2019春九年級英語下冊Unit4LifeonMars第3課時Reading2教學(xué)課件新版牛津版.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,Idon’tknowhowtolearnEnglishwell.____________,Iwasonlysatisfiedwithunderstandingthemainideasofthearticles.ButIknowweshouldspeaktoimproveourEnglish____________.SoIwouldliketospeakEnglishwithyou__________.Don’tgoaway,wewillstart_________.,Atthatmoment,atthemoment,foramoment,inamoment,2.Ourownplanet,earth,isbecomingmoreandmorecrowdedandpolluted.,越來越多的年輕人喜歡玩電腦游戲。,Moreandmorepeoplelikeplayingcomputergames.,你越來越漂亮了。,Youaremoreandmorebeautiful.,moreandmore+n.,moreandmore+adj.(多音節(jié)),越來越年輕越來越快越來越聰明越來越細(xì)心越來越好越來越舒服,Atthemoment,Iwantyoutosayasentencetopraise(贊揚)yourpartneroryourbestfriendwiththe“comparative+comparative”.,comparative+comparative,越來越…,youngerandyounger,fasterandfaster,cleverandclever,moreandmorecareful,betterandbetter,moreandmorecomfortable,3.Atpresent,ourspacecraftaretooslowtocarrylargenumbersofpeopletoMars.,(1)...too+adj.+todo,Sandy太小了而不能去上學(xué)。,Sandyistooyoungtogotoschool.,...so...that...can’t....,Sandyissoyoungthatshecan’tgotoschool.,...adj.+enoughtodo...,Sandyisnotoldenoughtogotoschool.,=,=,It’stimeforyoutomakesentenceswiththesentencestructuresabove.,,(2)largenumbersof...,many,anumberof;thenumberof,,很多人講漢語。,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.,汽車正高速行駛。,我們要全速前進(jìn)。,Thespeedofthelightis300,000,000meterpersecond.,Thecarsaredrivingathighspeed.,Weshouldmoveatfullspeed.,at…thespeedof(…),5.ThegravityonMarsisonlyaboutthree-eighthsofthatonEarth.,分?jǐn)?shù)構(gòu)成口訣:,分子用基數(shù)詞,分母用序數(shù)詞分子大于一分母要加S,4/9★1/42/3★1/25/8★3/4,aquarter,ahalf,threequarters,four-ninths,two-thirds,five-eighths,6.Thesebootswillprobablybecomeveryfashionable,andtherewillbevariousdesignsforsettlestochoosefrom.,(1)fashionableadj.,fashion,Theclothesinthe________showarereally___________.,fashion,fashionable,,n.,,請從這些書中挑出一本英語書來。,Please_____________________________.,我們選了王做學(xué)生會主席。他已經(jīng)選擇去北京度假了。,WechoseWangPingtobethepresidentoftheStudents’Union.,choose----chose-----chosen,chooseoneEnglishbookfromthesebooks.,HehasalreadychosentogotoBeijingfortheholiday.,(2),7.LifeonMarswillbebetterinmanyways.,在很多方面我們都做的很好。,Wedidwellinmanyways.,insomeways;inmanyways;bytheway,(1).__________,doyouknowhowtogettoXishanqiaoschool?(2).Youareveryclever,youareright___________.(3).Itisagoodideatoworkalone____________.,Bytheway,inmanyways,insomeways,8.Mealswillprobablybeintheformofpillsandwillnotbeastastyastheyaretoday.,as+adj./adv.+as,Amy和sandy一樣苗條。Amy跳舞沒有Sandy跳得優(yōu)美。,AmyisasslimasSandy.,Amydoesn’tdanceasbeautifullyasSandy.,notas/so+adj./adv.+as,intheformof,DiscussionaboutlifeonMars,☆Notcrowded/polluted☆Havemorespace☆Robotswilldoourwork.☆Studentswillstudyathome.☆Peoplewillhavemorespace.☆Peoplewillwearfashionableboots.☆Notrafficjam…,◇Lowgravity◇Fooddoesn’ttastegood◇Travelwillmakepeoplefeelsick.◇Moneyisnotimportant◇FarawayfromfriendsonEarth…,Advantages,Disadvantages,Task3:Everygroup,pleasegiveareport.,Task4:Moreexercises.,Translatethefollowingphrases.以光速的一半運行______________________2.在很多方面___________飄進(jìn)太空_________________4.此刻________________________首先___________6.參加考試__________comparewith________8.largenumbersof_____________,travelathalfthespeedoflight,inmanyways,floatawayintospace,atthemoment/atpresent,firstofall,takeexams,與…比較,許多的,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.這些靴子現(xiàn)在很流行。我們店里有很多種不同款式可供你挑選。Thesebootsare______________atthemoment.Therearemanydifferentsighs___________________.2.我只能跑到劉翔一半的速度。Icanrunonly__________________________.3.這個孩子太矮了,他夠不著桌子上的蘋果。Thechildis___________reachtheapplesonthetable.4.我們學(xué)校的學(xué)生人數(shù)只是他們的五分之二。Thenumberofstudentsinourschoolisonly____________________intheirschool.5.食物將會是藥片形狀的而且不像今天的那么味道好。Mealswill__________________andwon’t____________theyaretoday.,veryfashionable,foryoutochoosefrom,athalfthespeedofLiuXiang,tooshortto,two-fifthsofthat,beintheformofpills,beastastyas,Homework,FinishtheexercisesontheHandbookofEvaluation(page5-page6)B.,Writing:AGuidetoLivingonMars,Thankyou!,- 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