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1、Unit 4 Do it yourself知识精讲一、 必备词汇instruction n. 指示 tool n. 工具exactly adv. 正确地repair v.修理instead adv. 代替crazyadj. 疯狂的mistake n.错误advise v. 建议possible adj.可能的course n.课程already adv. 已经attend v. 出席、致力于active adj. 积极的tidy adj. 整洁的complete v. 完成paint n. 涂料二、重点词汇1. instruction noun /nstrk.n/ something that
2、 someone tells you to do指示，命令，吩咐1). The police who broke into the house were only acting on/under instructions.警察破门而入只是奉命行事。2). He gave me strict instructions to get there by eight oclock.他命令我必须在8点以前到达那里。2. instead adverb /nsted/ in place of someone or something else作为替代Theres no coffee - would you
3、like a cup of tea instead?没有咖啡来杯茶怎么样？3. crazy adjective /kre.zi/ stupid or not reasonable愚蠢的；荒唐的1). Its a crazy idea.这是个荒唐的想法。2). Youre crazy to buy a house without seeing it.看都没看就买下一所房子，你真荒唐。4. possible adjective /ps.bl/ able to be done or achieved, or able to exist可能的，有可能做到的1). I cant get it all d
4、one by Friday - its just not possible.我星期五前无法全部完成是不可能的。2). Is it possible to buy tickets in advance?可以提前订票吗？5. complete verb /kmplit/ to make whole or perfect使完整；使完全；使完美1). Complete the sentence with one of the adjectives provided.从所给形容词中选择一个将句子补充完整。2). He only needs two more cards to complete the s
5、et.他只需再有两张牌就凑成一副了。三、必备短语had better最好做某事no problem没问题stand for代表instead of代替make a mistake犯错误fillwith充满keep on doing sth.保持一直做某事not onlybut also不但而且on the other side of 在另一面make sure确保tidy up 整理keep it secret保密四、经典句型1. It stands for “do-it-yourself”. 它代表“自己动手做”。2. Youd better get some tools.你最好拿一些工具。
6、3. My cousin Andrew is crazy about DIY. 我堂兄安德鲁对DIY痴迷。4. Now the living room has not only blue walls but also a blue ceiling and floor.现在客厅里不仅墙壁是蓝色的，连天花板和地板也是蓝色的。5. They couldnt stay there because one end of the shelf was much higher than the other!书无法摆在上面，因为架子的一端比另一端要高得多！三点剖析一、考点：祈使句表示命令、请求、建议或劝告等。主
7、语通常为第二人称，且被省略，谓语动词用原形，巨末用感叹号或句号，读降调，如：Dont be late! 不要迟到！（命令语气）Close the window, please. 请关一下窗子。（请求）注：祈使句中谓语动词无时态和数的变化，形式统一，肯定结构主要有以下下几种：结构例句动词原形+宾语+其他Give it to me. 把它给我。Be+表语+其他Be careful! 小心点！Let +宾语+动词原形+其他Lets go to the Beihai Park. 让我们去北海公园吧。Please+动词原形+其他Please pass me the pen./ Pass me the p
8、en, please. 请把笔递给我。二、易错点：should 与had better的用法情态动词本身有一定的意义，没有人称和数的变化，不能单独作谓语，需与实义动词一起构成谓语。情态动词意义例句should意为“应该”，表示主语的职责和义务或说话人的劝告，侧重于向别人建议怎样做才最合适。should不像must那么强烈。否定形式为shouldnt 意为“不应该”。You should play with your pet every day.你应该每天和你的宠物一起玩。You should clean the fish tank three times a week.你应每星期清理三次鱼缸。
9、had better意为“最好”，表示对别人的劝告、建议或表示一种愿望。had better 后面必须跟动词原形。had better 后跟动词原形构成had better do sth.句型。这里的had 不那儿。能用have 来替换。主语不论是第几人称，句子不论是什么时态，都要用had better 的形式。否定形式是将否定副词not直接放在had better的后面。Youd better go to hospital at once. 你最好立即去医院看病。Tom, youd better go there today.汤姆，你最好今天去那儿。You bad better start
10、start tomorrow.你最好明天动身。Now you had better listen to the teacher.你现在最好听老师讲课。题模精选题模一：Unit 4 词汇应用例1.1.1 Youd better _ too much chocolate, or youll get fat fast.A not to eatB not eat C not eating.D eat例1.1.2 根据汉语意思完成句子，每空一词。1). 那人持续阅读这本书一个小时了。The man kept _ the book for an hour.2). 对不起让你久等了。Im sorry to
11、have kept _ _ for so long.题模二：祈使句例1.2.1 _ to smile at your life when you are in trouble, and you will soon be happy again.A TryB To tryC TryingD Tried例1.2.2 从方框没选择合适的动词（或动词词组）完成祈使句。1). Please _ quiet in the library.2). Dont _ the meeting until its over.3). Please _ the cake into many small pieces.随堂
12、练习随练1.1 -Yesterday, my father bought me a new mobile phone as a present, but I dont know how to use it.-Why not read the _ first before using it?A expressions B applicationsC sentences D instructions随练1.2 -Do you know roses _ love?-Yes, of course.A stand forB belong toC listen toD keep on随练1.3 Its r
13、aining heavily. We have to stay at home _going fishing.A forB insteadC instesad ofD instead for随练1.4 -Is your brother crazy _ the computer games?- No, he isnt.A ofB inC about D at随练1.5 You have worked for several hours. Youd better _ a rest.A to stop to haveB stop to have C to stop havingD stop having随练1.6 从方框没选择合适的动词（或动词词组）完成祈使句。1. Please _ to the Bus No. 64.2. _ when crossing the road.3. _ your seat to old people.4. Do not _ the water directly from the tap.5. A train is coming. Please _ behind the line.自我总结课后作业作业1 We all know that PRC _ “Peoples Republic of China”.A stands forB
