Module3Unit2课件英语八年级下册

外研版英语八年级下册Module3Unit2一、根据句意及汉语提示或首字母提示写单词。1.Thes_______energy(能量)isakindofcleanenergy.Moreandmorepeoplehavestartedusingittopowertheirhomes.2.Themotherlionistrainingthebabylionshowtoliveindifferent_______________(环境).3.Theelephantsdon'ttravelalone.Theyliveinsmallg________.4.Chinesewritingisoneoftheworld'sgreatestwriting__________(体系).Morethanhalfoftheworld'sbooksarewritteninChinese.5.Asweallknow,thesunisoneofthestarsintheu__________.olarenvironmentssystemsroupsniverse二、根据句意用括号中所给单词的适当形式填空。6.Nothingis_____________(possible)ifyoutryyourbest.Justdoit.7.Thereare50people.Istheroombigenough___________(have)themeeting8.We________________(notfind)outwhobrokethewindowyet.9.YuanLongping,oneofthegreatest___________(science)intheworld,isknownas“theFatherofhybridrice”.10.Thereareaboutthree____________(million)peoplegoingtothevillageand.(hundred)ofthemdecidetosettle(定居)there.impossibletohavehaven'tfoundscientistsmillionhundreds11.Nowadays,it'seasyforus____________________(communicate)witheachotherbecauseoftheradiosystems.12.Thebookisaboutaboy__________(call)Charlie.Hisfamilyispoorbuttheyliveaveryhappylife.13.Jack_____________(study)Englishforfiveyearsandnowhe'sreallygoodatEnglish.14.TheHubbleTelescope(哈勃望远镜)hasshownthattherearemorethan100billion____________(galaxy)intheuniverse.tocommunicatecalledhasstudiedgalaxies15.MrsBrownlovesChinaverymuchandshe________________(travel)toGuangzhoutwice.hastravelled三、用方框中所给词(组)的适当形式填空。每词(组)限用一次。16.Thereareeightplanetsgoingaroundthesuninthe_____________.17.ThebuildingsinHangzhouaremuchhigherandmorebeautifulthan_________inmyhometown.18._______ofthestudentsknowstheanswertothequestion.It'sreallytoodifficultforthem.19.Bellalikesmusicsodeeply.Shethinksmusicisanimportant__________herlife.solarsystemthoseNonepartof20.Inathunder(雷)stormyouseethelightning(闪电)firstandthenhearthethunder.Thisisbecause________travelsmuchfasterthansound.light四、根据句意在空白处填入一个适当的词使句意通顺、完整。21.________thecompany(陪伴)ofherparentsandfriends,shedoesn'tfeellonelyanymore.22.—Howlonghastherebeenlifeontheearth—Hundreds_____millions______years.23.Ericruns_______oftheclassroomtoplaybasketballassoonastheclassisover.24.Theearthisaplanetinthesolarsystemanditgoes__________thesun.Withofofoutaround25.It'sbetterforparentstocommunicate__________theirchildreninpersonatleastonceaweek.with五、阅读理解。Forthousandsofyears,humans(人类)haveexplored(探索)theEarth.Nowadays,weareexploringspace.Astronomers(天文学家)arethemodern-dayexplorers.Now,manyastronomersarelookingfornewplanetsandnewplacesforhumanstoliveinthefuture.ButwheredoastronomersstartexploringFirstofall,astronomerslookforastar.That'sbecauseourownEarthmovesaroundastar—theSun.Moreimportantly,itisneithertoofarfromnortooneartotheSunforheatandlight.Sowhenastronomershavefoundthestar,theylookattheplanetsaroundit.Inrecentyears,astronomershavefoundnearly400newplanetswithstars.However,manyoftheseplanetsareeithertooneartothestarortoofaraway.However,iftheplanetisinagoodplace,astronomerslookforthreekeythings:water,airandrock(岩石).Wateristhemostimportantbecausealllifeneedswater.Humanscandrinkitandtheycanalsogrowplantswithwater.Andplantsproduceairforhumanstobreathe（呼吸）andfoodtoeat.Rockonaplanetisalsoimportant.That'sbecausethereisoftenwaterundertherock.

Aftermanyyearsofexploring,astronomershavefoundaplanetliketheEarth.It'sGliese581gandit'snearastar.Theastronomersthinkithaswaterandrockandthetemperatureisbetween-31℃and-12℃.That'scold,butnotcolderthanAntarcticaortheArcticCircle.What'smore,Gliese581gisbiggerthantheEarth.AyearonGliese581gisonly37Earthdays,not365Earthdays.ButastronomersdonotthinkthesearebigdifferencesandsomeofthemthinkGliese581gwillbeanewEarth.However,Gliese581gistwentylightyearsfromtheEarth.26.Howdoastronomersdiscoveranewplanetforhumanstoliveona.Astronomerslookforthreekeythings.b.Astronomerslookforandfindarightstar.c.Astronomerslookattheplanetsaroundthestar.A.a-b-cB.b-a-cC.b-c-aD.c-a-bC

27.AccordingtoParagraph3,whichofthefollowingthingsisthemostimportantA.Water.B.Air.C.Rock.D.Food.A

28.Theunderlinedword“it”inParagraph4refersto_______.A.theEarthB.Gliese581gC.theSunD.thestarB

29.What'sthemainideaofthetextA.Gliese581gisalreadyanewEarth.B.TherearesomeplanetslikeourEarth.C.Water,airandrockareimportant.D.AstronomersarelookingforanewEarth.D

第二课时一、完形填空。Wouldyouliketospendayearpretending（假装)toliveonMarsNASA（NationalAeronauticsandSpaceAdministration)islookingforfour1todothat.Toprepareforsending2totheredplanet,NASAhasstartedtakingapplications（申请)forpeopletoliveforayearonMars.The3oftheMartianlivingplaceis1,700squarefeet（about157.9squaremetres).A3Dprinter4theplacewhichisinsideabuildingatJohnsonSpaceCentreinaUScityofHouston.NASAhas

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requirements（要求)forthosewhoarelookingforthejob.Forexample,theymusthaveamaster'sdegreeina

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，engineeringormathsfield;ortheyhaveanexperienceofworking

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apilot.TheymustalsobeUScitizens（公民).Theymustalsobeaged30-55andvery

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.Infact，physicalhealthisthemostbasicrequirement.

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youarechosen,youwillbepaid.Youandanotherthreepeoplewill

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asimulated（模拟的)Martianexplorationwork.

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，youwillpractisespacewalksandhaveverylittlefood.

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，NASAisplanningthreeoftheseexperiment,buttheexactnumberhasnotbeendecidedyet.Foodwillallbeready-to-eat

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foodandsomeplantswillbegrown，butatthemomenttherearenowindowsplanned.“Wewanttosee

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mendointheexperiments，”saidtheleadscientistGraceDouglas，“SimulationsonEarthwillhelp

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understandmanydifficultieswhichastronautswillfacebeforetheygototheredplanet.”1.A.Americans B.Chinese C.Germans D.Indians2.A.teachers B.scientists C.astronauts D.visitors3.A.research B.size C.system D.price4.A.reported B.bought C.made D.took5.A.low B.few C.basic D.strict6.A.drawing B.history C.science D.music7.A.as B.for C.from D.with8.A.polite B.healthy C.kind D.proudACBCDCAB9.A.Since B.Although C.If D.Unless10.A.takeoff B.lookfor C.makeup D.carryout11.A.Infact B.ForexampleC.Sofar D.Atfirst12.A.EspeciallyB.SuddenlyC.Finally D.Probably13.A.earth B.village C.space D.sea14.A.how B.where C.why D.when15.A.them B.us C.you D.himCDBDCAB二、词汇运用。A16.TheweatherinKunmingisnicerthan________inShanghaiinwinter.17.Scientistsdon'tthinkthereever_______________lifeonMars.18.LiuXin'shomeisnexttominebutitis___________fromschool.19.______________studentswenttothebooksalethedaybeforeyesterday.20.The_______istoostrong.It'snotgoodforoureyes.thathasbeenfarawayAgroupoflightBHaveyouknownaboutthe21.___________（宇宙）Whenwetalkaboutit，wemeanthe22._________（太阳的）23._________（体系），galaxies，andspace.Thesunandits24.__________（行星）arecalledthesolarsystem.Theearthgoesaroundthesunandthemoongoesaroundtheearth.Sevenotherplanetsalsogoaroundthesunbut25._______（没有一个)ofthemhasan26.______________（环境）likethatoftheearth.Scientistshavesent27.______________（宇宙飞船）totheotherplanets，buttheyhavenotdiscoveredanylife28._______（在远方)there.Whyhasnoonefromotheruniversesolarsystemplanets

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environmentspaceshipsoutplanetstriedto29._______________（交流）withusWedon'tknowtheanswers，butsomescientistsbelievethattheywillfindtheanswers