Unit 4 Amazing Science Topic 3 China is the third nation that sent a person into space Section D 课件-仁爱版英语九年级上册

Unit4AmazingScienceTopic3ChinaisthethirdnationthatsentapersonintospaceSectionD

Freetalk1.Doyoulikerobots?Whyorwhynot？2.Ifyouhadarobot,whatwouldyoulikeittodoforyou?Talkabouttheadvantagesofthecomputer.searchforinformationabout....ontheinternet.chatwithourfriendsfacetoface.seethedoctorsonline.watchmovies,playgames,shoponlinewithoutgoingout....Robots-OurServantsinthefuture?forcertain确切地

目前helpsb.dosth.onone’sown独立地

besurprisedat对..感到惊奇Talkaboutthedisadvantagesofthecomputer.Ifweplaythecomputerforalongtime,wemayhavesoreeyesandheadache.It’sbadforourneckandwaistwhenweusecomputerforalongtime.1bFindthewordsinthepassageaccordingtothefollowingmeanings.Thefirstletterisgiventohelpyou.

1.totellsomebodyaboutdangeroraboutsomethingbadthatmayhappen2.tomakesomethinghappenorappear3.apersonwhoispaidtodohouseworkforafamily4.sureandconfident,withoutanydoubts5.usedtosaythatsomethingmaybetrue,butyouarenotsure1.w________2.c_________3.s________4.c_________5.p_________arnauseervantertainerhapsKeypoints1.Nooneknowsforcertain,butmostpeoplethinkthatrobotswillbepartofourlives.没有人清楚，但是大部分人都认为机器人会成为我们生活的一部分。

forcertain肯定地，确凿地介词+名词=副词insilence安静地insuprise惊讶地Keypoints2.Inafewyears,perhapsrobotswillthinkontheirown,justaspeopleusetheirbrainsandactforthemselves.多年以后，也许机器人会有自己的思想，就像人们使用自己的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，如果机器人开始自我思考，他们将不再愿意成为我们的仆人，而是想成为我们的主人。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

PhrasesandSentences1.确切知道/肯定地说：

2.迄今为止：

3.一直：

4.对……感到惊讶：5.……的快速发展：

6.独立思考：7.不再……：

8.作为……看待：9.做家务活：

10.毫无疑问：

11.没有人确切地知道我们的未来会是什么样子的。

12.机器人可以帮助我们做一些危险和困难的工作。

13.人们惊讶于机器人的飞速发展。

know/sayforcertainsofarallthetime

besurprisedat..therapiddevelopmentof

thinkonone’sown/thinkforoneselfnolonger/not...anylongertreat...as...dohouseworkwithoutanydoubts

NooneknowsforcertainwhatourfuturewillbelikeRobotscanhelpusdodangerousanddifficultworkPeoplearesurprisedattherapiddevelopmentofrobots.GrammarAttributiveClause(Ⅰ)Heisournationalherowho/thattraveledaroundtheearthinShenzhouVfor21hoursin2003.Chinaisthethirdnationthatsentapersonintospace.Moreandmorepeoplehavepersonalcomputersthat/whichareusedtoplaygamesandwatchmovies.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，并尽量靠近先行词。

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(主语，宾语)指物:which(主语，宾语)指人或物:that

（先行词有人有物，有the最高级/序数词/very/last/only修饰时）Practice1.Iknowtheboy.HecanspeakEnglishwell.Iknowtheboy

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

3.Theseasonissummer.Itcomesafterspring.Theseasonissummer

which/thatcomesafterspring.

4.Iknowtheboy.Youarelookingforhim.Iknowtheboy

who/thatyouarelookingfor.GrammarExercise（）1.Sorry,wedon’thavethecoat________youneed.A.what B.who C.whom D.which（）2.Thisisthedictionary________mumgavemeformybirthday.A.which B.what C.whose D.whom（）3.Doyouknowtheman________issittingbehindNancy?A.what

B.which C.who D.whom（）4.Thebook________heboughtyesterdayisveryinteresting.A./ B.why

C.when

D.what（）5.Ihavefoundsomepicturesofthemostinterestingplaces________youcanvisitduringthewinterholidays.A.where B.which

C.what

D.thatFunctionsAllofyoumustbeveryproud.ItprovesthatChinahasmadegreatprogressinitsspaceindustry.Thereisnodoubtthatcomputersareveryusefulintechnologyandbusiness.TheInternetismakingtheworldsmaller,likeavillage.Computershelpusatworkandathome,buttheymustbeusedproperly.What’smore,而且anotherfourspaceships另外四架宇宙飞船makeprogress取得进步 withthehelpof在...的帮助下berealized=cometrue实现

makeupone’smindtodo下决心做usedtodo过去常常做 insteadof取代be/getusedtodoing习惯做 Forinstance,=forexample例如advisesb.todo建议某人去做..Thereisnodoubtthat毫无疑问1.It______(prove)thatChinahasmadegreatprogressinitsspaceindustry.2.Theyspent2.5hours__________(explore)andcollectingsoilandrockstotakebacktoearth.3.Iadviseyoutodiscovernewwaystomakecomputers_