1、 Unit 3 The environment.学习目标1. Unit 重点单词、短语2. 目的状语从句的用法.重点、难点分析1.Our world is in danger.我们的世界处于危险中。 in danger 在危险中，濒危This kind of bird is in danger. We need to do something to protect them.拓展 out of danger 脱离危险He is out of danger now.2.The atmosphere around the Earth is necessary for all living thin
2、gs.sth. is necessary for sb/ sth对于某人而言，干什么是必须的。Water is necessary for fish.拓展：Its necessary for sb. to do 对于某人而言，干什么是必须的Its necessary for us to go to school on time. living things 生物，living adj 活的，活着的They are like living textbooks for young people.辨析：living 和alive两者都为形容词，living活的，活着的，即可作表语又可作定语，既可以用
3、于指人也可以用于指物。而alive 活的 不用于名词前，只做表语。They are living and as happy as ever.他们都还活着，并且跟以前一样快活。Luckily, the boy is still alive. 幸运的是，那个男孩还活着。3. As a result of the greenhouse effect, the Earths temperature is increasing.as a result of 由于，作为的结果，与because of 同义。He died as a result of his injuries.他由于受伤而死亡。辨析：as
4、 a result of 和 as a result as a result of 介词短语 由于，后跟名词、代词等as a result 副词短语 结果，后跟事情的结果I was late as a result of the heavy rain.He got up late today. As a result, he missed the early bus.increase 增长、增多增加 此处是不及物动词 The population of the world is increasing fast. 拓展：increase by 增长了，by后接百分数、倍数或增长的幅度;incre
5、ase to 增长到， to后接具体的数字They increase the price by 20.The population of our country has increased to 1.3 billion.4.In order to protect the environment ,we need to take proper action.proper adj. 正确的； 恰当的I didnt think it was proper to ask for the ladys telephone number so soon.我认为这么快就要那位女士的电话号码不太合适。同根词 p
6、roperly adj. 正确地，合适地She can read German but has trouble speaking it properly.4. Every year, we destroy nature by cutting down huge areas of foreasts.nature n. 自然界，大自然We like camping, it makes us feel closer to nature.Our purpose is not only to conquer nature but also to remake nature.我们的目的不仅要征服自然，而且
7、还要改造自然。同根词 natural adj. 自然的，天然的Dont worry .Its a natural phenomenon. 别担心，这是自然现象。We must protect the natural environment.6. If we just learn to live in new and different ways, we can make a difference.Make a difference 有作用，有影响，与众不同The easiest way to make a difference is not to throw rubbish away.It d
8、oesnt make a difference to you, does it?7. I am concerned too.be concerned 关心，担心，挂念，concerned为ad,通常与for和about 连用，与be worried about 同义。Dont be concerned about/for me.8.This causes sea level to rise, and in the future may cause cities to disappear.辨析：in future和in the futurein future:相当于from now on 今后,
9、从今以后I hope theyll be more cautious in future, he observed. Keep your opinions to yourself in future!in the future:在将来The boy wants to become a philosopher in the future.We learn from the past, experience the present and hope for success in the future.我们从过去中学习，体验现在，展望未来的成功。 Ex.1一 根据句子的意思，用所给词的适当形式填空。
10、1.Its clear that _（nature）disaster is one of the reasons to the economic crisis.2.In order to protect the water resources, we need _(take) proper action.3.Our environment is _ (danger) if we dont stop polluting it.4.Cutting down trees also _(destroy) the homes of animals.5.I dont doubt that the poli
11、ce acted _(proper)6.The food industry is playing more attention to young _(consume).7.It causes the surface of the soil to be _(easy) destroyed by rain.8.We can help protect the environment if we change our bad _ (habit).9.As a result of the earthquake, many people _ (leave) homeless.10The governmen
12、t has decided _ (increase) salaries for all civil servants. 语法like & same & different语法梳理A、“The same”and “different”. 如果两个或两个以上的事物是完全相同，英语中可以用the same 表达，如果不相同，我们可以用different 表达。The same 和 different可以做形容词做表语或者做定语修饰名词代词等, the same 后面常接单数名词而different 后常接复数名词. We are in the same school,but we are in di
13、fferent classes.B、“like”，“the same as”和“different from”说明事物或人物之间存在某种程度的相似性，我们常用“like”或“be like；look like“,像；看起来像”。说明事物或人物完全相同，我们常用：“the same as”。既不相似也不相同，我们常用：“be different from”。He ran out _ an arrow.（像）Its _a special music, sounds great!（像）Mr Jiangs computer and my computer are _in size, his is bi
14、g and mine is small.（不同）An MP3 player _ _ _ a CD player, an MP3 player doesnt use discs.（不同于）My bike _ _ _ as yours.(相同）This suit looks _ _ _ that one.(相同）C、“the same as” 我们可以把名词或短语放在the same之后，构成the same+n./phrase+as句型。 My father works in the same company as her uncle.D. 总结句子结构：1. sth. + v. + the s
15、ame 这两首歌听起来一样。 _2. sth. + v. +different 这三个教室大小不一样。_3. sb. + v. + like + sth. 坐在那里的老人像块石头。 _4.sth.+v.+the same as +sth. 我衣服的颜色和你的相同。 _5.sth. + v. + different from + sth. 他们的房间和我们的不同。_6. the same + n .+ as 她和我犯了同一个错误。 _Ex.21. Peter is the same age _Paul.2. We should be different _them and use both si
16、des of paper.3. The cat in picture A is _(small) than the one in picture B.4. He is as tall _his father now.5. I can speak English as _(good) as French. 单元测试 一.单项选择1.We must do something to stop people from _.A.to throw litter about B. to throw litter intoC. throwing litter aboutD. throwing litter i
17、nto2. _the students in Zhejiang University are from foreign countries. A. Seven hundreds of B.Seven hundredsC.Seven hundred ofD.Hunderds of3. I have arranged for a car to _at the station. A.pick them upB.pick up themC.pick them onD.pick on them4.There were _ many horrible smells _I cant stay here mo
18、re than one minute. A.such; thatB.too;forC.too; soD.so; that5.When I _ ,I found myself _ a terrible place. A.wake up; in B.woke up; inC.fell asleep; atD.fall asleep; at6.Bob hasnt changed. He _ exactly _ he did at school.A.looks; the same as B.look; the same as C.looks; the same to D.has looked; the
19、 same as7. He _ his watch _ his pocket, and wanted to know the time. A.takesout ofB.tookout ofC.takesout withD.tookout with8.The seeds must be covered with _earth. A.a layer ofB.a lay ofC.a layer withD.a lay with9.This book _believable, interesting characters. A.is full withB.is filled ofC.is full o
20、fD.is full10. I feel lost and _ in a strange town_. A.alone; lonelyB.alone; aloneC.lonely; lonelyD.lonely; alone二语法选择How do people pass on messages? When you write a letter or make a telephone call, your words take a message. People communicate with words. Do you think you can communicate with words
21、? A smile 26 your face shows you are happy and friendly. Tears in your eyes tell 27 that you are sad. When you 28 your hand in class, the teacher knows you want to say something 29 ask questions. You shake your head, and people know you are saying no. You nod and people know you are saying yes.Other
22、 things can also give some information. 30, a sign at the bus stop helps you to know which bus 31 . A sign on the wall of your school helps you to find the library. Signs on doors tell you how to go in or out. 32 you ever noticed that there are a lot of signs around you and that you receive messages
23、 from 33 all the time? People can communicate in many other ways. An artist can use his drawings to tell about beautiful mountains, about the blue sea and many other things. Books 34 to tell you about all wonderful things in the world and also about people and their ideas. Books, magazines, TV and r
24、adio and films all help us to communicate with other people. They all help us to know 35 is going on in the world.11. A. in B. on C. at D. over12. A. others B. the others C. other D. the other13. A. put on B. put out C. put up D. put down14. A. when B. or C. but D. and15. A. For example B. Such as C
25、. However D. Even though16. A. to get B. to go C. to have D. to take17. A. Do B. Did C. Had D. Have18. A. it B. itself C. them D. themselves19. A. write B. wrote C. is written D. are written20.A. what B. which C. that D. who完型填空。 Last week I read a report on a charity show. The aim of the show was t
26、o_1_money for the poor children who were out of school_2_their families didnt have_3_money for their children. Many famous pop stars_4_the charity show, such as Jackie Chan and Lin Junjie. The stars didnt_5_any pay (报酬). They did that for free. There were a lot of performances, including singing and
27、 dancing. The audience were_6_excited that they clapped their hands (鼓掌) from time to time. Of course, the show was_7_ All the people followed the_8_examples. They gave their money to the charity show. Both the ticket money and the donated money would be sent to the poor areas and some of the poor c
28、hildren would go back to school. Now many charity shows_9_in our country, not only to support education in poor areas but also to help people in trouble. I hope the whole world will become more and more beautiful_10_ peoples help.( ) 21. A. pay B. raise C. give D. spend( ) 22. A. but B. so C. becaus
29、e D. and( )23. A. too many B. enough C. much too D. many( ) 24. A. join B. take part in C. took part in D. joined( ) 25. A. ask for B. hand out C. worry about D. cost( ) 26. A. very B. such C. so D. quite( ) 27. A. important B. successful C. tiring D. boring( ) 28. A. stars B. stars C. stars D. audi
30、ences( ) 29. A. are held B. hold C. are holding D. are giving( ) 30. A. under B. with C. without D. by四阅读理解。 A1970 was World Conservation Year. The UN wanted everyone to know that the world was in danger - they hoped that governments would act quickly in order to conservenature. Here is one example
31、of the problem. At one time there were 1,300 different plants, trees and flowers in Holland, but now only remain 860. The others have been destroyed by modern man and his technology. We are changing the earth, the air and the water, and everything that grows and lives here. We cant live without thes
32、e things. If it continues like this, we shall destroy ourselves.What will happen in the future? Perhaps it is more important to ask What must we do now? The people who will be living in the world of tomorrow are the young of today. A lot of them know that conservation is necessary. Many are helping
33、to save our world. They plant trees, build bridges across rivers in forests, and so on. In a small town in the United States a large group of girls cleaned the banks of 11 kilometers of their river. Young people may hear about conservation through a record called NO ONES GOING TO CHANGE OUR WORLD. I
34、t was made by the Beatles and other singers. The money from it will help to conserve wild animals.31. The UN set up World Conservation Year because_. . A. the world was in danger of warB. the government had done something to protect the worldC. many things were destroyed by the technologyD. man and
35、his technology destroyed the earth badly 32. _kinds of plants have disappeared in Holland in the past few years. A .860 B. 440 C. 1,300 D. 2,160 33. NO ONES GOING TO CHANGE OUR WORLD is_. . A. a record B. a song C. a book D. a CD 34. It is impossible to save our world if we_. . A. plant trees B. cle
36、an the banks of riversC. picking rubbish D. listen to the record 35. The passage mainly tells us_. A. the people who will be living in the world of tomorrow are the young of todayB. what will happen in the world in the futureC. conservation of nature is necessaryD. everyone has known the importance
37、of conservation of nature since 1970 BGasoline (汽油) prices are getting higher and higher. The prices make it hard for drivers to afford the fuel.One group held a special event to display（展示）new kinds of cars .The new cars are different and they can run on many different kinds of fuels.Some of these
38、cars are called hybrids(混合动力). They can run on different kinds of fuels. One kind of them runs on a special fuel cell which is filled with a gas called hydrogen. The fuel cell cars are also better in another way. They give off no emissions（排放物）. They are very clean, and dont give off bad fumes when
39、they are running.One man who makes fuel cell cars is excited about the hydrogen fuel cell technology. He says we will never run out of the sources of the fuel ,but we may run out of the oil.Once we use oil up, it will take millions of years for more oil to form. Since gasoline is made from oil, that
40、 could be a problem for companies that make traditional cars , and for drives .However, it wont be a problem for cars that run on fuel cells.Buses that run on hydrogen fuel cell power are being tested on the road. They could become a common form of transportation in the near future36.From the first
41、paragraph we know that_A.cars are more expensive nowB.people are poorer now than beforeC.drivers have to pay more to fill their cars with gasolineD.its useless to have a car37.What does the underlined word “hydrogen” mean?A. 氢 B. 磷 C.钾 D. 钙38.Which of the following is not the advantage of the hydrog
42、en fuel cell car?A. Its better to the environment to drive it.B. We will never use up the source of the fuel.C. It can avoid road accidents.D. It doesnt give off bad fumes when it runs.39.Whats the problem for traditional cars?E. Oil will be used up.F. Traditional cars will be forbidden to drive. G.
43、 Its hard to learn to drive.H. Fuel cell cars have more advantages.40.Whats the main idea of the passage?I. Traditional cars polluted the environment badly.J. Gasoline becomes more and more expensive.K. A special fuel cell is very useful.L. A new kind of cars will replace the traditional ones. CI cant remember when I started collecting litter（垃圾）. But it was when I got tired of seeing li
