Unit4Topic3SectionD课件-仁爱科普版（2012）英语九年级上册

Unit4AmazingScience

Topic3Chinaisthethirdnationthatsentapersonintospace.

SectionDMaster

1.Somewords:

servantcertain,warn,might,housework

2.Somephrases:

forcertain,onone’sown,sofar,besurprisedat,nolonger

3.Somesentences:(1)Nooneknowsforcertain,butmostpeoplethinkthatrobotswillbepartofourlives.(2)Inafewyears,perhapsrobotswillthinkontheirown.Wecan:

1.SummarizetheusageofAttributiveClause.2.Learnaboutsomeknowledgeofrobots.

LearningaimsReadthroughSectionsA-Candunderstandtheunderlinedparts.GrammarAttributiveClause(I)Heisournationalherowho/thattraveledaroundtheearthinShenzhouVfor21hoursin2003.Chinaisthethirdnationthatsentapersonintospace.Moreandmorepeoplehavepersonalcomputersthat/whichareusedtoplaygamesandwatchmovies.定语从句Revision定语从句（1）含义：修饰某一名词或代词的从句叫定语从句。一般紧跟在它所修饰的先行词之后。（2）先行词：被定语从句修饰的词叫先行词。（3）关系词：①含义：引导定语从句的词叫关系词，关系词有关系代词和关系副词。

②关系代词有that,which,who,whom,whose,as等；关系副词有when,where,why等。

③作用：引导定语从句；代替先行词；在定语从句中担当一个成分。e.g.Thefish

that/which

comefromtherivercan’t

liveinthesea.（先行词）（关系代词）Theworkers

that/whoworkveryhardcangetmoremoney.（先行词）（关系代词）

④先行词表人用who/that,主语，宾语，表语.先行词表物用which/that,主语，宾语，表语.先行词表人或物的，用whose,即whose+n.

先行词表时间用when,状语先行词表地点用where,状语先行词表原因用why,状语

▲.1.当关系代词在从句中作主语时不能省略，作宾语时则可以省略.2.当先行词被序数词、形容词最高级修饰或是不定代词或既有人又有物时，关系代词只能用that，而不能用which.e.g.Thisisthebest

film

thatIhaveseen.3.关系代词在定语从句中作主语时，从句的谓语动词的人称和数须和先行词一致。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.1aDiscussthefollowingquestionsbeforereading.Thenreadandcheck.1.Doyoulikerobots?Whyorwhynot?2.Ifyouhadarobot,whatwouldyoulikeittodoforyou?1b.Findthewordsinthepassageaccordingtothefollowingmeanings.Thefirstletterisgiventohelpyou.

1.totellsomebodyaboutdangeroraboutsomethingbadthatmayhappen2.tomakesomethinghappenorappear3.apersonwhoispaidtodohouseworkforafamily4.sureandconfident,withoutanydoubts5.usedtosaythatsomethingmaybetrue,butyouarenotsure1.w________2.c_________3.s________4.c_________5.p_________arnauseervantertainerhaps1.Doyouthinkrobotswillbepartofourlivesinthefuture?Why?2.Robotsareconsideredtobeourservants,aren’tthey?3.Doyouthinkrobotscanthinkoractforthemselves?4.Whydoesthetitlehaveaquestionmark?Yes.Actuallythey’vealreadybeenpartofourlives.No.Asahumanbeing,weshouldshowourrespecttoeverythingintheworldnotonlytootherhumanbutalsotothosewhoarealiveornot.No.Becausetheyhavenothouhts.Becausenooneknowstheanswerforcertainnow.1cRead1aagainanddiscussthequestionswithyourpartner.CarefulreadingParagraph1

Robots——OurServantsintheFuture?

Whatwillourfuturebelike?Nooneknows

forcertain,butmostpeoplethinkthatrobotswillbepartofourlives.Willtheybefriendlyorunfriendly?Whatwill...belike?相当于Howwill..be?。类似的用法还有：

What’stheweatherlike?=Howistheweather?forcertain肯定=forsure.练习：Whatwillour______（未来）belike?Nooneknowsitfor_______（确信）futurecertainListenandfollow,thenfindoutthekeypoints.Paragraph2Listenandfollow,thenfindoutthekeypoints.

Sofar,robotshaven’tcausedusanyproblems.Theyworkforuslikeservantsallthetime.Theyhelpusdodangerousanddifficultwork.allthetime一直helpsb.(to)dosth.

帮助某人做某事helpsb.withsth.

帮助某人某事cause

v.导致，引起/

n.原因causesb.sth.

给某人带来....../引起......causesb.todosth.

导致某人去做某事

Paragraph3Listenandfollow,thenfindoutthekeypoints.Peoplearesurprisedat

therapiddevelopmentofrobots.Inafewyears,perhapsrobotswillthinkontheirown,justaspeopleusetheirbrainsandactforthemselves.However,oncerobotscanthinkforthemselves,problemsmayappear.Onescientistwarnsthatifrobotsstarttothinkforthemselves,theywillnolongerwanttobeourservants,butourmasters.Thescientistalsowarnsthatifwearelucky,theymighttreatusaswenowtreatourpets;ifwearenotlucky,whoknowswhatwillhappen?Perhapstherewillbeawarbetweenhumanbeingsandrobots.对...感到吃惊...的快速发展独自不再在...和...之间1.

Sofar,robotshaven'tcauseusanyproblems.

到目前为止，机器人还没有给我们带来任何麻烦。

考点：

(2)表示“迄今”“到目前为止”，相当于uptonow,tillnow。当

sofar修饰谓语动词且表示一直持续到现在时，谓语动词通常要用现在完成时。eg.Sofartherehasbeennobadnews.到现在为止还没有什么坏消息。Sofar50peoplehavediedinthefighting.

到现在为止，已有50人在战斗中丧生。(3)表示“仅到一定程度”“仅在有限的范围内”，此时句子谓语动词也需要根据具体语境来确定时态。eg.Icanonlyhelphimsofar.我只能帮他到这种程度。Languagepoints2.

Onescientistwarnsthatifrobotsstarttothinkforthemselves,theywillnolongerwanttobeourservants,butourmasters.一位科学家警告说，如果机器人开始为自己考虑，它们就不是再想做我们的仆人，而是想做我们的主人。

考点：

warn的具体用法：(1)warnsb.againstdoingsth.“告诫某人不要做某事”。Thedoctorwarnedthepatientagainstsmoking.

医生告诫病人不要抽烟。eg.Theteacherwarnedthechildrenagainstplayingonthestreet.

老师告诫孩子们不要在街上玩。Languagepoints2.

Onescientistwarnsthatifrobotsstarttothinkforthemselves,theywillnolongerwanttobeourservants,butourmasters.

考点：

warn的具体用法：(2)warnsb.(not)todosth.

"告某(不)要做某事”。eg.Iwarnedhimtobecareful.我告诫他要小心。Iwarnedhimtostayaway.我告诫他别靠近。Hewarnedmenottogooutwithher.

告诫过我不要同她一起出去。比较：Hewarnedmenottogooutatnight.=Hewarnedmeagainstgoingoutatnight.他叫我不要晚上出去。Languagepoints1.确切、肯定、无疑2.一定能做某事3.在几年后4.独自5.警告某人不做某事6.警告某人当心某事7.对……吃惊8.把……看作9.一直10.不再11.到目前为止;迄今为止12.导致某人去做某事13.为......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