2020-2021学年高中英语Unit4 课后习题新人教版选修6

Unit4Globalwarming

主题语境:人与自然一一环境保护

SectionI-WarmingUp,Pre-reading,Reading&Comprehending

课后篇巩固提升

一、写作词汇

预习Reading部分的词汇,完成下列小对话或语段。

1.一Theboysaidhecouldlifttheheavystone.

—There?sno（疑问）aboutit.

答案doubt

2.—I（瞥见）atTominthestreetjustnow.

一Impossible.Itcan'tbehim.He'sgonetoShanghai.

答案glanced

3.一Howoftendoyou（订阅）newspapers?

-Itdepends,butusuallytwiceayear.

答案subscribeto

4.-There'sa（稳定的）increaseinthetemperatureduringtherecent

yearsafter2018.

一Yes,ithasbeenlikethisforafewyears.

答案|steady

5.Thescientist（声称）thatthetemperatureisgoingto

（继续）（上升）fordecadesorcenturies

（即使）westarttoreducetheamountofcarbondioxideandothergreenhousegases.

答案stated;keepon;goingup;evenif

二、阅读词汇

预习Reading部分的词汇,写出画线部分的汉语意思。

DearRay,

Recently,ourmanagertoldmetosortoutthefuel1.consumptionin

ourcompanyanddrawagraph2.toshowhowmuchfuelisconsumed3._

permonth.

Idon,twanttomakethegraphatrandom4..Couldyouplease

helpmecollectsomeusefuldata5.sothatIcanmakeadetailed

graph?

Iwouldappreciateitifyoucanhelpme.

Lookingforwardtoyourearlyreply!

Yours,

LiHua

筌氮1.燃料2.图表3.消费4.随便地5.资料

三、根据汉语及括号内的提示完成句子

1.他声明他迟到是高速公路上车辆过多所致。（state;bedueto）

Hethathislatenessthevery-

heavytrafficonthemotorway.

答案statedwasdueto

2.这次事件导致她失去了所拥有的一切。(consequence)

Shelosteverythingsheowned______________________________________________________

theevent.

答案asaconsequenceof

3.这里夏天雨水多，干燥的天气少。(tend;ratherthan)

Italothereinsummerbe

dry.

答案tendstorain;ratherthan

4.小吉姆不愿意到这里来，即使这里有给孩子们提供的各种活动。(range)

LittleJimisunwillingtocomehereevenifthereis

forchildren.

答案afullrangeofactivities

5.这个国家的人口每年都以稳定的速度在增长。(steady)

Thepopulationofthecountryisgrowing

peryear.

答案atasteadyrate

6.尽管她有时很恼人，但我还是喜欢她。

Ilikehershecanbeannoying.

答案evenif/though

7.毫无疑问,我们的实验将会成功。

__________________________________________________________ourexperimentwill

succeed.

答案Thereisnodoubtthat

8.在过去的10年里，我的家乡发生了极大的变化。(takeplace)

inmyhometowninthepast

tenyears.

|答案［Greatchangeshavetakenplace

9.请告诉我事故是怎么发生的。(comeabout)

Pleasetellme.

答案howtheaccidentcomeabout

10.他强烈反对禁止香烟广告。(beopposedto)

Hethebanoncigarette

advertising.

答案isstronglyopposedto

四、阅读理解

A

Anewstudyshowsthatrisinglevelsofplanet-warminggasesmayreduceimportant

nutrientsinfoodcrops.

Researchersstudiedtheeffectsofcarbondioxideonrice.Inthe

experiment,scientistsgrew18kindsofriceinfieldsinChinaandJapan.Theyset

carbondioxidelevelstowhatscientistspredictforourplanetbytheendofthe

century.Ricegrownunderhighcarbondioxideconditionshad,onaverage,13to30

percentlowerlevelsoffourBvitaminsand10percentlessprotein(蛋白质).Thecrops

alsohad8percentlessironand5percentlesszincthanricegrownundernormal

conditions.However,vitaminElevelsincreasedbyabout13percentonaverage.

Theresearcherssaidtheeffectsofplanet-warminggaseswouldbemostsevere

forthepoorestcitizensinsomeoftheleastdevelopedcountries.Thesepeople

generallyeatthemostriceandhavetheleastcomplexdiets.Thatincludesabout

600millionpeopleinIndonesia,Cambodia,Myanmar,Bangladesh,Laosandother

nations,mainlyinSoutheastAsia.

Otherstudieshaveshownthathighertemperaturesresultingfromclimatechange

andextremeweatherwillreducefoodproduction.Butscientistsarefindingthat

risinglevelsofcarbondioxideandotherplanet-warminggasesthreatenfood

quality.

Earlierstudiesshowedthatwheat,rice,peasandsoybeansgrownunderhighcarbon

dioxideconditionsallhadlowerlevelsofproteinandminerals.Scientistspredicted

thatalmost150millionpeoplemightbeatriskofhavingtoolittleproteinorzinc

intheirdietby2050.

Thenewstudysuggestsawaytolowerthenutritionalharmofclimatechange.That

istogrowdifferentformsofricethatcanadapttohighercarbondioxidelevels.

1.Growingriceunderhighcarbondioxideconditionsmay.

A.increaseironintherice

B.makeitmoredelicious

C.causealossofvitaminE

D.makeitlessnutritious

解析推理判断题。根据第二段中的"Ricegrownunderhighcarbondioxideconditions

had,onaverage,13to30percentlowerlevelsoffourBvitaminsand10percentless

protein（蛋白质）.Thecropsalsohad8percentlessironand5percentlesszincthan

ricegrownundernormalconditions.可知，在二氧化碳含量高的条件下生长的水稻所含

的营养物质比正常情况下生长的水稻少了很多。故D项正确。

2.Howcanpeoplereducethenutritionalharmofclimatechange?

A.ByimportingricefromChinaandJapan.

B.Bytakingotherkindsoffoodinsteadofrice.

C.ByavoidingeatingricefromSoutheastAsia.

D.Bygrowingricesuitablefortheenvironment.

答案|D

解画细节理解题。根据最后一段的内容可知,减少气候变化对水稻营养破坏的方法是种植一

些能够适应二氧化碳含量较高的气候条件的水稻品种。故D项正确。

3.What'stheauthoryspurposeofwritingthetext?

A.Toinformreadersofwhatnutrientsfoodcropscontain.

B.Tocallonpeopletocarefortheplanettheyliveon.

C.TosharetheresultsofsomestudiesonpeopleJsdiets.

D.Totellreaderswherefoodcropsaremainlyproduced.

ggB

画推理判断题。根据文章第一段和倒数第二段可知,在二氧化碳含量高的条件下生长的水

稻、小麦、豌豆、大豆等植物,其营养物质都有不同程度的丢失,这些对人类生存产生了威胁，

因此本文是为了提醒人们关爱我们生活的地球。故B项正确。

4.Inwhichpartofamagazinecanyoureadthetext?

A.Advertisement.B.Artsandculture.

C.Sciencereport.D.Businessnews.

播案|c

画推理判断题。本文是一篇说明文,主要说明了温室气体可导致农作物营养含量降低,这

属于科学研究的范围，与广告、文化艺术及商业新闻无关，故c项正确。

B

Thereareonlyafewtrulypleasantsmellstowakeuptointhemorning.For

me,it'sthesmelloffreshlybrewedcoffee.Justasniffofitmakesmejumpout

ofbedandrushtothekitchenforagulpofthehotblack1iquid.

Ifyou'reabigfanofcoffee,you*11understandthatopeninganewpacketof

coffeereleasesanamazingsmell一fresh,roastedcoffeebeans.Andyou'11beable

toidentifythebeans'origin-Colombia,VietnamorBrazil.TimHaywardisafood

writerandcoffeeshopowner;hebelievesthesmellisabsolutelyvital."Whenyou

walkintothecoffeeshopinthemorningandthatsmellhitsyou,you'regetting

physiologicalresponses.”

IknowfromexperiencewhenIwalkintoacafe,mymouthbeginstowaterandit's

thesmellthatmakesmefeelgood.However,thisfeelingsometimesturnsto

disappointment.ThisisparticularlythecasewhenIorderacoffeetogoinatall

papercupandsiptheliquidthroughaholeinthelid.Yes,it'sconvenient,butis

itreallytherightwaytoappreciateit?

Youwalkintothecoffeeshop,yougetthesmell,butwhenyouactuallytakethe

drinkout,youaredrinkingitfromsomethingthatisdesignedtodeliverthehot

1iquiddirectlypastyourtongue,butpreventanysmellcominguptoyournose.As

wellaseliminatingthesmell,takeawaycoffeecupscreatealotofwasteandavast

majorityofthemstilldon,tgetrecycled.Somaybenowisthetimetoreallywake

upandsmellthecoffeebydrinkingfromacupinacafe,chattingwithfriendsand

savingtheplanet!

5.InwhichaspectdoestheauthoragreewithTimHayward?

A.Drinkingcoffeeisthefirstthinginthemorning.

B.Coffeebeans'originmakesallthedifferences.

C.Somepeopleareaddictedtodrinkingcoffee.

D.It'sthesmellofcoffeethatreallymatters.

答案|D

解析细节理解题。根据第一段第二句"Forme,it'sthesmelloffreshlybrewed

coffee.w以及第二段第三句中的“hebelievesthesmellisabsolutelyvitalw可知，

两人都认为咖啡的味道非常重要。故选D项。

6.Whatdoestheauthorcomplainabout?

A.Theprocessofmakingcoffee.

B.Thehightemperatureofcoffee.

C.Thedesignofthepapercoffeecup.

D.Theinconvenienceofbuyingcoffee.

ggc

解洞细节理解题。根据第三段最后一句和第四段第一句中的“youaredrinkingitfrom

somethingthatisdesignedtodeliverthehot1iquiddirectlypastyourtongue,but

preventanysmellcominguptoyournose”可知,纸咖啡杯的设计令作者不满。故选C

项。

7.Whatcanreplacetheword“eliminating”underlinedinParagraph4?

A.Creating.B.Removing.

C.Increasing.D.Changing.

解析I词义猜测题。根据第四段第一句中的"preventanysmellcominguptoyournose"

并结合画线词所在的句子可推知，该词的含义与prevent含义相近,故选B项。

8.Whatcanbethebesttitleofthetext?

A.WakeupandSmelltheCoffee

B.TrytoBeaRealLoverofCoffee

C.DrinkCoffeetoSavethePlanet

D.ChooseTakeawayCoffeeforConvenience

S]A

解析主旨大意题。根据第一段第二句"Forme,it'sthesmelloffreshlybrewed

coffee."并结合文章其他内容可知，全文围绕咖啡的味道展开叙述，主要讲述了作者对咖啡

味道的喜爱,并表述了用纸杯装咖啡的坏处，故A项最适合作本文标题。

五、短文改错

Yesterdayafternoonmyfriends,XiaoMing,andIwentskatingonthelake.Assoon

aswegothere,webegantoskatehappily.Suddenly,Inoticedsomethingusual.The

momentIwarnedXiaoMingtotakecareof,theicebrokebutheslippedintothewater.I

hadnochoicebutcryforhelp.Afterhearingmycry,ayoungmanrushedover,jumped

intothelakeandtriedmybesttoswimtowardsXiaoMing,thatwasstrugglingin

thecoldwater.Atlast,XiaoMingwassavedbuttheyoungmanleftwithoutsay

anything.Wewerealldeeplymovedbywhathehavedone.

|答案|第一句:friends-*friend

第二句：h6r6fthere

第三句:usual—unusual

第四句：去掉of;butfand

第五句：but后加to

第六句：第二个myfhis;that-who

第七句:say->saying

第八句：hav6fhad

Unit4Globalwarming

主题语境:人与自然一一环境保护

SectionII-LearningaboutLanguage,UsingLanguage,

SummingUp&LearningTip

课后篇巩固提升

一、单句改错

1.Asthewhole,yourplanisquitepractical.

答案the-*a

2.Heisn,tthebest;heisjustontheaverage.

答案onfabove

3.Anaverageof100lettersisansweredbythesecretaryeveryday.

答案|isfare

4.Iamgreatlyhonoredtomakeaspeechhereonbehalfforourschool.

答案for—of

5.Thecompanyadvocatesalltheemployeesneeddosomephysicalexerciseduringthe

break.

答案needfshould或省略need

6.WhatIcan'tputupishiscoldnessduringourstaythere.

答案|up后加with

7.Everycitizenshouldmakeacontributiontoprotecttheimageofourcity.

答案protectfprotecting

8.Underanycircumstanceswillweletouthissecret.

答案any-*no

二、用方框中所给短语的适当形式填空

putupwithundernocircumstancesonbehalfofaboveaverageandsoononthe

wholesolongasmakeadifferencebecasualaboutinsteadof

1.Hemadeaspeechattheconferencehisschool.

答案onbehalfof

2.Idon,tknowhowyoucantheirendlessquarrels

everyday.

答案putupwith

3.Ifyouknowaforeignlanguageyoucantellyourforeignfriendsaboutyour

family,yourhobbies.

答案andsoon

4.willChinabethefirstcountrytousenuclear

weapons.

答案Undernocircumstances

5.Youcanborrowmycaryoupromisenottodrivetoo

fast.

答案solongas

6.Hepretendedtotheresultofthecompetition,even

thoughhecaredaboutitsomuch.

答案becasualabout

7.focusingonyourownfeelings,learntolookfor

thelove,beautyandkindnessaroundyou.

答案Insteadof

8.Itwouldhaveifyouhadtoldmethistwodaysearlier.

答案madeadifference

9.Hewasagoodstudentandscoredinmost

subjects.

答案aboveaverage

10.,thedamagetothehouseisnotseriousanditcould

berepaired.

答案Onthewhole

三、阅读理解

A

Sometimeswemayfindthateveryweektherearealotofnewstoriesabouthow

climatechangeisaffectingtheplanet,ornewplanstobattleitseffectslikethe

oneannouncedbytheformerUSPresidentBarackObamatheotherday.Buttheconcept

itselfisn'tnewatall-infact,scientistshavebeenexploringquestionsabout

climatechangeforalmost200years.

Theideaofgreenhousegases“goesbackto1824,whenJosephFourierwondered

whatwasregulatingtheearthystemperature.Fourierconcludedthattheatmosphere

mustberesponsibleforcontainingtheheatabsorbedfromthesunanddescribedrt

asaboxwithaglasslid:Aslightshinesthroughtheglass,theinsidegetswarmer

asthelidtrapstheheat.AsFourier'sideasspread,itcametobecalled”the

greenhouseeffect”.

Scientistscontinuedtostudythegreenhouseeffect.UntilaSwedishchemist

namedSvanteArrheniuscamealong,scientistsunderstoodhowglobalwarmingactually

works.Afteryearsofwork,Arrheniusdeterminedthatthelevelofcarbondioxidein

theatmospheredidinfacthaveadirecteffectonglobaltemperatures.

ArrheniusfoundthatCO2,andothergasestrapradiation,whichwarmsthe

atmosphere.Arrheniuswasthefirsttosuspectthatburningcoalcouldcontribute

tothegreenhouseeffect.ButArrheniuswelcomedthewarmingeffectontheplanet.At

alecturelaterthatyear,Arrheniusnotedthatcreaturesofawarmerearth“might

liveunderamilderskyandinlessbarrensurroundings”.

WhileArrheniusJfindingswonhimthe1903NobelPrizeinChemistry,scientists

keptdebatingwhetherthegreenhouseeffectwasincreasinguntil1950,when

researchersfinallybegantofindstrongdatatosupportit.Bytheendofthe

1950s,Americanscientistshadbeensoundingthealarmonthelong-termconsequences

ofclimatechange.ClimatechangeresearchhascomealongwaysinceFourierfirst

describedthegreenhouseeffect.MaybeArrheniusshouldhavebeenmorecarefulof

whathewishedfor.

1.WhatcanweknowfromParagraph1?

A.Climatechangehascausedterribledisasters.

B.Thetopicofclimatechangehasbeentalkedalot.

C.Scientistsshouldworkhardertoresearchclimatechange.

D.Thewholeworldshouldcooperatetoprotecttheenvironment.

S]B

解析细节理解题。根据第一段中的“Sometimeswemay...theotherday.”可知，第一段

讲述的是“关于气候变化的话题已经讨论了很多”。故选B项。

2.Whatdoestheunderlinedword“it”inParagraph2referto?

A.Theatmosphere.B.Theidea.

C.Theearth.D.Theearthystemperature.

丽代词指代题。根据第二段可知,Fourier的结论是,大气层负责吸收来自太阳的热量，

并将其描述为一个有玻璃盖子的盒子：当光线穿过玻璃时，内部温度会随着盖子吸收热量而

升高。由此可知此处it指的是大气层。故选A项。

3.WhatdidArrheniusthinkofthegreenhouseeffect?

A.Itwasbeneficialforcreaturesonearth.

B.Itwastotallyresponsibleforclimatechange.

C.Itbroughtmoretroublesthanbenefitstohumanbeings.

D.Itworkedasapunishmentforharmfulhumanactivities.

解析推理判断题。根据第四段中的"ButArrheniuswelcomedthewarming

effect...surroundings.w可知,Arrhenius认为温室效应对地球上的生物有益。故选A项。

4.What'stheauthorJsattitudetowardsArrhenius'expectation?

A.Cautious.B.Defensive.

C.Positive.D.Negative.

解析|推理判断题。根据最后一段中的"Climatechangeresearchhascomealong

way...Arrheniusshouldhavebeenmorecarefulofwhathewishedfor.“可知，作者

对Arrhenius的预测的态度是消极的。故选D项。

B

TheAntarctica*ssnow-whiteenvironmentisgoinggreenandfacingother

unexpectedthreats.Scientistssaythatastemperaturesgoupinthepolar

area,invading（入侵）plantsandinsects,includingtheflies,causeamajorthreat.

Moreandmoreoftheseinvaders,intheformoflarvae（幼虫）orseeds,are

survivingincoastalareasaroundtheSouthPole,wherethetemperaturehasrisen

bymorethan3°Coverthepastthreedecades.Glaciershavemelted,exposingmore

landwhichhasbeenoccupiedbymossesthathavebeenfoundtobegrowingmorequickly

andthicklythaneverbefore一providingpotentialgreenhomesforinvaders.

uThecommonhousefliesareaperfectexampleoftheproblemtheAntarctica

nowfacesfrominvadingspecies,“saidDominicHodgsonoftheBritishAntarctic

Survey."Theycomeinonships,wheretheyexistinkitchensandthenatbaseson

thecontinent.TheynowhaveanincreasingchanceofsurvivingintheAntarcticaas

itwarmsup,andthatisaworry.Insectslikethehousefliescarrybacteriathat

couldhaveadeadlyeffectonnativelifeforms.”

TheAntarcticahasseveralnativespeciesofinsects.Togetherwithitsnative

mosses,thesearenowunderincreasedthreatfromthreemajorsources:visiting

scientists,increasingnumberoftouristsandglobalwarming.However,itisglobal

warmingthatisthemaindriverofthegreeningofAntarctica.

In2015,morethan38,000touristsvisitedtheAntarctica."Thesetouristsare

oftenverycarefulaboutnotleavingwasteorhavingmud.Buttheycouldcarryseeds

orlarvaeontheirbootswhentheysetfootontheAntarctica,,,saidHodgson.

MoreandmoreinvasiveinsectsandplantshavebeenfoundontheAntarcticaand

haverequiredremoval."TheinsectsandplantsthatarenativetotheAntarctica

havesurvivedthereforthousandsofyears,“saidHodgson."Wehavetoactnowif

wewanttosavetheenvironment.,,

5.Whatdoestheunderlinedword“mosses“inParagraph2referto?

A.Houseflies.B.Coastalareas.

C.Akindofplant.D.Akindofanimal.

解析|词义猜测题。根据第二段中的^Glaciershavemelted,exposingmorelandwhichhas

beenoccupiedbymossesthathavebeenfoundtobegrowingmorequicklyandthickly

thaneverbefore——providingpotentialgreenhomesforinvaders.”可知,画线词指

的是一种植物,故选C项。

6.WhatisthemaincauseoftheAntarcticagoinggreen?

A.Thearrivalofscientists.

B.Theincreasingnumberofvisitors.

C.Therapidspreadofnativeplanting.

D.Therisingtemperaturearoundtheworld.

答案|D

丽细节理解题。根据倒数第三段最后一句可知，南极变绿的主要原因是“全球气温上

升”。故选D项。

7.WhatdoweknowaboutthehousefliesintheAntarctica?

A.TheyarenativespeciestotheAntarctica.

B.Theywilldieoutbecauseofthefreezingweather.

C.TheycometotheAntarcticafromnearbyislandsontheirown.

D.Theyseverelyinfluencedplants,insectsandothersnativetotheAntarctica.

题细节理解题。根据第三段最后一句可知,南极的家蝇严重影响了南极当地的其他物种。

故选D项。

8.WhatJsthebesttitleforthetext?

A.TheAntarcticaIsBecomingGreenandEnergetic

B.VariousThreatsArePuttingtheAntarcticaatRisk

C.MoreandMoreScientistsGettoExploretheAntarctica

D.GlobalWarmingHasCausedtheTemperatureintheAntarcticatoRiseUp

|答案|B

画主旨大意题。通读全文可知,本文讲述的是由于全球气温上升,各种各样的威胁正置南

极于危险之中。故选B项。

四、七选五阅读理解

Readingbooksisoneofthebesthobbies.Itnotonlyhelpsyoupassyourtime

butalsohelpsyouincreaseyourknowledgeinameaningfulmanner.]Herewewill

giveyouafewtipsthatcanhelpyou.

•Fallintothehabitofborrowingbookstoread.

Thisisaveryoldschoolpracticebutstillitcanbehighlyeffective.When

youborrowabook,thereisobviouslyadeadlineset.2

•Readeverywhere.

Keepabookinyourbagandreaditanywhereyougo.Thiswillhelpyoutopass

yourtimeinaveryproductivemanner.3Anyway,youcanreadyourbook24hours

aday.

____

Thiscaneasilybedescribedasanewschooltechnique.Youcanreadouttoyour

brotherorsisterandthiswillenableyoutofinishyourbookaswellasincrease

theknowledgeandunderstandingofyourbrotherorsister.

•Chooseyourbooksverycarefully.

5Thuschooseyourbooksverycarefullyinordertoenjoyyourtimeandalso

finishyourbookeffectively.Ifyouchooseagoodbookthatcankeepyouinterested

foralongerperiodoftime,thereisnowaythatyouaregoingtoleaveit

incomplete.

A.Readouttosomeoneelse.

B.Realizetheimportanceofreadingbooks.

C.Therefore,itisnecessarytodevelopthereadinghabit.

D.Findanexcusetoreadeverydayjustbyvisitingbookclubs.

E.Yes,lifeistooshorttoreadabookthatdoesn,timpressyou.

F.Itdoesn,tmatterwhetheryouaretravelingorareabouttosleep.

G.Thiscanencourageyoutoreaditoftentofinishthebookontime.

答案|r5CGFAE

五、语篇填空

Trafficjams(堵塞)areacommonprobleminlargercities.Insomecities,traffic

jamsgetsobadduringrushhourthatitissometimes1.(fast)towalk

thantodrive.Trafficaccidentsarealsoaproblem.Sadlytheseproblemsarenoteasy

tosolve.However,atrafficsystem(系统)beingtestedinseveralcitiesinNorthern

Europehasledtosomesurprising2.(result).

Thesystem3.(call)usharedstreets”.Itisasystemthathasvery

fewtrafficlaws.Asaresult,sharedstreetareashavenotrafficlightsorstreet

signs.Althoughmostpeoplewouldexpectthistocausethenumberoftrafficjams

andaccidents4.(go)up,untilnow5.hasbeenagreatdropin

both.Onereason6.(be)thatthesharedstreetssystemencouragespeople

tobemore7.(care).Withouttrafficrules,peopleslowdownandpaymore

attention8.eachother.Normaltrafficsystems,ontheotherhand,depend

onsigns,9.peopleoftenmissordon'tfollow,leadingto

accidents.Also,thesharedstreetssystemdecreases(减少)trafficjamsbecause

withoutfixed(固定的)parkingspaces,itiseasierforcarstomovearound10.

(free)whenthereisalotoftraffic.

答案1.faster2.results3.iscalled4.togo5.there

6.is7.careful8.to9.which10.freely

Unit4Globalwarming

主题语境:人与自然一一环境保护

SectionIII-Grammar

课后篇巩固提升

一、对画线部分进行强调

1.Hebeganhismedicalresearchafterhegotfinancialhelp.

答案Itwasafterhegotfinancialhelpthathebeganhismedicalresearch.

2.Hedidn,tmentionhisownplanuntiltheendoftheletter.

替案|ltwasnotuntiltheendoftheletterthathementionedhisownplan.

3.Whydidn?tyouattendthebirthdaypartyofyourbestfriend?

|答案［Whywasitthatyoudidn,tattendthebirthdaypartyofyourbestfriend?

4.Theculture,ratherthanthelanguage,madeithardforhimtoadapttothenew

environmentabroad.

答案Itwastheculture,ratherthanthelanguage,thatmadeithardforhimtoadapt

tothenewenvironmentabroad.

二、阅读理解

Findingfishisgoingtogetharderasclimatechangecontinuestoheatthe

world?soceans.Anewstudyfindsthatwarmingseasoverthepast80yearshave

reducedthesustainablecatchof124speciesoffishandshellfish.Asustainable

catchreferstotheamountthatcanbeharvestedwithoutdoinglong-termdamageto

thehealthofpopulationsofsomespecies.

Overfishinghasmadethatdeclineworse,researcherssay.Overfishingrefersto

catchingsomanyfishthatthesizeofthepopulationfalls.Insomepartsofthe

world,suchastheheavilyfishedSeaofJapan,thedecreaseisashighas35

percent.That?salossofmorethanoneineverythreefish.

Researchersexaminedchangesin235populationsoffishandshellfishbetween

1930and2010.Thosefishpopulationsspreadfarapartacross38ocean

regions.Temperaturechangesvaryfromoneoceansitetoanother.Butonaverageover

thattime,Earth?ssea-surfacetemperatureshaverisenbyabouthalfadegree

Celsius.

Onaverage,thatwarminghascausedthesustainablecatchtodropby4.1

percent,thestudyfound.About8percentofthefishandshellfishpopulationsthe

teamstudiedsawlossesasaresultoftheoceanwarming.However,about4percent

ofsomepopulationsincreased.That'sbecausecertainspecieshavethrivedinwarmer

waters.Oneexampleisakindofblackseafish.Itlivesalongthenortheastern

L.S.coast.Aswarmingcontinues,thesefishwillreproducefasteruntiltheyreach

theirlimit.

About3.2billionpeopleworldwiderelyonseafoodasasourceoffood.Thatmeans

it'surgentforcommercialfishingfleetsandregulatorstoconsiderhowclimate

changeisaffectingthehealthofallofthosefishinthesea.

1.Whatdoesthenewstudydiscover?

A.Overfishingistoblameforfishhealth.

B.War