Unit4Topic3SectionD課件九年級英語上冊

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毫無疑問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/關(guān)掉/開大聲點/關(guān)小聲點ReadthroughSectionsA-Candunderstandtheunderlinedparts.GrammarAttributiveClause(I)Heisournationalherowho/thattraveledaroundtheearthinShenzhouVfor21hoursin2003.Chinaisthethirdnationthatsentapersonintospace.Moreandmorepeoplehavepersonalcomputersthat/whichareusedtoplaygamesandwatchmovies.④先行詞表人用who/that,主語，賓語，表語.先行詞表物用which/that,主語，賓語，表語.先行詞表人或物的，用whose,即whose+n.

先行詞表時間用when,狀語先行詞表地點用where,狀語先行詞表原因用why,狀語

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

film

thatIhaveseen.3.關(guān)系代詞在定語從句中作主語時，從句的謂語動詞的人稱和數(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、無疑”，通常用于表達主語對某事物了解、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.導致，引起/n.原因causesb.sth.給某人帶來....../引起......causesb.todosth.導致某人去做某事3.allthetime一直LanguagePointsintime意為“及時”，強調(diào)正好趕上事先約定的時間，沒有遲到；ontime意為“準時”，指按計劃做某事，強調(diào)不遲到，不早不晚。fromtimetotime意為“時常；有時”，相當于sometimes4.befriendlytosb.意為“對某人友好”，相當于bekindtosb.5.workfor“為......工作”workon從事于workout解決（問題）6.surprise（名詞），意為“驚奇；驚訝”（動詞），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”，主語是人。surprising（形容詞），意為“令人驚訝的”，主語是物。LanguagePointsLanguagePointsEg:Wearetryingtowarnchildrenofthedangerofsmoking.Myteacherwarnedmenottobelateagain.Thenoticewarnspeopleagainstswimmingintheriver.Iwarnedhimthatplayingwithfirewasdangerous.10.thinkforoneself獨立思考11.nolonger=not……anylonger不再,表示時間上不再發(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（及物動詞），意為“看待；當作”，treat...as把……看作……Eg:Youcan'ttreatyourenemyasfriends.你不能把敵人當作朋友。LanguagePointstreat（及物動詞），意為“請客；招待”，treatsb.todosth.意為“請某人吃......”e.g.Shetreatedustosomedeliciouschicken.她請我們吃美味的雞肉。1.確切、肯定、無疑2.一定能做某事3.在幾年后4.獨自5.警告某人不做某事6.警告某人當心某事7.對……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