初中九年級英語課件ReadingLifeonanotherplanet全市一等獎

Reading1:LifeonanotherplanetBy2050,ourearthwillbecome…crowded

pollutedWhereshallwelive???MarsMars

AfamousscientistHumanscouldliveonMarsbythenextcentury.planetMovingtoMarsLifeonanotherplanetCanyouimaginewhatlifeonMarscouldbelike?Readthearticlequietlyandquickly,thenanswerthequestion:

WouldthelifeonMarsbeinterestingorchallenging?(underlinethewordsandphrasesyoudon’tunderstand.)Scanthearticleandanswersomequestions.1.HowlongdoesittaketoflytoMarsatpresent?

2.WhatwouldtheflighttoMarsbelikebytheyear2100?3.WhatwouldfoodonMarsbelike?4.WhatwouldschoolsbelikeonMars?

IttakesmonthstoflytoMarsatpresent.Itwouldbefastanduncomfortable.Itwouldnotbesotasty.Theywouldbeonlineschools.Para.1:Readandanswer.

1.WhencouldweliveontheplanetMars?Bytheyear2100.2.WhydoweneedtomovetoMars?

Ourownplanet,Earth,isbecomingmoreandmorecrowdedandpollutedbecauseoftherapidincreaseinpopulation.Para.2:ListenandfillintheblanksspacecraftAtpresent,ourspacecraftare_______tocarrylargenumbersof________andittakes_____toflytoMars.tooslowmonthsBytheyear2100,Theytravelat_______________anditmightonlytake______________.thespeedoflightabout20minutespassengersuncomfortablePara.3-4:ReadanddosomeTorFexercises()1.Humansneedwater,oxygenandfoodtosurvive.()2.ScientistssaysplantscouldgrowonMars.()3.MarshasthreetimesthegravityofEarth.()4.Peoplewouldhavetowearspecialbootstopreventthemselvesfloatingoffintospace.TFFTthree-eighthsof1.Peoplewouldhave______space.Theymightliveinhouseswith________________rooms2._______woulddomostoftheirworksothattheycouldhavemoretime________.4.Studentswillstudyat______schools.Theywouldhavecomputersconnectedtoan______________network.moreRobotsto

relaxonlinePara.5-6:ReadandfillintheblankshugecomfortableinterplanetaryFurtherthinking:DoyouthinkifthewriterwouldliketoliveonMarsornot?

WouldyouliketoliveonMarsinthefuture?Why?RevisionB:Fillintheblankswithproperwords.Ourownplanet,earth,isbecomingmoreandmore________and_________.Hopefully,wecanbuildabetterworldon_______bytheyear2100.Atpresent,ourspacecraftaretooslowtocarrylargenumbersof____________toMars.By2100,the__________mighttakeonly20minutesinspacecraftthattravelatthespeedoflight.FoodonMarswouldprobablybeinthe_______ofpillsandwoundnotbeso________asthatontheEarth.GravitycouldbeanotherproblemforpeopleonMars.ThegravityonMarsisonlyabout______________ofthatontheEarth.PeopleonMarshavetowearspecial________topreventthemselvesfrom__________offintothespace.crowdedpollutedMarspassengersformjourneytastythree-eighthsbootsfloatingTask1:

Languagepoints.

While-task1.Ourownplanet,theEarth,isbecomingmoreandmorecrowdedandpolluted.moreandmorecrowded越來越擁擠more,most放在多音節(jié)形容詞、副詞前面，幫助構(gòu)成比較級和最高級。如：morebeautiful,mostslowly這里，moreandmore用來加強程度，表示越來越怎么樣。相當(dāng)于：morecrowdedandmorecrowded而短形容詞則這樣構(gòu)成：biggerandbigger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…youngerandyoungerfasterandfastercleverandclevermoreandmorecarefulbetterandbetter

moreandmorecomfortablecrowded用作形容詞，意為“擁擠的”。becrowdedwith意為“充滿，擠滿”。如：Theroomwascrowdedwithguests.

房間里擠滿了客人。practice根據(jù)漢語意思完成句子。1.Thebuswasso_________(擁擠的)thatIdidn’tgetonit.2.Aswegetnearer,theimagebecomes________________(越來越大).crowdedbiggerandbigger2.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.largenumbersof許多，大量，修飾______名詞，做主語時，謂語動詞常用______形式，相當(dāng)于alotof,many。eg.Largenumbersofbirdsflytothesoutheverywinter.(2)largenumbersof...manythenumberof

……的數(shù)目

后常接可數(shù)名詞復(fù)數(shù)，做主語時，謂語動詞常用單數(shù)形式。(1)Chinahas______________ofpeople.(2)_____________ofthepopulationofchinais1.3million.(3)____________myfriendscametomybirthdayparty.a(large)number

The

number

Anumberof=可數(shù)復(fù)數(shù)eg.ThenumberoftouristsstartstotailoffinOctober.游客在十月份開始逐漸減少。3.Bytheyear2100,thejourneymightonly

takeabout20minutesinspacecraftthattravelatthespeedoflight.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。Thespeedofthelightis300,000,000meterpersecond.Thecarsaredrivingathighspeed.Weshouldmoveatfullspeed.atthespeedof(…)

4.ThegravityonMarsisonlyaboutthree-eighthsofthatonEarth.Three-eighths八分之三分?jǐn)?shù)在英語中通常是借助于基數(shù)詞和序數(shù)詞來共同表達的。其中基數(shù)詞表示分子，序數(shù)詞表示分母。如：one-tenth十分之一athird三分之一注意：分子除用one外，也可用a；twothirds三分之二fourfifths五分之四但是，1/2不能說a(one)second,而要說a(one)half。1/4和3/4可以說a(one)fourth和threefourths,但常用aquarter和threequarters表示。如果分子大于1，分母要用復(fù)數(shù)形式。如：選擇題。About______ofthestudentsarefromforeigncountries.(2011山東東營)A.threefourB.threefourthC.thirdfourthD.threefourths翻譯句子。我們班五分之三是女生。_____________thestudentsinmyclass________girls.practiceThree-fifthsofare5.ComparedwithlifeonEarth,lifeonMarswillbebetterinmanyways.compare:examinepeopleorthingstoseehowtheyaresimilarandhowtheyaredifferent(v.比較，對比)Wecarefullycomparedthefirstreportwiththesecond.我們仔細(xì)的對第一份報告和第二份報告進行了對比。comparewith把……相比較

拓展：compare...to意為“把……比作……”。Shakespearecomparedtheworldtoastage.莎士比亞把人世比作舞臺。用comparewith和compareto的正確形式填空。Hecannot_____________Shakespeareasawriteroftragedies.2.Youcannot_________thiswar_____theVietnamwar(越南戰(zhàn)爭).practicecomparewithcompareto6.LifeonMarswouldbebetterinsomeways.在很多方面我們都做的很好。Wedidwellinmanyways.insomeways;inmanyways;bytheway(1).__________,doyouknowhowtogettoXishanqiaoschool?(2).Youareveryclever,youareright___________.(3).Itisagoodideatoworkalone____________.Bythewayinmanywaysinsomeways7.Food

would

mostprobablybeintheformofpillsandwouldnotbesotasty.as+adj./adv.+asAmy和sandy一樣苗條。Amy跳舞沒有Sandy跳得優(yōu)美。AmyisasslimasSandy.Amydoesn’t

danceas/sobeautifullyasSandy.notas/so+adj./adv.+asintheformof以……形式Debate(辯論)(for)(against)Life

onMarsisbetterbecause…1.nopollution2.morespace3.lesshomework4.money,notimportant5.Robotshelpdomostofwork……1.gravity,notaproblem2.manytypesofclothesandshoes3.manykindsoftastyfood4.breathefreely……VSLife

onEarthisbetterbecause…EnvironmentTransportClothes&ShoesFoodSchoolGravity

Lowgravity

Fooddoesn’ttastegood

Travelwillmakepeoplefeelsick.

Moneyisnotimportant

FarawayfromfriendsonEarth

…DiscussionaboutlifeonMars

☆Notcrowded/polluted☆Havemorespace☆Robotswilldoourwork.☆Studentswillstudyathome.☆Peoplewillhavemore

timetorelax.☆Peoplewillwear

specialdesignedboots.☆Notrafficjam

…AdvantagesDisadvantagesTask2:Everygroup,please

giveareport.Task3:

DoMoreexercises.Translatethefollowingphrases.以光速運行______________________2.在很多方面___________飄進太空_________________4.現(xiàn)在，目前________________________5.comparewith________6.largenumbersof_____________travelatthespeedoflightinmanywaysfloatoffintospaceatpresent與…比較許多的，大量的B.FillintheblankswiththecorrectformsofthewordsinthebracketsWe