河南省南阳市唐河县2024届八下英语期末预测试题含答案

河南省南阳市唐河县2024届八下英语期末预测试题满分120分，时间90分钟一、单项选择（共10小题，满分20分）1、Ofalltheperformers,Ithinkheisthe________one.A.success B.mostsuccessfulC.moresuccessful D.successful2、—Diana,don’tjumptoanyconclusion,________whenyouareimpatient.—Don’tworry,Iwon’t.A.exactly B.especially C.closely D.usually3、Theweatherischangeablethesedays.Itrainyandcloudyinthepastfewdays.Ihopethattomorrowwillbeasunnyday.A.willbe B.is C.hasbeen D.was4、Itiscareless________youtomakesomanymistakes,soitisimportant_______ustomasterreadingskills.A.to;for B.of;for C.for;for D.of;of5、Ilikeeverythinginthiscity,________itsweather—neithertoohotnortoocold.A.finally B.actually C.especially D.simply6、—________doyougotoschooleveryday?—Iusuallygotoschoolbybike.A.How B.Howlong C.Howoften7、I________amoviewithmyfriendswhenyoucalledmelastnight.A.watch B.watched C.amwatching D.waswatching8、—YouwerenotinwhenIwenttoyouyesterday.—Oh,I________forafriendfromEnglandattheairportatthatmoment.A.waited B.waswaiting C.amwaiting D.havewaited9、Theelephants________tothezootomorrowafternoon.A.issent B.willsend C.willbesent D.send10、Moreforeignersarebecoming__________inChineseculture.A.interest B.interesting C.interested二、完形填空（10分）11、XiaoQiang,a2-year-oldChineseboy,hastoomanyactivities.Hisfather____1____himawayfromschoolfourafternoonsaweekanddriveshimacrosstowntopractice.“Idomostofmy____2____inthecarwhenweare____3____topractice,andIhavetodotherestwhenIgethome.Iamtootired,Ijustwanttosleep.”hesaid.“Moreandmorekidsbecomeunhappy____4____theyhavetoomanyactivitiestodo.”saidMr.Wang,anexpertofChildrenDevelopment.41%ofthechildrenaged9-3saidtheyfelt____5____mostofthetime,andmorethan75%ofthemsaidthattheywishedtheycouldspendmorefreetime____6____“Over-scheduling(过量的课程安排)isagrowingproblemforChinesefamilies.”saidMr.Wang.Itisnotgoodforbothkidsandtheirparents.Morefamilieseatdinner____7____orofteneatfastfood____8____theirwaytodrawingormusiclessons.Weallknowitisimportantforkidstolearnhowtorelax.Iftheydon’tlearnthatnow,itwillbemoredifficulttolearnwhentheyget____9____.Kidsneedtimetorelax.Parentsshould____10____aboutwhatisrightforkids.1.A.take B.takes C.took D.hastaken2.A.sports B.business C.homework D.housework3.A.riding B.flying C.walking D.driving4.A.but B.of C.because D.so5.A.excited B.interested C.worried D.dangerous6.A.toplay B.play C.played D.playing7.A.slowly B.quickly C.quietly D.happily8.A.on B.across C.in D.by9.A.taller B.better C.older D.stronger10.A.hear B.look C.think D.tell三、完成句子（共5小题，满分10分）12、wrong,Jack,what’s,with,___________________________________?13、been,they,have,married,for10years______________________________.14、Aftertherainstorm,fallentreesandb________windowswereeverywhere.15、CanIleavea________(口信)forTom?16、约翰不能总是依靠他的父母，他要试着独自去看病。Johncan’talways_________hisparents.Heshouldtryto________alone.四、阅读理解（40分）17、HaveyoueverheardoftheSilkRoad?Doyouknowwhatanimportantroleitplaysinthewholeworld?Didyouvisitanyfamousplacesalongtheroad?Althoughit’scalledtheSilkRoad,peopleboughtandsoldmuchmorethansilk.TheSilkRoadwentthroughAsia,theMiddleEast,NorthAfricaandEurope.Itwas6,500kmfromXi’antoRome.MydadisveryinterestedintheSilkRoadandhehastoldmemanythingsaboutit.Lastsummer,myfamilygotawayforaholidayandwenttosomeplacesontheroad.WestartedatLanzhouandwentontoWuwei.WuweiwasaveryimportantcityontheSilkRoad.Itconnected(连接)threemaincitiesinthearea.Inancienttimes,itwasalsoacapital.Althoughit’snowamoderncity,youcangetafeelingofhistorywhenyouvisitit.Wesawlotsofveryoldstonemonumentsandpeopletherewereveryproudoftheircity’slonghistory.ThenextstopwasJiayuguan.It’sontheedge(边缘)ofthedesert,andwasalsoanimportantplaceontheSilkRoad.Itwasabusycitywithalotofpeoplecomingandgoing.Eventoday,it’sacitythatmanybusinesspeopletravelthrough.AnimportantpartoftheGreatWallwasalsobuilthere.Afterthat,wewentontoYumenguan.IfirstfoundoutaboutYumenguaninthefamouspoemwrittenbyWangZhihuan.ItwasintheGobiDesertandwastheonlyconnectionbetweenCentralAsiaandChina.Iwonderhowpeopleevermadeitthroughthehotdesertsolongago.Thistripwasn’tjustascenic(观光的)journey.Ithelpedmeunderstandthehistoryoftheareaandseehowpeoplefromdifferentplacesinfluenced(影响)eachotherinmanyways.1.WhydoesthewriterusequestionsinParagraph1?A.Toaskforreaders’opinions. B.Tocatchreaders’interest.C.Togivesomerealexamples. D.Tooffersomehelpfuladvice.2.Whatcanwelearnfromthetext?A.Jiayuguanisabusycitybothintheancientandmoderntime.B.Thewriter’sfamilyvisitedfivefamouscitiesontheSilkRoad.C.Thewriter’smumtaughtthewritermanythingsabouttheroad.D.Thewriterthoughtancientpeoplecouldn’tgothroughthedesert.3.Whichofthefollowingbestshowsthestructureofthetext?A. B. C. D.4.Whatdoesthewriterthinkofthejourney?A.Boringandterrible B.Tiringbutexciting. C.Dangerousbutinteresting. D.Enjoyableandeducational.18、EarthisoftencalledtheBluePlanet.That’sbecauseaboutthree-fourthsoftheearthiscoveredbywater.Peoplethinkwearenotshortofwater.Infact,theyarewrong.Mostofthewaterissaltwater.Wecanfinditintheworld’soceans.Onlyabout3%isfreshwaterthatwecandrink.Althoughyoumightthinkthatmostofthefreshwaterontheearthisfoundinthelakesandrivers,infact,lessthan1%ofthefreshwatercanbefoundintheseplaces.Around70%oftheearth’sfreshwaterisiceinthepolar(极地的)places.Theyarefarfromus.Andthewaterthereistoughtotransport(运输).Thesecondgreatestsource(资源)offreshwaterontheearthisundertheground.Thiskindofwateriscalledgroundwater.Placesthatdon’thavefreshwaterfromriversandlakesdependongroundwaterfordrinkingandotheruses.Groundwateralsocan’tgetawayfrompollution.Chemicals(化学制品)thatareusedinfarmingandfactoriescangetintotheground.Theearthhaslittleusablewater.Luckily,eachofuscandosomethingtosavewater.Kidsandadultsaresavingwaterwiselyintheirowncommunities(社区).Ifweworktogether,wewillhaveabetterworld.1.Whatpercentageoftheearthiscoveredbywater?A.About25%. B.About75%. C.About43%. D.About85%.2.Whatdoestheunderlinedword“tough”inParagraph2mean?A.Dangerous B.Common. C.Difficult. D.Easy.3.Whichonecanleadtothepollutiontoundergroundwateraccordingtothepassage?A.Chemicals. B.Ice. C.Rubbish. D.Rain.4.WhichofthefollowingisTRUE?A.Peoplearenotshortofwater.B.Mostofthewaterinoceansisfreshwater.C.Wecanfindmostofthefreshwaterintheriversontheearth.D.About70%oftheearth’sfreshwaterisiceinthepolarplaces.5.Thepurpose(目的)ofthepassageisto________.A.tellthesituationoffreshwaterontheearth B.askpeopletosavewaterC.introducedifferentkindsofwaterontheearth D.talkaboutthepollutionontheearth19、Peter,a5-year-oldboy,showedsuchgreatinterestinseashells(贝壳)thathewouldruntopickthemupwithhis3-year-oldsister,Shirley.Forhim,seashellslayshiningonthepeacefulbeach,justlikestarstwinklinginthesky.Oneday,PeterwashangingoutinthemarketwithShirley,withsomeshellsinhispocket.SuddenlyPeterfoundhisyoungersisterfallingbehind.Hestoppedandlookedback,findingShirleywasstandinginfrontofatoyshopandwaslookingatsomethingwithgreatinterest.Theboywentbackandasked,“Whatdoyouwant?”Shirleypointedatthedollwithabigsmile.Walkingintotheshop,PetertriedtoreachforthedollandgaveittoShirley.Holdingthedoll,thesisterwasreallyhappy.Theshopkeeperwassurprisedtoseetheamazingbehavior(行为)oftheboy.Nowtheboycametohimandasked,“Howmuchdoesthisdollcost,sir?”Theshopkeeperaskedtheboykindly,“Well,whatcanyoupay?”Peterreachedintohisclothesformoneythatwasfortheirbreakfast.“Sir,isitenough?”Shakinghishead,theshopkeeperreplied,“I’mafraiditseemsnottobeenough.”HewonderedwhatPeterwoulddo.Afterawhile,Peterseemedtomakeuphismind.Hetookoutalltheshells.“Isitenoughnow?”“Thesearemorethanthecost.”Sayingso,theshopkeeperkeptonlytwoshellsandgavebacktheothersandthemoney.Whathappenedmadeanassistant(助手)inthatshopastonished.Heaskedtheshopkeeper,“Sir,youonlyaskedfor2shells?”Withasmile,theshopkeepersaid,“Forus,theseareshells,butfortheboy,theyaretreasures.Hisloveforhissisteristhemostimportant.”1.Peter’ssisterShirleystoppedbeforetheshopbecause________.A.shewastootiredtowalkonB.thedollintheshopinterestedherC.PeteraskedhertostaybehindD.shefoundsomeshellsontheroad2.Howmuchdidtheboypayforthedollatlast?A.Twoshells. B.Themoney.C.Alltheshellsinhisbag. D.Nothing.3.Theunderlinedword“astonished”inParagraph6probablymeans________.A.afraid B.surprise C.angry D.excited4.What’sthebesttitleforthepassage?A.AnimportantdollB.ThehappiestchildhoodC.AkindsisterD.Themosttruthfullove5.Wecanreadthepassageinthepartof________inamagazine.A.Culture B.Science C.Education D.Health20、KidsCanCook!Registration(报名)Time9amonJune17,SaturdayCampTuition(学费)LevelⅠcamp(studentsaged6to9):$200eachstudentLevelⅡcamp(studentsaged10to17):$150eachstudentLessonTimeJuly3rdto8th:8am—12pmJuly9th:8am—1pmJoinusatCookingCamp203!Whatstudentscando:☆Learnbasic(基本的)skills,andlearnaboutkitchensafetyandfamouscooks.☆Takepartinagroupactivityandworkwithotherstocooktheirfavoriterestaurantdisheswiththeirownmenu.Note:☆CamperswillreceiveacampT-shirtandacookingkit(成套工具).☆Wewillservebreakfasteveryday.☆Wearehappytoinvitefamilyandfriendstowatchandtastethestudents’creations(作品)onthelastday.Pleasee-mailyourregistrationformtocookingcamp@.Formoreinformation,pleasecall815-280-5088.1.Whenwillthecampbeopenforregistration?A.At8amonJune17. B.At9amonJune17.C.At8amonJuly3. D.At1pmonJuly9.2.LucyplanstotakepartintheLevelⅠcamp.Howoldissheprobably?A.Eight. B.Ten. C.Twelve. D.Fifteen.3.IfMrs.Greensendsher6-year-olddaughterand11-year-oldsontothecamp,sheneedstopay________.A.$50. B.$300. C.$350. D.$400.4.Studentscandoallthefollowingthingsexcept(除……外)________.A.meetingfamouscooks B.makingtheirownmenuC.learninghowtocooksafely D.sharingtheircookingwithfamily5.Whatdowelearnfromthereading?A.Threemealsadayareprovidedinthecamp. B.Studentsneedtobringtheirowncookingtools.C.Peoplecancall815-280-5088toregister(报名). D.Thecookingcourselasts(持续)foroneweek.五、补全对话（10分）21、根据下面的对话情景，在每个空白处填上一个适当的句子，使对话的意思连贯、完整。A:CanIhelpyou,madam?B:Yes,please.____1____.A:Wehavemanyskirts.Lookatthisoneonthemodel.Doyoulikeit?B:ThestyleisOK,butIdon’tlikethecolor.A:____2____?B:Ilikepink.A:Therearedifferentpinkskirtshere.B:Ilikethisskirt.____3____?A:Ofcourse.Thisway,please.Hereisthefittingroom(试衣间).(Afewminuteslater.)A:Wow!Youlooksobeautifulinthisskirt!It’sjustforyou.B:Yes,Ilikeit.____4____?A:500yuan.B:Isitacottononeorasilkone?A:____5____.B:Allright.I’lltakeit.Hereisthemoney.A:Thankyou.六、阅读表达（10分）22、请认真阅读下面短文，用英语回答短文后的问题，并将答案写在答题卡标有题号的横线上。OnabrightMarchafternoon,sometravelersmovedthroughthesnowalongBearskinLake.Therewerethreedadsandfourteens.Theteens,14to16yearsold,chattedandlaughed.Theyeachwerepullingasled（雪橇）whichwasfullofwintercampinggear（用具）.Theirdads—BobFeyen,JesseSchombergandKevinSkwira-Brown—alsopulledgear.Evenwhentheywereyoung,thechildrendidtheirshare.“Therules,fromthebeginning,werethateveryonehastopullasled.”KevinSkwira-Brownsaid.“Wewantthemtogrowupstrong.”Intheearlyyears,thechildrenpulledsmallsledswithjustsleepingbags.Now,theypullfull-sizesleds.For10yearsnow,thesedadsandsons/daughtershavebeenmakingthisjourneyeachwinter.“Bob,KevinandIhaddonethisonewinterwithourchildren.”Schombergsaid.“Thekidsthoughtitwasgreatfun,sowemadeitatradition（传统）.”Onthis32-degreeMarchafternoon,thegroupwasgoingtoDanielsLake.Theywouldcampthereforthreedays.TheyallstayedinSchomberg’stent.HannahFeyentoldastoryaboutatripwhenshewasyoung.“Wewerewalkingacrossastreamonetime,andIlostabootinit.Ishoutedtodadforhelp.Hejustshoutedback‘Youcandoit!’andIdid.”laughedHannah.BobFeyensaidtheyweretakingtheirchildrentothistripeveryMarch.Theywouldkeeponthetraditionuntiltheteensmovedawayforcollege.1.Howmanytimeshasthewintertripbeenheld?___________________________________________2.Whydidthedadswanttohavethetripwiththeirchildren?___________________________________________3.Ifyouhaveatask,wouldyouliketocompleteitbyyourselforwithothers’help?Why?___________________________________________七、书面表达（20分）你们班将在下周五举行线上英语日的活动，请你根据以下信息写一份活动计划并号召大家积极参与。注意：1.参考词汇：英语口语(spokenEnglish)；2.词数：80词左右（开头已给出，不计入词数）；3.不得透露学校、姓名等任何个人信息，否则不予评分。TherewillbeanonlineEnglishDaynextFriday._____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

参考答案一、单项选择（共10小题，满分20分）1、B【解析】【详解】句意：在所有的表演者中，我认为他是最成功的一个。考查形容词最高级。success名词，成功；mostsuccessful最成功的，最高级；moresuccessful更成功的，比较级；successful成功的，原级。根据比较范围“Ofalltheperformers”可知，此处是三者及以上相比较，应使用最高级。故选B。2、B【解析】【详解】句意：——戴安娜，不要急于下结论，尤其是当你感到不耐烦的时候。——别担心，我不会的。考查副词辨析。exactly精确地；especially尤其；closely密切地；usually通常。根据“don’tjumptoanyconclusion”及“whenyouareimpatient”可知，此处使用especially表“尤其”，其他句意不通。故选B。3、C【解析】【详解】句意：这些天天气多变，过去几天一直阴雨连绵。我希望明天是个阳光明媚的日子。考查现在完成时。根据时间状语“inthepastfewdays”可知，句子是现在完成时，即have/has+过去分词，且主语是第三人称单数，故选C。4、B【解析】【详解】句意：你犯这么多错误真是太粗心了，所以掌握阅读技巧对我们来说很重要。考查介词辨析。固定句型Itis+adj.+of/forsb.todosth.，forsb.常用于表示事物的特征特点，ofsb.一般表示人物的性格、品德。“careless”是形容词人的性格，应用of；“important”表示事物的特征特点，应用for。故选B。5、C【解析】【详解】句意：我喜欢这个城市的一切，尤其是它的天气——既不太热也不太冷。考查副词辨析。finally终于；actually事实上；especially尤其；simply简单地。根据“likeeverythinginthiscity...itsweather”可知尤其喜欢这个城市的天气，此处表示强调用especially。故选C。6、A【解析】【详解】句意：——你每天是怎么去上学的？——我通常骑自行车上学。考查特殊疑问句。how如何；howlong多长时间；howoften多久一次。根据“Iusuallygotoschoolbybike”可知此处询问交通方式，疑问词用how。故选A。7、D【解析】【详解】句意：昨晚你打电话给我的那个时候，我正和朋友一起看着电影。考查过去进行时。根据“I...amoviewithmyfriendswhenyoucalledmelastnight.”可知，句中when引导的时间状语从句为一般过去时，表示主句动作所发生的时间点，此时主句“I...amoviewithmyfriends”应用过去进行时，谓语结构是was/weredoing，所以空处应是waswatching。故选D。8、B【解析】【详解】句意：——昨天我去找你时，你不在家。——哦，我那是正在机场等一位来自英国的朋友。考查时态。根据“atthatmoment”可知，此处用过去进行时(was/weredoing)，故选B。9、C【解析】【详解】句意：明天下午大象将被送到动物园。考查一般将来时被动语态。根据“tomorrowafternoon”可知，此句用一般将来时。主语elephants与动词send之间是被动关系，故此处用一般将来时被动语态willbedone的结构，故选C。10、C【解析】【详解】句意：越来越多的外国人对中国文化感兴趣。考查词义辨析。interest兴趣，名词；interesting有趣的，修饰物；interested感兴趣的，修饰人。becomeinterestedin“对……感兴趣”，故选C。二、完形填空（10分）11、1.B2.C3.D4.C5.C6.D7.B8.A9.C10.C【解析】【导语】本文主要讲述了孩子们的功课越来越多，空闲时间越来越少，孩子们越来越不开心，他们需要时间放松，父母应该考虑下什么才是对孩子好的。【1题详解】句意：他爸爸每个星期有四个下午开车带他穿过城镇去练习。take带走，动词原形；takes三单；took过去式；hastaken完成时。由“Hisfather…himawayfromschoolfourafternoonsaweekanddrives…”可知，应用一般现在时，主语是hisfather，应用第三人称单数。故选B。【2题详解】句意：当我们开车去练习的时候，我把我的大部分作业都做了，当我回到家，我又做剩下的。sports运动；business商业；homework作业；housework家务。由“Hisfathertakeshimawayfromschool”可知，他是一名学生，应该是完成作业。故选C。【3题详解】句意：当我们开车去练习的时候，我把我的大部分作业都做了，当我回到家，我又做剩下的。riding骑；flying飞；walking走；driving开车。由“inthecar”可知，应该是在行驶的小车里。故选D。【4题详解】句意：越来越多的孩子变得不开心因为他们有太多的活动要做。but但是；of的；because因为；so因此。由“Moreandmorekidsbecomeunhappy…theyhavetoomanyactivitiestodo”可知，前后句存在因果关系。故选C。【5题详解】句意：百分之四十一的9到3岁的孩子们说他们大部分时间感觉很担忧，超过百分之七十五的人说他们希望能花更多的时间去玩。excited兴奋的；interested感兴趣的；worried发愁的；dangerous危险的。由“Moreandmorekidsbecomeunhappy”可知，孩子们活动增加，他们发愁、担忧、闷闷不乐。故选C。【6题详解】句意：百分之四十一的9到3岁的孩子们说他们大部分时间感觉很担忧，超过百分之七十五的人说他们希望能花更多的时间去玩。toplay动词不定式；play玩，动词原形；played过去式；playing动词ing。spendtimedoingsth.“花费时间做某事”，固定搭配。故选D。【7题详解】句意：更多的家庭快速吃晚餐和吃快餐在他们画画或音乐课的路上。slowly慢地；quickly快地；quietly安静地；happily快乐地。由“eat…orofteneatfastfood”可知，此处是说吃晚饭吃得快或吃快餐。故选B。【8题详解】句意：更多的家庭快速吃晚餐和吃快餐在他们画画或音乐课的路上。on在……上面；across穿过；in在……里面；by通过。onone’swayto.…“在去……的路上”，固定搭配。故选A。【9题详解】句意：如果他们现在不学，他们长大了学更困难。taller更高的；better更好的；older更老的；stronger更强壮的。由“Iftheydon’tlearnthatnow”可知，此处是说现在不学，当他们年纪更大一点就更困难了。故选C。【10题详解】句意：父母应该考虑什么才是对孩子最好的。hear听；look看；think思考；tell告诉。thinkabout“考虑”，固定搭配。故选C。三、完成句子（共5小题，满分10分）12、What’swrongwithJack【解析】【详解】根据题干所给表达并结合所给词汇，可知句子为what引导的特殊疑问句，What’swrongwithsb?为固定句型，意为“某人怎么了？”。故填What’swrongwithJack“杰克怎么了”。13、Theyhavebeenmarriedfor10years【解析】【详解】根据标点提示可知，本句是陈述句；分析所给单词，they作主语；havebeenmarried表示时间的延续；for10years时间状语，强调时长。故答案为Theyhavebeenmarriedfor10years“他们已经结婚10年了”。14、(b)roken【解析】【详解】句意：暴雨过后，倒下的树和破碎的玻璃到处都是。此空为形容词作定语修饰名词，broken表示“破碎的”。故填(b)roken。15、message【解析】【详解】句意：我可以给汤姆留个口信吗？leaveamessage意为“留个口信”，为固定用法，故填message。16、①.dependon②.gotohospital##gotoseeadoctor##gotothedoctor【解析】【详解】根据题干可知，dependon表示“依靠”，空前有情态动词can’t，此处应用动词原形；“去看病”可以用gotohospital或gotoseeadoctor或gotothedoctor来表示，trytodosth.“尝试做某事”，空前有to，空处用动词原形。故填dependon；gotohospital/gotoseeadoctor/gotothedoctor。四、阅读理解（40分）17、1.B2.A3.C4.D【解析】【导语】本文主要介绍了作者一家去了丝绸之路上的一些地方旅行。【1题详解】推理判断题。根据“HaveyoueverheardoftheSilkRoad?Doyouknowwhatanimportantroleitplaysinthewholeworld?Didyouvisitanyfamousplacesalongtheroad?”可知作者通过三个问题引起了读者的兴趣，吸引读者继续阅读下去。故选B。【2题详解】细节理解题。根据“Itwasabusycitywithalotofpeoplecomingandgoing.Eventoday,it’sacitythatmanybusinesspeopletravelthrough.”可知嘉峪关是一个繁忙的城市，有很多人来来往往，即使在今天，这也是一个许多商务人士旅行的城市。故选A。【3题详解】篇章结构题。通读全文可知，第一段介绍了丝绸之路，引出了本文的话题；第二至第五段详细介绍了作者一家的旅行；第六段介绍了从这次旅行中学到了什么。选项C符合文章的结构。故选C。【4题详解】细节理解题。根据“Thistripwasn’tjustascenic(观光的)journey.Ithelpedmeunderstandthehistoryoftheareaandseehowpeoplefromdifferentplacesinfluenced(影响)eachotherinmanyways.”可知作者认为这次旅行不仅仅是一次风景优美的旅行，它帮助作者了解了该地区的历史，并了解了来自不同地方的人们如何在许多方面相互影响，可见他认为这次旅行是愉快的和有教育意义的。故选D。18、1.B2.C3.A4.D5.B【解析】【导语】本文主要讲述了地球上的淡水来源以及呼吁大家节约用水。【1题详解】细节理解题。根据“That’sbecauseaboutthree-fourthsoftheearthiscoveredbywater.”可知地球的四分之三被水覆盖，也就是75%，故选B。【2题详解】词义猜测题。根据“Around70%oftheearth’sfreshwaterisiceinthepolar(极地的)places.Theyarefarfromus.”可知地球上大约70%的淡水是极地地区的冰，离我们很远，所以很难运输，tough和difficult同义，故选C。【3题详解】细节理解题。根据“Groundwateralsocan’tgetawayfrompollution.Chemicals(化学制品)thatareusedinfarmingandfactoriescangetintotheground.”可知化学制品可以污染地下水，故选A。【4题详解】细节理解题。根据“Around70%oftheearth’sfreshwaterisiceinthepolar(极地的)places.Theyarefarfromus.”可知地球上大约70%的淡水是极地地区的冰。故选D。【5题详解】主旨大意题。根据“Theearthhaslittleusablewater.Luckily,eachofuscandosomethingtosavewater.Kidsandadultsaresavingwaterwiselyintheirowncommunities(社区).Ifweworktogether,wewillhaveabetterworld.”（地球上几乎没有可用的水。幸运的是，我们每个人都可以做一些事情来节约用水。在他们自己的社区里，孩子和成年人都在明智地节约用水。如果我们共同努力，我们将拥有一个更美好的世界。）可知作者写这篇文章是为了让人们节约用水，故选B。19、1.B2.A3.B4.D5.C【解析】【导语】本文讲述了一个以贝壳为宝物的小男孩与妹妹逛商场，妹妹渴望得到洋娃娃，但没有足够的钱，哥哥拿出自己的贝壳为妹妹买了洋娃娃。【1题详解】细节理解题。根据“Hestoppedandlookedback,findingShirleywasstandinginfrontofatoyshopandwaslookingatsomethingwithgreatinterest.”可知，彼得的妹妹雪莉在商店前停了下来，因为商店里的娃娃引起了她的兴趣。故选B。【2题详解】细节理解题。根据“Sayingso,theshopkeeperkeptonlytwoshellsandgavebacktheothersandthemoney.”可知，男孩终于花了两个贝壳买了这个娃娃。故选A。【3题详解】词义猜测题。根据“Whathappenedmadeanassistant(助手)inthatshopastonished.”及前后文可知，此处指助手对店长的行为感到惊讶并询问，这里的astonished是“惊讶”的意思。故选B。【4题详解】最佳标题题。根据“Forus,theseareshells,butfortheboy,theyaretreasures.Hisloveforhissisteristhemostimportant.”可知，哥哥通过买洋娃娃表达了自己对妹妹的爱，因此“最真诚的爱”可以为标题。故选D。【5题详解】推理判断题。根据“Hisloveforhissisteristhemostimportant.”及全文内容可推知，我们可以在杂志的教育部分读到这段话。故选C。20、1.B2.A3.C4.A5.D【解析】【导语】本文是一篇应用文，介绍了一家烹饪营的报名时间、学费、开课时间、学习内容等信。【1题详解】细节理解题。根据“Registration(报名)Time9amonJune17,Saturday”可知，报名时间是6月17日上午9点。故选B。【2题详解】细节理解题。根据“LevelⅠcamp(studentsaged6to9)”可知，一级训练营年龄要求6岁到9岁。故选A。【3题详解】细节理解题。根据“LevelⅠcamp(studentsaged6to9):$200eachstudent”以及“LevelⅡcamp(studentsaged10to17):$150eachstudent”可知，六岁的女儿参加一级训练营，学费200美元；十一岁的儿子参加二级训练营，学费150美元。总和为350美元，故选C。【4题详解】细节理解题。根据“Learnbasic(基本的)skills...cooktheirfavoriterestaurantdisheswiththe