冀教版八年级下册英语Unit 2学情调研测试卷（含答案）

第第页冀教版八年级下册英语Unit2学情调研测试卷(总分120分,考试时间120分钟)第一部分听力(共四节,满分30分)第一节听句子,选择最佳答语(共5题;每题1分,满分5分)1.A.You’reright. B.Idon’tthinkso.C.I’mgladtohearthat.2.A.He’sgoingonvacation.B.Volunteeringishisdream.C.Hewantstobeanengineer.3.A.Sixmonths. B.Dogs.C.Atschool.4.A.Goodidea. B.You’rewelcome.C.Haveagoodtime.5.A.Canyouhelpme? B.WhatcanIdoforyou?C.What’sthematter?第二节听对话和问题,选择正确答案(共13题;每题1分,满分13分)6.Whatwilltheboygivethekids?A. B. C.7.HowdoesWalterhelphisfather?A. B. C.8.WherewillthespeakersgothisSaturday?A.Tothechildren’shospital.B.Totheschoolofthedisabled.C.Totheoldpeople’shome.9.WhattimemustSallycometoschoolthisSaturdaymorning?A.At7:00. B.At7:30. C.At8:00.10.WhichclubdidTonygivemoneytothisMonday?A.TheEnvironmentProtectionClub.B.TheAnimalClub.C.TheSportsClub.11.HowmuchmoneydidJackgivetotheSportsClub?A.Onehundredyuan. B.Fortyyuan.C.Twentyyuan.12.WhatclubdoesBobjoin?A.Musicclub. B.Volunteers’club.C.Sportsclub.13.WhenwillBobdothevolunteerwork?A.OnFriday. B.OnSaturday.C.OnSunday.14.WhatwillBob’sbrotherprobablydoforvolunteerwork?A.Cleanthecitystreets.B.Giveoutfoodatthefoodbank.C.Cheerupthechildreninthehospital.15.Johntakessomeexerciseeveryday,doesn’the?A.No,hedoesn’t.B.Yes,hedoes.C.Wedon’tknow.16.WhatdoweknowaboutJohn?A.Henevereatslunchatnoon.B.Heisfatterthanbefore.C.Hehasbeenabroadforalongtime.17.HowlongdoesJohnworkeveryday?A.Forfivehours. B.Foreighthours.C.Forlonghours.18.Whatdoesthewomansuggestintheend?A.Eatinglessfood. B.WatchingTV.C.Goingforawalk.第三节听短文和问题,选择正确答案(共7题;每题1分,满分7分)19.WheredidMissYangwork?A.Inaschool. B.Inarestaurant.C.Inahospital.20.WhatdidMissYangworkas?A.Adoctor. B.Avolunteer.C.Ateacher.21.HowdidMissYangfeelwhensheworked?A.Sad. B.Happy. C.Worried.22.Whydoestheschooloffermanyinterestingactivities?A.Tohelpthestudentskeephealthy.B.Tokeepthestudentsfromfeelingbored.C.TohelpkidslearnEnglish.23.Whatactivitiesdoesthewriterlikebest?A.Thesportsmeeting.B.TheEnglishCorner.C.GoingtotheOld’sHouse.24.WhodoesthewritergototheOld’sHousewith?A.Herheadteacher. B.Herfriends.C.Herclassmates.25.WhatdoesthewritergototheOld’sHousetodo?A.Towashclothes. B.Tosing.C.Tocheertheoldup.第四节听短文填空(共5题;每题1分,满分5分)InformationSheetMaybetheylosttheir26.duringtheearthquake.

Thespeakerwillworkasa27.tohelpthosefriends.

Thespeakerasksthosefriendstoforgetthose28..

Thefriendsshouldstudyhardandtrytheirbestto29..

Thespeakerasksthefriendsto30.theirlife.

第二部分语言运用(共两节,满分25分)第一节完形填空(共10题;每题1分,满分10分)阅读下面短文,从每题所给的A、B、C、D四个选项中选出最佳选项。Weknowthattreesareusefulinoureverydaylives,andthey31usmanythings,suchaswood,oxygen,rubber,medicinesandmanyotherthings.Theycan32tellusalotaboutourclimate(气候).Thefollowingarethereasons.

Ifyou33atree,youcanseethatithasmanyrings.Mosttreesgrowonenewring34year.Becauseofthisreason,weknow35atreeis.Atreeoverahundredyearsoldmeansthatithasmorethanahundred36.Whentheclimateisdryandcold,thetreesdonotgrowwellandtheirringsareusually37.Whenitiswetandwarm,theringsaremuchthicker.Iftheringsaresuddenlyverythinorsuddenlyverythick,thismeansthatthe38changessuddenly.Ifwelookattheringsonthetree,wecan39abouttheclimateforahundredyears.Wecansee40ourclimateischangingtoday.

31.A.tell B.ask C.give D.want32.A.too B.to C.also D.yet33.A.cutdown B.climbup C.lookat D.lookfor34.A.every B.many C.few D.some35.A.howbig B.howlong C.howold D.howsmall36.A.trees B.leaves C.rings D.plants37.A.big B.small C.thin D.large38.A.climate B.wood C.oxygen D.weather39.A.teach B.learn C.study D.do40.A.what B.why C.when D.how第二节短文填空(共15题;每题1分,满分15分)阅读下面短文,在空白处填入一个适当的单词或用括号内单词的正确形式填空。Doyoubelievearoseplantsays“Iwantsomewater”oratreeshouts“Myarmshurt”?Maybeyou41.(say)thiscouldonlyhappeninsome42.(story).

43.fact,plantsarenotalwayssilent.Arecentstudyhasfoundthatplantscanexpresswhentheyareinneedofwaterorhavingtheirstemscut.They44.(do)thisbyshouting.“Eveninaquietfield,there45.(be)actuallysomesoundsthatcarryinformation.However,thepitch(音高)istoohighforpeopletohear,”saidLilachHadany,the46.(lead)ofateam.

Theresearchersusedmicrophones47.(record)sometomatoplantsandfoundthatstressedplantssendout48.(many)soundsthanunstressedplants.“Whentomatoesarenotstressed49.all,theyareveryquiet,”ProfessorHadanysaid.Theyalsotrainedamachinein50.(tell)thedifferencesbetweenthirstyplantsandcutplants.51.resultshowsthatwhenthecausesofstresschange,theyshout52.(different).Aftertheteamrecordedmanykindsofotherplants,theyfoundthatmanyplantslikecorn,wheat53.grapeplantssendoutsoundswhentheyareunderstress,too.

Soundrecordingsofplantsare54.(value).Theycouldbring55.(human)lotsofadvantages,especiallyinfarming.

第三部分阅读(共两节,满分40分)第一节阅读理解(共15题;每题2分,满分30分)阅读下列短文,从每题所给的A、B、C、D四个选项中选出最佳选项。AWelcometoourschoolfarm!I’mPotato.Drymeinthesunfor2hours.Plantmeabout20cmdeepintheground.UsethesoilinNo.6box.Thebesttemperatureisbetween15℃and20℃.After2or3weeks,apotatoplantwillrise

outoftheground.Thepotatoplantwillflower.Whentheflowersdie,carefullydigupthepotatoplant.Thenyou’llhaveyourownpotatoes.56.Whatdoestheunderlinedword“me”referto?A.Thepotatoflower. B.Thepotatoplant.C.Thesoil. D.Thepotato.57.Howdeepdoweplantpotatoesintheground?A.20cm. B.2hours.C.20m. D.2or3weeks.58.Whencanwedigupthepotatoplant?A.Whenthesoiliswet.B.Whenthetemperatureisbetween15℃and20℃.C.Whentheflowersdie.D.Whenyouseetheflowers.BDoyoulovesunflowers?Thisarticlewillwalkyouthroughhowtoplantyoursunflowerseedsandcareforthem.Startitwiththebesttemperatures:18~33℃.Part1Germinating(使发芽)SunflowerSeeds1.Chooseonekindyoulike.2.Puttheseedsinaplasticbag.Covertheseedswithwetpapertowels.Puttheminplasticbags.Oncetheseedsgerminate,plantthem.Part2▲

1.Chooseasunnyplace.Sunflowersgrowbestwithsixtoeighthoursofsunlightaday.2.Planttheseedsinholes.Plantseeds2.5cmdeepand15cmapart.Covertheseedswithsoilafterplanting.Part3CaringforSunflowerPlants1.Waterplantsweekly.Waterplantsonceaweek.2.Harvesttheseeds.Sunflowersusuallytake80to120daystomature(成熟)andproducenewseeds.Tips:◆Protecttheyoungplantsfrompests(害虫).Coverthegroundwithnets.◆Supportplantsover90cmwithsticks.59.(新考法词句还原题)Whichofthefollowingcanyouputin“▲”?

A.PlantingSunflowerSeedsB.ChoosingGoodSeedsC.WateringSunflowerPlantsD.CheckingtheTemperature60.IfyouplantyourseedsinApril,youmayharvestin▲.

A.January B.MayC.July D.November61.Whereisthearticleprobablyfrom?A.Anoticeboard.B.Atravelguide.C.Aplantingdiary.D.Agardeningmagazine.C(2024沧州南皮期中)Therearemanykindsofplantsintheworld.NowI’lltellyoutwokindsofthem.Theyareveryspecialandtheyarequitedifferentfromotherplants.Rafflesiaarnoldii(大王花)PeoplediscoveredthisflowerinSumatrain1818,anditisconsideredtobethelargestflowerintheworld.Itcangrowuptoonemetreindiameter(直径),andweighasmuchas11kg.ThoughRafflesiaarnoldiiisalargeflower,itisverydifficulttofind.Ittakes9to21monthsfortheplanttodevelop,butitsflowerlastsforonlyfivedays.Theflowercanreachupto6metrestalland4.8metreswide,butitsmellsawful.DancingplantHaveyoueverwatchedaplantmoveallbyitself?Thedancingplantactuallymovesitsleaves.Itcangrowupto2metreshigh.Theperiod(时期)ofitsmovementsisfrom3to5minutes,andwhenalloftheleavesmove,itbringsaverycoolwind.TheplantlivesinAsia.PeoplecanalsofinditintheSouthPacific.Itisverywonderful.ThisplantisfamousforbeingafavouriteofCharlesDarwin,anditisimportantinhisbookThePowerofMovementinPlants.62.WhatcanweknowaboutRafflesiaarnoldii?A.Itisabout20metreswide.B.Peoplediscovereditin1922.C.Itsflowerlastsfor9to21months.D.Itisthelargestflowerintheworld.63.HowdoesRafflesiaarnoldiismell?A.Wonderful. B.Terrible.C.Sweet. D.Fresh.64.Wherecanwefinddancingplants?A.InSumatra. B.IntheNorthPacific.C.InAsia. D.InEurope.65.Inwhichpartofamagazinecanwefindthistext?A.AmazingNature. B.ExcitingSports.C.ColourfulCultures. D.InterestingPlaces.D(2024遂宁改编)①Plantshaveroots,leaves,andflowers.Theyhaveseeds,too.Newplantsgrowfromseeds.Someseedsfallontheground.Newplantsgrownexttotheoldplants.Whenplantsgrowthisway,theyaretoocrowdedtogetenoughsunshineandwater.Sosomeofthemdie.Butsomeplantsspreadtheirseedsevenfarfromwheretheylive.Theseseedsgrowinnewplaces.Therearemanywaysoftheseeds’travel.②Thewindhelpsseedstotravel.Someplantseedshavelittlewings.Whenthewindblows,theseedsflyaway.Soontheyfalltothegroundandnewplantsmaygrowthere.Someplantsdryup.Thewindpullsthemfromtheground,buttheyaresobigthattheycan’tfly.Theyrollalongtheground,droppingofftheirseeds.③Otherplantsgrownearthewater.Theirseedsdropintothewaterandgoawaywithit.Theymaytravelmanymilesbeforetheystop.④Someseedshavespecialpartscalled“stickers”.Thestickershelptheseedstravelfar.How?Theseseedswaitforananimaltowalkby.Thentheystickintoitsfurtogetafreeride.Sometimesit’salongtrip.Birdscarrysomeplantseedstonewplaces,too.⑤Seedscan’twalk.Theycan’trun.Buttheycantravelwiththehelpofwind,waterandanimals.66.Whatwillhappenifnewplantsarecrowded?A.Someofthemwilltravel.B.Someofthemwilldie.C.Someofthemcangrowtaller.D.Someofthemcanlivebetter.67.Whatdoestheunderlinedword“stick”mean?A.Write. B.Turn. C.Glue. D.Fly.68.Whatcanhelptheseedstotravelaccordingtothetext?A.Leaves,rootsandflowers.B.Birds,stickersandwings.C.Wind,waterandotherplants.D.Animals,waterandwind.69.Whichcanbethebesttitleforthepassage?A.TheGrowthofthePlantsB.TheKindsoftheSeedsC.ThePartsofthePlantsD.TheTraveloftheSeeds70.What’sthestructureofthepassage? A B C D第二节(2024保定期末)阅读表达(共5题;每题2分,满分10分)阅读下面短文,简略回答问题。Wouldyouliketogrowchilies(辣椒)inyourgarden?Theyneedawarmclimate.Ifyouplanttheseedsoutsideandtheweatheriscold,placeaglassoverthem.Thatwillprotectthemfromwindandcoldandletthemenjoyenoughsunshine.Youcanalsostarttheseedsinyourhomeoragreenhouse.Ifyouplantchiliesinside,fillan8cmpotwithsoil.Thepotshouldhaveholesatthebottomsowatercanrunout.Dropsomeseedsinthepotandcoverwithsomesoil.Thencoverthetopofthepotwithasee-throughplastic(塑料的)bag.Ifthechiliesstartgrowing,takeoffthebag.Iftheplantsareabout2cmhigh,placeeachoneinitsown8cmpot.Ifyoucanseetherootsfromthebottomofthepot,transplant(移栽)eachplantintoa12cmpot.Ifthefirstflowersshow,givetheplantssomefertilizer(肥料).Whentheweatheriswarm,putthemintobigpotsandplacethemoutside.71.Whatcanaglasshelptheseedsdo?

72.Whydoesthebottomofthepotneedholes?

73.Whatshouldwedowhentheplantsgrowto2cmhigh?

74.Whatshouldwedowhenweseetherootsfromthebottomofthepot?

75.Doyouwanttogrowchiliesinyourgarden?Whyorwhynot?

第四部分情景交际(满分10分)补全对话(共5题;每题2分,满分10分)根据下面的对话情景,在空白处填入一个适当的句子,使对话的意思连贯、完整。A:Morning,Nick.Whatareyougoingtodotomorrow?B:Ihavenoplansyet.76.

A:IwillgotoBeishanParktoplanttrees.B:77.It’sgoodforourcityenvironment.

A:Yes.Themoretrees,thefreshertheairwillbe.B:Yeah!78.

A:MyteacherMs.Jonesandmyclassmates.79.

B:Sure,I’dloveto.80.

A:Inourclassroom.Youmustgettherebeforeeight.B:OK,seeyouthen.第五部分写作(满分15分)书面表达81.同学们,大家都知道植物对我们人类、动物以及周围环境都非常重要。假定你叫李华,请你根据以下思维导图的提示,以“TheImportanceofPlants”为题,从三个方面谈论一下植物的重要性,呼吁大家要爱护花草树木。要求:1.参考提示内容,可适当发挥;2.语句通顺,意思连贯,书写工整;3.文中不得出现你的任何真实信息;4.词数80左右(开头已给出,不计入总词数)。TheImportanceofPlantsWeallknow,plantsareveryimportantforourhumans,animalsandtheenvironmentwherewelive.Now,letmeintroducetheimportanceofplantstoyou.

【听力材料】第一节听句子,选择最佳答语下面你将听到五个句子,每个句子读两遍。请你听完句子的第二遍朗读后,从每题所给出的A、B、C三个选项中,选出该句的最佳答语。No.1.Everyoneisgoingtobeoldoneday.No.2.WhatdoesAlansayaboutvolunteer-ing?No.3.Whatanimalscanwetraintohelppeople?No.4.Let’slearnmoreabouthowtocareforanimals.No.5.Whatcanyousayifyouwanttoofferhelp?第二节听对话和问题,选择正确答案下面你将听到六组对话和十三个问题,每组对话和问题读两遍。请你听完对话和问题的第二遍朗读后,根据所听内容,从每题所给出的A、B、C三个选项中,选出正确答案。请听第一组对话,回答第6题。W:I’dliketojointheschoolvolunteerproject.Iwillcleanupthezoo.Whataboutyou?M:I’dliketofixupbikesandgivethemawaytokidswhoneedthem.QuestionNo.6.Whatwilltheboygivethekids?请听第二组对话,回答第7题。W:Whatdoyoudotohelpwiththehousework,Walter?M:IsometimesgoshoppingwithMom.AlsoIalwayswashDad’scar.QuestionNo.7.HowdoesWalterhelphisfather?请听第三组对话,回答第8、9题。W:Mr.Lee,willwevolunteerinthechildren’shospitalagainthisSaturday?M:No,Sally.Thistime,we’llgototheoldpeople’shome.W:Oh!That’sgreat!Whenwillwestart?M:Pleasecometoschoolat7:30inthemorning.W:OK.Whereistheoldpeople’shome?M:It’snearourschool.Thewholeclasswillgotheretogether.QuestionNo.8.WherewillthespeakersgothisSaturday?QuestionNo.9.WhattimemustSallycometoschoolthisSaturdaymorning?请听第四组对话,回答第10、11题。W:Hi,Tony.Howoftendoyougetpocketmoneyfromyourparents?M:Usuallyonceaweek.W:Thenhowmuchdoyouusuallyget?M:Aboutonehundredyuan.Why?W:Youknow,ourAnimalClubplanstobuysomefoodforthehomelessanimals.Wouldyouliketogivesomemoney?M:I’dloveto.ButIjustgavetwentyyuantotheEnvironmentProtectionClubthisMonday.AndIdon’thavemuchmoneynow.W:That’sOK.Iwillasksomeoneelse.M:WhynotaskJack?Heusuallyhasmuchpocketmoney.LastmonthhegavefortyyuantotheSportsClub.W:That’sagoodidea.QuestionNo.10.WhichclubdidTonygivemoneytothisMonday?QuestionNo.11.HowmuchmoneydidJackgivetotheSportsClub?请听第五组对话,回答第12~14题。W:Welcometojoinvolunteers’club,Bob!M:Thankyou.I’dliketodosomevolunteerworkthisweekend,butIdon’tliketoworkoutside.W:OK.YoucouldgiveoutfoodatthefoodbankonSaturdayorgotocheerupthesickchildreninthehospitalonSunday.M:Oh,I’mgoodwithchildren.Iwillgotothehospital.Err...mybrotherwantstobeavolunteer,too.Andhelikestoworkoutside.W:Whydoesn’thegotocleanthecitystreetsonFridayafternoon?M:Thatsoundsgood.QuestionNo.12.WhatclubdoesBobjoin?QuestionNo.13.WhenwillBobdothevolunteerwork?QuestionNo.14.WhatwillBob’sbrotherprobablydoforvolunteerwork?请听第六组对话,回答第15~18题。W:Hi,John.Ihaven’tseenyouforalongtime.Haven’tyoubeenabroad?M:No,Ihaven’t.I’vebeenworkinginmycompany.W:Ithinkyou’refatterthanbefore.M:That’sright.I’mtoobusytotakeanyexercise.W:That’sjustanexcuse.Youcanalwaysfindsometimetoexercise.M:ButIworkhardalldayforlonghours.Ioftenhavenotimeforlunch.W:Ithinknoteatingmealscan’thelpyouloseweight.Instead,youwilleatmoreintheevening.M:Iknowyou’reright,butwhatcanIdo?W:HowaboutgoingforawalkinsteadofwatchingTVonthesofaeveryevening?M:Butthat’stooboring.W:WhynottakeanMP4withyou?Youcanenjoythemusicandgethealthyatthesametime.M:That’sagoodidea.QuestionNo.15.Johntakessomeexerciseeveryday,doesn’the?QuestionNo.16.WhatdoweknowaboutJohn?QuestionNo.17.HowlongdoesJohnworkeveryday?QuestionNo.18.Whatdoesthewomansuggestintheend?第三节听短文和问题,选择正确答案下面你将听到两篇短文和七个问题,每篇短文和问题读两遍。请你听完短文和问题的第二遍朗读后,根据所听内容,从每题所给出的A、B、C三个选项中,选出正确答案。请听第一篇短文,回答第19~21题。MissYanghasn’tbeenhereformanyyears.Shewenttoanothercity.Sheworkedasavolunteerinahospital.Sometimesshecheeredupthesickkids;sometimesshehandedoutnewspaperstopatients;sometimesshelookedaftertheoldpeoplewhohadnochildren.Shefeltveryhappybecauseshefeltgoodwhenshehelpedotherpeople.Shespenttimedoingwhatshelovedtodo.QuestionNo.19.WheredidMissYangwork?QuestionNo.20.WhatdidMissYangworkas?QuestionNo.21.HowdidMissYangfeelwhensheworked?请听第二篇短文,回答第22~25题。Ourschoolmanagestoofferusmanyinterestingactivitiestokeepusfromfeelingbored.Ilikethesportsmeetingbest.IalsooftengototheEnglishCornertoimprovemyspokenEnglish.Afterschool,ourheadteacheroftenencouragesustodomuchusefulvolunteerwork.Sometimesonweekends,IgototheOld’sHousewithmyclassmatestocheeruptheold.Wefeelveryhappy.Ihavemanygoodfriends.Usuallywestudytogetherandhelpeachother.Ilearnalotfromthem.Iwillneverforgetmycolorfulschoollife.QuestionNo.22.Whydoestheschooloffermanyinterestingactivities?QuestionNo.23.Whatactivitiesdoesthewriterlikebest?QuestionNo.24.WhodoesthewritergototheOld’sHousewith?QuestionNo.25.WhatdoesthewritergototheOld’sHousetodo?第四节听短文填空下面你将听到一篇短文,短文读两遍。请你听完短文的第二遍朗读后,根据短文内容和提示,在信息表中相应的横线上填入所缺信息。Mydearfriends,I’mverysorrytohearthatthebiggestearthquakehappenedinyourhometown.Maybeyoulostmanyclassmatesandteachers.Pleasedon’tbeafraid.Iwillworkasavolunteertohelpyou.Ithinkbeingavolunteerisgreat!Let’scheerup.Learntoforgetthosesadthings.Studyhardandtryyourbesttomakeprogress.I’msurethatourfuturewillbemorebeautiful.Enjoyyourlife,myfriends.Yours,ZhangLing听力部分到此结束。

【详解答案】1~5ABBAB6~10ACCBA11~15BBCAA16~20BCCCB21~25BBACC26.classmatesandteachers27.volunteer28.sadthings29.makeprogress30.enjoy【语篇解读】本文介绍了树木的年轮能告诉我们一些关于气候的信息。31.C解析:句意:我们知道树木在我们的日常生活中很有用,它们给我们提供很多东西,比如木材、氧气、橡胶、药物和许多其他东西。tell告诉;ask询问;give给;want想要。根据“Weknowthattreesareusefulinoureverydaylives”可知,树木是非常有用的,因此此处表示它们给我们提供很多东西,givesb.sth.“给某人(提供)某物”。故选C。32.C解析:句意:它们也可以告诉我们很多关于气候的信息。too太;to向;also也;yet然而。前文提到树木给我们提供很多东西,此处介绍它们另外的用途。位于句中,表示“也”,用副词also。故选C。33.A解析:句意:如果你砍下一棵树,你可以看见它有很多年轮。cutdown砍下;climbup爬上;lookat看;lookfor寻找。根据“youcanseethatithasmanyrings”可知,要看到树木的年轮,应把它砍下来。故选A。34.A解析:句意:大多数树木每年长出一个新的年轮。every每个;many许多;few很少的;some一些。根据“Atreeoverahundredyearsoldmeansthatithasmorethanahundred…”可知,一棵超过一百年的树意味着它有一百多个年轮。因此树木每年长出一个新的年轮。故选A。35.C解析:句意:因为这个原因,我们知道一棵树的年龄。howbig多大;howlong多长时间;howold多大年龄;howsmall多小。根据“Mosttreesgrowonenewring…year.”可知,树木每年长出一个新的年轮,因此根据年轮可以知道树的年龄。故选C。36.C解析:句意:一棵超过一百年的树意味着它有一百多个年轮。trees树木;leaves树叶;rings圆圈,年轮;plants植物。根据“Mosttreesgrowonenewring…year.”可知,树木每年长出一个新的年轮,因此超过一百年的树有一百多个年轮。故选C。37.C解析:句意:当气候干燥和寒冷时,树木不能很好地生长,它们的年轮通常很薄。big大的;small小的;thin瘦的,薄的;large大的。根据“Whenitiswetandwarm,theringsaremuchthicker.”可知,当天气潮湿和温暖时,年轮要厚得多,因此气候干燥和寒冷时,树木的年轮会很薄。故选C。38.A解析:句意:如果年轮突然变薄或突然变厚,这意味着气候突然发生了变化。climate气候;wood木头;oxygen氧气;weather天气。根据上文可知,年轮的薄厚对应着气候的变化。故选A。39.B解析:句意:如果我们看看树上的年轮,我们就能了解一百年来的气候。teach教;learn学习;study学习;do做。根据上文可知,通过观察树的年轮,我们能了解气候的变化。learnabout“了解”。故选B。40.D解析:句意:我们可以看到今天的气候是如何变化的。what什么;why为什么;when何时;how如何。根据句意可知,how符合语境。故选D。41.willsay42.stories43.In44.do45.are46.leader47.torecord48.more49.at50.telling51.The52.differently53.and54.valuable55.humansA【语篇解读】本文以第一人称介绍了种植土豆的过程。56.D解析:代词指代题。根据“I’mPotato.”可知,me指土豆。故选D。57.A解析:细节理解题。根据“Plantmeabout20cmdeepintheground.”可知,要把土豆种在地里20厘米深的地方。故选A。58.C解析:细节理解题。根据“Whentheflowersdie,carefullydigupthepotatoplant.”可知,当花枯萎的时候,我们可以把土豆挖出来。故选C。B【语篇解读】本文讲述了如何种植向日葵种子以及照顾它们的过程。59.A解析:词句还原题。根据Part2下的内容可知,Part2应该是关于种植向日葵种子的。故选A。60.C解析:细节理解题。根据“Sun-flowersusuallytake80to120daystomature(成熟)