2019春九年级英语下册Unit4LifeonMars第3课时Reading2教学课件新版牛津版.ppt

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,LifeonMars,9BUnit4Reading,Reading2,RevisionA:AnswerthefollowingquestionsaboutthelifeonMars.,WhenwillpeoplemovetotheplanetMars?WhywillweleaveourownplanetEarth?HowlongdoesthespacecraftneedtogettoMarsatpresent?Whatmightbethespeedofthespaceshuttleby2100?WhatwilltheplantsthatcangrowonMarsprovideuswith?,Bytheyear2100.,BecauseEarthisbecomingmoreandmorecrowdedandpolluted.,Ittakesmonths.,Athalfthespeedoflight.,Theywillprovideuswithfoodandoxygen.,6.WhatwillbeaproblemfortheearlysettlersonMars?7.Howcanpeoplepreventthisproblem?8.WhataretheadvantagesforpeopleonMars?9.Whatcanthestudentsdoinonlineschools?10.Whereshouldthestudentsconnecttheircomputers?,Gravity.,Humanswillhavetowearspecialbootstomakethemselvesheavier.,a.Morespaceb.Moretimec.Noschool.,Theycanstudy,dotheirhomeworkandtakeexams.,Theyshouldconnecttheircomputerstoaninterplanetarynetwork.,RevisionB:Fillintheblankswithproperwords.,Ourownplanet,earth,isbecomingmoreandmore_and_.Hopefully,wecanbuildabetterworldon_bytheyear2100.First,_shouldbebetter.Atpresent,itwilltakethespacecraftmonthstocarrylarge_ofpeopletoMars.By2100,the_couldtakeonlyafewhoursinspaceshuttlesthattravelathalfthespeedoflight.Gravitywillbeaproblemfortheearly_onMars.ThegravityonMarsisonlyabout_ofthegravityonEarth.Thatwouldbe_becausepeoplecould_jumptoohighand_intospace.To_this,humansonMarshavetowear_bootstomakethemselves_.Thesebootswillprobablybecomevery_andtherewillbe_designsforsettlersto_from.,crowded,polluted,Mars,transport,numbers,journey,settlers,three-eighths,dangerous,easily,float,away,prevent,special,heavier,fashionable,various,choose,Task1:Pleasegivethephrasesasmanyaspossible.,Task2:Importantpoints.,1.Atthemoment,itmaybedifficulttoimagine,butmanypeoplebelievethatwewillliveontheplanetMars,bytheyear2100.,WearehavingEnglishlessonatthemoment.,atthatmoment;foramoment;inamoment;,atthemoment,=,atpresent,=,now,atthatmoment;atthemomentforamoment;inamoment;,Amonthago,IdontknowhowtolearnEnglishwell._,Iwasonlysatisfiedwithunderstandingthemainideasofthearticles.ButIknowweshouldspeaktoimproveourEnglish_.SoIwouldliketospeakEnglishwithyou_.Dontgoaway,wewillstart_.,Atthatmoment,atthemoment,foramoment,inamoment,2.Ourownplanet,earth,isbecomingmoreandmorecrowdedandpolluted.,越来越多的年轻人喜欢玩电脑游戏。,Moreandmorepeoplelikeplayingcomputergames.,你越来越漂亮了。,Youaremoreandmorebeautiful.,moreandmore+n.,moreandmore+adj.(多音节),越来越年轻越来越快越来越聪明越来越细心越来越好越来越舒服,Atthemoment,Iwantyoutosayasentencetopraise(赞扬)yourpartneroryourbestfriendwiththe“comparative+comparative”.,comparative+comparative,越来越,youngerandyounger,fasterandfaster,cleverandclever,moreandmorecareful,betterandbetter,moreandmorecomfortable,3.Atpresent,ourspacecraftaretooslowtocarrylargenumbersofpeopletoMars.,(1).too+adj.+todo,Sandy太小了而不能去上学。,Sandyistooyoungtogotoschool.,.so.that.cant.,Sandyissoyoungthatshecantgotoschool.,.adj.+enoughtodo.,Sandyisnotoldenoughtogotoschool.,=,=,Itstimeforyoutomakesentenceswiththesentencestructuresabove.,(2)largenumbersof.,many,anumberof;thenumberof,很多人讲汉语。,LargenumbersofpeoplespeakChinese.,(1)Chinahas_ofpeople.(2)_ofthepopulationofchinais1.3million.(3)_myfriendscametomybirthdayparty.,a(large)number,Thenumber,Anumberof,=,4.However,bytheyear2100,thejourneymighttakeonlyaveryshorttimeinspaceshuttlesthattravelathalfthespeedoflight.,光的速度是300,000,000米每(per)秒.,汽车正高速行驶。,我们要全速前进。,Thespeedofthelightis300,000,000meterpersecond.,Thecarsaredrivingathighspeed.,Weshouldmoveatfullspeed.,atthespeedof(),5.ThegravityonMarsisonlyaboutthree-eighthsofthatonEarth.,分数构成口诀:,分子用基数词,分母用序数词分子大于一分母要加S,4/91/42/31/25/83/4,aquarter,ahalf,threequarters,four-ninths,two-thirds,five-eighths,6.Thesebootswillprobablybecomeveryfashionable,andtherewillbevariousdesignsforsettlestochoosefrom.,(1)fashionableadj.,fashion,Theclothesinthe_showarereally_.,fashion,fashionable,n.,请从这些书中挑出一本英语书来。,Please_.,我们选了王做学生会主席。他已经选择去北京度假了。,WechoseWangPingtobethepresidentoftheStudentsUnion.,choose-chose-chosen,chooseoneEnglishbookfromthesebooks.,HehasalreadychosentogotoBeijingfortheholiday.,(2),7.LifeonMarswillbebetterinmanyways.,在很多方面我们都做的很好。,Wedidwellinmanyways.,insomeways;inmanyways;bytheway,(1)._,doyouknowhowtogettoXishanqiaoschool?(2).Youareveryclever,youareright_.(3).Itisagoodideatoworkalone_.,Bytheway,inmanyways,insomeways,8.Mealswillprobablybeintheformofpillsandwillnotbeastastyastheyaretoday.,as+adj./adv.+as,Amy和sandy一样苗条。Amy跳舞没有Sandy跳得优美。,AmyisasslimasSandy.,AmydoesntdanceasbeautifullyasSandy.,notas/so+adj./adv.+as,intheformof,DiscussionaboutlifeonMars,Notcrowded/pollutedHavemorespaceRobotswilldoourwork.Studentswillstudyathome.Peoplewillhavemorespace.Peoplewillwearfashionableboots.Notrafficjam,LowgravityFooddoesnttastegoodTravelwillmakepeoplefeelsick.MoneyisnotimportantFarawayfromfriendsonEarth,Advantages,Disadvantages,Task3:Everygroup,pleasegiveareport.,Task4:Moreexercises.,Translatethefollowingphrases.以光速的一半运行_2.在很多方面_飘进太空_4.此刻_首先_6.参加考试_comparewith_8.largenumbersof_,travelathalfthespeedoflight,inmanyways,floatawayintospace,atthemoment/atpresent,firstofall,takeexams,与比较,许多的,大量的,B.FillintheblankswiththecorrectformsofthewordsinthebracketsThelittleboylookedather_asshehandedoutthesweets.(hope)Wehada_mealwithherlastnight.(taste)Theriverhasbeen_bywastewaterfromthefactory.(pollution)Wewillbeabit_inthatsmallroom.(crowd)HumansonMarshavetowearspecialshoestomakethemselves_.(heavy),hopefully,tasty,polluted,crowded,heavier,C.Translatethefollowingsentences.,1.这些靴子现在很流行。我们店里有很多种不同款式可供你挑选。Thesebootsare_atthemoment.Therearemanydifferentsighs_.2.我只能跑到刘翔一半的速度。Icanrunonly_.3.这个孩子太矮了,他够不着桌子上的苹果。Thechildis_reachtheapplesonthetable.4.我们学校的学生人数只是他们的五分之二。Thenumberofstudentsinourschoolisonly_intheirschool.5.食物将会是药片形状的而且不像今天的那么味道好。Mealswill_andwont_theyaretoday.,veryfashionable,foryoutochoosefrom,athalfthespeedofLiuXiang,tooshortto,two-fifthsofthat,beintheformofpills,beastastyas,Homework,FinishtheexercisesontheHandbookofEvaluation(page5-page6)B.,Writing:AGuidetoLivingonMars,Thankyou!,
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