Doyouknow?WhataretheFourGreatInventionsintheancientChina?Unit6Whenwasitinvented?R九年级上册SectionA(1a-2d)Doyouknowwhenitwasinvented?Whowasitinventedby?毕升Doyouknowwhenitwasinvented?Whowasitinventedby?Lookatthethingsbelow.Inwhatorderdoyouthinktheywereinvented?Discussthemwithyourgroup.Thennumberthem【1-4】(1=first,4=last).1aIthinktheTVwasinventedbeforethecar.Well,IthinktheTVwasinventedafterthecar.语法重点一IthinktheTVwasinventedbeforethecar.我认为电视比汽车发明得早。这是一个主从复合句，think后面跟了一个宾语从句。因为主句是一般现在时态，从句根据句意用了一般过去时态。wasinvented意为“被发明”，此结构为一般过去时的被动语态。一般过去时的被动语态的结构为“was/were+及物动词的过去分词”。如：Thesetreeswereplantedlastyear.Thecarwasboughtyesterday.（2）invent做动词，意为“发明，创造”，指发明以前没有的新东西。当物做主语时，常用被动语态。invention名词，意为“发明物”；inventor名词，意为“发明家，发明者”。如：Edison,agreatinventor,inventedmanygreatinventionsduringhislife.Manyinventionhavebeeninventedlastyear.Listenandmatchtheinventionswiththeyears._____1876_____1885_____1927_____19761bStudentB,coverthedates.StudentA,askStudentBwhenthethingsinthepicturein1bwereinvented.Thenchangerolesandpracticeagain.1cWhenwasthetelephoneinvented?Ithinkitwasinventedin1876.Listenandnumbertheinventions【1-3】intheorderyouhearthem.2a________shoeswithspecialheels________shoeswithlights________hotice-creamscoop,runsonelectricityListenagainandcompletethechartbelow.2bInventionWhatisit/aretheyusedfor?shoeswithspecialheels_________thestyleoftheshoesshoeswithlightsseeing____________hotice-creamscoop___________reallycoldice-creamMakeconversationsusingtheinformationin2b.Whataretheyusedfor?They’reusedfor…2c语法重点二Whataretheyusedfor?它们是用来做什么的？beusedforsth./doingsth.意为“被用来做某事”，表示用途或目的，后接名词或动名词，相当于beusedtodosth。如：Clothesareusedforkeeping(=tokeep)warm.Woodcanbeusedforbuilding(=tobuild)houses.Thestickisusedtowriteontheblackboard.Role-playtheconversation.2dHeyRoy,thesubjectformyschoolprojectis“Smallinventionsthatchangedtheworld.”Canyouhelpmethinkofaninvention?Mypleasure!Letmethink…hmm…Iknow!Thezipper!Thezipper?Isitreallysuchagreatinvention?Thinkabouthowoftenit’susedinourdailylives.Youcanseezippersondresses,trousers,shoes,bags…almosteverywhere!Well,youdoseemhaveapoint…Ofcourse!IthoughtaboutitbecauseIsawawebsitelastweek.Thepioneersofdifferentinventionswerelistedthere.Forexample,itmentionedthatthezipperwasinventedbyWhitcombJudsonin1893.Butatthattime,itwasn’tusedwidely.Really?Sowhendiditbecomepopular?Around1917.语法重点三Thepioneersofdifferentinventionswerelistedthere.不同的发明的先驱者都列在这里。pioneer作名词，意为“先锋；开拓者；先驱”。如：HewasapioneerintheuseofX-rays.Iseeeverybodyasapioneeroutthere.作动词，意为“开辟；首倡”。如：Shepioneeredtheuseofthedrug.1.Thetelephone___byawell-knownscientist,Edison.A.inventedB.inventingC.wasinvented2.Englishisused___asecondlanguage___peopleinmanycountries.A.as,byB.for,byC.as,for小结训练3.----Whatisthebottleusedfor?----Itisused_____holdthewater.A.formetoB.bymetoC.formefor4.Heisfamousforthe_____he____.A.invention/inventionB.invention/inventedC.inventor/invention1.完成课时作业1。2.熟读并背诵2d对话。同学们，这一课学习的单词你们都掌握了吗？现在大家来检验一下，点击下面的视频开始听写吧！学习专看文学书，也是不好的。先前的文学习专看文学书，也是不好的。先前的文学青年，往往厌恶数学理化史地生物学，学青年，往往厌恶数学理化史地生物学，以为这些都无足轻重，后来变成连常识也以为这些都无足轻重，后来变成连常识也没有。没有。————鲁迅鲁迅
