Unit4Topic1SectionC课件九年级英语上册

Unit4AmazingScience

Topic1Whenwasitinvented?SectionC

Teachingaims1.据说2.不仅…而且…7.被...广泛的使用8.超过，多于9.与……不同Revisioninclass1.It’ssaidthat+从句2.notonly...butalso...3.duringone’slife=inone’slife4.gothisway5.sothat6.atthattime7.bewidelyusedby...8.morethan9.bedifferentfrom10.allovertheworld=aroundtheworld=throughoutthewordRevisioninclass语法：

一般过去时的被动语态be动词(was/were)+及物动词的过去分词E.g.Ane-mailwassenttoherfriendbyJaneyesterday.Ane-mailwasn’tsenttoherfriendbyJaneyesterday.Wasane-mailsenttoherfriendbyJaneyesterday?Whowasthee-mailsenttobyJaneyesterday?RevisioninclassBCBDCwasmadeweretakenwasboughtwasn’tfinished1a.Workingroupsanddiscussthequestionsbeforereading.1.Thetextismainlyabout_______A.WhatisaninventionB.HowtomakeaninventionC.Inventingisinteresting2.Whatisaninvention?3.Listsomeinventionsthatyouknowandtheirinventors.4.Doyouthinkyoucanbeaninventor?Why?BAninventionmaybeanewproductoranewwayofdoingthings.Yes,inventingisinterestingandexcitingandeveryonecanbeaninventor.1b.Readandputthesentencesinthecorrectplaces.A.Drawyourinvention.B.Nameyourinvention.C.Testyourinvention.D.Useyourimagination.E.Plananddesignyourinvention.ParagraphTwoParagraphThreeParagraphFourParagraphFive

ParagraphSix

1c.Read1aagainandfillintheblanks.

Whenyouwanttohaveaninvention,firstyoumustuseyour___________.Thenyoushouldplananddesignit.Carefulplanningisvery_________intheinvention.Third,youshouldmakea_______drawingofyourinventionandmakeamodelofit.Ifyouwanttomakeyourinventionmoresuccessful,youmust______itagainandagain.Afterthat,you_______yourinvention.Last,rememberthatyoushould_______yourinventionwithothers.imaginationimportantdetailedtestnameshareExercisesinclass1.maybe

相当于情态动词+be动词形式，后跟名词或形容词；maybe（副词），意为“可能，大概，或许”，后跟句子。eg.Hemaybeateacherinamiddleschool.=Maybeheisateacherinamiddleschool.2.happen（不及物动词），意为“（偶然）发生”，关于happen的短语：①sth.+happen+地点/时间，意为“某地/某事发生了某事”e.g.Anaccidenthappenedinthatstreet.②sth.+happentosb.意为“某人出了某事（常指不好的事）”e.g.Acaraccidenthappenedtoherthismorning.③sb.+happentodosth.意为“某人碰巧做某事”e.g.Ihappenedtomeetmyfriendyesterday.Exercisesinclass▲

①happen“发生；碰巧”，一般用于偶然或突发性事件。e.g.Howdidtheaccidenthappen？

②takeplace“发生；举行；举办”，一般指非偶然性事件的“发生”，即事件的发生一定有某种原因或事先经过安排。e.g.ThecelebrationceremonytakesplaceinJulyeveryyear.3.theresultof意为“......的结果”▲①asaresult意为“结果；因此”，单独使用。后面一般用逗号与句子隔开。e.g.Sheworkshard.Asaresult，shepassedtheexameasily.②asaresultof...意为“因为......；由于......”，相当于becauseof。e.g.Shewaslateastheresultoftheheavysnow.4.brainstormforideas集思广益ExercisesinclassExercisesinclass

1.Lightbulbiswidely_______peopletoday.A.usedby

B.usingby

C.usedof

D.usedto2._____thathehasstudiedabroadforfiveyears.A.Itissaid B.Itsays

C.ThatissaidD.Itwassaid3.Abigsupermarket_____inourcitylastyear.A.isbuilt

B.werebuilt

C.wasbuilt

D.hasbeenbuilt4.Itissaidthatpotatochips_____bymistakeaboutonehundredyearsago.A.wereinvented

B.invented

C.areinvented5.Wechat（微信）wasinvented______Tencent______2011.A.by,on

B.in,by

C.by,in

D.on,by6.NotonlyMikebutalsohisparents_______fondofwatchingbasketballmatches.A.are

B.is

C.was D.be7.Manystudents______chancestoshowthemselvesinclassbecausetheclasssizeistoobig.A.don’tgive B.aren’tgiven

C.haven’tgiven D.won’tgive8.Itistruethatknowledge______ratherthanbeingtaught.A.learns B.learned C.islearned

D.waslearned9.Theairplanewasinventedin1903.It’svery______today’s.A.thesameas B.sameas C.differentto

D.differentfromAACACABCD2Discusswithyourpartnerwhichofthefollowingsarethetop3mostimportantinventionsandwhichistheleastimportantinvention.Thenexplainyourchoicetotheclass.Example:

Ithinkzeroisthemostimportantinvention.ItissaidthatitwasinventedbyanIndian.Itisaveryinterestingnumber.Forexample,Ihaveonlytenyuan.Ifyouaddfivezerosafteritforme,haha,Iwillbearichman.

Beforewriting,thinkmoreclearlyandtellaboutthelooks,uses,advantagesanddisadvantagesofanobject.3.Doyouknowhowtobeaninventor?Doyouwanttoinventsomething?Writeapassageaboutyourinvention.Thefollowingquestionsmayhelpyou.

Youmaywritelikethis:1.做某事的方法2.出现；发生3.在许多方面,以许多方式10.与...分享12.……的结果13.给----做一个详细的规划ExercisesinclassExercisesinclassBCACABBAC1.

Peopleusedthelightbulbswidelyinthepast.(改为被动语态）Thelightbulbs___________________bypeopleinthepast.2.Wecanlaunchspaceshipstoexploreotherplanets.(改为被动语态）Spaceships______