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Unit4Astronomy:
thescienceofthestars
Ⅰ.听录音,根据所听内容选择正确答案
听第1~4段对话,分别完成第1~4题
1.Whatdoesthemanwanttohave?
A.Ahamburger,friesandaSeven-up.
B.Asandwichhamburger,friesandaSeven-up.
C.Asandwichhamburger,afriedeggandaSeven-up.
2.What’stherelationshipbetweenthewomanandtheman?
A.They’rehusbandandwife.
B.Theyaremotherandson.
C.They’refriends.
3.Wheredidthemanspendhisvacation?
A.Inabigcity.B.Onafarm.C.Inafactory.
4.Wheredoestheconversationtakeplace?
A.Intheman’shouse.B.Inadining-room.C.Inarestaurant.
听第5段听力材料,完成第5~7题
5.Whodoyouthinkthespeakeris?
A.Avisitortothepark.
B.Oneofthepersonswhofoundtheland.
C.Aguidefromtheparkservice.
6.WhatdoesthespeakersayabouttheYellowstoneNationalPark?
A.Itisnotthefirstnationalpark.
B.ItisnotmanagedbytheNationalParkService.
C.ItbegantobemanagedbytheNationalParkServiceinthelate1800’s.
7.Whatisoneofthedutiesofthespeaker?
A.Tobuildfires.
B.Toguidenaturewalk.
C.Totrainanimals.
Ⅱ.听录音,根据所听内容判断正(T)误(F)
1.Alotofwomenwenttothelargestoretobuyshoesthatday.
2.Thecashierofthestoreboughtherselfapairofgoodshoes.
3.Thewomanspeakingtothecashierinthedialogueboughtapairofnewshoes.
4.Thewomanspeakingtothecashierinthedialoguehasagoodsenseofbusiness.
Ⅲ.单项选择,从A、B、C、D四个选项中,选择最佳答案完成句子
1.Ifonekeepswhathewantsinmindandtriestogetit,hewillsucceed________.
A.ontimeB.intimeC.forsometimeD.bythetime
2.—Excuseme,canIhelpyou,sir?
—Yes,canyoutellmethedirection________thethiefthepoliceareafterran?
A.whereB.thatC.underwhichD.inwhich
3.—Waiter,whyaretheseeggssosmall?
—Mydutyis________thetable,andIdon’tcareaboutthehen________eggs,sir.
A.tolay;laysB.laying;tolayC.tolay;layingD.laying;lays
4.Whileinfreezingweather,you’dbetterhaveheat________fromescapingfromyourbodyand
domoreexercise.
A.takenB.preventedC.disabledD.protected
5.Wecoulddonothinginthedarkness________towaitforhelpcoming.
A.lessthanB.morethanC.ratherthanD.otherthan
6.AsfarasI’mconcerned,________everythingisreadyfortheproject,thesooner,thebetter.
A.becauseB.nowthatC.asD.for
7.Wouldyoupleasemovealittleaway?
Youare________thelight.
A.breakingoutB.blockingoutC.hangingoutD.givingout
8.Herparentswon’t________her________outlaterthan11:
00intheevening.
A.allow;stayingB.allow;tostayC.let;tostayD.let;staying
9.The________causeofhissuccesswashisabilitytoworkforlonghourswithouttiring.
A.necessaryB.fundamentalC.sensibleD.satisfactory
10.Doyouknowwhysugar________muchfasterinwaterthaninoil?
A.dissolvesB.meltsC.spreadsD.swims
11.Idon’tcareabouttheprice.Thequestionis________itisworthreading.
A.thatB.whatC.ifD.whether
12.—Willyoutellme________keepfitandhealthy?
—Byeatingmorevegetablesandfruit.
A.howcanIB.ifcanIC.ifIcanD.howIcan
13.Theywillcarryouttheplan________muchdifficultytheymaycomeacross.
A.howB.whateverC.thatD.however
14.Thereasonwhyhegotfewestapplesfromthetreeis________heistheshortestofallthe
boys.
A.thatB.becauseC.whyD.what
15.________shecan’tbearis________heisalwayslyinginfrontofher.
A.That;becauseB.Why;whatC.What;thatD.Why;because
16.Asanybodycansee,Chinaisnolonger________itusedtobethirtyyearsago.
A.thatB.whichC.whatD.one
17.—WhydidTomnothandinhispaper?
—Heexplainedthatit________yet.
A.wasn’tfinishedB.hasn’tbeenfinished
C.didn’tfinishD.hadn’tbeenfinished
18.Wordcame________almostallthehousesofthefarmershadfallendownintheearthquake.
A.thatB.whichC.whoseD.what
19.Whatwateris________cleartousafterweattendhischemistryclass.
A.isB.areC.hasD.become
20.Obviously,whowillgo________nodifference,forthetaskisfarbeyondreach.
A.makeB.makesC.makingD.tomake
Ⅳ.阅读理解,根据短文内容选择最佳答案
(A)
Sincethebeginningoftime,manhasbeeninterestedinthemoon.TheRomansdesignedaspecialdaytoshowadmirationandrespecttothemoon.Theycalledit“Moonday”,or“Monday”,asweknowittoday.Later,thegreatmindofLeonardodaVincistudiedthemoonanddesignedamachinetocarryahumantothemoon.Leonardosaidthatonedayagreatmachinebirdwouldtakeapersontothemoonandbringgreathonourtothehomewhereitwasborn.Fourandahalfcenturieslater,Leonardo’sideawasrealized.Apollo11tookthreeAmericans,Collins,Aldrin,andArmstrongtothemoon.Themission(任务)didfillthewholeworldwithgreatsurprise,asLeonardohadsaiditwould.Numerousessays,articles,andbookswerewrittenaboutman’sfirstmoonmission.Butperhapsthemostinterestingstorywasonewrittenbeforetheeventover100yearsbefore.In1865,FrenchauthorJulesVernewroteastoryaboutthefirstjourneytothemoon.Hisstorywasverysimilartothe1969Apollo11mission.Verne’sspacecraftalsocontainedthreemen—twoAmericansandaFrenchman.ThespacecraftwasdescribedasbeingalmostthesamesizeasApollo11.Thelaunch(发射)siteinVerne’sstorywasalsoinFlorida.ThespacecraftinVerne’sstorywasnamedthe“Columbiad”.TheApollo11commandshipwascalled“Columbia”.HisaccountofsendingthespacecraftintothespacecouldeasilyhavebeenwrittenabouthowApollo11wassentintothespace.
1.LeonardodaVincisaidthatagreatmachinebirdwould________.
A.bringgreathonourtothemoonB.flytowardthesun
C.exploretheheavensD.takepeopletothemoon
2.JulesVernewrotehisstoryofaman’svisittothemoonabout________.
A.100yearsbeforetheApollo11missionB.10yearsbeforetheApollo11mission
C.fourandoneahalfcenturiesagoD.100yearsago
3.Verne’sstoryisverysimilarto________.
A.thefirstU.S.spacemission
B.theApollo11mission
C.LeonardodaVinci’sstory
D.numerousotherbooksonthesamesubject
4.Themainideaofthispassageis________.
A.somecoincidenceofmankindlandingontothemoon
B.Verne’saccuratepreviewofthefuture
C.the1969Apollo11moonmission
D.the19thcenturyscienceandtechnology
5.Theunderlinedword“spacecraft”probablymeansakindof________.
A.rocketB.planeC.trainD.bus
(B)
Manyscientiststodayaresurethatlifeexistselsewhereintheuniverse—lifeprobablymuchlikethatonourplanet.Theyreasoninthefollowingway.
Asfarasscientistscandetermine,theentireuniverseisbuiltofthesamematter.Theyhavenoreasontodoubtthatmatterobeysthesamelawsineverypartoftheuniverse.Therefore,itisreasonabletoguessthatotherstars,withtheirownplanets,wereborninthesamewayasoursolar(太阳)system.Whatweknowoflifeonearthsuggeststhatlifewillarisewherevertheproperconditionsexist.
Liferequirestherightamountandkindofatmosphere(大气层).Thiseliminates(排除)allthoseplanetsintheuniversethatarenotaboutthesamesizeandweightastheearth.Asmallerplanetwouldloseitsatmosphere;alargeronewouldholdtoomuchofit.
Lifealsorequiresregularsupplyofheatandlight.Thiseliminatesdoublestars,orstarsthatflashupsuddenly.Onlysinglestarsthatareregularsourcesofheatandlightlikesunwouldqualify.
Finally,lifecoulddevelopgraduallyonlyiftheplanetisjusttherightdistancefromitssun.Withaweakersunthanourown,theplanetwouldhavetobeclosertoit.Withastrongersun,itwouldhavetobefartheraway.
Ifwesupposethateverystarintheuniversehasafamilyofplanets,thenhowmanyplanetsmightsupportlife?
First,eliminatethosestarsthatarenotlikeoursun.Next,eliminatemostoftheirplanets;theyareeithertoofarfromortooclosetotheirsuns.Theneliminateallthoseplanetsthatarenotthesamesizeandweightastheearth.Finally,rememberthattheproperconditionsdonotnecessarilymeanthatlifeactuallydoesexistonaplanet.Itmaynothavebegunyet,oritmayhavealreadydiedout.
Thisprocessofeliminationseemstoleaveveryfewplanetsonwhichearthlikelifemightbefound.However,eveniflifecouldexistononlyoneplanetinamillion,therearesomanybillionsofplanetsthatthiswouldstillleaveavastnumberonwhichlifecouldexist.
6.Scientistsbelievethatmatterindifferentpartsoftheuniverse________.
A.hasdifferentlawsB.hasonecommonlaw
C.sharesthesamelawsD.sharesnocommonlaw
7.Theexistenceoflifedependsonallexcept________.
A.therightamountofatmosphereB.ourownsolarsystem
C.regularheatandlightD.therightdistancefromthesun
8.Whichofthefollowingstatementsiswrong?
A.Theplanetmustbeasbigandheavyastheearth.
B.Properconditionsarenecessarytotheexistenceoflife.
C.Doublestarscanprovideregularlightandheat.
D.Thedistancebetweenaplanetanditssunshouldberight.
9.Attheendofthepassagetheauthorsuggeststhat________.
A.itisimpossibleforlifetoexistonplanets
B.earthlikelifecouldonlyexistonafewplanets
C.lifecouldexistononlyoneplanetinamillion
D.lifecouldexistonagreatnumberofplanets
Ⅴ.书面表达
假如你叫李华。
在2045年,某宇宙航天局(SpaceAdministration)正在招聘到月球上工作的人员。
你从某报纸上获悉后决定去应聘。
请根据以下提示材料写一封应聘e-mail。
1.生于2015年。
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