1、人教版丨九年级英语第13单元知识点总结Unit 13 Were trying to save the earth!一、短语:1. at the bottom of the river 在河的底部2. be full of the rubbish 充满了垃圾3. throw litter into the river 把垃圾扔入河中4. play a part in 尽一份力.5. land pollution 土地污染6.cut down air pollution 减少空气污染7. make a difference 产生影响8.take action 采取行动9. ride in cars
2、 开车出行10. add up 累加11. use public transportation 使用公共交通12. recycle books and paper 回收书和废纸13. use paper napkins 使用纸巾14. turn off the shower 关掉喷头15. fill the air with black smoke 使空气中充满了黑烟二、知识点:1.not only.but also.的用法:(1)not onlybut also意为“不仅而且”,用于连接两个表示并列关系的成分,着重强调后者,其中的also有时可以省略。如:She not only plays
3、 well, but also writes music. 她不仅很会演奏,而且还会作曲。He not only writes his own plays, he also acts in them.他不仅是自编剧本,还饰演其中的角色。He works notonly on weekdays but on Sundays as well.他不仅平时工作,星期日也工作。(2)若连接两个成分作主语,其谓语通常与靠近的主语保持一致,即就近原则。如:Not only you but also he has to leave.不只是你,他也得离开。(2)若连接两个句子,not only后面的句子要用倒装
4、,如:Not only did he speak more correctly, but he spoke more easily.他不仅说得更正确,而且讲得更不费劲了。2.take、spend、cost、pay的用法都可以表示“花费”,但用法却不尽相同:(1)spend的主语必须是人,常用于以下结构:spend time money on sth.:在上花费时间(金钱)。如:I spent two hours on this maths problem.这道数学题花了我两个小时。spend time money(in)doing sth.:花费时间(金钱)做某事。如:They spent s
5、everal million(in)building this bridge. 他们花了几百万造这座桥。spend money for sth.:花钱买,如:His money was spent for books.他的钱用来买书了。(2)cost的主语是物或某种活动,还可以表示“值”,常见用法如下:sth.costs(sb.)金钱:某物花了(某人)多少钱。如:A new computer costs a lot of money.买一台新电脑要花一大笔钱。(doing)sth.costs(sb.)时间:某物(做某事)花了(某人)多少时间。如:Remembering these new wo
6、rds cost him a lot of time. 记住这些单词花了他大量的时间。注意:cost的过去式及过去分词都是cost,并且不能用于被动句。(3)take后面常跟双宾语,常见用法有以下几种:It takes sb.时间to do sth.做某事花了某人多少时间。如:It took them three years to build this road.修完这条路花了他们三年的时间。doing sth. takes sb.时间做某事花了某人多少时间。如:Repairing this car took him the whole afternoon.修这辆车花了他一下午的时间。(4)p
7、ay的基本用法是:pay(sb.)moneyfor sth.付钱(给某人)买,如:I have to pay them 20 pounds for this room each month.我每个月要付20英磅的房租给他们。pay for sth.付的钱,如:I have to pay for the lost book.我不得不赔丢失的书款。pay for sb.替某人付钱,如:Dont worry,Ill pay for you.别担心,我会给你付钱的。pay sb.付钱给某人,如:They pay us every month.他们每月给我们报酬。pay money back:还钱,如:
8、May I borrow 12 yuan from you? Ill pay it back next week.你能借给我12块钱吗?下周还你。pay off ones money:把钱还清。3. work的用法:(1)作名词:不可数,表示工作;劳动;作业;功课等。如:It takes a lot of work to dig a deep well.挖一口深井很费事。I have to bring my work home today.今天我得把工作带回家做。作可数名词,表示作品。如:He is making a study of William Faulkners works.他在研究威廉福克纳的作品。(2)作不及物动词:.表示工作、劳动、干活(+at/on),如:She works in a restaurant.她在一家饭店工作。.表示(机器等)运转、活动,如:The machine doesnt work. 这个机器不运转了。.表示起作用、行得通,如:Your suggestion works well.你的建议很有效。