Unit3SeaExploration話題海洋探索

Unit3SeaExploration話題海洋探索(解析版)第一節(jié)(共5小題；每小題1.5分，滿分7.5分)聽下面5段對話。每段對話后有一個小題，從題中所給的A、B、C三個選項中選出最佳選項。聽完每段對話后，你都有10秒鐘的時間來回答有關小題和閱讀下一小題。每段對話僅讀一遍?，F(xiàn)在，你有5秒鐘的時間閱讀第1小題的有關內(nèi)容。1．M:DoyouknowtheThames?W:Yes.It’saverybeautifulriver.Itisinthesouthofthecountryandrunstotheeast,intotheNorthSea.2．W:Haveyouseenthesea?M:Ofcourse,Ihave!It’sallaroundus.W:No!Imean,haveyouseenhowdirtythewateris?Itlooksasifitisn’tcleanenoughtoswimhere.3．M:Wehearsomuchabouttheconsequencesofhavingtoomuchwasteplasticaroundus,don’twe?W:Indeed,notonlydoesitcauseamess,butalsowildlife,particularlyoceananimalsareatriskwhentheyeatit.M:Can’tagreemore!Weshoulduseplasticsaslittleaspossible.4．W:Hey,IwastoldyouwenttoAustralialastweek.M:Yes,it’saniceplace.It’swellworthgoingto.Youcanenjoythebeautifulbeachesinsomeseasidecities.It’sreallygreatfun.W:Really?MaybeI’llgoandvisitthissummer.M:Hopeyou’llenjoyyourselfthere.5．M:AkindoffishnamedtheBrazilianGuitarFishisindangerofdyingout.W:Why?Itisterrible!M:Becauseofoverfishing,thenumbershavebeenlargelyreduced.W:Well,inordertoprotectthesearesources,manycountrieshavepassedlawstolimitthefishingseasonandtheamountoffishing.第一節(jié)到此結束。第二節(jié)(共15小題；每小題1.5分，滿分22.5分)聽下面5段對話或獨白。每段對話或獨白后有幾個小題，從題中所給的A、B、C三個選項中選出最佳選項。聽每段對話或獨白前，你將有時間閱讀各個小題，每小題5秒鐘；聽完后，各小題將給出5秒鐘的作答時間，每段對話或獨白讀兩遍。聽下面一段對話，回答第6和第7兩個小題?，F(xiàn)在，你有10秒鐘的時間閱讀這兩個小題。W:Haveyoualreadyplannedforyoursummervacation?M:Iplannedtogotothemountains,butmyparentswantmetobewiththem.W:I’mgoingtothebeachwithsomefriends.Wearegoingsurfing.M:Soundsnice.W:Whydon’tyouewithus?M:Em,Ihavetovisitmygrandparentsinthecountryside.Sorry,butstillthanksforyourinvitation.W:OK.Enjoyyourtime.聽下面一段對話，回答第8和第9兩個小題?，F(xiàn)在，你有10秒鐘的時間閱讀這兩個小題。M:Oilmustbethemostpreciousthingintheworld.It’sworthevenmorethangold.W:Iwouldsaythatwaterismostvaluable.Nothingcanlivewithoutit.M:Butmostoftheplanetiscoveredwithwater,sothere’splentyofit.Standingonthesandhereandlookingouttothesea,itseemsendless.W:Yes,butlookatthatislandoutthere.It’ssurroundedbywater.However,becauseitissaltyandthereisnofreshwater,noonecanlivethere.M:Istandbymyoriginalstatementbecauseifyouhaveenoughofit,youcanaffordtobuyalltheotherthingsyouneed.聽下面一段對話，回答第10至第12三個小題?，F(xiàn)在，你有15秒鐘的時間閱讀這三個小題。M:That’sstrange.Ididn’tgetastrawwithmydrink.W:Theydon’tusethemanymorehere.M:Starbucksisdoingthat,too,right?W:That’scorrect.By2023,allplasticstrawswillberemovedfromtheircoffeeshops.I’mnevergoingtouseastrawagain.Theyendupinouroceans.M:Iknow.I’veseenpicturesofduckswithstrawsintheirthroats.W:Ijustsawthesaddestvideo.Aturtlehadaplasticstrawstuckinitsnose.ItmakesmefeelterribletothinkImayhavecontributedtothat.Scientistsbelievethatby2050,therewillbemoreplasticsintheoceanthanfish.M:Wow!W:Andwethrowaway50%oftheplasticsimmediately.It’ssosilly.M:So,whatshouldwedo?W:Peoplecanswitchtosteelstraws.Youcancleanthemandusethemagain.M:Thatwillmakealotofpeoplemadatfirst.W:It’sbetterthankillingthefishinouroceans.Afterweeat,I’lltakeyoutoagiftshopwheretheysellrecycledproducts.It’sjustaroundthecornerfromthisrestaurant.M:Great!聽下面一段對話，回答第13至第16四個小題?，F(xiàn)在，你有20秒鐘的時間閱讀這四個小題。W:Goodevening,everyone!OurguestisKevinOlsen.Kevinworksonacoast.Hisjobistorescuewhales,fishandseabirdswhentheygetintotroublewithpollution.Weletotheprogram,Kevin.M:Gladtobehere,thankyou.W:Whatdoyoudoinyourjob?M:Ispendalotoftimewithseaanimals,tryingtolearnwhatthingstheyneedintheenvironment.Ifweknowthat,wecanhelpthemsurviveinthefuture.W:Canyoutellussomethingaboutthedisasterashorttimeago?M:OK.Whathappenedrecentlyistheoildisaster,thebirdshadoilontheirwings,sotheycouldn’tfly.Andtheycouldn’teatthefishbecausethefishwerecoveredwithoil.W:Whydidyouchoosethisjob?It’stoughsinceyouhavetoworkoutdoors.M:Well,Iwasalwaysinterestedintheworldoftheoceanandhowtheplantsandanimalsfittogetherintheirsystem.W:Thankyouforingandsharingyourstorywithouraudience,Kevin.M:Mypleasure.聽下面一段獨白，回答第17至第20四個小題?，F(xiàn)在，你有20秒鐘的時間閱讀這四個小題。W:ThisisScienceintheNews.I’mBarbaraKlein.Onthisprogramthisweek,I’lltalkaboutsharks.Theyareamongtheoldestanimalsonearth.Sharksarefamousforattackingotherseacreaturesandevenpeople.Yettheyhavebeenthreatenedbyhumanactivities.Scientistssaysharkshavelivedintheworld’soceansformillionsofyears.Today,therearemorethan350differentkindsofsharks.Mostsharksareabouttwometerslong.Andthebiggestwhalesharkcangrowtoalengthoftwentymeters.Sharkshaveanextremelygoodsenseofsmell.Theyalsosenseelectricalandmagnetic(有磁性的)powerlinkedtonervesandmusclesoflivinganimals.Thesepowersenseshelpthemfindtheirfood.Theyeatfish,othersharks,andplants.Somesharkscanbefoundinverycoldareas,butmostsharksliveinw