仁爱九年级Unit2topic3SavingtheEarth重点语言知识点总结整理版

1、Unit2 Topic 3What can we do at home to p rotect the environment语法重点：并列句：是由并列连词把两个或两个以上的简单句连在一起构成的句子，连词前可用逗号, 也可不用逗号。通常由and, but,while,or,so等连词来连接。如：and, not only, but also,等。如:1表示并列关系，动作先后关系，常用连接词有His father is a teacher and his mother is a doctor.他的父亲是一位老师，母亲是一位医生。Mr. Gree n can not only drive a ca

2、r but also rep air it.格林先生不但会开车而且还能修车。2. 表示转折，常用连词有but, while等。如：I bought my sister a present, but she didn t like it.我给妹妹买了一件礼物，但是她并不喜欢。Tom does housework every day while his sister does nothing.汤姆每天都做家务活，而他的妹妹什么也不做。3. 表示选择关系，常用连词有or, either, or,等。如：He sp eaks Fren ch, or p erha ps he un dersta nds

3、 it.他会讲法语，或者懂法语。 Either he could n ot come or he did n ot want to.他要么是不能来要么是不想来。4. 表示因果关系，常用连词有so, for等。如：Her mother is ill, so she has to stay at home and look after her mother.她母亲病了，所以她不得不呆在家里照看她。The ground is very wet, for it rained last ni ght. 地面很湿，因为昨晚下雨了。 考题链接：he p lays sports every day.1. My

4、 father has a great sp orts collection,A. or B. but C. and2.lt gett ing dark,they are still work ing.A. and B. but C. so D.or3. Take more exercise,you will be healthier.A.but B. For C.a nd D.so4. Finish your homework,you can tplay computer games, Jim.A. but B. till C. and D. ora few questio ns 些问题 p

5、rotect environment 保护环境both sides of ,” 的两面一、重点短语environmental protection 环境的保护work for, 为”工作spread the message about宣传有关，reduce the waste/air pollution 减少浪费 /空气污染reuse plastic bags 减少使用塑料袋save money/ energy/ electricity 省钱 / 能源 / 电encourage sb.to do sth鼓励某人做某事soft drink cans 饮料罐子Waste paper废纸 sort.

6、into.把.分成 be harmful to= do harm to.对.有害Fail the exam 考试不及格nod/shake the head点头/摇头 hurry up赶快、快点Several times 几次 give up (doing) sth 放弃(做)某事二重要句子.,my main job is to help我主要的工作是帮助做有关保护环境的宣传。We should use both sides of paper and reuse p lastic bags.Recycli ng can p rotect the environmen t,a nd

7、it can save mon ey,too.He has failed several times. But he never gives up.他已经失败几次了。但他从不放弃。三、重点语言点1. We all know that you re working for an organizations that protects the environment.我们都知道你在为环保组织工作。work for,表为”工作”He works for a foreig n company in Shan ghai. 他在上海为一家外资公司工作。2. We should use both sides

8、 of paper, and reuse plastic bags rather than throw them away.我们应该把纸的两面都使用，将塑料袋再次使用而不是轻易扔掉。a) both修饰复数名词；而 either修饰单数名词；女口：There are a lot of trees on both sides of the road.=There are a lot of trees on either side of the road. 在路的两边有许多树。Section B一.重点短语a greener person 环保者 ought to do sth.应该做某事 shut

9、 off 关掉 Had better do sth最好做某事 ride a bike骑自行车 in stead of.而不是/代替 Travel a short distanee 短途旅行save energy 节约能源as.as.和R 一样二重要句子I. First, you ought to shut off the electricity whe n you leave a room.首先，你离开房间在时候应该随手关灯。2.Sec on d,youd better walk or ride a bike in stead of tak ing a bus or a taxi if you

10、 travel a short dista nee.第二，如果你短途旅行，最好步行或骑车而不是乘公共汽车或出租车。3t is so easy to be a gree ner person成为一名环保使者真容易。4. Easier said than done说起来容易，做起来难5. Actions speak louder than words. 行动胜于雄辩三.重点语言点1. First, you ought to shut off the lights when you leave a room. 首先，当你离开房间的时候， 该随手关灯。ought to情态动词，表应该；应当”；语气比s

11、hould强;指道义上应该做的事，有时含有 责备或督促的语气。should指主观上感到有责任或义务去做。如：You ought to help your mother do some housework.你应该帮你妈妈做些家务。We should study hard.我们应该努力学习。其否定式和疑问式：You oughtn t to get up so late in the morning.你早晨不应该起这么晚。Ought I to tell her the bad news?我该告诉她坏消息吗？Yes, you ought. No, you oughtn t.2.It so easy t

12、o be a gree ner person.句型：It is/was+ adj.+to do sth 做某事是 .的。句型中it为形式主语，真正主语为：to be a greener p erson.注意和It is + adj+ (of sb) to do sth。 It在这里也是作为形式主语，真正主语为不定式。区别:在使用时要注意 adj是说明sb的品质特点的还是说明to do sth的就可以了 .说明sb的品质特点用 of sb;说明 to do sth用 for sb.,简单一句话说就是：说人的用of sb.说事的用for sbo考题链接:()1. We think it is di

13、fficultthemthe charity walk without team spirit.(2010南通)A. for; to finishB. of; to finishC. for; fini shi ngD. of; finishing3.after all毕竟，终归E. g He is a child after all.毕竟，他还是个孩子。Section C-D3. Everyday lives 日常生活 Up to 30 days 长达 30 天从”获得能量2.nuclear energy核能5.一.重要词汇I. produce power from ,4. use sth

14、to do sth用某物做某事6. too.to.太而不能7. In the near future 在不久在将来8. reach a speed of +具体数字 达到某种速度at a speed of以某种速度9. run out 用光、耗尽10.be used for doing sth = be used to do sth 被用作做某事II. Face many difficulties 面临许多困难12.different types of.不同种类的.13.even though 即使，尽管 14.renewable energy 可再生能源 15. In 50 years 50

15、 年后二. 重要句子1.To solve the energy p roblem, people all over the world are looking for new ways to p roduce po wer.2. This renewable energy is used in peoples everyday lives.3.It can not only p rotect the environment but also save energy.4.The train can reach a top sp eed of 431km per hour.三. 重点语言点1.在文

16、中划出下面的句子并分析Some coun tries use n uclear en ergy to p roduce po wer.译:点拨：use sth. to do sth.=use sth. for doing sth.-使用某物做某事练习：a.在过去人们使用竹子写字.Peoplebambooin th p ast.b.人们用风发电。 Peoplewindp roduci ng electricity.区别：还有一些介词也可表示用”，如：in, by, withwi nda. You can solve the problem in this way. 译:b.You can buy

17、 lots of things with the mon ey. 译:c.My father goes to the office by car. 译:2 The cost is high.译： 点拨：cost a little-花销很少花销太高-练习：在大城市生活花销太高。to live in big cities.3.lt is too small to hold ma ny peo pie 它太小，不能承载太多的人。 Too.to太.而不能.“主语（人）+谓语动词+to0+形容词/副词+ to do sth.”这个句型是too.to结构最基本的常用句型。主语是动词不定式的执行者，too后

18、接形容词或副词原级，有时too后也可跟一个起形容词作用的过去分词，to后接动词原形。如:The boy is too young to go to school. 这男孩年龄太小，不能上学。He walks too slowly to get there on time. 他走得太慢，不能按时到达那儿 hold（V）.有多种含义。A.容纳，包含 e.g The plane holds about 300 passengers.这架飞机可容纳大约300名乘客。B.拿着，抓住，进行（比赛，会议等）e.g He was holding the baby in his arms.他抱着婴儿。C.召开，

19、举行，进行(比赛，会议等)。 E.g The Olympic Games are held ever four years.D.（打电话时）等待，不挂断 e.g Hold on,please.请等一下。3.It takes people just 7 minutes to go to the air port 30 km away. 译:点拨：花费大盘点1.） It takes sb.时间to do sth.-做某事花费某人，.时间2.)spend钱或时间（in） doing sth.-某人花费钱或时间做某事on sth.-某人在某物上花费钱或时间3.)pay钱for物-某人为某物付钱4.）考

20、题链接:cost钱-某物价值多少钱No, but I sp end much timemy homework.pl aying com pu ter games?Do you always sp end lots of timeA. on; in B. on; on C. in; on D. in; inThe bookI paid ten yuan for the book.（写出同义句 ）ten yua n.ten yua nthe book.4. The train can reach a top sp eed of 431 km per hour.点拨：reach a sp eed o

21、f+具体速度 -达到某个速度译:链接:at a speed of +具体速度-以某个速度，可用high, low, full 等形容词修饰 speed。练习:a.北京至天津线火车时速达到每小时300千米。300 km per hour.Beiji ng-Tianjin trainb.我们以每小时30英里的速度前进。We were traveli ngthirty miles per hour.5. However, maglev guide p aths are much more exp ensive than traditional steel railways.译: 点拨：形容词前可加

22、a lot, much, far, a little ,even等词修饰；还可在形容词比较级前加表数量的词。练习：a.Don t go by plane. It s a lot more expensive.译:b. His ill ness is far more serious tha n we thought.译:c. It s a little colder today than it was yesterday.译:d. It was cold yesterday, but it s even colder today.译:e. My sister is two years youn

23、 ger tha n me.译:6.lt n eeds its forests to remove carb on dioxide from the air 译.点拨：“need ”作为实义动词时，通常用法是: 人+ need + to do物+ need + doing物+ need + to be done另外，“need”后还可以直接跟名词。请看下面的例子:(1). We need to collect the parcel before we leave for England .去英国之前，我们需要收拾好行李。(2). We need(tell) him the truth .我们需要告诉他真相。(3) . My car needs repairing .我的汽车需要修理。(4) . The flowers need watering .这些花需要浇水。(5) . His leather shoes needs.(mend).他的皮鞋需要修补。(6) . Her room needs(clean).她的房间需要打扫。7. They pl ant different types of trees so