八年级英语上册Unit2Numbers学案无答案新版牛津深圳版.doc
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1、Unit2 Numbers 知识探究Step One Reading& Listening1. Read a story about numbers.number 此处用作可数名词,意为“数字”。number还可意为“电话号码”。【拓展】number 还可用作及物动词,意为“标序号,给.编号”Please number the pictures.【随时练】 - Hello, is that Jenny speaking? - Sorry, Im afraid youve got the wrong _.A. number B. name C. address D. message2. Chec
2、k some Maths problems.(1) check 及物动词,“检查,核实”【拓展】 check 的相关短语check in 登记,检票 check out 办清手续后离开 check up 检验I will meet Jane at the station, please _ what time she will arrive.A. count B.choose C. check D. Catch(2)problem 可数名词,“问题,难题”辨析:problem 与questionproblem多指有待解决的问题,特别是疑难的问题或令人疑惑的事,人或情况。常与work out和s
3、olve 等搭配solve the problem 解决问题deal with the problem 处理问题question意思相对广泛,指需要解决或解答的具体问题。常与ask 和answer 搭配ask questions 问问题answer the question 回答这个问题【拓展】(1)have problems in doing sth. 做某事有困难(2) No problem. 没问题。The food safety is a serious _ in our country. We should try to solve it.A. subject B.program C
4、. problem D. Opinion3. The kings favourite game was chess.favourite “最喜欢的”,通常位于名词前作定语,没有比较级和最高级形式,在含义上相当于like bestWhats sbs favourite .? = What . do/ dose sb. like best?【拓展】也可用作名词,意为“最喜欢的人或物”This book is my favourite.4. play chess 下象棋 play card 打牌play football,play basketball(play +棋牌、球类运动)play the
5、piano 弹钢琴 play the violin 拉小提琴 (play + the+乐器)5. One day, a wise old man came to the palace and the king challenged him to a game.(1)one day “某一天,有一天”辨析:one day与some dayone day (过去)有一天,(将来)某一天,用于过去时或将来时some day (将来)总有一天,只用于将来时Eg:I think ,y dream will come true one day /some day.我想我的梦想有一天会实现。Eg:One d
6、ay, the old man was very ill.有一天,那位老人病的很严重。(2)challenge sb. to sth. 向某人挑战.【拓展】challenge sb. to do sth. 向某人挑战做某事,激励某人做某事(3)wise是形容词,意为“有智慧的”。Eg:A wise woman never shows her smart.【拓展】:wisdom n.智慧eg:Experience is the mother of wisdom.经验为智慧之母。完成句子1. 你为什么要检查卧室呢?Why do you _ the bedroom?2. 聪明的人总是能及时的解决难题
7、。Someone who is _always solve the _ in time.3. 你想向他挑战吗?Do you want to _ him?4. 这张书桌大约100厘米长The desk about100_ _.6. The King promised the old man, “ You can have any prize if you win the game.”promise sb. sth. She promised me the book. 她许诺给我这本书。 promise to do sth.They promised to come to the pary on
8、time. 他们答应会准时来参加聚会。 promise也可以作名词,make a promise意为“许下诺言,答应,保证”如: My mother made a promise to buy a new bike for me. 我母亲答应给我买一辆新自行车。 ( )He promised _ mis old friend during his stay in Tianjin.A. see B. seeing C. saw D. to see if,意为“如果”,引导条件状语从句。表示在某条件下,某事很可能发生。如:If you ask him,he will help you如果你请他帮忙
9、,他会帮你的。 ( Part A) ( Part B)上述的Part A为条件状语从句,Part B 为主句。从句可以放在主句前,也可以放在主句后。当从句置于主句前时,从句后就加逗号。如:He will help you if you ask him.【拓展】 If引导的条件状语从句引导条件状语从句最常用的连词是if,常用的if条件状语从句表示在某种条件下,某件事很可能发生,条件是可能存在的,主句中某种情况发生的概率也是很高的。Eg:If you ask him, he will help you.如果你请他帮忙,他会帮你的。Eg:If you have finished the homewo
10、rk you can go home.另外,If从句还可以表示不可能实现的条件或根本不存在的条件,也就是一种虚拟的条件或假设。从句多用一般过去或过去完成时,表示对现在或过去的一种假设。Eg:If I were you , I would invite him to the party.如果我是你,我会邀请他参加聚会。Eg:I would have arrived much earlier if I had not been caught in the traffic.要不是交通堵塞,我本会来的早一些。另外还要注意if条件句的时态搭配有以下几种情况:(1) if 从句用一般现在时,主句用一般将来
11、时,eg:If he runs, hell get there in time. 如果他跑着去,就会及时赶到那儿。(2)if 从句用一般现在时,主句用may/might/can,Eg:If it stops snowing, we can go out.(3) if 从句用一般现在时,主句用must/should,Eg :If you want to lose weight, you must/should eat less bread. (4) if 从句用一般现在时,主句用一般现在时,Eg:If you heat ice, it turns to water.(也可用will turn)
12、如果把冰加热,它就会化成水。(5) if 从句用现在进行时,主句用一般将来时,Eg:If you are looking for Peter, youll find him upstairs. 如果你是在找彼得,上楼就会找到他。(6) if 从句用现在完成时,主句用一般将来时,Eg:If you have finished dinner, Ill ask the waiter for the bill.如果你吃完了,我就叫服务生来算账。巧记if用法口诀:If条件句不一般,几个要点记心间;条件句,放在前,逗号要放句中间。条件句表可能,主句多用将来时;条件句表事实,主句常用现在时。【随时练】单项选
13、择( ) 1. If there no buying and selling of animals, there no killing in nature. A. is; will he B. will be; will be C. is; is D. will be; is( ) 2._, Ill go shopping alone. A. If she comes B. If she wont come C. If she doesnt come ( )3.The students _ have a sports meeting this weekend if it _.A. wont;
14、rains B. will; rains C. wont; will rain D. are going to; is going to rain( )4.If you _ to the party, youll have a great time A. will go B. went C. go D. going ( )5.What are you going to do tomorrow? -Well go to the library tomorrow if it _. A. isnt rain B. rain C. wont rain D. doesnt rain( )6. What
15、will you do if you _ to the old folks home visit? A. go B. went C. going D. will go ( )7. If I eat _ food, Ill be very fat. A. too many B. many too C. too much D. much too ( )8. Ill give the book to him if he _ here next Sunday. A. will come B. comes C. is coming D. came 7. . And then double the amo
16、unt for each of the rest of the squares.rest 此处用作名词,“剩余部分”,the rest 作主语时,谓语动词的单复数要视作具体情况而定,如果所指代的为得数名词,则视为复数;如果所指代的为不可数名词,则视为单数。the rest of. “.的剩余部分”,作主语时谓语动词的单复数取决于of后面的名词形式。One of the books is written in Chinese, and the rest are in English.The rest of the money was donated to charities.8. Wouldt
17、you like gold or silver instead?难道你不想要金子或银子代替?instead副词,意为“代替;顶替”。She is very busy. Lets go instead.她太忙了,还是让我们去吧。Ill read newspapers instead of seeing a film.我将看报纸而不是看电影。辨析:instead 与instead ofinstead 副词,代替,顶替,相反 ,位于名首或句末instead of 介词短语,“代替,而不是”,后接名词,代词或动名词 instead of doing sth. 代替做某事9. The king quic
18、kly realized the problem国王很快意识到了问题realized是动词realize的过去式。Realize及物动词,意为“认识到;意识到”,常见用法有:(1)realize+n.At last she realized her mistakes.最后她意识到了她的错误。(2)realize+that从句I realized that it was time to go to school.我意识到该上学了。(3)realize+疑问句+其他I dont think you realize how important this is to her.我认为你没有意识到这对她有
19、多重要。10. he would still not have enough rice to put on all the squares! enough此处用作形容词,意为“充足的;足够的”。可接可数名词或不可数名词。它放到名词前面或后面都可以。He doesnt have enough time/time enough to finish the work.他没有足够的时间去完成这项工作。【拓展】enough做副词时,意为“足够地,十分”,通常用于所修饰的形容词或副词之后。Eg:The boy is strong enough to lift the box.这个男孩很强壮,能举起这个箱子
20、。11. I can teach you how to make more money if you promise to follow my advice,如果你承诺采纳我的建议,我可以教你如何去赚更多的钱。(1)How to make more money是“疑问词+动词不定式(短语)”结构,意为“如何去赚更多的钱”,在句中作teach 的宾语。疑问代词或副词what/who/whom/which/where/when/how后跟动词不定式(短语),常用作动词know/tell/ask/teach等的宾语。He asked me where to park his car.他问我该把他的车
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