Unit6SectionA3a-Selfcheck课件人教版英语九年级全册

Unit6Whenwasitinvented?SectionA(3a~Selfcheck)WritingBytheendoftheclass,youwillbeableto

1.learntointroduceaninvention.

2.writeaboutaninvention.Learningobjectives越来越受欢迎的在我们的日常生活中被用来做Quickresponse.快速说出英文单词、短语beusedfordoingsth.moreandmorepopularinourdailylivesamuch-lovedandusefultool一个深受喜爱且有用的工具Playagame搜索信息看电影使我们放松与家人朋友们交流searchforinformationmakeusrelaxedwatchmovies听歌listentomusic带给我们很多乐趣bringusalotoffunQuickresponse.快速说出英文单词、短语对眼睛有害玩游戏用正确的方式花太多时间在（做）某事bebadforeyesspendtoomuchtimeonsth./(in)doingsth.playgamesinarightwayQuickresponse.快速说出英文单词、短语PlayagameSheisinterestedin

inventions.Let’sintroducesomeinventionstoher.SallyLead-inWhatistheinvention?Whenwasitinvented?Whataretheadvantagesanddisadvantagesoftheinvention?Howcanweusetheinvention?Howtointroduceaninvention?[ədˈvɑːntɪdʒ]

n.优势[ˌdɪsədˈvɑːntɪdʒ]

n.劣势FourgreatinventionsinancientChina.指南针活字印刷术火药造纸术[ˈkʌmpəs]papermakinggunpowder[ˈɡʌnpaʊdə(r)]printing[ˈprɪntɪŋ]Pre-writingThenewfourgreatinventionsinmodernChina.SharedBikes共享单车MobilePayment支付宝OnlineShopping网购High-SpeedRailway高铁Pre-writingcar

televisiontelephonePre-writingmoderninventions.What:carWho:KarlBenzWhen:1885Whatuse:travelThecarwasinvented________________.

It

wasinvented______________byhim.Itisusedfor________________.Pre-writingbyKarlBenzin1885travelingWhat:telephoneWho:AlexanderBell亚历山大贝尔When:1876Whatuse:makeacallPre-writingThetelephone____________________________.

It______________________________byhim.It_____________________________________.wasinventedbyBellwasinventedin1876isusedformakingacallWhat:TVWho:BairdWhen:1927Whatuse:spreadmessagesPre-writingTheTV____________________________.

It______________________________byhim.It_____________________________________.wasinventedbyBairdwasinventedin1927isusedforspreadingmessagesSheisinterestedinthecomputer,soshewantstoknowmoreaboutit.Pre-writingwasinventedbyBerrywasinventedin1971isusedforsearchingforinformationsomeadvantagestolistentomusicwatchmoviesmoreandmoreimportantHowever,therearealsosome

disadvantagesaboutit.

Asthesayinggoes,everycoinhastwosides.onisharmfultoisbadforshouldhadbetterLet’s/Letusinarightway=correctly=Weshouldmakegooduseofthecopmputer.Sheismoreinterestedinthemobilephone,solet’swriteaboutit.

手机在我们的生活中的作用越来越大,谈谈你对手机的看法。内容包括:

1.简介手机的重要性及它的发明时间(1973年）;

2.手机的利弊(各两点）;

3.呼吁人们合理使用手机。要求：1.意思连贯,语句通顺;词数不少于80。

人称时态要点第三人称第一人称一般现在时一般过去时1.手机的重要性及发明时间;3.手机的利弊;。While-writing1.简介手机的重要性及发明时间(1973年）

2.手机的利弊3.呼吁合理使用手机段落布局...important...wasinvented.....Therearemanyadvantagesabout.../...begoodfor...First,...Second,....Third,....Asthesayinggoes,everycoinhastwosides.However,therearealsosomedisadvantagesabout...../...bebadfor/...beharmfulto...

Foronething,...Foranotherthing,...