1、Unit 3 Could you please clean your room? Section B 知 识 清 单【 重点短语】1. invite sb. to a party 邀请某人参加聚会2. spend their time on schoolwork 花时间在学业上3. sth be a waste of time 是浪费时间4. waste sth. on sth.（在某方面）浪费某物waste time/money (in)doing sth 浪费时间/ 金钱做某事5. in order to do something=so that+从句=in order that+从句 表
2、目的，为了做6. get into a good university 进好大学7. get good grades 取得好成绩 8. mind (not) doing sth. 介意(不) 做某事9. depend on 依赖;依靠10. develop childrens independence 培养孩子们的独立习惯11. developed country 发达国家developing country 发展中国家12. the idea of fairness 公平意识13. have no idea how to take care of himself 不知道怎样照料自己14. f
3、all ill 生病15. grades dropped 成绩下降（ drop 及物动词“落下；掉下”drop-dropped-dropped-dropping）16. as a result 结果；因此as a result of 由于 ；作为的结果17. look after=take care of=care for 照顾；照看look after .well=take good care of/好好照顾18. do ones part in (doing ) sth.在某事中做某人分内的事19. its fair/ unfair for sb to do something 对于某人来
4、说，做是公平的/ 不公平的【用法归纳】1. buy sb. sth=buy sth.for sb.给某人买某物2. invite sb. to sp.邀请某人去某地 invite sb. to do sth.邀请某人做某事3. make/let/have sb do sth.让某人做某事 make sb. done（过去分词）让某人被4. There is no need for sb. to do sth.对于某人来说，没必要做某事。 There is no need for you to do this.It is/was+adj.+for/of sb. to do sth.对某人来说做某
5、事是样的。I find it +adj for sb to do sth 我发现做某事对某人来说是. I find it impossible for me to work this out 我发现解决这个问题对我来说是不可能的5. provide sth. for sb.=provide sb. with sth.为某人提供某物【 重点】6. the+比较级.，the +比较级.“越，就越”【语法讲解】1. spend（spent、spent ） 、pay（paid、paid） 、cost （cost、cost）和 take（took、taken）区别sb. spend(s) some ti
6、me/money on sth.某人在某事/物上花费了多少时间/金钱sb. spend some time/money doing sth.某人花费了多少时间/金钱做某事It takes/took sb. some time to do sth.做某事花费了某人多少时间sb. pay(s) some money for sth.某人付钱买某物 或 sb pay for sth sth. cost(s) (sb.) some money 某物花费了（某人）多少钱e.g.：She spent 50 dollars on the skirt.她花了 50 美元买了那条裙子。=It took her
7、50 dollars to buy the skirt.=She spent 50 dollars buying the skirt.=She paid 50 dollars for the skirt.He spends two years writing the book.他花了 2 年写这本书。The house cost them a lot of money.这所房子花了他们许多钱。 （这句话时态为一般过去时）【其中 some time/money 为具体的时间或金钱】2. in order to+动词原形=in order that+从句=so that+从句“ 目的是；为了” ，
8、可放在句中或句首。否定结构为：in order not to do sth.e.g.：In order to catch the early bus，she gets up early.=She gets up early in order to catch the early bus.=She gets up early so that she could catch the early bus.=She gets up early in order that she could catch the early bus.She gets up early in order not to be
9、 late.3. as a result“结果；因此” ，副词性短语，后接表示结果的句子,多用逗号隔开。as a result of .=because of.“由于；作为的结果” ，后常接名词、代词、动名词。e.g.:He made a big mistake, and as a result, he lost his job.他犯了一个大错误，结果他失去了工作。=He lost his job as a result of a big mistake.他由于一个大错误失去了工作。4. since“因为；既然 ”，和 because 都能引导原因状语从句，但是 since 比 because
10、 更正式。e.g.: Since we dont have money, we cant buy a house.since“从以后；自 以来” ，引导时间状语从句。主句用完成时从句用一般过去时。e.g.：He has worked in this school since he came to china.自从他来中国，他就在这所学校工作。【重点语句】1. Im just as tired as you are!=Both you and me are tired 我也和你一样的累2. hate + ( to do/ doing) sth.I hate to do chores.我讨厌做杂务
11、。3. It is the parents job to provide a clean and comfortable environment at home for their children.在家给孩子们提供一个干净而舒服的环境是家长们的工作。4. She wont be happy if she sees this mess. 如果她看到这样乱七八糟的话，她会不高兴的。5. For one week, she did not do any housework and neither did I.整整一周，她什么家务活都不干了，我也一样。6. My mom came over as s
12、oon as I sat down in front of the T V .我一在电视机前坐下，我妈妈就过来了。7. The earlier kids learn to be independent, the better it is for their future.孩子们越早独立，对他们的未来就更好。8. It is important for children to learn how to do chores and help their parents with housework.对于孩子们来说，学会怎样做家务和帮助父母亲做家务是很重要的。9. He had no idea ho
13、w to take care of himself. 他不知道如何照顾自己。10. The earlier kids learn to be independent, the better it is for their future. 孩子们越早学会独立，对他们的将来就越有益。11. Everyone should do their part in keeping it clean and tidy. 每个人都应该做他分内的工作来保持干净整洁。三、书面表达本单元写作话题是帮助父母做家务杂务的正反观点，因此题裁为议论文。议论文通用模板为引-议- 联-结，即引用题干给出的问题或争议观点，对观点展
14、开议论并用论据证明自己的观点，然后联系现实，最后进行总结并扣题。要学会运用 should 和 shouldnt，its+adj for/of sb (not) to do 这一结构表达自己的观点,此外，可以运用 Firstly, secondly, finally 做为陈述论据的开始，用 all in all 做为总结以增加文章层次和条理性。参考下边有关家务的范文：Some people think students neednt to do any housework. I disagree, do you know why?Its good for students to do some
15、housework. There are three reasons. Firstly, doing some housework can make you independent. You cant depend on others all the time. Secondly, doing some housework can keep you healthy and strong. Finally, its not enough to just get good grades at school. As a member of the family, everyone should do their part in keeping our house clean and tidy.All in all, I believe its good for students to do some housework. The earlier students learn to do the housework, the better its for their future.
