仁爱版九上U2知识点.docx

Unit2 Saving the earthTopic1 Pollution has caused too many problems.1 常用词组1. cut down 砍倒2. pour into 倒入；投入 pour away 倒掉3. be harmful to= do harm to 对.有危害4. too many 太多的， 修饰可数名词的复数 too much 太多的，修饰不可数名词 much too 太.，修饰形容词和副词5. have a pain in the+身体部位 .部位疼痛6.in a mess 乱七八糟； 一团糟7.There be sb./sth. doing sth. 有某人或某物正在做某事8.have a picnic 进行一次野餐9.Whats worse 更糟的是 Whats more 而且；更为重要的是10.in a good mood 心情好 in a bad mood 心情差11. cant bear doing sth 不能容忍做某事12. anyway：作副词，通常用于转换话题，结束谈话或回到原话题 意为“无论如何；无论怎样；反正”。13. solve the problem 解决问题14. by the way 顺便说一下15. write to sb.=write a letter to sb. 给某人写信16. had better (not) do sth. 最好(不)做某事17. care for 关注；关心；照顾18. throw around 乱扔.19. hope to do sth 希望做某事 hope that + 从句 希望. wish to do sth 希望做某事 wish sb to do sth 希望某人做某事 wish that + 从句 希望.20. in todays world 在当今世界21. not all 不是所有的.22. a kind of 一种23. go deaf 变聋24. lose ones hearing=have hearing loss 丧失听力25. quite a few=many （不少的）许多的，修饰可数名词 quite a little =much 许多的，修饰不可数名词26. Its reported that 据报道. Its said that 据说. Its believed that 人们相信. Its well-known that 众所周知.27. no better than=almost as bad/badly as 同.一样坏；不比.做得好 Lucy did no better than Lily in the exam.28. 65-year-old people 65岁的人29. in public 在公共场所30. try to do sth. 尽力做某事 try doing sth. 尝试着干某事31. be bad for 对.有害32. not only. (but) also. 不仅.而且33. high blood pressure 高血压34. as well：也，还，是副词短语，其义为“也”，相当于too，它一 般放在句末，有时和连词and或but 搭配使用。35. greener people 环保主义者36. all sorts of =all kinds of 各种各样的 37. in many ways 在很多方面38. everywhere=here and there 到处；处处二重点句子1.Pollution has caused too many problems.污染引起了太多问题。2.What a shame! 真可耻！3.The flowers and grass have gone.鲜花和绿草都消失了！4.There are several chemical factories pouring waster water into the stream. 有几座化工厂正往小溪里排放废水。5. People who work and live in noisy conditions often go deaf. 在噪音条件下工作和生活的人经常变聋。6. Recently, it was reported that many teenagers in America can hear no better than 65-year-old people do. 最近，有报道说，美国许多青少年的听力像65岁的老人那样差。7. It not only disturbs others but also does great harm to peoples hearing. 它不仅打扰别人，而且对人的听力有极大的危害。8. With the increase in population and the development of industry, litter is everywhere. 随着人口的增长和工业的发展，到处都是垃圾。9. With less pollution,our planet will become greener and our health will be better. 随着污染的减少，我们的星球环境将变得更好，我们的健康状况也将变得更好。 10. Anyway, I hope the government will solve this problem soon.11. Quite a few people living near airports also have hearing loss.12. Too much noise can cause high blood pressure as well.13. .it can even cause them to become sick or deaf.14. However, not all people know noise is also a kind of pollution and is harmful to humans health. Topic2 All these problems are very serious.一重点短语1.as a result 结果2.change into 变成 change. into. 把.变成.:3.stop. (from) doing sth. 阻止某人做某事 =prevent. (from) doing sth. =keep. from doing sth.4.blow away 吹走 wash away 冲走5.a number of 许多的；大量的；谓语动词用复数 the number of .的数量；谓语动词用单数6.come into being:产生；形成7.die out 灭绝；消失8.something useful:一些有用的事，当形容词修饰不定代词时，要放在所修饰词的后面，做后置定语，这就叫做“形容词后置”。9.none:指三者或以上的人或物都不，none常与of连用，后面接不可数名词时，谓语用单数。接名词或代词的复数时，谓语用单复数均可10.here and there=everywhere 到处；处处11.care for 表示“关心”“爱护”，“照看”“照顾”.12.(1)rise(rose/risen): 上升，升高，上涨，指有形的东西,是不及物动词，后面不能加宾语。另外，rise可以表示太阳的升起，比如日出：不仅如此，常用rise表示起立或着起床。13.raise(raised/raised) :是及物动词，后面一定要加宾语。raise用作及物动词，其基本含义是“使升起来，举起.raise 还可以表示“提起,引起,提高,增加,筹款,召集,养育”。 14.worst of all 最糟的是15.make rules 制定规则 break the rulers 违反规定 follow the rulers =obey the rulers 遵守规定16.during this period 在这期间17.take away 拿走；取走；带走18.take sth. away from/take away sth. from 把某物从.带走，19.be important to sb./sth. 对.来说是重要的:20.cause cancer 致癌21.the greenhouse effect 温室效应22.plenty of:许多的；大量的. 即可修饰可数名词,也可修饰不可数名词. 只用于陈述句当中，在疑问句当中一般用enough,在否定句当中一般 用many或者much. 23.day by day 日复一日；一天比一天地 year by year 年复一年24.be covered with 被.所覆盖25.be short of .短缺 be short for .的简称26.use sth. for doing sth. 用.来做某事27.refer to 谈及；说起；指的是28.avoid doing sth. 避免去做某事29.pass laws 颁布法律30.make (great) progress in (doing )sth. 在某方面取得巨大的进步31. on the earth 在地球上32.in the beginning 起初33. walk on 步行34.none of 没有一个35. in danger of 处在.的危险之中36. need to do sth. 需要做某事37. carbon dioxide 二氧化碳二重点句子1.As a result , a lot of rich land has changed into desert. 结果，许多富饶的土地变成了沙漠。2. Trees can stop the wind from blowing the earth away. 树可以防止风吹走尘土。3.They can also stop the water from washing the earth away. 它们还能够防止土壤被水流带走4. We shouldnt leave rubbish here and there.我们不应该随处乱扔垃圾。5. Dont spit anywhere in public.不要在公众场合随地吐痰。6. Dont walk on grass or pick flowers.不要践踏草坪或采摘花朵。7.Everyone should care for wild animals and plant more trees. 每个人都应该爱护野生动物，种更多的树。8.We should do everything we can to protect the environment. 我们应该尽一切努力来保护环境。9. It says that China has become the worlds largest producer and user of coal. 上面说中国已经成为世界上最大的煤炭生产国和使用国。10. Some things we have done are very good for the earth while others are bad. 我们所做的一些事情对地球有益,然而另一些却对地球有着负面影响。11.When it rains or when the wind blows,the earth is taken away. 当刮风下雨的时候，土就被刮走或冲走。12. While nearly 3/4 of the earth is covered with water,we are still short of drinking water. 尽管世界的3/4都是被水覆盖，但是我们仍然缺少饮用水。13. All over the world, people have cut down millions of trees.14. None of us likes pollution.15. Cutting down trees is harmful to human beings, animals and plants.Topic3 What can we do at home to protect the environment?一重点短语1.interview sb. about sth. 关于某事采访；访问别人2.work for 为.工作3.encourage sb to do sth 鼓励某人做某事4.so that 以便于；以至于；目的是5.fail the exam 考试失败；不及格6.nod the head 点头shake the head 摇头7.hurry up 赶快；快点8.give up doing sth 放弃做某事 give in 投降；屈服；让步 give off 发出；放出(液体、气体、气味) give out 分发；发放9. ought to do sth=should do sth 应该做某事 oughtnt to do sth=shouldnt do sth 不应该做某事10.shut off 停止；关掉 shut off the electricity 切断电源 turn on 打开 turn off 关掉 turn up 调大 turn down 调小11. after all 毕竟；归根结底12. up to. 多达.13. run out=use up 用完；用光14. use sth to do sth 用某物做某事15. be used for 被用于做某事16. even though=even if 即使；尽管17. in + 一段时间 多久以后 in 20 years 20年后18. stop doing sth 停止正在做的事 stop to do sth 停止手中的事，去做另一件事18.instead of doing sth=rather than do sth代替做某事；而不是做某事19.reach a top speed of + 最高速度能达到.20.at a speed of 以某种速度21.save money 节约钱22.collect waste paper and soft drink cans 收集废纸和饮料罐23.in the 1990s 20世纪90年代24.in the near future 在不久的将来25.different types of 不同种类的.26. a short distance 短途的，短距离的二重点句子1.My main job is to help spread the message about protecting the environment. 我的主要工作是帮助宣传有关环保方面的信息。2.We should reduce the waste we produce. 我们应该减少我们制造的垃圾3. We should use both sides of paper and reuse plastic bags. 我们应该使用纸的两边，重复使用塑料袋。4. Recycling can protect the environment, and it can save money, too. 回收再利用能保护环境而且能节约资金。5. First,you ought to shut off the electricity when you leave a room. 首先，你离开房间的时候应该随手关灯。6. Second,youd better walk or ride a bike instead of takin