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Period2ReadingUnit4

LifeonMarsALifeonanotherplanetDanielwantstofindoutmoreaboutlifeinspaceinthefuture.HehasfoundthefollowingarticlebyafamousscientistwhothinkshumanscouldliveonMarsbythenextcentury.MovingtoMarsSomepeoplebelievethathumanscouldliveontheplanetMarsbytheyear2100.Ourownplanet,theEarth,isbecomingmoreandmorecrowdedandpollutedbecauseoftherapidincreaseinpopulation.①ItishopedthatpeoplecouldstartalloveragainandbuildabetterworldonMars.Hereiswhatlifetherecouldbelike.becrowdedwith挤满了……有望……温馨提示:此符号表示“考点精讲点拨”链接。Atpresent,ourspacecraftaretooslowtocarrylargenumbersofpassengerstoMars—itwouldtakemonths.Withthedevelopmentoftechnology,bytheyear2100,thejourneymightonlytakeabout20minutesinspacecraftthattravelatthespeedoflight!②

However,thespacecraftwouldtravelsofastthatthejourneytoMarsmightbequiteuncomfortable.Manypeoplewouldfeelill.学科素养·勇于探究激发好奇心和想象力,培养坚持不懈的探索精神。反义词comfortableHumanscannotsurvivewithoutwater,oxygenorfood.③

Sofar,nobodyknowswhethertherewouldbeenoughwateroroxygenonMarsforpeoplethere.Moreover,scientistsarenotsurewhetherplantscouldgrowonMars.Foodwouldmostprobablybeintheformofpillsandwouldnotbesotasty.

④Gravitycouldbeanotherproblem.ThegravityonMarsisonlyaboutthree-eighthsofthatontheEarth.Peoplewouldhavetowearbootsthatarespeciallydesignedtopreventthemselvesfromfloatingoffintospace.

⑤ComparedwithlifeontheEarth,lifeonMarswouldbebetterinsomeways.

Peoplewouldhavemorespace.Theymightliveinhouseswithhugecomfortablerooms.Also,robotswoulddomostoftheirworksothattheycouldhavemoretimetorelax.动词不定式(短语)作定语TherewouldprobablybenoschoolsonMars.Everystudentwouldhaveacomputerathomeconnectedtoaninterplanetarynetwork.Theywouldstudyatonlineschoolswith“e-teachers”.LifeonMarswouldbeinterestingaswellaschallenging.学科素养·勇于探究具有数字化生存能力,主动适应“互联网”等社会信息化发展趋势。BLifeinthefutureB1Danielneedstocheckthemeaningsofsomewordsinthearticle.Helphimmatchthewordsontheleftwiththemeaningsontheright.Writethecorrectlettersintheblanks.1.crowded(line3)_______2.rapid(line4)_______3.population(line4)_______4.alloveragain(line5)_______5.passenger(line8)_______6.tasty(line18)

_______7.specially(line21)_______8.compare(line23)_______ea.foronepurposeb.asecondtimefromthebeginningc.decideinwhatwaythingsaresimilarordifferentd.havinganicetastee.fullofpeoplef.happeninginashortperiodoftimeg.apersonwhoridesinacar,bus,train,etc.butdoesnotdriveith.thetotalnumberofpeopleinanarea,acountry,etc.fhbgdacB2DanielislookingformoreinformationontheInternet.Belowarethekeywordsheusedandthelinkshegotfromthesearchengine.Matchthekeywordswiththelinks.Writethecorrectlettersintheblanks.1.crowdedplanetf。

2.spacecraft______3.speedboots______4.spacehouses______5.robotonMars______6.onlineteacher______a.Needsomeonetoteachyouanytime,anyplace?b.Livinginaspacehouseisfunc.Allaboutthenewestspacecraftthattravelinspaced.Ourshoescanmakeyouwalkfaster!e.RobotscouldbeofgreathelptopeopleonMarsf.ThepopulationontheEarthisstillincreasingrapidlycdbeaB3DanielistellingSimonaboutthearticle.Simonisveryinterestedandisaskingmanyquestions.HelpDanielanswerSimon’squestions.Circlethecorrectletters.1.WhywouldpeoplemovetoMars?a.TheEarthiscrowdedandpolluted.b.Peoplewanttomakefriendswiththosefromanotherplanet.c.FlyingtoMarswouldbefun.a2.HowlongdoesittaketoflytoMarsatpresent?a.Hours.b.Months.c.Years.3.WhatwouldtheflighttoMarsbelikebytheyear2100?a.Fastandcomfortable.b.Fastbutuncomfortable.c.Slowbutcomfortable.bb4.WhatwouldfoodonMarsbelike?a.Verytasty.b.Verysweet.c.Notverytasty.c5.WouldgravitybeaproblemonMars?a.No,it’snotaproblem.b.Yes.Manypeoplewouldgetlost.c.Yes,andpeoplewouldwearspecialboots.c6.WheremightpeopleliveonMars?a.Inhouseswithhugerooms.b.Onspacecraft.c.Insleepingbags.a7.WhatwouldschoolsbelikeonMars?a.Verysmall.b.Onlineschools.c.LikethoseontheEarth.b8.WhatdoesthewriterthinkoflifeonMars?a.BetterthanlifeontheEarth.b.WorsethanlifeontheEarth.c.Therewouldbegoodandbadpoints.cB4DanielismakingalistofthedifferencesbetweenlifeontheEarthtodayandlifeonMarsin2100.Helphimcompletehislist.Usetheinformationfromthearticleonpages52and53.LifeontheEarthtodayLifeonMarsin2100Itispollutedandcrowded.Itwouldbecleanandhavelotsofspace.Spacecraftareslow.Thereisenoughwaterandoxygen.Itwouldbecleanandhavelotsofspace.Spacecraftwouldtravelatthespeedoflight.LifeontheEarthtodayLifeonMarsin2100Therearemanykindsoftastyfood.Gravityisnotaproblemforus.Manypeopleliveinsmallflats.Therewouldnotbeenoughwateroroxygen.Foodwouldmostprobablybeintheformofpillsandwouldnotbesotasty.Thegravityisonlyaboutthree-eighthsofthatontheEarth.LifeontheEarthtodayLifeonMarsin2100Peoplehavelittletimetorelax.Studentsstudyatrealschools.Peoplecouldhavemoretimetorelax.Studentswouldstudyatonlineschoolswith“e-teachers”.考点精讲①Ourownplanet,theEarth,isbecomingmoreandmorecrowdedandpollutedbecauseoftherapidincreaseinpopulation.比较级+and+比较级越来越……若形容词的比较级是加more构成的,则用“moreandmore+形容词原级”表示“越来越……”,moreandmorecrowded“越来越拥挤”。考点1考向考点精讲e.g.Ourcountryisbecomingstrongerandstronger.我们的国家正在变得越来越强大。Themore,thebetter.越多越好。The+比较级(+主语+谓语),the+比较级(+主语+谓语).意为“越……,就越……”。考题1:[连云港]The__________(努力)youpractise,thegreaterprogressyouwillmake.【点拨】句意:你越努力练习,你取得的进步就越大。hard“努力”,副词,此处是“the+比较级,the+比较级”的结构,应用hard的比较级harder。harder考点精讲考点精讲polluted/pə'luːtɪd/adj.被污染的e.g.Pollutedwaterisnotsuitablefordrinking.被污染的水不适合饮用。Mostpeopledon’trealizethattheyarebreathingpollutedair.大多数人没有意识到自己正呼吸着污染了的空气。考点2还可作动词pollute的过去式和过去分词polluted的词形变化:pollutedpollutev.污染pollutionn.污染;污染物返回温馨提示:可返回原文考点精讲②Withthedevelopmentoftechnology,bytheyear2100,thejourneymightonlytakeabout20minutesinspacecraftthattravelatthespeedoflight!with的用法考点3with的用法:①介词,意为“随着”。②介词,意为“和……一起”。③介词,意为“带有,具有”。④介词,意为“用……”,表示使用工具、手段等。考点精讲e.g.Theshadowslengthenedwiththeapproachofsunset.随着太阳西沉,影子越来越长。HeoftengoestothelibrarywithJenny.他经常和珍妮一起去图书馆。He’satallkidwithshorthair.他是个有着一头短发的高个子小孩。Hewriteswithapencil.他用铅笔写字。考题2:[无锡]OurEnglishteachercameintotheclassroom_____asmileonherface.A.inB.overC.withD.against【点拨】句意:我们的英语老师面带微笑走进了教室。考查介词辨析。withasmileonherface“面带微笑”。C考点精讲考题3:[滨州]—I’mthirsty.I’dlikeaglassoforangejuice.Whataboutyou,Betty?—Ipreferacupoftea________nothinginit.A.toB.forC.withD.without【点拨】根据“acupoftea...nothinginit”可知想要一杯什么都不加的茶,用介词with。C考点精讲考点精讲atthespeedof以……的速度e.g.Theplanecanflyatthespeedofsound.这架飞机能够以声速飞行。Wecanseeahorserunningathighspeed.我们能够看到一匹骏马在飞速奔驰。考点4名词,意为“速度”。与speed相关的常用短语:①athighspeed以高速②atfullspeed以全速考题4:火车以每小时200公里的速度行驶。Thetraintravels________________________________twohundredkilometersperhour.atthespeedof考点精讲小贴士介词at常用于表示速度、价格、温度等。e.g.atthepriceof以……价格返回考点精讲③Humanscannotsurvivewithoutwater,oxygenorfood.without/wɪ'ðaʊt/prep.没有;不和……在一起e.g.Tonyalwaysgoesoutwithoutacapinwinter.托尼冬天外出总是不戴帽子。Hewentoutwithoutsayingaword.他一句话没有说就出去了。考点5without常用作介词,主要意思有“没有,毫无,不”,反义词是with。后接名词、代词或动名词。考题5:[武汉]PleasebringMs.Steentothewelcomeparty_____tellinghersothatshecanbesurprised.A.aboutB.fromC.withoutD.for【点拨】根据“tellinghersothatshecanbesurprised”可知不告诉她,她才会惊讶。C考点精讲返回考点精讲④Foodwouldmostprobablybeintheformofpillsandwouldnotbesotasty.tasty/'teɪsti/adj.味道好的e.g.Thesepancakesmadebymymotherarereallytasty.我妈妈做的这些煎饼真的好吃。Couldyoutellmethetrickofmakingsuchtastycakes?你能告诉我做这种美味蛋糕的诀窍吗?考点6考点精讲e.g.Theyareverydelicious,ofcourse,butbecarefulnottoeattoomanyofthem.当然,它们非常美味,但要注意不要吃太多。小贴士:在国内delicious用得比较多。tasty习惯用于口语,多用作表语。delicious多用于书面,多用作定语。辨析:tasty与delicious返回考点精讲⑤Peoplewouldhavetowearbootsthatarespeciallydesignedtopreventthemselvesfromfloatingoffintospace.specially/'speʃəli/adv.特地,专门地e.g.Imadeacakespeciallyforyou.我特地为你做了个蛋糕。Icamespeciallytoaskyouaquestion.我专门来问你一个问题。考点7表示目的时,specially常与动词不定式或for短语连用。考点精讲e.g.Hecamespeciallytosaysorrytoher.他特意来向她道歉。Thenoiseisunpleasant,especiallywhenyouaretryingtosleep.噪音令人讨厌,尤其当你正在努力睡觉的时候。specially专门地,特地表示“不是为了别的,而是为了……”,强调唯一目的。especially尤其,特别地常用来对前面所述的事件进行进一步的说明或补充。辨析:specially与especially考题6:[常州]Thesummervacationiscoming.Don’tswiminthelake,_______whenyouarealone.A.probablyB.possiblyC.especiallyD.exactlyC考点精讲可能大概尤其确切地小贴士:specially的形容词形式为special,意为“特别的;特殊的”。考点精讲preventsb.(from)doingsth.阻止某人做某事考点8特别提醒keepsb.fromdoingsth.阻止某人做某事,其中from无论在主动语态中还是被动语态中,都不能省略。与stopsb.(from)doingsth.同义,在主动语态中from可以省略,在被动语态中不可省略。考点精讲e.g.Nothingcanpreventus(from)movingon.没有什么能够阻止我们继续前行。Wemustprevent/stopthemsmokingintheroom.我们必须阻止他们在房间吸烟。Wearepreventedfromsmokingintheroom.我们被阻止在房间吸烟。Plantingtreescankeepsoilfrombeingwashedaway.植树可以防止土壤流失。不可省略考题7:[黄冈、孝感、咸宁]—Dad,howaboutplantingsometreesinouryard?—Goodidea!Treescan______thewaterfromwashingtheearthaway.A.acceptB.preventC.discoverD.choose【点拨】preventsb./sth.f

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