九年级英语上册-Unit-4-Amazing-Science-Topic-3-China-is-th

Unit4AmazingScience

Topic3Chinaisthethirdnationthatsentapersonintospace.

SectionD

1/20GrammarAttributiveClause(Ⅰ)Heisournationalherowho/thattraveledaroundtheearthinShenzhouVfor21hoursin.Chinaisthethirdnationthatsentapersonintospace.Moreandmorepeoplehavepersonalcomputersthat/whichareusedtoplaygamesandwatchmovies.2/20概念：1.在句子中修饰名词或代词，定语从句在句中充当定语。2.定语从句必须有先行词，并尽可能靠近先行词。3.在定语从句中，关系词在从句中充当成分。关系代词指人:who(主格，宾格)指物:which(主格，宾格)指人或物:thatReview3/201.Iknowtheboy.HecanspeakEnglishwell.Iknowtheboy

who/thatcanspeakEnglishwell.2.Maryboughtalittlebird.Itwasverypretty.Maryboughtalittlebirdthat/whichwasverypretty.

3.Theseasonissummer.Itcomesafterspring.Theseasonissummer

which/thatcomesafterspring.

4.Iknowtheboy.Youarelookingforhim.Iknowtheboy

who/thatyouarelookingfor.ExerciseChangethefollowingsentencesintoattributiveclause.4/20FunctionsAllofyoumustbeveryproud.ItprovesthatChinahasmadegreatprogressinitsspaceindustry.Thereisnodoubtthatcomputersareveryusefulintechnologyandbusiness.TheInternetismakingtheworldsmaller,likeavillage.Computershelpusatworkandathome,buttheymustbeusedproperly.5/20Fillintheblanks.1.It______(prove)thatChinahasmadegreatprogressinitsspaceindustry.2.Theyspent2.5hours__________(explore)andcollectingsoilandrockstotakebacktoearth.3.Iadviseyoutodiscovernewwaystomakecomputers_______(serve)usbetter.4.Thewholeworldis________(connect)bytheInternet.5.Spaceshipswhichnow________(main)useelectroniccontrolsusedtobecontrolledbyastronauts.provesexploringserveconnectedmainlyExercise6/20Talkabouttheadvantagesofthecomputer.7/20Talkaboutthedisadvantagesofthecomputer.8/20Doyoulikerobots?Whyorwhynot?Ifyouhadarobot,whatwouldyoulikeittodoforyou?9/201bFindthewordsinthepassageaccording

tothefollowingmeanings.Thefirstletter

isgiventohelpyou.

1.totellsomebodyaboutdangeroraboutsomethingbadthatmayhappen2.tomakesomethinghappenorappear3.apersonwhoispaidtodohouseworkforafamily4.sureandconfident,withoutanydoubts5.usedtosaythatsomethingmaybetrue,butyouarenotsure1.w________2.c_________3.s________4.c_________5.p_________arnauseervantertainerhaps10/201.Nooneknowsforcertain,butmostpeoplethinkthatrobotswillbepartofourlives.没有些人清楚，不过大部分人都认为机器人会成为我们生活一部分。

certainadj.1.[只作表语]确凿，无疑，可靠2.[只作表语，后跟动词不定式或of,that]一定，必定，有把握，确信；一定会来到或发生3.[只作定语]某，某一(些)；相当，一定程度；一些，有点儿，某种4.习惯用语

becertainof确信，深信

becertainto必定；一定

benotcertainwhether...不能确定是否......

forcertain必定地，确凿地

makecertain(of,that)把......搞清楚，把......弄确凿，确保Languagepoints11/202.Inafewyears,perhapsrobotswillthinkontheirown,justaspeopleusetheirbrainsandactforthemselves.多年以后，可能机器人会有自己思想，就像人们使用自己大脑和自己行动一样。

onone’sown独自，单独3.Onescientistwarnsthatifrobotsstarttothinkforthemselves,theywillnolongerwanttobeourservants,butourmasters.曾有科学家警告，假如机器人开始自我思索，他们将不再愿意成为我们仆人，而是想成为我们主人。warnsb.(not)todosth.警告某人（不要）干某事

warnsb.aboutsth.提醒、警告某人注意某事

warnsb.against(doing)sth.警告某人某事

Languagepointsv.警告12/20KeyWords

forcertain–bepartof–befriendly–sofar–cause–allthetime–besurprisedat–onone’sown–thinkforoneself–warn–nolonger–treat…as–between…andRetellit13/201cRead1aagainanddiscussthe

questionswithyourpartner.

1.Doyouthinkrobotswillbepartofourlivesinthefuture?Why?2.Robotsareconsideredtobeourservants,aren’tthey?3.Doyouthinkrobotscanthinkoractforthemselves?4.Whydoesthetitlehaveaquestionmark?14/20Nooneknowsfor________whatourfuturewillbelike,butmostpeoplethinkthatrobotswillbepartofour_____.Sofar,robotshaven’t_______usanyproblems.Theyworkforuslike_______allthetime.Theyhelpusdo__________anddifficultwork.Peopleare________attherapiddevelopmentofrobots.Inafewyears,perhapsrobotswillthinkon_______own,justaspeopleusetheirbrainsandactforthemselves.However,oncerobotscanthinkforthemselves,problemsmayappear.Onescientist_____thatifrobotsstarttothinkforthemselves,theywillno_______wanttobeourservants,butourmasters.They_______treatusaswenowtreatourpets.Exerciseslong,they,surprise,cause,certainly,live,servant,danger,warn,maycertainlivescausedservantsdangeroussurprisedtheirwarnslongermight15/20Fillintheblanks.There’s__________(无疑地)thatChinahasmadegreatprogressinitsspaceindustry.________(微型)novelsareverypopularwithchildren.Theflightwas________(取消)becausethere’llbeaheavyfogabovetheairport.Spaceshipscantraveltootherplanets.________(除……以外),humanshavebuiltspacestations.5.Nooneknows______________(确切地),butmostpeoplethinkthatrobotswillbepartofourlives.6.Perhapsrobotswillthink________________(独自，单独)inafewyears.nodoubtTinycanceledBesidesforcertainontheirown

Exercises16/20MakingaWallNewspaperAboutComputerInformation

1.Collectthefollowinginformationfrombooks,newspapers,theInternetandsoon.thepartsofthecomputerthekindsofcomputersthedevelopmentofthecomputer

2.Discusstheusesofcomputersindailylifeandtechnologyingroups.3.Designawallnewspaperaboutthecomputer.Project17/20SummaryWelearn:1.Somewords:certain,warn,might,