八年級英語下冊 Unit 7 單元綜合測試卷（人教河南版 2025年春）

八年級英語下冊Unit7單元綜合測試卷一、聽力理解(20小題,每小題1分,共20分)第一節(jié)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答案。每段對話讀兩遍。()1.HowmanylakesaretherearoundHelen’scity?A.Two. B.Four. C.Six.()2.WheredidMikegolastyear?A.TotheNile. B.TotheCaspianSea. C.TotheSahara.()3.WhendidthefirstChineseteamsucceedinreachingthetopofQomolangma?A.In1953. B.In1960. C.In1975.()4.Whatisthesecondlongestriverintheworld?A.TheNile. B.TheYangtzeRiver. C.TheAmazonRiver.()5.HowlongisChina’shistory?A.About4,000. B.Over5,000.C.About6,000. D.Over7,000.第二節(jié)聽下面幾段對話或獨白。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答案。每段對話或獨白讀兩遍。聽下面一段對話,回答第6至第7兩個小題。()6.What’stheweatherlikeintheSahara?A.Snowy. B.Rainy. C.Dry.()7.WhatcanthehighesttemperaturebeuptointheSahara?A.48℃. B.58℃. C.68℃.聽下面一段對話,回答第8至第9兩個小題。()8.Whichuniversitydoesthemanstudyin?A.TheUniversityofOxford.B.TheUniversityofCambridge.C.TsinghuaUniversity.()9.Wheredoesthemandothepart-timejob?A.Inarestaurant. B.Inahotel. C.Inalibrary.聽下面一段獨白,回答第10至第12三個小題。()10.Whataretheheaviestanimalsintheworld?A.Bluewhales. B.Elephants. C.Polarbears.()11.Whatdopeoplekillbluewhalesfor?A.Meat,fatandoil. B.Meat,bonesandoil. C.Furandbones.()12.Whendidthespeaker’sunclejointhevolunteerprogram?A.Lastweek. B.Lastmonth. C.Lastyear.聽下面一段對話,回答第13至第15三個小題。()13.WhereistheNile?A.InAsia. B.InAfrica. C.InEurope.()14.HowmanycountriesdoestheNilepassthrough?A.Five. B.Ten. C.Eight.()15.Whatcanwegetfromtheconversation?A.TheNileisveryimportanttoEgypt.B.TheNileisabout3,000kilometerslong.C.TheNileisthesecondlongestriverintheworld.第三節(jié)聽下面一篇短文。按照你所聽內(nèi)容的先后順序?qū)⑾铝袌D片排序。短文讀兩遍。16.________17.________18.________19.________20.________二、閱讀理解(20小題,每小題2分,共40分)閱讀下面四篇語言材料,然后按文后要求做題。ATheYangtzeRiverdolphinistheonlykindofdolphinthatlivesinfreshwaterallitslife.ScientistssaythatthefinlessfreshwaterdolphinthathaslivedintheYangtzeRiverforover20millionyearswilldieoutin10to15years.It’sindangerofdisappearingforever.Dangers:Dredging(挖掘)oftheirhabitat.根據(jù)材料內(nèi)容選擇最佳答案。()21.HowlonghastheYangtzeRiverdolphinlivedintheYangtzeRiver?A.For20millionyears.B.Forlessthan20millionyears.C.Formorethan20millionyears.D.Wedon’tknow.()22.WhatisNOTadangertotheYangtzeRiverdolphin?A.Dredgingoftheriverbed.B.Insecticideandmercury.C.Swimmers.D.Heavyboattrafficintheriver.()23.HowheavyisanadultYangtzeRiverdolphin?A.10kg. B.45kg.C.25kg~35kg. D.50kg~70kg.()24.WhatdoestheYangtzeRiverdolphinmainlyeat?A.Fishandshrimps. B.Dolphins.C.Chicken. D.Sharks.()25.Whatdoestheunderlinedword“finless”meaninthefirstparagraphinChinese?A.有鰭的 B.無鰭的C.無肺的 D.有肺的B①Doyouknowwhattheworld’shighestwaterfall(瀑布)is?YoumaysaythatitisNiagaraFalls.NiagaraFallsarereallyverybeautiful.Butintermsofheight,themostfantasticfallsintheworldareAngelFalls.Theyaredeepinthejungles(叢林)ofVenezuela.②FewpeoplehaveeverseenAngelFalls.It’sveryhardtogetthere.Ifyougobyland,youwillhavetotravelforweeksthroughthickjungles.IfyougobyplanefromCaracas,acityonthenortherncoast,itwilltakeaboutfourhours.③ThefascinatingfallsareGod’sgifttonature.OneofthemostinterestingfactsaboutAngelFallsishowtheywerefound.TheywerenamedafteranAmericanpilot.HisnamewasJamesAngel.In1937,hecrashedhisplanenearthetopofthefalls.That’showhefoundthem.④AngelFallsdropnearlyakilometer(979.6m)fromatable-topmountain.Thewaterseemstobedroppingstraightoutoftheclouds.Theheightofthefallsissogreatthatbythetimethewaterreachesthegroundithasalreadyturnedintofog.⑤Ifyouhaveachancetovisitthem,you’llneverforgetthem!根據(jù)材料內(nèi)容選擇最佳答案。()26.WhyhavefewpeopleeverseenAngelFalls?A.Becauseitisnoteasytogetthere.B.Becausetheticketsareveryexpensive.C.Becausethereisnohotelorrestaurant.D.Becausevisitorscanonlygetthereonfoot.()27.IfyouwanttovisitAngelFalls,howlongwillyouspendgettingtherebyairfromCaracas?A.About40minutes. B.About4hours.C.About4days. D.About2weeks.()28.WhofoundAngelFalls?A.AwomaninCaracas. B.AnAmericanvisitor.C.ApilotfromCaracas. D.AnAmericanpilot.()29.Whichofthefollowingbestshowsthestructure(結(jié)構(gòu))ofthepassage?A.①②③④-⑤ B.①-②③④⑤C.①-②③④-⑤ D.①②-③-④⑤()30.Wherecanweprobablyreadthepassage?A.Inastorybook. B.Inacookbook.C.Inageographymagazine. D.Inahealthreport.CTherearemanydesertsontheearth.Andthefollowingaresomefactsyoumayfindinteresting.Whataredesertslike?Desertscanbehotanddryplaces.Rainmaynotfallthereformonthsoryears.Somedesertsaresandyandstony.Desertscanalsobeverywindyplaces.Thewindcanchangetheshapeofthedeserts.Itmovessandaroundfromplacetoplace.Temperaturesinthedesertcanvarygreatly.Duringthedaytime,thetemperaturemayreach40℃evenintheshade.Atnight,desertscanbecomeverycold.Inwinter,theremayevenbeafrostearlyinthemorning.LivinginthedesertThecamelissometimescalled“theshipofthedesert”.Itstoresfoodinitshumpandcangofordayswithoutwater.Ithaslargefeetwhichhelpitnottofallintothesoftsand.Itslongeyelashes(睫毛)keepoutthesandduringsandstorms.Anoasis(綠洲)isanareaofthedesertwherewatermaybefound.Peopleandanimalsvisitanoasisforwaterandfood.Plantsgrowatanoasis.Somefarmersareabletogrowcropshere.TheArabianDesertTheArabianDesertliesbetweentheRedSeaandtheArabianGulf.Oilunderpartsofthedeserthasmadesomecountriesintheareaveryrich.Thegovernmenthasspentmoneybuildingfinecitieswithlovelyparksandlakes,andpeopleliveacomfortablelifethere.根據(jù)材料內(nèi)容選擇最佳答案。()31.Whichofthefollowingcanbestdescribedeserts?A.Hotanddry. B.Sandyandrainy.C.Wetandstony. D.Windyandsnowy.()32.Whatdoestheunderlinedword“vary”mean?A.Below. B.Behigh.C.Besimilar. D.Bedifferent.()33.Whatarethecamel’slongeyelashesfor?A.Stayingcoolindeserts.B.Goingfordayswithoutwater.C.Helpingthecamelnottofallintothesoftsand.D.Keepingoutthesandduringsandstorms.()34.Accordingtothepassage,whatdopeopleandanimalsvisitanoasisfor?A.Frostandcrops. B.Sandandstones.C.Waterandfood. D.Moneyandoil.()35.Whatisthebesttitleofthepassage?A.Whatistheweatherlikeindeserts?B.Whatdoyouknowaboutdeserts?C.Howdopeopleliveindeserts?D.WhereistheArabianDesert?D[2024陜西改編]Rainforestsareforeststhatgetalotofrain.Itcanrainmorethanoneinch(=2.54cm)perday!Therearetropical(熱帶的)rainforestsallovertheworld.36._______Theyareverywarm.TheAmazonisinSouthAmerica.Itisthebiggestrainforestintheworld.MorethanhalfoftherainforestisinBrazil.37._______ManyplantsandanimalsliveintheAmazon.Therearemorekindsofplantsandanimalstherethananywhereelseintheworld.Thebiggestmixofplantsandanimalsliveinthecanopy.38._______Thecanopykeepsoffmostofthesunlight.Therainforestfloorisverydark.39._______Therearemorethan400differentnativetribes(土著部落)!Nativepeopleusedtostayintherainforest.Theyfoundfoodandbuilthomesthere.Theymademedicinefromplants.Nowtheysometimesleave.Theygointonearbytownstosellfood.Still,theyliveintheirownways.Today,theAmazonisfacedwiththeproblemofdeforestation.Thismeansthattoomanytreesarecutdownbyhumansand40._______Whatcanwedotoprotecttherainforestandthewildlifethere?根據(jù)材料內(nèi)容,從下面五個選項中選出能填入文中空缺處的最佳選項,使文章意思通順、內(nèi)容完整。A.Thecanopyisathickcoatoftrees.B.Theyarefoundneartheequator(赤道).C.itbringsharmfulresultstothewildlifeintheAmazon.D.Therestspreadsacrosseightothercountries.E.PeopleliveintheAmazontoo.三、完形填空(15小題,每小題1分,共15分)第一節(jié)先通讀短文,掌握其大意,然后從A、B、C、D四個選項中選出一個可以填入相應(yīng)空白處的最佳答案。AteamofChinesescientistsfoundagiantsinkhole(天坑).It’s192meters41.Whatdidtheyfindatthe42?Anancientforest!This43discoverywasmadeinLeyeCounty,inGuangxiZhuangAutonomousRegion.LeyeCounty44“themuseumofsinkholes”.People45about30sinkholesthere.Howdosinkholesform?“Chinahasakarstlandscape(喀斯特地貌),”VenitoldLiveScience.Karstlandscapesaremadewhenrainwaterrunsthroughlittlecracks(裂縫)inthe46.Thecracks47growintotunnels(隧道)andthenbigcaves(洞穴).Overtime,acavecangettoo48.Itsceilingthenfallsslowly,openinguphugesinkholes.VenicalledChina’ssinkholes“spectacular(壯觀的)”becauseof49greatsizes.50aresinkholesimportant?Besideslookingcool,karstcavesandsinkholescanbethe51toallkindsofplants,animalsandmicrobelife(微生物).Thenewlydiscoveredonehasancienttreesupto40meterstall.“Iwouldn’tbesurprisedto52thatsomespecies(物種)inthesecaveshaveneverbeenreportedordescribedbyscienceuntilnow,”saidexplorationteamleaderChenLixin.Thisis53thesinkholesareseparatefromtheoutsideworld.That54anenvironmentfornewspeciestoform.“Sinkholesalsohavedeepstoresofundergroundwater.Theyarelikenature’swaterpipes(管道).Theybring55to700millionpeopleworldwide,”VenitoldLiveScience.()41.A.tall B.deep C.thin D.long()42.A.end B.top C.bottom D.start()43.A.terrible B.amazing C.early D.careful()44.A.isknownas B.isgoodforC.isbadfor D.isbusywith()45.A.made B.dug C.reached D.found()46.A.forest B.tree C.ground D.sky()47.A.luckily B.easily C.slowly D.heavily()48.A.small B.beautiful C.straight D.big()49.A.his B.your C.our D.their()50.A.Why B.When C.Where D.What()51.A.school B.home C.office D.hospital()52.A.know B.sell C.save D.leave()53.A.because B.but C.whether D.after()54.A.hurts B.provides C.protects D.helps()55.A.rain B.snow C.water D.food四、語篇填空(15小題,每小題1分,共15分)第一節(jié)閱讀短文,從方框中選擇適當(dāng)?shù)脑~并用其正確形式填空,使短文通順、意思完整。每空限填一詞,每詞限用一次。danger,keeper,tour,southwest,at,achieve,succeed,they,Asia,protectAsfarasIknow,Chinaisthelargestcountryinsizein56.________.TheeasternpartfacesthePacificOcean.Ithasmany57.________animals.Thelistincludesthehugewhaleslivinginthesea,the“shipsofthedesert”—camelsandsoon.Chinaisalsopandas’birthplace.Accordingtopanda58.________research,anadultpandacanweigh100kilosorsoandeatabout10kilosofbambooaday.To59.________thewildanimals,ourgovernmenthasbuiltmanynaturereserves.Theexcitementoftouringattractsmanyforeign60.________tovisitChinaeveryyear.Feelfreetohaveatour,andyou’llfindmanyfamousplaces,suchastheMingGreatWall,thelongestman-madewallintheworld.It’sabout8,850kilometreslongandwideenough61.________thetopforfivehorsesortenmentowalksidebyside.It’sverysteepandamazing.BecarefulnottofalloverontheGreatWall.AnotheramazingtouristheHimalayas.Theyrunalongthe62.________part.Qomolangmaisthehighestintheworld,whichisupto8,848.86metershigh.Thicksnowcoversthetopallyearround.Manyclimberswanttochallenge63.________inthefaceofdifficulties,eventhoughit’shardtotakeinairnearthetopinthefreezingweatherconditions.Somehave64.________andachievedtheirdreams.ClimbingQomolangmaisagreat65.________forthem.第二節(jié)閱讀短文,根據(jù)語篇要求填空,使短文通順、意思完整。每空限填一詞。Giantpandasliveinbambooforests,highinthemountainsofsouth-westChina.In66.________past,theyalsolivedinotherpartsofChina,andinMyanmarandVietnam.Theyspendabout12hoursadayeatingbamboo,butsometimes67.________alsoeatotherthings,includingplants,fishandsmallanimals.Adultgiantpandasweighbetween80and120kilogramsbutababypandaonlyweighsabout150grams68.________itisborn.Female(雌性)pandasusuallyonlyhaveonecub(幼崽)atatime.Thelittlecubdrinksmilkforaboutfourmonthsandthenbegins69.________eatbamboo.Youngpandasstaywiththeirmothersforaround18months.Scientiststhinkthere70.________between1,000and2,000wildpandasleft.Thereareabout670pandasinzoosinanumberofdifferentcountries,includingChina,theUnitedStates,Mexico,JapanandGermany.Scientistsareworkinghardtosavethisbeautifulanimal.五、補全對話(5小題,每小題2分,共10分)根據(jù)下面的對話情景,在每個空白處填上一個適當(dāng)?shù)木渥?使對話的意思連貫、完整。A:Goodmorning,LinTao!B:71._________________________________.A:Icalledyouyesterday,butnobodyanswered.72.__________________________?B:IwenttoBanjiangResortinDongkouforatripwithmyparents.A:Howdidyougetthere?B:Myfatherdroveusthere.A:73._________________________________?B:Itwasalittlehot,buttheairwasfreshandthewaterwasclean.A:74._________________________________?B:Weclimbedthemountain,wentboatingandhadapicnic.Wereallyhadagoodtime!A:Wow!Thatmustbeinteresting.Well,it’stimeforclass.Ihavetogonow.Goodbye!B:75._________________________________!六、書面表達(dá)(20分)黃河是中華民族的母親河,保護黃河是每一個人義不容辭的義務(wù)。你校英文報擬發(fā)布保護黃河的倡議書。請你根據(jù)以下思維導(dǎo)圖用英文介紹一下黃河并倡導(dǎo)大家共護母親河。ProtecttheYellowRiverFactsmotherriverabout5,464kilometersthesecondlongestSituationswaterandsoilloss...Waysstopfishingmakelaws...寫作要求：1.需包含上述要點,可適當(dāng)發(fā)揮；2.語句通順,意思連貫,語法正確,書寫規(guī)范,卷面整潔；3.詞數(shù)不少于80。ProtecttheYellowRiverDearstudents,_____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________TheEnglishSchoolNewspaper

答案聽力材料：第一節(jié)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答案。每段對話讀兩遍。1.M:Arethereanylakesaroundyourcity,Helen?W:Yes.Therearefourlakes.2.W:Lastyear,IwenttotheSaharaandtheCaspianSea.Didyougotothetwoplaces,Mike?M:No,butItookatouralongtheNilelastyear.3.M:IthinkthefirstteamreachedthetopofQomolangmain1953.Isthatright?W:Yes,andthefirstChineseteammadeitin1960.Andin1975thefirstwomanalsosucceeded.4.M:AsfarasIknow,theNileisthelongestriverintheworld.IstheYangtzeRiverthesecondlongestriverintheworld?W:No,itisn’t.TheAmazonRiveristhesecondlongestriverintheworld,andit’salittlelongerthantheYangtzeRiver.5.W:DoyouknowChinahasahistoryofover5,000yearsold?M:Really?IthasmuchlongerhistorythanAmerica.第二節(jié)聽下面幾段對話或獨白。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答案。每段對話或獨白讀兩遍。聽下面一段對話，回答第6至第7兩個小題。W:Tony,couldyoutellmesomethingabouttheSahara?M:Sure.It’sthebiggestdesertintheworld.Andit’sasbigasAmerica.W:Well,howistheweatherthere?M:Itisverydry.Thereislittlewaterallyearround.Itishotduringtheday,andthehighesttemperaturecanbeupto58℃.Butatnightthetemperaturecandropbelow0℃.聽下面一段對話，回答第8至第9兩個小題。W:How’syourlifeinBritain?M:Well,it’squitebusyandexciting.EverydayIhavetogetupearlyinthemorningtohavemylessonsintheUniversityofOxford.W:Doyouhaveanyhomeworkintheevening?M:Well,IhavetofinishallmyhomeworkinthedaytimebecauseIhaveapart-timejobinarestaurantandIhavetoworkthereatnight.聽下面一段獨白，回答第10至第12三個小題。Theheaviestanimalsintheworldarenotelephants.Theyarebluewhales.Theyarethelargestbuttheyeatthesmallestseaanimals.Nowtheyareindangerbecausesomepeoplemaketheiroceanhomedirtyandotherskillthemfortheirmeat,fatandoil.Luckily,manypeoplehaverealizedtheimportanceofprotectingtheanimals.Theybegintotakeactiontoprotectbluewhales.Myuncleisoneofthem.Hejoinedavolunteerprogramtoprotectthebluewhaleslastyear.Heisveryproudofwhathedid.聽下面一段對話，回答第13至第15三個小題。W:Canyoutellmesomethingaboutthelongestriverintheworld?M:Sure.It’stheNile.AnditisinAfrica.W:Howlongisit?M:It’sabout6,600kilometerslong.Itpassesthroughtencountries.W:DoesitpassthroughEgypt?M:Yes.ItgoesthroughEgyptfromthesouthtothenorth.W:ItmustbeveryimportanttoEgypt.M:Yes.WithouttheNile,Egyptwouldbethedesert.W:Thankyou.第三節(jié)聽下面一篇短文。按照你所聽內(nèi)容的先后順序?qū)⑾铝袌D片排序。短文讀兩遍。TomorrowisSunday.Wehavenoclasses.Wearegoingtovisitdifferentplacesinourcity.JimwillgotothePeople’sPark.It’sthebiggestparkinourcity.Hewantstorowaboatonthelake.Sallyisgoingtothezootoseethepandas.Tomwillgocampingonthehillwithhisfriends.Maryisgoingtovisitthehistorymuseum.ShewantstolearnmoreaboutChineseculture.Therewillbeaspeechaboutwhalesintheschoolhall.Tonyisinterestedinit,sohewilllistentothespeechwithhisfriends.一、第一節(jié)1-5BABCB第二節(jié)6-7CB8-9AA10-12AAC13-15BBA第三節(jié)16-20ECABD二、A【主旨大意】本文主要介紹了長江江豚。21.C【點撥】細(xì)節(jié)理解題。根據(jù)“Scientistssaythatthefinlessfreshwater...forover20millionyears”可知,長江江豚已經(jīng)在長江生存了兩千多萬年。故選C。22.C【點撥】細(xì)節(jié)理解題。根據(jù)“Dangers:Dredging(挖掘)oftheirhabitat.HeavyboattrafficintheYangtzeRiver.Insecticide(殺蟲劑)andmercury(汞).”可知,危險不包含游泳者。故選C。23.D【點撥】細(xì)節(jié)理解題。根據(jù)“Weight:50kg~70kg”可知,體重在50公斤到70公斤之間。故選D。24.A【點撥】細(xì)節(jié)理解題。根據(jù)“Maindiet”中的Fish以及Shrimp可知,它主要吃魚和蝦。故選A。25.B【點撥】詞義猜測題。根據(jù)“Nofin(鰭)ontheback”可知,長江江豚背上沒有鰭,故畫線詞“finless”意為“無鰭的”。故選B。B【主旨大意】本文主要介紹了世界上最高的瀑布——安赫爾瀑布,并介紹了去那里的方式,得名的緣由及其飛流直下的壯觀景色。26.A【點撥】細(xì)節(jié)理解題。根據(jù)“FewpeoplehaveeverseenAngelFalls.It’sveryhardtogetthere.”可知,很少有人見過安赫爾瀑布是因為很難到達(dá)那里。故選A。27.B【點撥】細(xì)節(jié)理解題。根據(jù)“IfyougobyplanefromCaracas,acityonthenortherncoast,itwilltakeaboutfourhours.”可知,如果你要去安赫爾瀑布,從加拉加斯坐飛機大約需要4個小時。故選B。28.D【點撥】細(xì)節(jié)理解題。根據(jù)“TheywerenamedafteranAmericanpilot.HisnamewasJamesAngel.In1937,hecrashedhisplanenearthetopofthefalls.That’showhefoundthem.”可知,選D。29.C【點撥】篇章結(jié)構(gòu)題。通讀全文可知,第一段提出了世界上最高的瀑布是安赫爾瀑布;第二、三、四段具體介紹了去安赫爾瀑布的方式、得名的緣由及壯觀景色;第五段總結(jié),故本文的結(jié)構(gòu)為①-②③④-⑤。故選C。30.C【點撥】文章出處題。通讀全文可知,文章主要講了安赫爾瀑布,應(yīng)該是可以在地理雜志上讀到本篇文章。故選C。C【主旨大意】本文主要介紹了關(guān)于沙漠的一些有趣的事實。31.A【點撥】細(xì)節(jié)理解題。根據(jù)“Desertscanbehotanddryplaces.”可知,沙漠是炎熱干燥的地方。故選A。32.D【點撥】詞義猜測題。根據(jù)“Temperaturesinthedesertcanvarygreatly.Duringthedaytime...earlyinthemorning.”可知,沙漠中的溫度變化很大。故選D。33.D【點撥】細(xì)節(jié)理解題。根據(jù)“Itslongeyelashes（睫毛）keepoutthesandduringsandstorms.”可知,它長長的睫毛是為了在沙塵暴期間阻擋沙塵。故選D。34.C【點撥】細(xì)節(jié)理解題。根據(jù)“Peopleandanimalsvisitanoasisforwaterandfood.”可知,人和動物到綠洲是為了水和食物。故選C。35.B【點撥】最佳標(biāo)題題。根據(jù)“Therearemanydesertsontheearth.Andthefollowingaresomefactsyoumayfindinteresting.”及通讀全文可知,本文主要介紹了一些有關(guān)沙漠的事實,選項B“你對沙漠了解多少？”最適合作為文章標(biāo)題。故選B。D【主旨大意】本文介紹了亞馬遜熱帶雨林中生長著多種動植物,也有土著部落生活在那里。36.B【點撥】根據(jù)“Theyareverywarm.”可知選項B“它們（熱帶雨林）在赤道附近被發(fā)現(xiàn)了?！狈险Z境,故選B。37.D【點撥】根據(jù)“MorethanhalfoftherainforestisinBrazil.”可知此處在介紹熱帶雨林的地理位置,選項D“其余的分布在其他八個國家?！狈险Z境,故選D。38.A【點撥】根據(jù)“Thecanopykeepsoffmostofthesunlight.”可知,此處提到了天篷似的樹蔭,選項A“天篷是一層很厚的樹?！狈险Z境,故選A。39.E【點撥】根據(jù)“Therearemorethan400differentnativetribes(土著部落)！”可知,人們居住在那里,選項E“人們也生活在亞馬遜。”符合語境,故選E。40.C【點撥】根據(jù)“Thismeansthattoomany...humans”可知,太多的樹木被人類砍伐,這會帶來不良后果,選項C符合語境,故選C。三、【主旨大意】本文講了中國科學(xué)家發(fā)現(xiàn)巨大天坑,內(nèi)有遠(yuǎn)古森林。天坑形成于喀斯特地貌,因雨水溶蝕巖石形成。天坑和溶洞可孕育獨特物種和儲存地下水。41.B【點撥】根據(jù)“agiantsinkhole(天坑)”可知,天坑是指“深度”,故選B。42.C【點撥】根據(jù)“agiantsinkhole(天坑)”可知,此處指“天坑的底部”,其他選項不符合句意,故選C。43.B【點撥】根據(jù)“Anancientforest!”可知,這個發(fā)現(xiàn)是驚人的,故選B。44.A45.D46.C【點撥】根據(jù)“whenrainwaterrunsthroughlittlecracks(裂縫)inthe...”可知,此處指“雨水流過地面上的小裂縫”,故選C。47.C48.D【點撥】根據(jù)句意可知,洞穴會變得太大。故選D.49.D【點撥】根據(jù)“VenicalledChina’ssinkholes‘spectacular(壯觀的)’becauseof...greatsizes.”可知選D。50.A51.B52.A【點撥】根據(jù)“somespecies(物種)inthesecaveshaveneverbeenreportedordescribedbyscienceuntilnow”可知,此處指“知道”,故選A。53.A54.B【點撥】根據(jù)“anen