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人教版八年级英语初二上册Unit 7 例题讲解

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    • 1、Unit 7Will people have robots?单元目标预览突破词汇来源:学.科.网Section Apaper n. 纸;纸张来源:学。科。网Z。X。X。KP114Section Bbelieve v相信;认为有可能来源:学科网ZXXKP121future n将来;未来P116hundreds of许多;大量P121pollute v. 污染P116be able to 能够做某事P121plant v. 种植 n. 植物P116disagree v. 不同意;持不同意见;有分歧P122play a part 参与(某事)P116fall v. 倒塌;跌倒;掉落P122Section Bdangerous adj.有危险的;不安全的P120look for 寻找;寻求P123possible adj.可能存在或发生的;可能的P123over and over again 多次;反复地P120probably adv.很可能;大概P123把握句型1.There will be fewer people.将有更少的人。注意there will be句型。2Today ther

      2、e are already robots working in factories.现在已经有机器人在工厂里工作了。There is/aresb./sth.doing sth.句型。熟悉语法学习一般将来时。学会交际学会运用对未来进行推测的交际用语。写作练笔学习写对未来的生活进行描绘的文章。Section A教材英汉对译:Section A 2dNick:What are you reading,Jill?Jill:Its a book about the future.Nick:Sounds cool.So what will the future be like?Jill:Well,cities will be more crowded and polluted.There will be fewer trees and the environment will be in great danger.Nick:That sounds bad!Will we have to move to other planets?Jill:Maybe.But I want to live on t

      3、he earth.Nick:Me,too.Then what can we do?Jill:We can use less water and plant more trees.Everyone should play a part in saving the earth.,尼克:吉尔,你在读什么?吉尔:一本关于未来的书。尼克:听起来很酷。未来会是什么样子的?吉尔:噢,城市将会更拥挤并被污染得更严重。树会更少,环境会处在危险中。尼克:那听起来很不好!我们将不得不搬到其他星球上去吗?吉尔:可能吧。但是我想住在地球上。尼克:我也是。那我们能做什么呢?吉尔:我们可以少用水、多种树。每个人都应该参与到拯救地球的活动中。教材知识详解:1Books will only be on computers,not on paper.书只会在电脑上,而不会在纸上。词法: paper n. “纸,纸张”,是不可数名词。表示“一张纸”用a piece of paper,“两张纸”用two pieces of paper。There is a piece of paper on the table.桌子上有一张

      4、纸。知识延伸:paper n. “试卷”,作可数名词,有复数形式。I lost a history paper.我丢了一份历史试卷。【例题】 The teacher marked(批分数) the exam _ and wrote the students grades on a piece of _.Apapers;paperBpaper;papersCpaper;paper Dpapers;papers解析根据前半句的marked可知第一空填papers,意为“试卷”,是可数名词;第二空填paper,构成固定搭配a piece of paper “一张纸”。答案A句意老师批阅了试卷并把学生们的分数写在了一张纸上。2Will people use money in 100 years?人们在100年后将会使用金钱吗?句法:本句是一般将来时的一般疑问句。一般将来时由will/shallv.构成。词法:in 100 years 100年后,提问“in时间段”时用特殊疑问词how soon 或when。How soon/When will they return?他们多久/什么时候返回?I

      5、n three weeks.三周后。词汇解析:in和afterin后接一段时间,不能接时间点,表示“一段时间后”,一般用于将来时。Ill clean the blackboard in a moment.稍后我就擦黑板。after后接表示一段时间的词语时,用于过去时;接时间点时,可与将来时态连用。He began to play soccer after an hour.一小时后他开始踢足球。Well go to school after 10:30.十点半后我们要去上学。【例1】My father will be back from Shanghai _ a week.Afor BafterCin Dat点拨:for与一段时间连用时,时态常用完成时;after与一段时间连用时,时态常用过去时;in与一段时间连用时,时态常用将来时;句意为“我爸爸一周后将从上海回来”。at放在句中与句意不符。答案:C【例2】_ will everything be free?In 100 years.AHow long BHow farCHow soon DHow often点拨:A项提问一段时间;B项

      6、提问距离;D项提问频率。根据答语可知问句应用how soon提问。句意为“多久后一切东西都免费?”答案:C【例3】用in和after填空Our work will be finished _ an hour.Our work will be finished _ 9:00.答案:inafter3There will be fewer people.将有更少的人。句法:本句是含有there be句型的一般将来时的简单句。结构为:There will be主语其他。其否定形式是在will 后加not;疑问句形式是把will 提到there前。简略肯定回答:Yes,there will.简略否定回答:No,there wont.There will not be enough room for people to live in.将没有足够的给人住的空间。Will there be fewer animals in the world?世界上将有更少的动物吗?词法:fewer adj. (few的比较级) 较少的;更少的,修饰可数名词的复数形式。I have fewer friends.我有

      7、更少的朋友。词汇解析:fewer,less和more(1)fewer同上。My friend has fewer apples than I.我朋友比我的苹果少。(2)less较少的;更少的,little的比较级,修饰不可数名词。I have less money in my bag.我包里的钱更少了。(3)more更多的,many和much的比较级,可修饰可数名词,也可修饰不可数名词。There is more water in the bottle.瓶子里的水更多了。We have more challenges.我们有更多的挑战。【例1】Will there _ any paper money in 100 years?No,_.Ahave;there wontBbe;there wontChave;they wontDbe;they wont点拨:根据问句中的there可知是考查there be句型;其简略否定答语也用there。答案:B【例2】Well try our best to do the work with _money and _ people.Afew;litt

      8、le Ba few;a littleCless;fewer Dfewer;less点拨:money是不可数名词,要用little及其有关的词或短语修饰;people是复数形式,要用few及其有关的词或短语修饰。句意为“我们将尽力用更少的资金、更少的人去完成这项工作”。答案:C【例3】根据汉语意思完成下句我想要更多水、更少的食物。I would like _ water and _ food.答案:more;less4.Whats your prediction about the future?你对未来的预测是什么?词法:future n将来;未来,常构成短语:in the future 在将来;在未来,指的是将来的某一时刻,不一定从现在开始。Who can tell what will happen in the future?谁能说得清将来会发生什么事?in future 今后,指从现在开始的以后,相当于from now on。We should study hard in future.今后我们应该努力学习。【例题】They are thinking about the life _future.Aon the Bin theCat the Dfor the点拨:句意为“他们正在考虑将来的生活”。in the future意为“在将来;在未来”,是固定短语。故选B项。答案:B5Well,cities will be more crowded and polluted.哦,城市将会更拥挤并被污染得更严重。词法:pollute v. 污染People shouldnt pollute water in the river.人们不该污染河水。知识延伸:polluted adj. 被污染的,本句中就是此意。Polluted water is bad for our health.污水对我们的健康有害。pollution n. 污染;污染物What do you think of pollution?你对污染有什么看法?【例题】Now _ is v

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