人教版八年级英语下册期中总复习-阅读专项练习题（含答案）

2025-2026学年第二学期八年级英语期中复习

任务型阅读专项练习（unitl-unit4）

本资料精选了unitl至imit4的任务型阅读题目，旨在提升同学们的阅读理解与

答题能力，请根据文章内容，认真答题！

A

Everyonewantstowritebeautifully.AndIlovesomethingspecial-Chinesecalligraphy.

WhenIwasalittlechild,IlovedtowatchmygrandparentswriteChinesecharacterswith

inkbrushes.LaterIcametolearnaboutmanyChinesecalligraphers,suchasWangXizhiofihe

JinDynasty.

Attheageof9,1joinedawritingclasstolearnChinesecalligraphy.Theteachershowed

manyofhiscalligraphyworks.ItoldmyselfthatIwouldpractisehardandtrytobecomeasgood

ashim.

Atfirst,1followedtheteachercarefully.Assoonastheteacherwroteacharacter,Iwrote

thesameone.BeforelongIcouldwritemanydifficultcharacters.IwashappyandbelievedthatI

wastalented（有天赋的）inChinesecalligraphy.

However,afterayearoflearning,althoughIpractisedhard,theteacherpointedoutsome

problemsinmycalligraphyIthoughtitwasjustawaytoiirprovemywritingskills,buthetold

methatChinesecalligraphyispartofChineseculture.Besides,Ithoughtitwasjustabout

mimicry（模仿）,buthetoldmethatChinesecalligraphyisacreationthatcomesfromtheheart.

Hesaidthatawritershouldthinkcarefullyaboutwhathewantstoshowbeforehestartstowrite.

I'mnotsureifIfullyunderstoodtheteacher.Butfromthenon,Ispentmoretimethinking

andpractisingmywriting.IwillcontinuepractisingandIhopeonedayIcanknowtheessence

（精华）ofChinesecalligraphy.

I.WhogotthewriterinterestedinChinesecalligraphyinhisearlyyears?

2.Howdidthewriterfeelabouthisprogressincalligraphy?

3.WhatdidtheteacherthinkofChinesecalligraphy?

试卷第I页，共8页

4.Whatdidtheteacherthinkawritershoulddobeforewriting?

5.Wha（isthepassagemainlyabout?

B

Acupuncture（针灸）hasareallylonghistoryinChina.AccordingtoRecordsof（heGrand

Historian,writtenbySimaQianabout2,100yearsago.BianQuewasfamousforsavingaprince

from“death”byusingacupuncture.

Today,acupunctureisstillusedinChina.LiMing,a42-year-oklwoman,saidacupuncture

reallyhelpedtreatherdryeyes.In2009,Listartedtohavedryeyes.Aftershetriedmanyother

ways,afriendtoldhertoseeadoctorwhowasgoodattreatingtheillnesswithacupuncture.Li's

treatmentlastedoneandahalfyears,andafterover130visits,hereyesbecamewetenoughfor

hertogoonwithherworkin2013.

LiuCunzhi,ateacherfromBeijingUniversityofChineseMedicine,isusingacupunctureto

treatpeoplewithAlzheimer'sdisease.4kManyofthemcometometwiceaweekfbrsevenoreight

yearstostoptheirillnessfrombecomingworse/'hesaid.

Infact,acupunctureisthemostwidelyusedtraditional（传统的）medicinepracticeallover

theworld.Between2002and2012,intheUS,thenumberofpeoplegettingacupuncturetreatment

grewby50%andthenumberoflicensed（持有执照的）acupuncturistsgrewby100%.What's

more,areportinTimemagazinesaidthatacupunctureisbecomingpopularintheUS.asmore

andmoreAmericansfindacupunctureuseful.Nowpeoplein183countriesandareasareusing

acupuncture.

6.WhydoesthewritermentionBianQueinthefirstparagraph?

7.HowdidLiMinggelbelterfromherdryeyes?

8.HowdoesacupuncturehelppeoplewithAlzheimer'sdisease?

试卷第2页，共8页

9.Whatisthelastparagraphmainlyabout?

10.Whatdoyouthinkofthefutureofacupuncture?Pleaseexplain

C

Shouldyouseeadoctoreverytimeyou'reill?Ofcoursenot!Doctorsdon'thaveacurefbr

everything.Infact,somecommonillnessesaredifficultfordoctorstocure.Sometimespeopleuse

differenthomeremedies（治疗）.

Thecoldisoneexample.Peopleinmanycountriesdon'ttakemedicinefbracold.They

justdrinksomechickensoup.Manypeoplebelievethatchickensoupisanaturalandhealthycure

foracold.Anditreallyhelps.

AndinChina,it'scommontocureaheadachewithanegg.Youboiltheegg,takeoffthe

shell（壳）,andrub（揉）theeggonyourface,headandneckuntiltheeggbecomescool.Some

peoplethinkthishelpsyousleepbetter,loo.Rubbingwiththeeggrelaxesyou.Often,headaches

happenbecauseofstress,sorelaxingisagreatidea.

Whataboutafever?Therearealotofdifferenthomeremedies,butaninterestingoneuses

vinegar（醋）.InRussia,peoplerubitinto（heskin（皮肤）.Vinegarmakesyourskinfeelcooler,

anditcanhelpreduceyourbodytemperaturealittle.

Oneoftheworld'soldesthomeremediesistea.Youcanuseteafbrallkindsofsimple

stomachachesandsorethroats.Someingredientsinteamakeasorethroatfeelbetterandhelpyou

relax.

11.Whatisanaturalcureforacoldinmanycountries?

12.Whydoesrubbingwithaboiledegghelpwithaheadache?

13.HowdoRussianpeopledealwithafeverathome?

14.Whatcanyoudoifyouhaveasorethroataccordingtothepassage?

试卷第3页，共8页

15.Whatisthepassagemainlyabout?

Mostpeoplewanttobehappy,butfewknowhowtofindhappiness.Moneyandsuccess

alonedonotbringlong-lastinghappiness.Aristotle,aGreekthinker,said,"Happinessdependson

ourselves,^^Inotherwords,wemakeourownhappiness.Hereareafewsuggestionstohelpyou

behappier.

Thefirstsecretofhappinessistoenjoythesimplethingsinlife.Toooften,wcspendtoo

muchtimethinkingaboutthefuture,forexample,gettingintocollegeorgettingagoodjob,sowc

failtoenjoythepresent.Youshouldenjoylife'ssimplepleasures,suchasreadingagoodbook,

listeningtoyourfavouritemusic,orspendingtimewithclosefriends.Peoplewhohaveseveral

friendsoftenlivehappierardhealthierlives.

Anothersecretoflivingahappylifeistobeactive（活跃的）.Manypeopledodancingor

playsports.Peoplecanforgetabouttheirproblemsandonlythinkabouttheactivities.

Finally,manypeoplefindhappinessinhelpingothersStudiesshowthatpeoplefeelgood

whentheyspendtheirtimehelpingothers.Ifyouwanttofeelhappier,dogoodthingsfor

someone.Youcanhelpafriendwithhisorherstudies,goshoppingtobuyfoodforanelderly

person,orsimplyhelpoutaroundthehousebywashingthedishes.

Inshort,happinessisn'tfaraway.Itstartswithsmallactionseveryday.

16.AccordingtoAristotle.wheredoeshappinesscomefrom?

17.Whydopeoplemissthejoyofthepresentsometimes?

18.Howcanbeingactivehelppeoplefeelhappier?

19.Howdoeshelpingothersbenefitus?

20.Whatisthepassagemainlyabout?

试卷第4页，共8页

E

Teenagersoftenfacearollercoaster（过山车）ofemoiions.Onemomenttheymayfeel

happy,andthenext,sadorangry.Whyisthis?Expertssayphysicalchangesduringtheteenage

yearsplayabigrole.Asbodiesgrowandbrainsdevelop,hormoneschangequickly.Thatcan

causeemotionalupsanddowns.

It'scommonforteenagerstofindithardtocontrolthesefeelings.Forexample,15-year-old

Lilyoncearguedwithhermotheroverasmallthing-whethertowearajacket.knewshewas

worriedaboutmecatchingacold,butIfeltshewantedtocontrolme,“Lilysaid."Ishoutedather

and（henfeltsorryatonce.^^

Hidingfeelingsisn'tagoodsolution,thoughmanyteensdoit."Ipretendtobecalmin

frontofmyfriends,butactually,Tmoftennervousaboutfittinginwiththem,“said16-year-old

Tom.Expertssuggestthatrecognizing（识别）（heiremotionsisthefirststeptomanagingthem.

Writingdiariesortalkingtotheirparentsorteacherscanhelpteensexpresstheirtruefeelings.

Anotherhelpfultipistoavoidthinkingtoomuchaboutthepast."Ifyouhadafightwitha

friendyesterday,don'tletitinfluencetoday,“saidexpertMs.Lee."Learnfromtheexperience

andmoveon."It'salsoimportanttorememberthatemotionsarenormal—everyonefeelsupset

sometimes.Thekeyistostayincontrolofyourfeelings.

21.Whatcausesteenagers'changingemotions?

22.WhydidLilyarguewithhermother?

23.Whatdoexpertssuggestteenagersdofirsttodealwiththeiremotions?

24.Howshouldteenagerstreatthepast?

25.Whatisthewriter'smainpurposeinwritingthispassage?

试卷第5页，共8页

PeopleoftenthinkoftheNorthPole（北极）andtheSouthPoleassimilarfrozen（冰冻的）

wastelands.Theyarcbothplaceswithverycoldtemperaturesandfewpeoplelivethere.However,

theNorthPoleisnotmuchliketheSouthPole.Sowhatistherealsituationthere?

TheNorthPolehasnoland,onlythickice.Temperatureshardlygoabove32°F-waterturns

intoiceatthistemperature.Mostofthetime,itstaysbelow0℃.Inwinter,temperaturesare

usuallyaslowas-30°F.

Althoughconditionswerepoor,peopletriedformanyyearstoreachtheNorthPole.From

1901to1906,RobertPearytriedthreetimestoreachtheNorthPole,buthedidn'tmakeit.Itwas

notuntilthreeyearslaterthathefinallysucceededingettingtothisenvironmentfulloftroubles

andproblems.

TherearefewthingsmoredangerousthancrossingtheArctic（北极）onfool.Peoplewho

slaytheremayfacemanyproblems:verycoldtemperatures,suddenstorms,andevenhunger.

Mostoftheareaisuninhabited（无人居住的）,sofewpeoplecanliveinsuchadifficultplace.

Peoplemightthinkthatwithsuchlowtemperaturesformostoftheyear,theicewouldbe

thickandhard.However,thisisnottrueintheArctic.Therr.ovementof（heoceanwalerunder（he

icemaycausemanydifferentchangesonthesurface.Sometimestheicebreaksintotwoopening

lanes（道）ofwatercalled"leads”.Anyonewhofallsintoaleadcanbefrozentodeathinafew

minutes.

26.What'stheusualtemperatureinwinterintheNorthPole?

27.WhendidRobertPeary「eachtheNorthPole?

28.WhatmakesitdangeroustocrosstheArcticonfoot?

29.WhydoestheiceintheArcticbreakintoleads?

30.Whatdoesthispassagemainlytalkabout?

G

试卷第6页，共8页

Chinahasworkedhardformanyyearstoreturnrescued（被营救的）Asianelephantstothe

wild.Recently,asuccessstorycamefromXishuangbannainYunnan.Arescuedelephantnamed

A'Baojoinedawildelephantgroup.

A'BaowasrescuedinPifer,Yunnanin2018whenhewas12yearsold.Hegotlostfrom

hisgroupthen.Afteryearsofcarefultraining,A'Baowasstrongenoughtoliveinthewild.In

2024,hewasreturnedtothewild.Infact,theAsianElephantProtectionCentreprovidedA'Bao

withhealthyfoodandaspecialtrainingplantohelphim.FromApril14thtoMay17th,2024.he

trainedaloneinthewildbeforebeingsetfree.Helearnedhowtofindfoodandstayawayfrom

danger.

Luckily,onSeptember5th,2024,thescientistsfromtheCentresawA'Baodrinkingwith

34wildelephantsinWildElephantValley（野象谷）.Throughhiscollar（颈圈），theyknewwhere

hewasandwhathedid.ThismeansA'Baogotusedtothewildlifeagain.

Forthefirsttime,Chinasucceededinreturningarescuedelephanttonaturc.4tWchope

A'Baowillstarthisownfamilyinthewild,“saidoneofthescientists.“Wewillkeepwatchinghim

throughhiscollar.Weplantousewhatwe'velearnedfromA'Baotohelpotherrescuedelephants

toreturntonature?,

Thissuccessisabigstepfbrwildlifeprotection.BystudyingA'Bao'sjourney,scientists

wanttofindbetterwaystogivemoreelephantsanewlifeinthewild.Everystepforwardin

understandingthejourneybringsusclosertomakingsurethatmorerescuedanimalscanlivein

theirnaturalhomes.

31.Wheredidthesuccessstoryhappen?

32.HowlongdidittakeA'Baotobeabletoliveinthewildagain?

33.HowcanthescientistsknowaboutA'Bao'severydaylife?

34.WhatdidthescientistsdotohelpA'Baoreturntothewild?

35.What'sthemeaningofreturningA'Baotonature?

试卷第7页，共8页

H

DoyouknowDeathValley?It'sinCaliforniaandNevada,andit'sreallyspecial!Dcalh

ValleyisthehottestanddriestplaceinallofNorthAmerica.Althoughit'shardtolivethere,

DeathValleyisfulloflife.

It'snoteasytoliveinDeathValley.Ithardlyeverrains,justalittlebiteveryyear.Andit's

sohot.Insummer,itshighesttemperaturecanbeover46C.Thegroundismostlysandandrocks.

However,plantsandanimalsstilllivethere!Peoplehavefoundover1,000kindsofplants.

Andthereare51kindsofmammals（哺乳动物），36kindsofreptiles（爬行动物）,6kindsoffish,

andover300kindsofbirds!Someoftheseanimalsarebig,likesheepandmountainlions.

ThebiggestproblemforlivingthingsinDeathValleyiswater.Someplantsdevelopdeep

rootstotakeingroundwater.Kangaroorats（更格卢鼠）getwaterfromtheseeds（种子）ofother

plants.

It'sahardplace,butlotsoflivingthingsstillfindawaytomakeittheirhome.Isn'tDeath

Valleyamazing?

36.InallofNorthAmerica,whatisDeathValleylike?

37.What'sthehighesttemperatureinDeathValleyinsummer?

38.WhatisthegroundinDeathValleymostlymadeof?

39.What'sthebiggestproblemforlivingthingsinDeathValley?

40.WhaldoyouthinkofDeathValley?Why?

试卷第8页，共8页

I.Hisgrandparents.2.Hefelthappyandconfident.3.HethoughtitwaspartofChinese

cultureandacreationfromtheheart.4.Thinkcarefullyaboutwhathewantstoshow.

5.It'smainlyaboutthewriter'sexperienceoflearningChinesecalligraphy.

【导语】

本文主要讲述了作者对中国书法的热爱以及学习书法的经历，包括受谁影响开始学习、学习

过程中的感受、老师对书法的看法以及作者对书法学习的感悟等。

I.第二段提到“WhenIwasalittlechild,IlovedtowatchmygrandparentswriteChinese

characterswithinkbrushes：，表明作者小时候喜欢看祖父母用毛笔写汉字，由此可知是祖父

母让作者在早年对书法产生了兴趣，答案为原文直接信息。

2.第四段中"Iwashappyandbelievedthat1wastalented（有天赋的）inChinesecalligraphy.”表

明作者对自己在书法方面的进步感到高兴且自信，这是对原文具体内容的直接提取。

3.第五段中老师指出“ChinesecalligraphyispartofChineseculture.Besides...Chinese

calligraphyisacreationthatcomesfromtheheart.”，说明老师认为书法是中国文化的一部分,

也是来自内心的创作，答案直接来源于原文。

4.第五段中老师提到"Hesaidthatawritershouldthinkcarefullyaboutwhathewantstoshow

beforehestartstowrite.”，明确指出作者在开始书写前应该仔细思考想要表达的内容，这是

原文中的具体表述。

5.文章整体围绕作者学习书法的经历展开，从受祖父母影响开始对书法感兴趣，到参加书

法班学习，再到老师对书法的教导以及作者自己的感悟等，所以文章主要是关于作者学习书

法的经历，答案需对文章整体内容进行概括总结。

6.Toshow（hatacupuncturehasareallylonghistoryinChina.7.Shegotsomeacupuncture

treatment.8.Itstopstheirillnessfrombecomingworse.9.Thepopularityofacupuncture

allovertheworld.10.Ithinkitishopeful,becausemoreandmorepeoplefindacupuncture

useful.

【导语】本文主要讲述了针灸在中国悠久的历史及其在现彳迤学中的应用，包括治疗干眼症、阿

尔茨海默病以及在全球范围内的普及情况。

6.根据第1段“AccordingtoRecordsoftheGrandHistorian,writtenbySimaQianabout2,100

yearsago,BianQuewasfamousforsavingaprincefrom'death'byusingacupuncture.”可知，作

者提到扁鹊是为了说明针灸在中国有很长的历史，这是原文中的直接信息，可直接提取。

7.根据第2段“LiMing,a42-year-oldwoman,saidacupuncturereallyhelpedtreatherdry

答案第I页，共6页

eyes...in2()13.”可知，李明通过接受针灸治疗，持续一年半、超过130次就诊后，眼睛恢复

湿润，能够继续工作，这是原文中的直接信息，可直接提取。

8.第3段“LiuCunzhi,ateacherfromBeijingUniversityofChineseMedicine,isusing

acupuncturetotreatpeoplewithAlzheimer'sdisease.*Manyofthemcometometwiceaweekfor

sevenoreightyearstostoptheirillnessfrombecomingworse/hesaid.”可知，针灸帮助阿尔茨

海默病患者延缓病情恶化，他们每周来两次，持续七到八年，这是原文中的直接信息，可直

接提取。

9.第4段“Infact,acupunctureisthemostwidelyusedtraditionalmedicinepracticealloverthe

world.Between2002and2012,in(heUS,thenumberofpeoplegettingacupuncturetreatment

grewby50%andthenumberoflicensedacupuncturistsgrewby100%…”可知，最后一段主要讲

针灸在全球范围内的广泛使用和日益增长的受欢迎程度。

10.结合文中提到的“针灸治疗效果好、全球认可度提高”等信息，表达对其未来的看法并说

明理由即可，逻辑通顺即可。

11.Drinkingchickensoup.12.Becauseitrelaxesyou.13.Theyrubvinegarintotheskin.

14.Youcandrinksometea.15.Homeremediesforsomesimpleillnesses.

【导语】本文主要介绍了一些常见疾病对应的家庭疗法，包括感冒、头痛、发烧和喉咙痛等，说

明了这些家庭疗法的作用原理。

11.第二段明确提到"Manypeoplebelievethatchickensoupisanaturalandhealthycurefora

cold.Anditreallyhclps?\说明在很多国家，喝鸡汤是治疗感冒的自然疗法，答案直接从原

文提取。

12.第三段指出“Rubbingwiththeeggrelaxesyou.Often,headacheshappenbecauseofstress,so

relaxingisagreatidea/5,表明用煮鸡蛋揉搓能让人放松，而头痛常因压力引起，放松是个好

办法，所以用煮鸡蛋揉搓有助于缓解头痛是因为它能让人放松，答案依据原文内容总结得出，

13.第四段提到“InRussia,peoplerubitintotheskin(皮肤).Vinegarmakesyourskinfeelcooler,

anditcanhelpreduceyourbodytemperaturea说明俄罗斯人处理发烧的家庭疗法是将

醋擦到皮肤上，答案直接从原文获取。

14.最后一段提到“Youcanuseteafbrallkindsofsimplestomachachesandsorethroats.Some

ingredientsinteamakeasorethroatfeelbetterandhelpyourelax.”，说明如果喉咙痛可以喝些

茶，答案根据原文内容得出。

15.文章开篇指出一些常见疾病医生难以治愈，人们有时会使用不同的家庭疗法，接着分别

答案第2页，共6页

介绍了感冒、头痛、发烧和喉咙痛对应的家庭疗法，所以文章主要讲的是一些简单疾病的家

庭疗法，答案根据文章整体内容概括得出。

16.Ourselves.17.Becausetheyspendloomuchtimethinkingaboutthefuture.18.It

helpspeopleforgettheirproblemsandonlythinkabouttheactivities.19.Itmakesusfeel

good.20.Thesecretofhappiness.

【导语】本文主要探讨了如何获得幸福，阐述了幸福的来源，并给出了几个帮助人们变得更

快乐的建议。

16.文中提到“Aristotle,aGreekthinker,said,*Happinessdependsonourselves/Inotherwords,

wemakeourownhappiness."，这表明根据亚里士多德的观点，幸福源于我们自己，答案是对

原文信息的直接提取。

17.文中指出“Toooften,wcspendtoomuchtimethinkingaboutthefliturc,fbrexample,getting

intocollegeorgettingagoodjob.sowefailtoenjoythepresent.说明人们有时错过当下快乐

是因为花太多时间思考未来，答案是对原文内容的合理概括。

18.文中表明“Manypeopledodancingorplaysports.Peoplecanforgetabouttheirproblems

andonlythinkabouttheactivities.,\说明活跃能帮助人们忘记问题，只关注活动，从而让人

更快乐，答案是对原文相关内容的准确提炼。

19.文中提至『'Studiesshowthatpeoplefeelgoodwhentheyspendtheirtimehelpingothers.”，

说明帮助他人能让我们感觉良好，答案是对原文这•关健信息的直接引用。

20.文章开篇提出很少人知道如何找到幸福，接着给出了一些帮助人们更快乐的建议，整

体围绕幸福的秘诀展开，答案是对文章主旨的准确概括.

21.Physical/hormonechanges.22.Becauseshefelt/thoughthermotherwantedtocontrol

her.23.Recognizetheiremotions.24.Theyshouldn'tthink/shouldavoidthinkingtoomuch

aboutit.25.Tohelpteensunderstandandmanagetheireirotions.

【导语】本文主要探讨了青少年情绪多变的原因，并给出了专家对于青少年如何应对情绪问

题的建议，旨在帮助青少年理解和掌控自己的情绪。

21.第一段明确提至『'Expertssayphysicalchangesduringtheteenageyearsplayabigrole.As

bodiesgrowandbrainsdevelop,hormoneschangequickly.Thatcancauseemotionalupsand

downs.”，说明身体变化和激素变化是青少年情绪变化的原因，所以答案是“Physical/hormone

changes."，是对原文信息的提炼概括。

22.第二段中Lily说“Iknewshewasworriedaboutmecatchingacold,but1feltshewantedto

答案第3页，共6页

controlme-,这表明Lily和她妈妈争吵是因为她觉得妈妈想控制她，答案“Becauseshe

felt/thoughthermotherwantedtocontrolher.”是直接从原文提取关键信息并整理得出的。

23.第三段指出“Experlssuggestthatrecognizing（识别）theiremotionsisthefirststepto

managingthcm.,\明确说明了专家建议青少年应对情绪首先要做的就是识别他们的情绪，答

案"Recognizetheiremotions.”是原文的直接表述。

24.第四段提到“Anotherhelpfultipistoavoidthinkingtoomuchaboutthepast.”,说明青少年

对待过去不应该想太多，答案"Theyshouldn'tthink/shouldavoidthinkingtoomuchaboutit."是

对原文的同义转述。

25.文章先阐述青少年情绪多变的原因，接着给出专家应对情绪问题的建议，整体围绕帮

助青少年理解和应对情绪展开,所以作者写这篇文章的主要目的是帮助青少年理解和掌控他

们的情绪»答案"Tohelpteensunderstandandmanagetheiremotions.”是对文章主旨的概括。

26.Aslowas-30°F.27.In1909.28.Verycoldtemperatures,suddenstorms,hunger,

andthechangesofice.29.Becauseofthemovementoftheoceanwaterunderthe

ice./Becausetheoceanwaterundertheicemoves.30.TherealsituationintheNorthPole.

【导语】本文主要介绍了北极的真实情况，包括其气候、到达北极的历史、穿越北极的危险、冰层

变化的原因等。

26.第二段“Inwinter,temperaturesareusuallyaslowas-30°F.”可知，冬季北极的通常温度低

至零下30华氏度。所以答案是原文直接信息。

27.第三段“From1901to1906,RobertPearytriedthreetimestoreachtheNorthPole,buthe

didn'tmakeit.Itwasnotuntilthreeyearslaterthathefinallysucceededingettingtothis

environmentfulloftroublesandproblems.“可知，RobertPeary在1906年之后的三年，即1909

年到达北极，这是根据文中时间线索进行推理计算得出的结果。

28.第四段“Peoplewhostaytheremayfacemanyproblems:verycoldtemperatures,sudden

storms,andevenhunger.”以及第五段“Themovementoftheoceanwaterundertheicemaycause

manydifferentchangesontliesurface.Sometimestheicebreaksintotwoopeninglanes（道）of

watercalledbeads'.”可知，穿越北极步行非常危险是因为极寒的温度、突如其来的风暴、饥

饿以及冰层的变化，这是徐合文中不同段落关于北极危险因素的描述进行总结得出的答案。

29.第五段“Themovementoftheoceanwaterundertheicemaycausemanydifferentchangeson

（hesurface.Sometimestheicebreaksintotwoopeninglanes（道）ofwatercalled'leads'.”可知，

北极的冰裂成水道是因为冰下海水的运动，这是直接从文中找到相关句子提取关键信息得到

答案第4页，共6页

的答案。

3