Unit4SpaceExploration全單元課件高中英語人教版

Unit4全單元課件Unit4SpaceExploration新人教必修Book3ListeningandSpeakingP38-39toidentifyhowYangLiweiwaschosentobeanastronauttosummarizetherequirementsforbecominganastronauttoshareyourthoughtsaboutwhetheryouwouldliketobeanastronautwithsupportivereasonsLearningObjectivesWhenyoulookupatthesky,whatdoyouthinkof?

Whatcanyouseeinthephoto?Whodoyouthinktookthephoto?

Whatdoyouknowaboutthehistoryanddevelopmentofspaceexploration?Thepicturelookslikeaphotoofaroveronthemoon.Perhapsitwastakenbyarobotcamera.

Pre-listeningIknowthatspaceexplorationbeganinthemid-1950swiththedevelopmentofsatellites,andthatpeoplefirststartedgoingtospaceintheearly1960s.Youaregoingtolistentoaninterviewwithanastronaut.Beforeyoulisten,discussthequestionsingroups.(1)CanyounameanyfamousastronautsfromChinaorabroad?NeilArmstrong(1930-2012)wasanAmericanastronautwhobecamethefirsthumantowalkonthemoononJuly20,1969,aspartoftheApollo11mission.......(2)Doyouknowanythingabouttheselectionprocedureforastronauts?

Makealistofthepossiblerequirements.InAmerica,preferenceforselectingastronautswasoriginallyfortestpilotsormilitarypilots,becausetheywereamongthemostelitepilotsthenationhad,andbecausetheywereinexcellentphysicalshape.Whileitisnolongerarequirementforastronautstobepilots,generallytheymustbetheveryeliteintheirscientificfieldsandmuststillbeinverygoodphysicalshape.

Tickthecorrectstatements.

1TheaudienceiscuriousabouthowYangLiweibecamethefirstChineseastronaut.2MrYangalwaysbelievedthathewouldbecomeanastronautoneday.Listenforthe1sttimeneverthought3MrYangwasselectedtoattendpilottrainingwith13otherpeople.4TobecomeanastronautinChina,youhavetohave1,350hoursofflyingexperience.5Astronautsnotonlyhadtolearnhowtousespaceequipment,butalsohadtodoalotofmentalandphysicaltraining.4AtthetimewhenMrYangenteredthespaceprogramme,astronautshadtobeshorterthan_____cminheightandlessthan____kginweight.Fillintheblankswiththecorrectnumbers.1YangLiweigraduatedfromcollegeattheageof____.2BeforehejoinedChina’sspaceprogramme,MrYangtrainedasafighterpilotfor__years.3MrYangwasoneofthe___pilotswhowerechosentotrainforspaceflights.Listenforthe2ndtime5MrYangbecameChinasfirstastronautwhenhewas___yearsold.Interviewer:TodayweareverypleasedtochatwithMrYangLiwei,thefirstChineseastronaut.Welcometotheshow,MrYang.MrYang:Thankyou.Interviewer:MrYang,ouraudienceisverycuriousabouthowyousucceededinbecomingChina’sfirstastronaut.Itmusthavebeenaverydifficultthingtoachieve.Didyoualwayswanttobeanastronaut?MrYang:Yes,IdreamtofitwhenIwasyoung,butIneverthoughtmywishwouldcometrue.Ittookalongtime.First,IgotmycollegedegreewhenIwas22,andthenIworkedasafighterpilotforListenfornumbersNumberquestionsaretypicallyrelatedto:time,

telephonenumbers,addresses,

prices,weights,distances.

around10years.IfinallybecameChina’sfirstastronautwhenIwas38yearsold.Interviewer:Oh,soyoumustbeareallyexperiencedpilot.Doyouthinkthatwasoneofthereasonswhyyouwerechosenforthespaceprogramme?MrYang:Sure,Ihad1,350hoursofflightexperience,whichIthinkreallyhelpedme.Interviewer:Sohowdifficultwasittojointhespaceprogramme?MrYang:Therewasalotofcompetition.Altogether,14ofuswerefromamong1,500pilotstotrainforspaceflights.Interviewer:Thatsoundsreallydifficult.Didyoualsohavetobeacertainsizeandweight?MrYang:Yes,atthetime,youhadtobeshorterthan172centimetresheightandweighlessthan70kilograms.Youalsohadtobeinperfecthealthandperfectshape.Interviewer:Soyouweretheperfectchoice!Asweallknow,anastronautneedstobehealthyandcalminordertoworkinspace.Butyoualsohadtostudyalot,too,right?MrYang:Yes,IhadtolearnEnglish,science,andastronomy.Ialsohadtopractiseusingspaceequipment,anddoalotofmentalandphysicaltraining.Itwasverytiring,butIwassoproudtohavetheopportunity.4AtthetimewhenMrYangenteredthespaceprogramme,astronautshadtobeshorterthan_____cminheightandlessthan____kginweight.Checktheanswers.1YangLiweigraduatedfromcollegeattheageof____.2BeforejoiningChina’sspaceprogramme,MrYangtrainedasafighterpilotforabout___years.3MrYangwasoneofthe___pilotswhowerechosentotrainforspaceflights.Listenforthe2ndtime5MrYangbecameChinasfirstastronautwhenhewas___yearsold.2210141727038Educationbackground:Experience:Healthcondition:Courses:Specialtraining:collegedegree,trainedtobeafighterpilotmorethan1,000hoursofflightexperiencemustbeinperfecthealthandshapeEnglish,science,andastronomypractiseusingspaceequipment,anddoalotofmentalandphysicaltrainingWhataretherequirementsforbecominganastronaut?Listenforthe3rdtimePost-listeningWouldyouliketobeanastronautinthefuture?Why?Usewhatyouhavelearntfromtheinterviewtohelpyou.EXAMPLEA:Youknow,Ithinkbeinganastronautwouldbecool.B:Doyouwanttoworkinspaceinthefuture?A:I’mnotsure,butIthinkitmightbetoodifficultforme.Thesearesomanyrequirements.Firstofall,youmustbeintelligentenoughtogetarelatedcolledgedegree.Thenyouhaveto...B:Sowhatmightbethemostdifficultpartforyou?A:Iguessitmightbethe...SampleConversationA:

Youknow,Ithinkbeinganastronautwouldbecool.B:

Doyouwanttoworkinspaceinthefuture?A:

I’mnotsure,butIthinkitmightbetoodifficultforme.

Therearesomanyrequirements.Firstofall,youmustbeintelligentenoughtogetarelatedcollegedegree.Then

youhavetobeapilotwithyearsoftrainingandpractiseflying.Finally,youmustbereallyphysicallyfit.B:

Sowhatmightbethemostdifficultpartforyou?A:Iguessitmightbespacetravelitself.I’msurebeingweightlessmustbefun,anditwouldbewonderfultoseetheEarthandstarsSampleConversation

fromspace.But

thespacesuitandcapsulelookterriblysmallanduncomfortable.Itwouldbehardtostayinsuchasmallspaceforsolong.Also,there’snoprivacyatall.WhatifIhavetogototherestroom?B:

Iseewhatyoumean.Notonlyapples,butallofusStaystillthoughEarthspinsround.”O(jiān)fcourse,weknowthatthisistrue!Earthgoesroundbutwestaystill.WhatgoesupmustcReadthepoem.Markthestressedsyllableswithandunstressedsyllableswith.Thentryreadingthepoemtoeachotherwithrhythm.Oneday,IsaacNewtonsatAndsawanapplefall.Thenhethought,“It’snotjustfruit!Somethingpullsusall.”“Thereisaforce,”hesaidtohimself,“Thatpullsthingstotheground,Gravityomedown,Anditalwayswill.Pronunciation2.Listenandrepeataftertherecording.Checkwhetheryourmark-upsarecorrect.Oneday,IsaacNewtonsatAndsawanapplefall.Thenhethought,“It’snotjustfruit!Somethingpullsusall.”“Thereisaforce,”hesaidtohimself,“Thatpullsthingstotheground,GravityNotonlyapples,butallofusStaystillthoughEarthspinsround.”O(jiān)fcourse,weknowthatthisistrue!Earthgoesroundbutwestaystill.Whatgoesupmustcomedown,Anditalwayswill.Unit4SpaceExploration新人教必修Book3ReadingandThinkingP40-41tolearnaboutthedevelopmentofspaceexplorationtoanalyzeandaddtexttothepassageaboutspaceexplorationtosummarizethemainideaofeachparagraphtoanalyzethedetailsofapopularsciencearticleLearningObjectivesWarmingupHaveyoueverseenthisfilm?What’sthestoryabout?Doyoubelievethereareotherplanetsforpeopletoliveon?AboutSpaceHowmuchdoyouknowaboutspaceexploration?spacestationamannedsatelliteinafixedorbitdesignedforscientificresearchReadandguessAboutSpaceHowmuchdoyouknowaboutspaceexploration?acraftcapableoftravelinginouterspacespacecraftWhatliftsthespaceshuttleintospace?AstronautsleavethespacecraftandworksoutsideAboutSpacespacewalkRocketBeforeyouread,lookatthetitleandthephotos.Pre-readingWho‘stheastronant?Whendidhesteponthemoon?Whatis“Challenger”?WhatisJadeRabbitusedfor？Whatdoyouexpecttoreadaboutinthistext?DiscussionThemainreasonsforspacetravelaretofurtherhumanexplorationandtogatherknowledgeoftheuniverse.Whatdoyouthinkarethemainreasonsforspaceexploration?Iexpecttoreadaboutthefutureofspacetravel.Readthetexton41.While-readingA.Apieceofnews.

B.Apopularsciencearticle.

C.Atraveljournal.

D.Anovel.1.Whatkindofpassageisit?Canyouchoosethecorrectsentencetofillinthegap?CDBAAlthoughscientiststrytomakesurenothinggoeswrong,accidentscanstillhappen.Spaceexplorationhascomealongway,andwenowhopetodiscoverotherplanetsthataresuitableenoughtosupportlife.Thefutureofspaceexplorationremainsbright.Aftermanyexperiments,theysucceededinmakingrocketsthatcouldescapeEarth’sgravity.Paragraph4:_________________________________________________________________________________________________________________________________________________________Chinahasmadegreatprogressinspaceexplorationintheearly21stcentury,becomingonlythethirdcountrytosendhumantospace.Useyourownwordstosummarisethemainideaforeachparagraph.Paragraph1:___________________________________________________Paragraph2:______________________________________________________________________________________________________Paragraph3:______________________________________________________________________________________________________Paragraph5:______________________________________________________________________________________________________Humanshavealwayshadanaturalcuriosityaboutspace.Spacetravelbecamearealityinthe20thcentury,withAmericanandSovietspacemissions.Spacetravelhasalwaysinvolvedgreatrisk,butdespitetherisksexplorationcontinues.Thefutureofspaceexplorationlooksbright,asmanycountriesareplanningfurthermissions.

“Arewealone?What’soutthere?”Peoplehavealwayslookedupatthestarsandwonderedaboutspace.Today,scientistsdesignvehiclestocarryastronautsintospacetomakeimportantdiscoveries.Spaceexplorationhascomealongway,andwenowhopetodiscoverotherplanetsthataresuitableenoughtosupportlife.Para.1curiosityofpeopleaboutspacedesignvehiclesto…h(huán)opetodiscover…Itisthecuriosityof…that…TimeEvents1957USSRlaunched____________________and__________________________________.1961_____________becamethefirstpersonintheworldtogointospace.1969Americanastronaut_______________steppedontothemoonandsaid:“________________________________________________”.1977____________________________launched__________tostudy___________.theSputnik1satellitearoundEarthYuriGagarinNeilArmstrongThat’sonesmallstepforaman,onegiantleapformankindAmerica’sNASAspaceagencyVoyager1deepspacePara.2：successfullyorbitedPara.3Disasters…diedneverdiedTheInternationalSpaceStationDespitethe…,humans’…forspaceexplorationneverdied.Forexample,….Thus,greaterachievementsaremade.Althoughscientiststrytomakesurenothinggoeswrong,accidentscanstillhappen.DesirePutthefollowingsentencesintimeorder.

China’sspaceexplorationAsecondmannedorbitandChinesespacewalkwascompleted.YangLiweisuccessfullyorbitedEarthin2003.Tianwen1wassenttothemoonon23July2020.Withthemodernspacestation,astronautscanconductimportantexperiments.1234Para.4:Para.5Thefutureofspaceexplorationremainsbright.Scientists’hope:enableustounderstandhowtheuniversebeganhelpussurvivewellintofutureYourhope?Thereareendlesseffortsforfurtherstudyandexplorationfromcountries.1.Whatdoesthetitle“Space:Thefinalfrontier”meantoyou?Post-readingWhileIsupportspaceexploration,Idon’tthinkspaceisthefinalfrontierjustyet.ThereisstillmuchtolearnabouttheEarth,andweareonlyattheverybeginningofnewtechnologicalbreakthroughsinvolvinginformationtechnologyandAI.Therearemanyscientificandtechnologicalfrontiersallaroundus.2.Whatistheauthor’sattitudetowardsspaceexploration?Howdoyouknow?Post-readingAccordingtothetimeline,introducetheachievementofspaceexplorationinhumanhistory.195719611969197720032005-200820202022Sputnik1satellitelaunched

by…orbited…YuriGagarinthefirstperson…NeilArmstrong,stepped…,saying,…Voyager1,tostudy…,itstill…YangLiwei,orbited…in…spacecraftShenzhou6/7completed…,thefirst…Tianwen1explorethesurfaceofMarMengtiansignaledthebasiccompletion...Unit4SpaceExploration新人教必修Book3LanguagePointsP40-41Completethepassagewithwordsfromthetext.M_______isexploringspaceinthehopeoffindingoutmoreabouttheu_________.However,exploringspaceisbothdangerousandchallenging.OneofthemostdangerouspartsofspaceexplorationishelpingpeopletoescapeEarth’sg______.Ifthereisamistakeduringthel______,itcanleadtoanaccidentthatkillseveryoneonb_______.Gettingoutofo____andbacktoEarth’ssurfaceisalsoverydangerous.Despitethehugerisksthough,peoplewillalwayscontinuetoexplorethisfinalf_______soastolearnitssecrets.ankindniverseravityaunchoardrbitrontier例1:他決心要學英語。______________________________.例2:是什么使她下定決心要嫁給他?____________________________?determinev.確定；決定；查明【用法】①determinetodo②determinesb.todo

③determine+that從句determinationn.

決心；果斷；測定determinedadj.決定了的；堅決的However,somescientistsweredeterminedtohelphumansrealisetheirdreamtoexplorespace.1句意：然而，有些科學家下定決心要幫助人類實現(xiàn)探索太空的夢想。WhatdeterminedhertomarryhimHedeterminedtolearnEnglishlaunchv.launches-launching-launched①

發(fā)射；把（航天器、武器等）發(fā)射上天②

開始從事，發(fā)起，發(fā)動（尤指有組織的活動）On4October1957,theSputnik1satellitewaslaunchedbytheUSSRandsuccessfullyorbitedaroundEarth.2句意：1957年10月4日，“旅伴一號”人造衛(wèi)星在蘇聯(lián)發(fā)射升空，并成功環(huán)繞地球運行。例1：美國國家航空航天局計劃發(fā)射一顆衛(wèi)星來研究宇宙射線。NASAplansto________________tostudycosmicrays.例2：政府將于明年開始一項公共工程計劃。Thegovernmentwill__________________________nextyear.launchanpublicworksprogramlaunchasatelliteorbitn.（天體等運行的）軌道

v.~(aroundsth.)沿軌道運行；圍繞…運動orbits-orbiting-orbitedOn4October1957,theSputnik1satellitewaslaunchedbytheUSSRandsuccessfullyorbitedaroundEarth.2例1：一顆新的人造衛(wèi)星被送上了環(huán)繞地球的軌道。

___________________________________________.例2:地球繞太陽一周要一年的時間。Theearthtakesayearto______________.orbitthesunAnewsatellitehasbeenputintoorbitaroundtheearth【拓展】orbitaladj.軌道的

orbiter

n.人造衛(wèi)星例：1.我必須承認，我對你非常失望。Imustadmitthat________________________.2.這部電影使我失望。Themovie_____________me.disappointedadj.失望的，沮喪的bedisappointedat

對……失望bedisappointedinsb.對某人感到失望

disappointv.使失望disappointmentn.失望，沮喪However,whilesuchdisastersbroughtmuchsadnessanddisappointment,thedesiretoexploretheuniversedidnotdie.3句意：然而，盡管這些悲劇使人倍感傷心與失望，但人類探索宇宙的愿望永不磨滅。I’mverydisappointedinyoudisappointed例：1.她希望住在鄉(xiāng)下。She____________inthecountry.2.我們要求她馬上把信打出來。Wedesirethat______________________atonce.=Wedesireher______________atonce.desiren.渴望；欲望v.渴望；期望desiretodo

渴望做……desiresb.todo

希望某人做……desirethat...希望……（從句中用shoulddo結構）3desirestoliveshe(should)typethelettertotypetheletterHowever,whilesuchdisastersbroughtmuchsadnessanddisappointment,thedesiretoexploretheuniversedidnotdie.例：Theteamwillhavetocarryonwithoutme.沒有我小組也必須繼續(xù)進行下去。Thisisbecausepeoplebelieveintheimportanceofcarryingonspaceexplorationdespitethehugerisks.4句意：這是因為盡管風險巨大，人們還是堅信太空探索極為重要。carryon繼續(xù),參與

carryon(with)one’swork

繼續(xù)工作carryaway

拿走，帶走；

becarriedupintospace

被發(fā)射升空carryout

aplan/order/promise執(zhí)行計劃/執(zhí)行命令/履行諾言例：

①制定計劃往往比執(zhí)行計劃容易。

It’softeneasiertomakeplansthanitistocarrythem______.②把孩子抱走。這里很危險。Carrythebaby_______.It’sdangeroushere.outaway例：他雖然經(jīng)驗不足，但還是獲得了這份工作。________________________________________.despiteprep.即使，盡管【用法】despite+n./doing【同義詞組】inspiteofThisisbecausepeoplebelieveintheimportanceofcarryingonspaceexplorationdespitethehugerisks.4Despitehislackofexperience,hegotthejob【辨析】despite/although都有“盡管”的意思，但despite是介詞，后接名詞、代詞或動名詞；而although=though是連詞，后接表示讓步的狀語從句。例：

1.盡管他在微笑，我認為他很悲傷。Ithinkheissad,despite__________.Ithinkheissadalthough__________.2.盡管下雨，我們還是去散步了。Wewentforawalkalthough____________.

Wewentforawalkdespite_______.hissmileshesmilesitwasrainingtherain句意：之后，“神舟六號”和“神舟七號”完成了第二次載人環(huán)繞地球飛行和中國人的第一次太空漫步。緊接著，“玉兔號”月球車飛抵月球，開展月球表面研究。ThenShenzhou6and7completedasecondmannedorbitandthefirstChinesespacewalk,followedbythevehicleJadeRabbitbeingsenttothemoontostudyitssurface.5followed過去分詞作伴隨狀語例：1.因為寫得匆忙，這篇文章不是很好。___________________,this?article

was?not?so

good.2.這本書一旦出版，將會非常暢銷。Once_________,this?novel?will?bepopular.Written?in?a?hurrypublishedIn2022,thelaunchoftheMengtianmodulesignaledthebasiccompletionoftheTiangongSpaceStation.6例：1.他們發(fā)射了3次遇難求救信號。Theyfiredthreedistress_______.2.她向特德示意她要向前走。She_________toTedthatshewasmovingforward.signaledsignals句意：2022年夢天艙的發(fā)射標志著天宮空間站的基本建成。signalv.標志著；標明；發(fā)信號

n.信號，標志Unit4SpaceExploration新人教必修Book3ReadingforWritingP44toreflectonthequestionofwhetherexploringspaceisworththemoneyandefforttostudytheorganizationandlanguagefeaturesofanargumentativeessaytowriteaboutyouropinionaboutspaceexplorationLearningObjectivesDoyouagree?SoweshouldpaymoreattentiontotheWorld'spollutionandpovertyissuesratherthanspaceexploration.

Manyscientistsinsist:

spaceexplorationwastestoomuchrecourses.PresentanargumentaboutspaceexplorationReadtheargumentativeessayaboutspaceexplorationonpage44.

Thenanswerthequestionsbelow.1.Whyaresomepeopleagainstspaceexploration?2.Whathasspaceexplorationdoneforfoodproduction?Becausetheythinkitisawasteoftimeandmoney,andthatweshouldfeedtheworld'spoorandfindimmediatesolutionstootherproblems,suchaspollutionandfataldiseases,instead.Satellitesstudylandandweatherpatterns.Thesestudieshelpfarmersgrowmorecropsandwarnthemaboutnaturaldisastersbeforetheyoccur.3.WhatdidthepicturesofEarthfromspacemakepeoplerealise?4.Howdoesspaceexplorationbenefittheproductsthatpeopleusenowadays?Theymadepeoplerealisethatourplanetsresourcesarelimited.Advancedtechnologydevelopedforspaceexplorationhaspromotedtechnologicalimprovementsthatbenefitsusallbyallowingproductstobemadetoahigherstandard.Studytheorganisationandlanguagefestures.1.Readthefirstparagraphandunderlinethedifferentopinionsaboutspaceexploration.2.Findthethreetopicsentensesthatsummerisethewriter’sargumentsaboutspaceexploration.Firstly,exploringspacehasalreadymadeadifferenceinthefightagainstworldhunger.Secondly,spaceexplorationhasalreadypromotedtechnologicalimprovementsthatbenefitusall.Finally,sendingastronautsintospacehashelpedpeopletothinkabouttheworld'sproblemsandeventofindwaystosolvethem.3.Underlinethesentencethatrepeatsthewriter’sopinioninthelastparagraph.Exploringspaceshould___________.MindmapDifferentOpinionsWeshouldstopexploringspace.Otheropinion:_______________________.ExploringspacecanhelpusDifferentbenefitsItcan_______________________.Itpromotes_______________________.Ithelpspeople__________theworld’sproblem.fightagainstworldhunger

technologicalimproments

thinkaboutConclusionbecontinuedIsexploringspaceawaste?例1.我們向全球發(fā)射無線電波。

Wedirectedradiowaves________________.例2.我們地球表面的70%是水。70%ofour____________iswater.aroundtheglobe

全球；世界各地；整個世界【同】aroundtheworldglobe

n.地球；地球儀；球體v.使…成球形，成球狀Countriesaroundtheglobearespendingbillionsofdollarsandlotsoftimeonvariousspacemissions,whethertoMarsorotherplanetsmuchfurtheraway.1句意：世界各國正在投入數(shù)十億美元的資金和大量時間執(zhí)行各種太空任務，無論是去火星還是更遠的星球。aroundtheglobeglobe’ssurface例1：絕對不要和藝術家爭論。Never___________anartist.例2：不要當著孩子的面為錢爭吵。Trynotto______________moneyinfrontofthekids.例3.一些評論家認為畢加索畢生都是一位大師。Somecritics_________Picassoremainedagreatmasterallhislife.arguevt.&vi.爭論；爭辯；論證

arguewith和……爭吵

argueabout

因為……爭論

arguethat...主張，認為……Somepeoplearguethatweshouldstopwastingtimeandmoneyexploringspace.2句意：一部分人認為，我們應該停止浪費時間和金錢去探索太空。argueaboutarguewitharguethatFirstly,exploringspacehasalreadymadeadifferenceinthefightagainstworldhunger.3句意：首先，太空探索已經(jīng)在對抗世界饑餓的斗爭中發(fā)揮了重要作用。例1.Talkingiseasierthandoing.例2.ReadingEnglishnovelsisaneasyandenjoyablewayofenlargingourvocabulary.動名詞短語作主語【拓展】動名詞作主語時，也常用“Itis...”和“Thereis...”兩種句型。Itisdangerousstandinginthemiddleofthestreet.Thereisnojokingaboutsuchmatters.resultin導致；造成

resultfrom

由于，因為asaresult

因此

asaresultof...作為……的結果IthasdirectlyresultedinthemanysatellitesthatnoworbitEarth.4句意：如今環(huán)繞地球運行的眾多衛(wèi)星都直接歸功于太空探索。例1：50%的公路交通事故致使頭部受傷。

Fiftypercentofroadaccidents________headinjuries.例2：很多頭發(fā)問題是由你吃的東西引起的。

Manyhairproblems_________whatyoueat.例3：他犯了個大錯，結果丟了工作。

Hemadeonebigmistake,and,__________,losthisjob.resultfromresultinasaresultresourcen.資源；財力；物力[pl.]resourcesresourceful

adj.資源豐富的；足智多謀的；機智的Seeingpicturesofourplanetasanislandinablackseamadepeoplerealisethatourplanet’sresourcesarelimited.5例：______________人的資源

______________

水資源

一個國家最重要的資源是其人才庫。Acountry’sprincipal_________isitsbrainpower.

好家伙！我的孩子們多機智啊。

Ohboy!what___________childrenIhave.humanresourcewaterresourceresourceresourcefullimitedadj.有限的【反】unlimitedadj.無限制的；無界限的limit

n.限制；限度；界線vt.限制；限定Seeingpicturesofourplanetasanislandinablackseamadepeoplerealisethatourplanet’sresources

arelimited.5例1.請把信函限制到125字或更少的字數(shù)內。

Please______lettersto125wordsorless.例2.遺憾的是，我的時間有限。Unfortunately,mytimeis________.例3.憑本車票在七日內可自由乘車不受限制。Theticketgivesyou__________travelforsevendays.limitlimitedunlimited

Writeanargumentativeessayaboutspaceexploration議論文是通過擺事實，講道理，直接表達作者的觀點和主張的文體。正反觀點類議論文是其中的一種，通常提出某觀點或某話題，并對此話題產(chǎn)生的兩種對立觀點進行正反兩方面的論證，最后給出自己的看法。

Writeanargumentativeessayaboutspaceexploration觀點類作文就“探索太空”話題分析評論一般現(xiàn)在時第一、第三人稱首段：引入話題，點明觀點中段：支持和反對觀點的理由尾段：表達個人的觀點體裁話題時態(tài)人稱文章架構核心要點開門見山點明話題介紹兩種相反觀點及其理由闡述自己的觀點UsefulExpressionsbeinfavorof

贊成，支持beopposedto

反對resultin

導致asfarasIamconcerned

在我看來oconsideration

把……考慮在內

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Usewhatyouhavelearnttowriteaboutyouropinionaboutspaceexploration.1.Aretheseargumentsfororagainstexploringspace?A.TherearealotofunsolvedmysteriesonEarth.Sowhyarewegoingintospacetoexplore?B.Itisnecessarytofindanewhomeforpeopleinspace,astheresoursesonEarthwillrunout.AgainstUsewhatyouhavelearnttowriteaboutyouropinionaboutspaceexploration.D.Exploringspaceencouragesscientiststoimprovetechnologythatcanhelppeopleinotherways,too.Now,addyourownideasandwriteyouressay.C.Icannotunderstandspendingallthismoneyonexperienceresearchandexperimentswhensomanypeopleneedfood.Against2.Exchangedraftswithapartner.Usethechecklisttogivefeedbackonyourpartner’sdraft.Doestheintroductionstatethetopic?Doestheintroductionexpressdifferentopinionsaboutthetopic?Doesthebodygiveargumentswithsuitablesupportinginformation?Doestheclosingexpressthewriter'sopinionandendproperly?Arethereanygrammar,spelling,orpuntuationerrors?3.Getyourdraftbackandreviseit.SampleWritingEveryonegetsexcitedbythenewsofthemostrecentspaceflights,andItooshareinpeople'ssenseofaweandwonderatthephotosfromspacethatwesee.Havings