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1、Unit 2 Saving the earth Topic 1 知识点汇编Unit 2 SavingttueearthTopic 1 1 can91 stand tie eiivin）iiinen（ leie.、重点词汇（一） 词形变换1. produce（名词）producer2. breathe 白词）breath 3. manage 同义词）try4. soil （近义词）earth5. waste 反义词）save6. harm （形容词）harmful7. die （名词）death （形容词）dead8. downstairs （反义词）upstairs9.pleasant 仅义词
2、）unpleasant10. change 形容词）changeable（二） 重点词组1.stand /improve / protect the environment忍受/改善/保护环境2.produce terrible gas产生难闻的气味3.manage to do sth.设法做某事4.in a good / bad mood情绪好/差5.feel uncomfortable感到不舒适6.pour waste into river把废水倒入河里7.something useful有用的事物8.be harmful to sb. / sth.对某人/某物有害9.the look o
3、f our cities城市面貌10.see fish swimming看到鱼儿游来游去11.at present目前12.shout at sb.对某人大喊大叫；斥责某人13.stop making so much noise停止发出如此大的噪音14.disturb others打扰别人15.a kind of p ollution一种污染16.be sorry for doing sth.对做J某事感到抱歉17.from now on从现在起18.in noisy conditions在吵杂的条件下19.become deaf笠聋J20.quite a few相当多21.no better
4、 than（几乎）与 ，样差22.cause high blood pressure引发高血压23.in strong, changeable light在强烈、易变的光线下二、重点句型。1. It is difficult for me to breathe.对我来说很难呼吸。2. -How long have you been like this? 你处于这样的状态多久了 ?-1 have been like this since last month.自从上个月以来我一直这样。3. It is a beautiful place with flowers and grass.那是个有花、
5、有草的美丽的地方。4. All the flower.s, grass and fishhave gone!所有的花、草和鱼儿都没有了 ！5. It smells terrible.难闻极了。6. There are several chemical factoriespouring waste water into the river.有几座工厂正往河里排放污水。7. It s our duty to protect the environment.保护环境是我们的职责。8. I have been at this schoolsince last year / for one year自从
6、去年，我在这个学校了。/我来到这个学校有一年了。9. Noise is a kind of pollution and it is harmful to our ears.噪音是一种污染，对我们的耳朵有害。三、重点语言点1. I can t stand the environment here.我无法容忍这儿的环境。stand表“容忍；忍受，后接名词、代词及动名词做宾语。如： I can t stand that man, he talks too much.我忍受不了那个人了，他话太多了。Can you stand the rpain? 你能忍得住痛吗？I can t stand waiti
7、ng any longer.我再也等不了了。2. What do you mean by sth. ?某物是什么意思呢 ？=What s the meaning of sth ?=What does sth. mean?3. I hope I can move from here soon. 我希望我能早点从这儿搬走。 当主从句主语一致时，常可转换成不定式短语=I hope to move from here soon.我希望早点从这儿搬走。4. There are several chemical factories pouring waste water into the river. 有
8、几座工厂正往河里排放污水。There be + sb. / sth. + doing sth.表有某人/某物正在做某事。如： There are some birds singing in the tree.树上有些鸟儿在歌唱。There is a little girl crying in the street.街上有个小女孩在哭。5. stop doing sth. 停止做（正在进行的）事 stop to do sth.停下来去做（另一件）事如：It s late. They will stop working and （stop） to have supper.很迟了。他们将停下来吃晚饭
9、。The students stopped talking and to listen to the teacher.学生们停止说话去听课。6. Im sorry for making so much noise.很抱歉我弄出这么大的噪音。be sorry for doing sth.表对做过的事感到抱歉be sorry to do sth.表对当前的事感到抱歉如：Im sorry for waking you up yesterday.很抱歉昨天把你弄醒了。I m sorry to trouble you.很抱歉打扰你了。I m sorry to hear that.听到那个（消息）感到很遗
10、憾。7. ，not all people know that noise is also a kind of pollution.并不是所有的人都知道噪音也是一种污染。not与both、all、every以及every的派生词连用时，表部分否定。 如：Not everybody knows this secret.不是人人知道这个秘密。Nobody knows this secret.没有一个人知道这个秘密。I do n t know all （of） your names.你们的名字我并不都知道。I know none of your names.我不知道你们所有人的名字8. Recentl
11、yit was reported that many teenagers n America can hearno better than 65-year-old people do,近来据报道，美国许多青少年的听力和65岁的老人一样差。no better than 表”同（几乎）一样差；不比做得好”如：Lucy did no better than Lily in the exam.露西和莉莉考得几乎一样糟.=Lucy almost did as badly as Lily in the exam.四、重点语法现在完成时中延续性的动作或状态和由for / since引导的一段时间状语搭配使用
12、。a） “for +时间段” 与“since +时间点” 都表“一段时间”，常用How long 提问。文 口： -How long have you been like this?-1 have been l ike this since last month./ for a month.How long have you lived in Changle?I have lived in Changle for ten years / since ten years ago.b）如句中含有非延续性动词，则改为相应的延续性动词或状态。如：I bought this TV three days ago.= I have had this TV for three days.His cat died yesterday.= His cat has been dead since yesterday.X常见的非延续性动词转换成延续性动词如下：come be here; go be there; close- be closed; open be open;buyhave; borrow keep; leave be away; begin be on; finish - be over; die be dead etc.
