1、广东省深圳市文汇中学七年级英语下册Unit 6 Electricity指导教学书 牛津版I.重点词组1a moment later一会儿_后 2be connectedto连接到;接通3come from来自 4a packet of一包5be able to能;会 6look foolish看起来很愚蠢7be likelook like看起来像 8in a way在某种程度上9all kinds of各种各样的 10changeinto把转变成11stay up late熬夜 12do more exercisetake exercise做锻炼13Share with与分享 14turn o
2、noff=switch onoff打开关上15tidy up整理好 16make sure确信17care about关心 18all over the world全世界19take the medicine服药 20.power station发电站II重点句型1.Shell look foolish。2.You mustnt say that, Benny.本尼,你不准这样说。3.What do you know about electricity, Benny?本尼,你了解电吗?4.It is like water, in a way.在某种程度上,它像水一样。5.Electricity
3、 comes into our flat through thin wires电通过电线进入我们冢里。6.They are connected to a power station电线被连接到发电站7.Here you are.给你III.词语解释与拓展1.【拓展】foolish,silly,stupid的含义都是“愚蠢的;笨的”;注意它们的区别: (1)stupid意思是“笨”;指缺乏正常理解力;智力差的:反应迟钝的。 (2)silly意思是“傻”;指头脑简单,傻头傻脑的;不懂事的;有时带感情色彩的; (3)foolish意思是“愚蠢的”:指无头脑的;缺乏判断力的;缺乏常识的;2It is
4、like water in a way在某种程度上像水。【拓展】注意下面几个词组的区别: (1)on the way在路上;在途中; (2)in a way从某种程度上说; (3)by the way顺便说一下;(4)in this way用这种方式;以这种方式。3The boy is like his father=The boy looks like his father那男孩像他爸爸。4We can change water into gasWe can turn water into gas5They come from Japan=They are from Japan他们来自日本。
5、6A moment later, Daisy came backA moment later, Daisy returned 7You neednt finish it today=You dont have to finish it today III.主要语法(情态动词)情态动词本身有一定的词义,但要与动词原形一起使用,给谓语动词增添情态色彩,表示说话人对有关行为或事物的态度和看法,认为其可能、应该或必要等。情态动词无人称和数的变化。常见的情态动词有12个:May, might, can, could, will,would, shall,should, must,need,dare,ou
6、ght to;在这一单元中,我们主要学习can,may和must。1. can,can not. can的基本意思是“能;会”,否定形式是cannot,简写为cant,意思是“不能”。【讲解I】表示能力(如体力和脑力方面),意为 “能;会”: EgCan you speak English? 你会讲英语吗? I can play the piano我会弹钢琴。 I cant write it well我写得不好。【讲解2】表示请求或允许,多用在口语中,意为”可以;能”;EgCan I help you? 我能帮助你吗? You cant play basketball你不能打篮球。 【拓展】c
7、an you?表示“请你好吗?”表示说话人的请求;can I?表示“我可以吗?”用来征求对方是否允许自己做某事。如在句末加上please一词就显得更有礼貌了。 例如:Can you help me,please?请你帮助我好吗? 【讲解3】表示可能。EgHe can be at home now他现在可能在家。 【拓展】can与may都可以表示“许可”。在征求对方意见时用may较多,而且may显得更客气委婉一些。2.may和may notmay的基本意思是“可能;也许”,否定形式是may not。 【讲解l】表示许可或征求对方的许可,常和can互换,但can较随便,may更正式; EgYou
8、may go now你可以走了。 May I use your computer?我能用一下你的电脑吗? 【讲解2】表示“可能”,常译为“也许;可能”; Eg He may not come here tomorrow他明天也许不会来这儿。 She may go to Shanghai next week下周她可能到上海去。 【讲解3】may的否定形式may not,但他们常常用can not,mustnt not来表达否定意思。 l Eg-May I leave the book with you? 我可以把这本书交给你吗? -No,you mustntN0,you cant不可以。 3.m
9、ust 和 must not must的基本意思是“必须”;“不必须”neednt, mustnt表示“不准”。 【讲解l】表示“必须”;EgYou must talk to them about their study【讲解2】在否定结构中表示“禁止;不允许”; EgYou mustnt leave here你不能离开这儿。 You mustnt take photos here.这里禁止拍照。讲解3】表推测,用在肯定句;否定句中的推测要用“cant be”; EgHe must be illHe looks so pale他肯定是病了。他的脸色那么苍白。 My mother cant be
10、 at home,she is at work妈妈不可能在家,她在上班。【讲解4】句式“Must l?”否定回答是:N0,you needntN0,you dont have to EgMust I finish my homework now? 我现在必须完成作业吗? -N0。you neednt不,没必要。 IV.经典范文:我校的校规。School Rules Welcome to our schoolLet me tell you some of our school rules:We cant be late for classWe cant talk loudly in classWe have to be quiet in class,and we have to keep our class cleanWhen we meet our teachers on the way, we must greet themWe cant eat or drink in the classroomWe cant listen to music or play games in class,eitherWe mustnt pick flowers or climb trees at schoolEverybody should obey the school rules3
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