八年级英语下册 Unit 4 The Internet Connects Us Lesson 21

Unit4TheInternetConnectsUsLesson21Ⅰ.根据汉语提示写出下列单词或短语1.出现;呈现;来到v._______2.现代的;新式的adj._______3.电子的adj._________4.出售;卖v.___appearmodernelectronicsell5.传递;前进_______6.手工_______7.印刷机_____________8.继续________passonbyhandprintingpresskeeponⅡ.根据汉语提示完成下列句子1.用纸,人们开始记下他们的故事。_____paper,people_________________theirstories.2.对普通人来说读书也成为可能。__wasalso__________commonpeople_______books.WithbegantowritedownItpossiblefortoread3.信息传播得更快、更远。Informationtravels_____and_______.4.后来,人们学会了如何写字及如何造纸。Later,peoplelearned___________andmakepaper.fasterfartherhowtowrite5.仅写一本书就会花费很长时间!______alongtime_______justonebook!6.电子书快速地改变了人们的读书习惯。E-booksarequicklychanging____________________.Ittooktowritepeople’sreadinghabitsⅢ.Readthedialogueandanswerthequestions1.Howdidpeoplepassontheirknowledgeinancienttimes?_______________2.Whatwastheadvantageofusingtheprintingpress?_________________________________Bytellingstories.Itwaspossibletoprintbooksquickly.3.Howmanywayscanyoutelltoreadbooks?_________Fiveways.要点1疑问词+动词不定式Step1难点·探疑问词+不定式的用法是什么?Step2语境·悟*Later,peoplelearnedhowtowriteandmakepaper.后来,人们学会了怎样写字和造纸。(P54)*Ican’tdecidewhichonetobuy.我不能决定买哪一个。Step3知识·得howtodosth是由“特殊疑问词+___________”构成的短语,how引导的不定式短语作前面learned的宾语。除了how之外,其他的特殊疑问词(what,who,which,when,where等)也都可以与动词不定式连用,通常在句中作宾语、主语或者表语等。动词不定式Step4考点·练()①(2018·河南中考)—Excuseme.Doyouknow_____?—Sorry,Idon’tknow,either.A.howtocheckoutabookB.whenwilltheconcertbeginC.thatthereisabanknearhereD.howlongthemeetingwouldlastA②她不确定去哪儿度假。Shedoesn’tmakesure____________avacation.wheretotake要点2Ittookalongtimetowritejustonebook!仅写一本书就会花费很长时间!(P54)Step1难点·探(1)Ittakessb.sometimetodosth.句式用法知多少?(2)表示“花费”有哪些句式?Step2句型·研Ittakessb.sometimetodosth.意为“某人花费多长时间做某事”,it是形式主语,真正的主语是动词不定式“todosth.”。其中的take有人称、时态和数的变化,此句型常指“花费时间”,一般不用来指“花费金钱”。Ittakeshimtenminutestogettoschooleveryday.他每天花费十分钟到达学校。【辨析】其他表示“花费”的词spend主语必须是人,常用结构:sb.spendtime/moneyonsth.某人花费时间/金钱在某物上;sb.spendtime/money(in)doingsth.某人花费时间/金钱做某事cost主语是物,常用结构:sth.cost+金钱,某物价值多少钱;sth.cost(sb.)+金钱,某物花了(某人)多少钱Ispenttwentyyuanonthedictionary.我花二十元钱买了这本字典。Thepencostmetendollars.这支钢笔花了我十美元。Step3考点·练()①(2019·临沂中考)RoyworksinLondon.It_____himabouthalfanhourtogettoworkbybuseveryday.世纪金榜导学号A.costsB.spendsC.takesC()②(2019·眉山中考)IliketheTVprogramTheReaderbest.Ithinkweshouldspendasmuchtimeaswecan_____inoursparetime.A.readB.toreadC.readingD.readsC要点3nomatterwhat无论什么Step1难点·探(1)nomatterwhat的句法作用是什么?(2)nomatterwhat相当于什么词?Step2语境·悟*Nomatterwhatyouhave,acomputer,atablet,alaptop,ane-readerorarealbook,keeponreading!不管你有什么,电脑、平板电脑、笔记本电脑、电子阅读器还是一本真正的书籍,你都要坚持阅读!*Nomatterwhatyourmotherdoes,shelovesyou.无论你妈妈做什么,她是爱你的。Step3知识·得nomatterwhat引导让步状语从句是nomatter+疑问词结构,相当于whatever,可以和whatever互换;whatever引导名词性从句时两者不可以互换。【拓展】类似nomatterwhat的用法nomatterwhen=whenever“无论什么时候”;nomatterwhere=wherever“无论什么地方”;nomatterwho=whoever“无论谁”;nomatterhow=however“无论怎样”。Step4考点·练①不管你是谁,作为学生,你必须遵守学校规定。_____________youare,youhavetosticktotherulesofyourschoolasastudent.②(2018·抚顺中考改编)无论发生什么,我们都不应该放弃希望。______________happens,weshouldn’t_______hope.NomatterwhoNomatterwhatgiveup