?with?a?face?and?an?hour?hand?was?made.?
A.?that???B.?until???C.?before???D.?when A2.(2008全国II) It was in New Zealand ___ Elizabeth first met Mr. Smith.
A. that B. how C. which D. when
3.（2008天津卷） It was along the Mississippi River ____ Mark Twain spent much of his childhood.
A. how B. which C. that D. whereAC
She didn't remember her appointment with the doctor until she had arrived home.
It was not until she had arrived home that she remembered her appointment with the doctor.
问题探究:not until的强调句型是什么?高考链接1.(2005NMET)It?wasn’t?until?nearly?a?month?
later?______?I?received?the?manager’s?reply.
A．since????????B．when?????C．as?????D．that D2.(NMET1995) ?It?was?not?until?1920?______
regular?radio?broadcasts?began.
A.?while??????B.?which??????C.?that??????D.?since CTask3:请比较下列两个句子,看看有什么不同?分别是什么语法的句型?It was not until she had arrived home that she remembered her appointment with the doctor.
Not until she had arrived home did she remember her appointment with the doctor.强调句倒装句 It was not until she had arrived home ___
her appointment with the doctor.
A.did she remember
B.that she remembered
C.when she remembered
D.had she remembered典型例题B 请翻译:因为他处境困难玛丽才尽力帮助他。
Mary tried to help him because he was in trouble.
It was because he was in trouble that Mary tried to help him.
一般疑问句-----Was it because he was in trouble that Mary tried to help him?
划线部分提问----Why was it that Mary tried to help him?
----------------------------------Task4:请归纳强调句的一般疑问句形式和特殊疑问句形式! 1. (Shanghai 2004) Why! I have made all things clear. _______ you want me to say?
A.What is it that B. What it is that
C. How is it that D. How it is thatA2.Where was it ___ the road accident happened yesterday?
A.when B. that C. which D. howB3.Was it during the Second War __he died?
A. that B.while C. in which D. thenA It is I that need your help.
It is he that needs your help.问题探究:红色部分的区别是如何产生的?说明什么?例．It was not luck but difficulties that _____ him succeed.
A. makes B. makeBTask5:请归纳强调句的特点1.形式上有什么特点?
2.可以用来强调什么成分?
3.如何识别? 知识拓展: It was in the meeting that I got the news that we would have a new teacher.
It’s in the room____ the last meeting was held____we will have a meeting.
wherethat
-- When did you have that meeting?
-- It is in the meeting room___the last meeting was held.
A.that B.where C.which D.why B
Homework:
1.完成P29的第二个练习
2.发的练习.
3.学海导航第四单元语法部分.课件31张PPT。1. What do you think green house gases do?
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? 2.It is a rapid increase compared to most natural
changes. compare … with… 拿…和…比较compare … to … 把…比喻成…,我们常把儿童比作花朵。We often compare children to flowers.如果你把这本字典和那本比较一下，你就会发现许多不同之处。
If you compare this dictionary with that one,
you’ll find many differences.compared with 与...相比
compared to与...相比, 被比喻成______ many women, she was indeed very fortunate.
Compare with B. Compared with
C. Comparing to D. Compare toB用作状语,表被动与其他商店相比，他们的价格算是比较低的。Their prices are lower than those in other shops.3.How has this ___________ and does it matter?come aboutcome about : 发生, 造成= happen无被动语态你能告诉我事情是怎么发生的吗?Can you tell me how the accident came about？How did the snow catastrophe come about?4. _____________________ the earth is becoming
warmer but there is fierce debate over…There is no doubt thatThere is no doubt that…一、作不可数名词,作"疑惑;怀疑”
①肯定句中doubt多接whether (一般不用if代替) 同位语从句。如:
There's some doubt ________he'll keep his promise. 他会不会信守诺言还难说。
She had her doubts ________the new book would sell well. 她怀疑新书是否会畅销。whetherwhether②否定句中doubt多接that同位语从句。
如:
There is no doubt ____ they will ask you for help. 毫无疑问,他们会请你帮忙的。
I have no doubt ____ you will succeed.
我毫不怀疑你会成功的。 thatthat二、作及物动词常用于下列句型中, 作"怀疑; 不能肯定; 不大相信"解, 一般不用进行时态。
①用于否定句或疑问句, 后接that引导的宾语从句。如:
I don't doubt ____ he is telling the truth.
我毫不怀疑他在讲真话。
Do you doubt ____ he will win the match?
你怀疑他会赢这场比赛吗? thatthat②用于肯定句,一般接whether 或if引导的宾语从句.如:
I doubt __________we will make a profit out of it.
我认为我们不可能从此事中获利。
We doubt __________she will be persuaded.
我们不知道她会不会被说服。whether/ifwhether/if5. phenomenon
phenomenan. (单数) 现象；n. (复数) 现象；雨雪是天气现象。Rain and snow are __________ of the weather. phenomena6. subscribe to 同意 ;赞成；订购 常用于疑问句和否定句
I’ve never subscribed to the theory that people are more important than animals.
我从来没有同意过人比动物更重要的理论。
2) I don’t subscribe to the idea that money brings happiness.
我不同意金钱能带来快乐的观点。7. Some byproducts of this process are called “greenhouse” gases, the most important one being carbon dioxide.
the most important one being carbon dioxide 是一个独立主格结构，由名词+分词构成，在句中做补充说明或伴随的状况。________________(时间允许的话)，I will show you around the city.
__________________(今天是星期天)，I don’t have to go to work.
___________________________ (没有人要说的话)，the meeting was closed.Time permittingToday being SundayNobody having any more to say这是一个含蓄虚拟条件句有时假设的情况并不以条件从句形式表示出来，而是通过一个介词短语或其他方式表示。常用的词或短语有：without, but for，but that，otherwise，or，but等。
Without your help ( = If we had not had your help)，we could not have succeeded．
要是没有你的帮助，我们是不会成功的。 8.Without the ‘green house effect’, the earth would be about 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。 He was having a meeting with his students；otherwise he would have come.
他当时正与他的学生进行讨论，否则的话他就来帮我们了。 He felt very tired yesterday, or he would have attended the party．
他昨天很累, 不然他就参加那个聚会了。9. The problem begins when we add huge
__________ of extra carbon dioxide to the
atomosphere by burning …quantities 我重质量胜过重数量。I prefer quality to quantity.quantities of +可数/不可数名词 + 复数谓语
a (large/great) quantity of +可数/不可数 +单谓/复谓她要多少?What quantity does she want?in quantity 大量many a/an +可数名词单数+单v.many, a good many , quite a few, a great number of ,scores of ,dozens of+可数n.+复v.much,a great deal of,a great amount of +不可数n.+单v.a lot of ,lots of, plenty of, a great quantity of, quantities of +可数n./不可数n. 9. It means that more heat energy tends to be trapped in the stmosphere causing the global temperature to go up. 它意味着更多的热能将被困在大气层中，从而引起全球气温上升。
动词tend后面跟不定式，表示“有…的倾向，有…的习惯”，或译为”倾向于，趋于”。如：
It tends to snow heavily here in winter.
这里的冬天往往雪下的很大。
trap诱捕; 使陷入困境；留住。如：
Sand and leaves trapped the water in the stream. 沙石和树叶淤住了溪流。
They finally trapped the mouse in a cage. 最后，他们用罩子把老鼠逮住了。10. They also believe it is the burning of more and
more fossil fuels that is ___________ this increase
in …resulting inresult in 产生, 导致 (= cause / lead to )主语为起因, in的宾语为结果.努力终归成功。
Hard work results in success.result from 由…引起，产生主语为结果, from 的宾语为起因His sickness was caused by eating too much.
= His sickness resulted ______eating too much. (in / from)fromresult in result from as a result as a result of The earth is becoming warmer. , London would become a water city.
The rise in the sea level would global warming.
Global warming would the rise in the sea level.
global warming, London
would become a water city.As a resultresult fromresult inAs a result of11. He ________ that any warming will be mild with few bad environmental ____________.
predictsconsequencesconsequencein consequence
in consequence of 结果由于…的缘故12. state v. 陈述, 声明；
n. 状况/情况; 国家; 州
+n.
state +that从句
+wh-从句；他已公开声明他会支持那项政策。
He has publicly ______ _____ _____ for the policy.stated his support2.我听见那位官员说不接纳儿童。
I heard the official state that they would not accept children.
3. 合同清楚地叙述了那项工作应在何时完成。
The contract stated when the work should be finished.13. rangev. 排列, 使成行；偏袒，站在…的方面。
n. 范围(尤指从…到…各种种类, 可供选择的范围等，可加不定冠词) ；排列
beyond the range of…超越……的范围
out of one’s range 某人达不到的
这家商店商品品种多。
The shop keeps____________________.a wide range of goods14.Greenhouse gases continue to build up in the atmosphere. 温室气体继续在大气层中聚集。build up 逐步建立，增加，增进
build up one’s fortune
build up one’s strength
build up the business
This built up my hope after the interview.
Sediment (沉淀物)builds up on the ocean floor.collect 累积, 收集 养精蓄锐累积财富扩大, 发展 增加, 支持, 树立15.Even if we start reducing the amount of carbon dioxide and other greenhouse gases, the climate is going to keep on warming for decades or centuries.
即使我们开始减少二氧化碳和其他温室气体的含量，在（未来）几十年或几个世纪内，气候仍会持续转暖。even if (也作even though) 即使；尽管。引导状语从句。如：
Jody had all these feelings even if she had no way to express herself. 即使乔迪没有办法表达自己，她还是感受到了这一切。
Believe us. We will back you to the end even if you fall. 相信我们，即使你失败，我们也支持你到底。16. keep on doing 继续做某事 （=continue/go on doing）。如：
We kept on studying late into the night. 我们坚持学习到深夜。
keep on doing 与keep doing 在意思和用法上大致相同，经常可以互换使用。但在表示“连续不断或持续的状态”时，常用keep doing; 而在强调“继续干某事”（尽管动作是时断时续的）时，常用keep on doing。如：
You should keep waiting here until he comes. 你应当在这里一直等到他来。 Homework:
1.Exercises on page 63-64.
2.学海导航写到70页.Language points in warming up and reading 1 in Unit 4 in book 6
1. What do you think green house gases do?
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?
2.It is a rapid increase compared to most natural changes.
compare … with… _______________ compare … to … _________________
我们常把儿童比作花朵。_______________________________________________.
如果你把这本字典和那本比较一下，你就会发现许多不同之处。
_______________________________________________________________________.
______ many women, she was indeed very fortunat.
A.Compare with B. Compared with C. Comparing to D. Compare to
compared with _____________ compared to_____________________
3.How has this ___________ and does it matter?
come about _____________= happen
你能告诉我事情是怎么发生的吗?___________________________________________.
How did the snow catastrophe ____________________?
4. _____________________ the earth is becoming warmer but there is fierce debate over…
There is no doubt that…
一、作不可数名词,作"疑惑;怀疑”
①肯定句中doubt多接whether (一般不用if代替) 同位语从句。如:
There's some doubt ________he'll keep his promise. 他会不会信守诺言还难说。
She had her doubts ________the new book would sell well. 她怀疑新书是否会畅销。
②否定句中doubt多接that同位语从句。如:
There is no doubt ____ they will ask you for help. 毫无疑问,他们会请你帮忙的。
I have no doubt ____ you will succeed. 我毫不怀疑你会成功的。
二、作及物动词常用于下列句型中, 作"怀疑; 不能肯定; 不大相信"解, 一般不用进行时态。
①用于否定句或疑问句, 后接that引导的宾语从句。如:
I don't doubt ____ he is telling the truth. 我毫不怀疑他在讲真话。
Do you doubt ____ he will win the match? 你怀疑他会赢这场比赛吗?
②用于肯定句,一般接whether 或if引导的宾语从句.如:
I doubt __________we will make a profit out of it. 我认为我们不可能从此事中获利。
We doubt __________she will be persuaded. 我们不知道她会不会被说服。
5. phenomenon
phenomena
雨雪是天气现象。
Rain and snow are __________ of the weather.
6. subscribe to 同意 ;赞成；订购 常用于疑问句和否定句
I’ve never subscribed to the theory that people are more important than animals.
___________________________________________________________.
2) I don’t subscribe to the idea that money brings happiness.
_______________________________________________________.
7. Some byproducts of this process are called “greenhouse” gases, the most important one being carbon dioxide.
the most important one being carbon dioxide 是一个独立主格结构，由名词+分词构成，在句中做补充说明或伴随的状况。
________________(时间允许的话)，I will show you around the city.
__________________(今天是星期天)，I don’t have to go to work.
___________________________ (没有人要说的话)，the meeting was closed.
8.Without the ‘green house effect’, the earth would be about thirty-three degrees Celsius cooler than it is.
这是一个含蓄虚拟条件句有时假设的情况并不以条件从句形式表示出来，而是通过一个介词短语或其他方式表示。常用的词或短语有：without, but for，but that，otherwise，or，but等。
Without your help ( = If we had not had your help)，we could not have succeeded．
___________________________________________________________.
But for electricity (= If there were no electricity)，there would be no modem industry．
____________________________________________________________________.
He was having a meeting with his students；otherwise he would have come.
_______________________________________________________________.
He felt very tired yesterday, or he would have attended the party．
____________________________________________________.
9. The problem begins when we add huge __________ of extra carbon dioxide to the
atomosphere by burning …
1).我重质量胜过重数量。________________________________________________.
2). 她要多少?_________________________________________________.
quantities of +可数/不可数名词 + 复数谓语
a (large/great) quantity of +可数/不可数 +单谓/复谓 in quantity 大量
many a/an +可数名词单数+单v.
many, a good many , quite a few, a great number of ,scores of ,dozens of+可数n.+复v.
much,a great deal of,a great amount of +不可数n.+单v.
a lot of ,lots of, plenty of, a great quantity of, quantities of +可数n./不可数n.
9. It means that more heat energy tends to be trapped in the stmosphere causing the globaltemperature to go up. 它意味着更多的热能将被困在大气层中，从而引起全球升。 动词tend后面跟不定式，表示“有…的倾向，有…的习惯”，或译为”倾向于，趋于”。如：
It tends to snow heavily here in winter. ___________________________________________.
trap诱捕; 使陷入困境；留住。如：
Sand and leaves trapped the water in the stream. ___________________________________.
They finally trapped the mouse in a cage. __________________________________________.
10.They also believe it is the burning of more and more fossil fuels that is ___________ this increase in …
result in ________________(= cause / lead to ) 主语为起因, in的宾语为结果.
努力终归成功。___________________________________________.
result from __________________________主语为结果, from 的宾语为起因
His sickness was caused by eating too much.
= His sickness resulted ______eating too much. (in / from)
用下列词填空
result in result from as a result as a result of
The earth is becoming warmer. , London would become a water city.
The rise in the sea level would global warming.
Global warming would the rise in the sea level.
global warming, London would become a water city.
11．He ________ that any warming will be mild with few bad environmental ____________.
consequence
in consequence
in consequence of
12. state v. 陈述, 声明； n. 状况/情况; 国家; 州
+n.
State +that从
+wh-从句；
他已公开声明他会支持那项政策。
He has publicly ______ _____ _____ for the policy.
2.我听见那位官员说不接纳儿童。
I heard the official state ___________________they would not accept children.
3. 合同清楚地叙述了那项工作应在何时完成。
The contract stated____________________the work should be finished.
13. range
v. 排列, 使成行；偏袒，站在…的方面。
n. 范围(尤指从…到…各种种类, 可供选择的范围等，可加不定冠词) ；排列
beyond the range of…超越……的范围
out of one’s range 某人达不到的
这家商店商品品种多。The shop keeps________________________________.
14.Greenhouse gases continue to build up in the atmosphere. 温室气体继续在大气层中聚集。
build up 逐步建立，增加，增进
build up one’s fortune_________________________
build up one’s strength___________________________
build up the business__________________________
This built up my hope after the interview.
Sediment (沉淀物)builds up on the ocean floor.
15.______________ we start reducing the amount of carbon dioxide and other greenhouse gases, the climate is going to keep on warming for decades or centuries. 即使我们开始减少二氧化碳和其他温室气体的含量，在（未来）几十年或几个世纪内，气候仍会持续转暖。
even if (也作even though) 即使；尽管。引导状语从句。如：
Jody had all these feelings even if she had no way to express herself.
____________________________________________________
Believe us. We will back you to the end even if you fall.
__________________________________________________________.
16. keep on doing 继续做某事 （=continue/go on doing）。如：
我们坚持学习到深夜。_____________________________________________.
keep on doing 与keep doing 在意思和用法上大致相同，经常可以互换使用。
但在表示“连续不断或持续的状态”时，常用keep doing; 而在强调“继续干某事”（尽管动作是时断时续的）时，常用keep on doing。如：
You should keep waiting here until he comes. _______________________________________.
课件9张PPT。Answer keys for Ex.1 on Page 28:Checking answer – I (2m)trendfuelstateconsumeglance12221Answer keys for Ex.2 on Page 28:Checking answer – II (3m)data, kept on
quantities, run out
build up, catastrophe
come about
consequence
phenomenon
graph
per
even if
resulted inDiscovering useful structuresPage 29Answer key for exercise 1:It was a scientist called Charles Keeling, who made accurate measurements of the amount of carbon dioxide in the atmosphere from 1957 to1997.
… it is the burning of more and more fossil fuels that has resulted in this increase in carbon dioxide.It is scientists who warned that greenhouse gases would warm the earth by trapping heat energy in the atmosphere.
It is the greenhouse effect that gives the earth’s surface the average temperature of 15℃
It is fossil fuels that much of the energy used to light and heat our homes comes from.
It is the developed countries that consume the most energy in the world.
It is for centuries that carbon dioxide has the tendency to stay in the atmosphere while other greenhouse gases stay in the atmosphere only for a day or less.Answer key for exercise 2 on page 29: It is their very existence that low-lying countries feel is in danger from rising sea levels.
It is environmentalists who have tried to stop the earth’s temperature rising.
It is future climate changes and their effects on our environment that scientists want to find out about.
It is by several metres that the level of the sea could rise in the years ahead because of global warming.
It is outer space that might provide us with new energy sources in the future.Using words and expressionsSuggested answers to exercise 1:Page 63I think our conference was very successful on the whole. Professor Brown’s presentation was warmly received.
There is a wide range of energy sources: coal, oil, natural gas, water power, nuclear power and so on.
Since your bicycle is broken, you can use mine, so long as you take care of it.
Sue often buys food at the nearby store and heats it in the microwave for lunch. Then she drinks a can of coke to refresh herself and goes back to the office.I would like to thank Mr Smith on behalf of the school for his work as a scholar, an engineer and educator.
She is opposed to war, cruelty to animals, racism and so on with a commitment to help all living things.
His programme has been passed smoothly because most of the representatives in the conference subscribed to it.
In recent years, the winter temperature in this region tends to go up, and one of the main reasons which have resulted in this consequence is the air pollution.His main contribution to our country is that he suggested on controlling population growth.
The chairman of the conference stated that though the people at present are in disagreement on some issues, they are in agreement with each other on environmental protection.
The existence of life in outer space is still a mystery.
Experts said that the global temperature would show a tendency to increase.Suggested answers to exercise 2:mild,
circumstance,
flood,
catastrophe,
steadily,
casual,
average, widespread,
electrical,
motor,
advocated,
put up with,
kept on
