Unit4Topic1SectionC課件九年級英語上冊

Unit4AmazingScience

Topic1Whenwasitinvented?SectionC

Teachingaims1.據(jù)說2.不僅…而且…7.被...廣泛的使用8.超過，多于9.與……不同Revisioninclass1.It’ssaidthat+從句2.notonly...butalso...3.duringone’slife=inone’slife4.gothisway5.sothat6.atthattime7.bewidelyusedby...8.morethan9.bedifferentfrom10.allovertheworld=aroundtheworld=throughoutthewordRevisioninclass語法：

一般過去時的被動語態(tài)be動詞(was/were)+及物動詞的過去分詞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

相當(dāng)于情態(tài)動詞+be動詞形式，后跟名詞或形容詞；maybe（副詞），意為“可能，大概，或許”，后跟句子。eg.Hemaybeateacherinamiddleschool.=Maybeheisateacherinamiddleschool.2.happen（不及物動詞），意為“（偶然）發(fā)生”，關(guān)于happen的短語：①sth.+happen+地點/時間，意為“某地/某事發(fā)生了某事”e.g.Anaccidenthappenedinthatstreet.②sth.+happentosb.意為“某人出了某事（常指不好的事）”e.g.Acaraccidenthappenedtoherthismorning.③sb.+happentodosth.意為“某人碰巧做某事”e.g.Ihappenedtomeetmyfriendyesterday.Exercisesinclass▲

①happen“發(fā)生；碰巧”，一般用于偶然或突發(fā)性事件。e.g.Howdidtheaccidenthappen？

②takeplace“發(fā)生；舉行；舉辦”，一般指非偶然性事件的“發(fā)生”，即事件的發(fā)生一定有某種原因或事先經(jīng)過安排。e.g.ThecelebrationceremonytakesplaceinJulyeveryyear.3.theresultof意為“......的結(jié)果”▲①asaresult意為“結(jié)果；因此”，單獨使用。后面一般用逗號與句子隔開。e.g.Sheworkshard.Asaresult，shepassedtheexameasily.②asaresultof...意為“因為......；由于......”，相當(dāng)于becauseof。e.g.Shewaslateastheresultoftheheavysnow.4.brainstormforideas集思廣益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.出現(xiàn)；發(fā)生3.在許多方面,以許多方式10.與...分享12.……的結(jié)果13.給----做一個詳細(xì)的規(guī)劃ExercisesinclassExercisesinclassBCACABBAC1.

Peopleusedthelightbulbswidelyinthepast.(改為被動語態(tài)）Thelightbulbs___________________bypeopleinthepast.2.Wecanlaunchspaceshipstoexploreotherplanets.(改為被動語態(tài)）Spaceships______