Unit4Topic3SectionD課件九年級(jí)英語(yǔ)上冊(cè)

Unit4AmazingScience

Topic3Chinaisthethirdnationthatsentapersonintospace.

SectionD

TeachingaimsBytheendoftheclass1.Somewords:certain,warn,might,housework2.Somephrases:forcertain,onone’sown,sofar,besurprisedat,nolonger3.Somesentences:(1)Nooneknowsforcertain,butmostpeoplethinkthatrobotswillbepartofourlives.(2)Inafewyears,perhapsrobotswillthinkontheirown,justaspeopleusetheirbrainsandactforthemselves.(3)Onescientistwarnsthatifrobotsstarttothinkforthemselves,theywillnolongerwanttobeourservants,butourmasters.3.Keypoints:

Reviewthegrammarattributiveclauses.4.Difficultpoints：

1.Onescientistwarnsthatifrobotsstarttothinkforthemselves，theywillnolongerwanttobeourservants，butourmasters.2.Nooneknowsforcertain，butmostpeoplethinkthatrobotswillbepartofourlives.Revisioninclass毫無(wú)疑問(wèn)讓某人一直做某事做生意在某人的幫助下例如訂貨和取消訂單出故障出現(xiàn)，產(chǎn)生多虧像平常一樣而不是，取代打開(kāi)/關(guān)掉/開(kāi)大聲點(diǎn)/關(guān)小聲點(diǎn)ReadthroughSectionsA-Candunderstandtheunderlinedparts.GrammarAttributiveClause(I)Heisournationalherowho/thattraveledaroundtheearthinShenzhouVfor21hoursin2003.Chinaisthethirdnationthatsentapersonintospace.Moreandmorepeoplehavepersonalcomputersthat/whichareusedtoplaygamesandwatchmovies.④先行詞表人用who/that,主語(yǔ)，賓語(yǔ)，表語(yǔ).先行詞表物用which/that,主語(yǔ)，賓語(yǔ)，表語(yǔ).先行詞表人或物的，用whose,即whose+n.

先行詞表時(shí)間用when,狀語(yǔ)先行詞表地點(diǎn)用where,狀語(yǔ)先行詞表原因用why,狀語(yǔ)

▲.1.當(dāng)關(guān)系代詞在從句中作主語(yǔ)時(shí)不能省略，作賓語(yǔ)時(shí)則可以省略.2.當(dāng)先行詞被序數(shù)詞、形容詞最高級(jí)修飾或是不定代詞或既有人又有物時(shí)，關(guān)系代詞只能用that，而不能用which.e.g.Thisisthebest

film

thatIhaveseen.3.關(guān)系代詞在定語(yǔ)從句中作主語(yǔ)時(shí)，從句的謂語(yǔ)動(dòng)詞的人稱(chēng)和數(shù)須和先行詞一致。e.g.I

don’t

like

people

who

talk

much

but

do

little.1.Sorry,wedon’thavethecoat________youneed.A.what

B.who

C.whom

D.which2.—Whatareyoudoing?

—Wearetalkingaboutthebooksandwriters________welike.A．that B．which C．who D．whom3.Doyouknowtheman________issittingbehindNancy?A.what

B.which

C.who

D.whom4.Thebook________heboughtyesterdayisveryinteresting.A./

B.why

C.when

D.what5.Ihavefoundsomepicturesofthemostinterestingplaces________youcanvisitduringthewinterholidays.A.where B.which C.what

D.that6.Mycousinisaboy______________oftenbringslotsoftrouble.7.Sallyborrowedabook______________waswrittenbyMarkTwain.8.DeepSeaisoneofthemostmovingmovies__________I’veeverseen.9.Whoisthewoman______________isrunningbytheriver?ExercisesinclassDACADwho/thatwhich/thatthatthatFunctionsAllofyoumustbeveryproud.ItprovesthatChinahasmadegreatprogressinitsspaceindustry.Thereisnodoubtthatcomputersareveryusefulintechnologyandbusiness.TheInternetismakingtheworldsmaller,likeavillage.Computershelpusatworkandathome,buttheymustbeusedproperly.1a.Discussthefollowingquestionsbeforereading.Thenreadandcheck.1.Doyoulikerobots?Whyorwhynot?2.Ifyouhadarobot,whatwouldyoulikeittodoforyou?1b.Findthewordsinthepassageaccordingtothefollowingmeanings.Thefirstletterisgiventohelpyou.

1.totellsomebodyaboutdangeroraboutsomethingbadthatmayhappen2.tomakesomethinghappenorappear3.apersonwhoispaidtodohouseworkforafamily4.sureandconfident,withoutanydoubts5.usedtosaythatsomethingmaybetrue,butyouarenotsure_______arnauseervantertainerhaps1.Doyouthinkrobotswillbepartofourlivesinthefuture?Why?2.Robotsareconsideredtobeourservants,aren’tthey?3.Doyouthinkrobotscanthinkoractforthemselves?4.Whydoesthetitlehaveaquestionmark?Yes.Actuallythey’vealreadybeenpartofourlives.No.Asahumanbeing,weshouldshowourrespecttoeverythingintheworldnotonlytootherhumanbutalsotothosewhoarealiveornot.No.Becausetheyhavenothouhts.Becausenooneknowstheanswerforcertainnow.1cRead1aagainanddiscussthequestionswithyourpartner.LanguagePoints1.forcertain=forsure“確切、肯定、無(wú)疑”，通常用于表達(dá)主語(yǔ)對(duì)某事物了解、知曉的肯定程度大。e.g.Iknowforcertaintha

tMikeisathome.becertain/sureof確信，深信

becertain/sureto必然；一定

benotcertain/surewhether...不能確定是否......

makecertain/sure(of,that)把......弄清楚，把......弄確鑿，保證2.causev.導(dǎo)致，引起/n.原因causesb.sth.給某人帶來(lái)....../引起......causesb.todosth.導(dǎo)致某人去做某事3.allthetime一直LanguagePointsintime意為“及時(shí)”，強(qiáng)調(diào)正好趕上事先約定的時(shí)間，沒(méi)有遲到；ontime意為“準(zhǔn)時(shí)”，指按計(jì)劃做某事，強(qiáng)調(diào)不遲到，不早不晚。fromtimetotime意為“時(shí)常；有時(shí)”，相當(dāng)于sometimes4.befriendlytosb.意為“對(duì)某人友好”，相當(dāng)于bekindtosb.5.workfor“為......工作”workon從事于workout解決（問(wèn)題）6.surprise（名詞），意為“驚奇；驚訝”（動(dòng)詞），意為“使驚奇，使感到意外”e.g.Tooursurprise，hepassedtheexam.e.g.Itsurprisedmetoseemanypeoplethere.▲surprised（形容詞），意為“感到驚奇的”，主語(yǔ)是人。surprising（形容詞），意為“令人驚訝的”，主語(yǔ)是物。LanguagePointsLanguagePointsEg:Wearetryingtowarnchildrenofthedangerofsmoking.Myteacherwarnedmenottobelateagain.Thenoticewarnspeopleagainstswimmingintheriver.Iwarnedhimthatplayingwithfirewasdangerous.10.thinkforoneself獨(dú)立思考11.nolonger=not……anylonger不再,表示時(shí)間上不再發(fā)生。nomore=not……anymore不再,表示數(shù)量或次數(shù)上不再發(fā)生。Eg:Youarenolongerachild.=Youaren'tachildanylonger.Pleasedon’tgothereanymore.12.treat（及物動(dòng)詞），意為“看待；當(dāng)作”，treat...as把……看作……Eg:Youcan'ttreatyourenemyasfriends.你不能把敵人當(dāng)作朋友。LanguagePointstreat（及物動(dòng)詞），意為“請(qǐng)客；招待”，treatsb.todosth.意為“請(qǐng)某人吃......”e.g.Shetreatedustosomedeliciouschicken.她請(qǐng)我們吃美味的雞肉。1.確切、肯定、無(wú)疑2.一定能做某事3.在幾年后4.獨(dú)自5.警告某人不做某事6.警告某人當(dāng)心某事7.對(duì)……吃驚8.把……看作9.一直10.不再11.到目前為止;迄今為止13.為......工作Exercisesinclass1.forcertain=forsure2.becertain/sureto3.inafewyears=inafewyears’time4.onone’sown=byoneself=alone5.warnsb.nottodosth.=warnsb.againstdoingsth.6.warnsb.about/ofsth.7.besurprisedatsth.8.treatsb.as=regardsb.as9.allthetime10.nolonger=notanylonger/nomore=not…anymore11.sofar12.causesb.todosth.13.workforExercisesinclass1.

HowdoesMr.Whitegetonwithhisstudents?

Verywell.Healways____them___hisownchildren.A.treats…to

B.treats…as

C.treats…for

D.treats…on2.ThemeetingwillbeheldinSeptember,butnobodyknowsthedate_______.A.forcertain

B.withpleasure

C.inall D.atlast3.Withtherapid________ofrobots,perhapsrobotswillthinkontheirownbrains.A.develop

B.development

C.increase

D.industry4.—Whatwillourfuturebelike?

—_______knows,Ithink.A.None B.Neither C.Noone D.Someone5.—Doyouknowthatwoman______iswearingareddress?—SheismyChineseteacher.A.who

B.which

C.what

D.this6.Theleaderwarnedus________thesamemistakeagain.A.make B.tomake C.nottomake D.notmake7.Mike_____hishometownsincehewasyoung.Asaresult,helikestothinkanddothings___.A.hasleft;byhimselfB.hasbeenawayfrom;onhisownC.hasleft;himselfD.hasleft;onhisown8.Hewas______mygreatprogress.“Ican’timagine!”heaidagainandagain.A.interestedin B.interestedtoC.surprisedat D.surprisedfo9.Theteacherwarnedus_____thedangerahead.A.toB.ofC.i