河北省廊坊市名校2025年七年级英语第二学期期中统考试题含答案

河北省廊坊市名校2025年七年级英语第二学期期中统考试题满分120分，时间90分钟一、单项选择（共10小题，满分20分）1、—Listen!Someone________intheclassroom.—Thevoicesounds________.A.issinging;beautifully B.issinging;beautifulC.sings;beautiful D.sings;beautifully2、Mr.Blackusually________TVatnight.Nowhe________abasketballgameonTV.A.watches;watching B.sees;seeingC.sees;isseeing D.watches;iswatching3、Youlooktired.Whynot________somelightmusic?A.trytolistento B.totrytolistentoC.trylisteningto D.totrylisteningto4、Manypeopleprefer________GuangzhouduringtheSpringFestival.A.tovisiting B.tovisit C.visited D.visits5、—Ican’tfindmycrayons.MayIuse________?—Sure.Hereyouare.A.you B.your C.yours D.yourself6、John’snewhouselies________thecoastofthesea.A.in B.to C.on D.by7、Thefilmisvery________.Iwanttoseeitagain.A.clean B.boring C.interesting8、—Howmuchwateristhereinthisbottle?—Thereis________waterinit.It’salmostempty.A.few B.afew C.little D.alittle9、Isthisyourschoolbagor________?A.my B.I C.mine10、Atlast,they________theairportontime.A.arrive B.arrived C.arrivedat D.arrivedin二、完形填空（10分）11、阅读下面短文，从所给的四个选项中选出能填入相应空白处的最佳选项。OnceinLondon,manypeoplegotveryill.Theillnesstheyhadwascalledcholera(霍乱).Doctorstriedtofindouthowto____1____peoplefromgettingcholera.Mostbelievedpeoplegotillbecauseofpollutedair,sotheytoldpeopleto____2____theirwindowsoftenandkeepairfresh.Theyalsoasked____3____todrinklotsofwaterandtakesomemedicine.Buttheir____4____neverhelped.JohnSnow,adoctorandscientist,hada____5____idea.Hebelievedthatthepollutedwater____6____cholera.Sohewenttodifferentcommunities,testedthewaterthere,andcountedpeoplewhogotcholera.____7____,hefoundthecleanerthewaterinthecommunitywas,thefewerpeoplewouldgetill.Dr.Snowshowedthefindingsofhisstudytootherdoctorsandtheyknewhewas____8____.AlloverLondon,peoplestoppeddrinking____9____water.Theygottoknowhowimportantcleanwateristo____10____.1.A.tell B.borrow C.stop D.hear2.A.open B.close C.break D.shine3.A.us B.you C.him D.them4.A.service B.activity C.advice D.example5.A.great B.different C.wrong D.popular6.A.followed B.forced C.broke D.caused7.A.Finally B.Certainly C.Usually D.Widely8.A.serious B.right C.tired D.lucky9.A.clean B.safe C.polluted D.unpolluted10.A.exercise B.health C.illness D.energy三、完成句子（共5小题，满分10分）12、Therearesomekeysonthedesk.（改为否定句）There________________keysonthedesk.13、那个男孩因为迟到向老师道了歉。Theboy________________histeacherfor________________.14、Thevolunteers(志愿者)aregoingtoworkintwo________(村镇)thisSunday.15、这些孩子够大了可以照顾自己了。Thesechildrenareoldenoughto________________________________.16、MrSmithisstrictwithus.(写出句子结构)_________________________________________________________四、阅读理解（40分）17、MynameisJenny.Iwasbornin1990.IcomefromLondon.NowIliveinBeijing.IteachEnglishinaninternational(国际的)school.Ithinkit’sinteresting.IcanspeakChinesetoo.Ihaveexperience(经验)inteachingEnglishinChina.Iamfriendly.Myemailaddressisjenny@.I’mTim.Iwasbornin1992inAmerica.IliveinShanghainow.Icandrawverywell.Iliketobeateacher.I’mverykind.Ihavefreetimeatweekends.Doyouwanttolearntodraw?PleasecallmeaI’mLinda.I’mfromCanada.Iwasbornin1998.Icanswimverywell.Iwanttobeaswimmingcoach(教练).IlovechildrenandI’mhelpful.Icanhelpyourclub,pleaseemailmeatlinda@11.com.1.WhenwasJennyborn?A.In1988. B.In1990. C.In1992. D.In1998.2.PaulwantsTimtoteachhimtodraw.Hecanlearniton______.A.Monday B.Wednesday C.Thursday D.Sunday3.Lisaneedsaswimmingcoach.Shecan______.A.callTim B.emailLinda C.callLinda D.emailTim4.Wholoveschildren?A.Jenny. B.Tim. C.Linda. D.Nobody.5.Fromthepassage,weknowthethreepeople______.A.areallover20yearsold B.areallfromEnglandC.allwanttoworkinclubs D.allcanspeakChinesewell18、Oneafternoon,Stephaniereturnedhomefromschool.Shecalledouttohermotherbut___1___answered.Thinkingthathermotherwasnotathome,Stephaniewentintothekitchentoseeif___2___wasready.However,therewasastrong___3___ofsmokeinthekitchen.Stephanie___4___andwassurprisedtoseethatthetowelnexttothestove(火炉)caughtfire.Herparentswerenotathome,soStephaniehadto___5___thefireburningherself.Sheturnedoffthestovequicklyandrantogetthefireextinguisher(灭火器)fromthelivingroombeforereturningtothekitchen.Afterthefirewasputout,Stephanieranbacktothelivingroom,pickedupthetelephoneandplannedtogivehermothera___6___.Atthatmoment,Mrs.Markscameoutofthebedroomwitha___7___lookonherface.AfterStephanietoldherwhathadhappened,shefelt___8___forfallingasleepwiththestovestillon.Mrs.MarksthankedStephaniefor___9___thefire.IfStephaniehadcomehomeanylater,thehousewouldhavebeeningreatdanger.Stephaniesaidshemustthankherfather,becausehe___10___hertousethefireextinguisher.1.A.nobody B.anybody C.somebody D.everybody2.A.breakfast B.lunch C.dinner D.housework3.A.sound B.smell C.taste D.sense4.A.wokeup B.fellasleep C.gotdown D.lookedaround5.A.finish B.keep C.stop D.watch6.A.kiss B.call C.ride D.towel7.A.sad B.bored C.sleepy D.serious8.A.cheerful B.sorry C.proud D.happy9.A.puttingup B.puttingout C.lookingup D.lookingout10.A.needed B.told C.wanted D.taught19、①Cantreestalk?Somescientistsfindthattreescanreally“talk”!②Sometreesusechemicals(化学物质)totalk.Wheninsectsattackthem,theygivesoutchemicalsfromtheleaves.Thisislikeacallforhelp,“I’mbeingattacked!”Someofthesechemicalsdriveinsectsaway.Otherscancallbirdstocometokilltheinsects.Scientistshopetolearnmoreaboutthis,sothatwecanuseittokeepinsectsawayfromcropslikerice.③Moresurprisingly,treesalsousesoundtotalk.Peoplecan’thearthesesounds,buttreesaremakingthem.Someplantsmakenoiseswiththeirroots.Sometreesmakenoiseswhenthereisnotenoughwater.④Mostsurprisinglyofall,treeshavean“Internet”togiveoutandgetinformationinabigforest.Scientistscallitthe“WoodWideWeb”(树联网).Thefungi(真菌)undergroundhelpbuildupthe“WoodWideWeb”amongtherootsofdifferenttrees.ItisjustliketheInternetweuse.Usingthe“WoodWideWeb”,treescanshareinformationandevenfoodwitheachother.However,itmayalsobeharmful.Sometreesmayuseittotaketoomuchfoodfromothers,orgiveoutchemicalstohurtotherplants.Perhapsonedayscientistswilllearnhowtobuilda“GreatWall”tohelpstopthese.⑤Treestalktoeachotherindifferentways.Now,scientistsarelearningmoreaboutthesewaysandmaybeonedaywewillbeableto“talk”withtreesourselves.1.Treescan“talk”indifferentways.Howmanywaysdoesthepassageshow?________A.One. B.Two.C.Three. D.Four.2.Whatdoestheword“attack”meaninparagraph2?________A.Hurt. B.Burn.C.Protect. D.Catch.3.Whymaytreesmakenoiseaccordingtoparagraph3?________A.Theywanttousechemicals.B.Theyneedmorewatertokeepalive.C.Theywouldliketoshareinformation.D.Theyhopepeopletoheartheirsound.4.Ifthereisnorainforalongtime,whatdisadvantages(坏处)maythe“WoodWideWeb”bring?________A.Insectsmayeatmoreleaves.B.Fungimaynotbeabletowork.C.Someteesmaytakeinwaterfromothers.D.Scientistsmaybuildupawallintheforest.5.Whatisthestructureofthepassage?________A. B.C. D.20、Butterflyexhibition(展览)Date:1st-31stMayPlace:SunshineTownMuseumShow:AllkindsofbutterfliesfromdifferentpartsoftheworldTime:Mon.—Fri.10:00am—4:00pmSat.—Sun.9:00am—5:00pmTickets:Adults:￥20Students:￥15Freeforchildrenunder12GroupBooking:CanbemadethroughthegrouplineAdultgroupsof10ormore:￥15eachStudentgroupsof10ormore:￥10eachSpecialgiftCometothebutterflyexhibitionon1st,Mayandreceive(收到)afreepictureofbutterfly.1.Wecansee________inthebutterflyexhibition.A.somepaintings B.somepicturesofbutterfliesonlyC.somebeautifulbutterflies D.somepicturesofthetownsfromallovertheworld2.Youaregoingtoseetheexhibitionwithyour14-year-olddaughter,youwillhavetopay________.A.15yuan B.20yuan C.5yuan D.35yuan3.Wecanbookgrouptickets________.A.bymakingaphonecall B.bysendingane-mailC.bywritingaletter D.byfillinginanapplicationform4.Thereare45studentsinourclass.Howmuchwilltheypayiftheyvisittheexhibition?A.￥675. B.￥450. C.￥900. D.￥400.5.Ifyougototheexhibitionon1st,May,youcanget________.A.abutterfly B.aticket C.apicture D.apresent五、补全对话（10分）21、请通读下面对话，根据对话内容，从文后的选项中选出能填入空白处的最佳选项。选项中有一项为多余选项。Jim:Hello.ThisisJim.Lisa:Hi,Jim.____1____Jim:Oh,hi,Lisa.____2____Lisa:Iamdoingmyhomework.Howaboutyou?Jim:I’mlisteningtoaCD.It’skindofboring.Let’sgotothezoo.Lisa:Goodidea!____3____Jim:Iliketigers.Lisa:Tigers?Whydoyoulikethem?Jim:____4____Lisa:Wherearetheyfrom?Jim:TheyarefromAfrica.Lisa:____5____Jim:Let’smeetatmyhomeathalfpastfour.Lisa:OK.Seeyouthen.A.Whenandwheredowemeet?B.Whatanimalsdoyoulike?C.ThisisLisa.D.Howfarisit?E.Whatareyoudoing?F.Becausetheyarestrongandcool.六、阅读表达（10分）22、

根据文章所提供的信息，用完整且语法正确的句子Everyhomeshouldhaveitsfamilyrules.ThereisabookaboutfamilyrulescalledRulesofLove.Itsaysfamilyruleshelptomakeyourhomeabetterplace.Inourfamily,wetape(粘贴)ourrulesonthewallofthelivingroom.Igotthemfromafriendsixyearsago,andtheseruleshelpusalotovertheyears.Wealsotellourchildrenthattheyshouldfollowthefamilyruleswherevertheygo.Thesearenotjustrulesforthemtofollowatourhouse.Rulescomeindifferentwords.Goodrulesarelikestrictbutkindfathers.Anditisimportantforthechildrentorememberandfollowtherules.Sodon’thavetoomanyrulesforyourchildren.Foryoungerchildren,parentscanusepicturestotellthemabouttherules.Herearesomeexamples.●Sitdowntoeat.●Nofightingorname-calling(骂人).●Don’taskforthingsinthesupermarket.1.What’sthenameofthebook?______________________________________________________________________________________________2.Wheredoesthewritertapetherules?_______________________________________________________________________________________________3.What’regoodruleslike?_______________________________________________________________________________________________4.Whatcanparentsusetotelltherulestoyoungerchildren?_______________________________________________________________________________________________5.Howmanyrulesarethereinthepassage?_______________________________________________________________________________________________七、书面表达（20分）

今天是一年一度的植树节，假设你是你们学校英语报的小记者，请根据以下提示内容写一篇英语短文，现场报道同学们的植树活动情况。词数70左右，短文的开头已给出，不计入总词数。内容包括：1.同学们正在校园里种树，有的在挖坑，有的在搬树苗，有的在浇水。2.请列举三点说明树木对人类的好处。3.呼吁大家爱护树木，多植树。TodayisTreePlantingDayandtheSunshinesbrightly.________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

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：——听！有人在教室里唱歌。——声音听起来很美。考查时态和形容词作表语。根据“Listen!”可知，时态是现在进行时，排除CD；sounds是系动词，其后用形容词作表语。故选B。2、D【解析】【详解】句意：布莱克先生通常晚上看电视。现在他在电视上观看一场篮球赛。考查动词辨析及时态。watch观看；see看到。watchTV“看电视”，排除BC；结合“Now”可知第二空用现在进行时，排除A。故选D。3、C【解析】【详解】句意：你看起来很累。为什么不尝试听听轻音乐呢？考查动词短语。listento听；trytodosth尽力做某事；trydoingsth尝试做某事，whynot+动词原形？“为什么不……”，排除B和D，由空后的“somelightmusic”可知，空缺处指尝试听音乐，排除A，故选C。4、B【解析】【详解】句意：许多人更喜欢在春节期间去广州旅游。考查非谓语动词。prefertodo为固定搭配，意为“愿意做……”，符合句意，故选B。5、C【解析】【详解】句意：——我找不到我蜡笔。我可以用你的吗？——当然。给你。考查代词辨析。you你；your你的，形容词性物主代词；yours你的，名词性物主代词；yourself你自己。根据“MayIuse...”可知表示我可以用你的吗，空格后没有名词，应用名词性物主代词。故选C。6、C【解析】【详解】句意：约翰的新房子坐落在海边。考查介词。in在……里面；to朝；on在……上面；by通过。根据“John’snewhouselies...thecoastofthesea.”可知，此处表示约翰的新房子在海岸边；onthecoastof“在……的海岸边”。故选C。7、C【解析】【详解】句意：这部电影很有趣。我想再看一遍。考查形容词辨析。clean干净的；boring无聊的；interesting有趣的。根据“Iwanttoseeitagain”可知此处指“电影很有趣，想再看一遍”。故选C。8、C【解析】【详解】句意：——这个瓶子里有多少水？——里面几乎没有水。几乎是空的。考查不定代词辨析。few几乎没有，修饰可数名词复数，表否定含义；afew一些，修饰可数名词复数，表肯定含义；little几乎没有，修饰不可数名词，表否定含义；alittle一点，修饰不可数名词，表肯定含义。water是不可数名词，应用little或alittle修饰，排除选项A、B；根据“It’salmostempty.”可知，几乎没水了。故选C。9、C【解析】【详解】句意：这是你的书包还是我的书包？考查代词辨析。my我的，形容词性物主代词；I我，主格；mine我的，名词性物主代词。此空表示“我的书包”，空格后无名词，应填名词性物主代词，故选C。10、C【解析】【详解】句意：最后，他们准时到达了机场。考查动词短语辨析。arriveat到达，后接小地点；arrivein到达，后接大地点。airport小地点，应填arrivedat，故选C。二、完形填空（10分）11、1.C2.A3.D4.C5.B6.D7.A8.B9.C10.B【解析】【导语】本文主要讲述了斯诺医生是如何发现霍乱的传染途径并且终止霍乱传播的。【1题详解】句意：医生们试图找出防止人们感染霍乱的方法。tell告诉；borrow借用；stop防止；hear听见。根据“findouthowto...peoplefromgettingcholera”可知，是找方法来防止人们感染，故选C。【2题详解】句意：大多数人认为人们生病是因为空气污染，所以他们告诉人们经常开窗，保持空气新鲜open打开；close关闭；break打断；shine照耀。根据“keepairfresh”可知，要保持空气清新应是需要经常开窗，故选A。【3题详解】句意：他们还要求他们多喝水，吃一些药。us我们；you你（们）；him他；them他们。根据上文的“people”可知，此处指的是“告诉人们”，所以用them指代，故选D。【4题详解】句意：但他们的建议从来没有起过作用。service服务；activity活动；advice建议；example例子。根据上文“sotheytoldpeopleto...theirwindowsoftenandkeepairfresh.Theyalsoasked...todrinklotsofwaterandtakesomemedicine.”可知，这些都是他们的建议，所以此处指建议，故选C。【5题详解】句意：约翰·斯诺，一个医生兼科学家，有一个不同的想法。great伟大的；different不同的；wrong错误的；popular受欢迎的。根据上文“Mostbelievedpeoplegotillbecauseofpollutedair”可知，约翰·斯诺的想法与其他人不同，故选B。【6题详解】句意：他认为是被污染的水引起了霍乱。followed跟着；forced强迫；broke弄坏；caused引起。根据“thepollutedwater...cholera”可知，应是说污水引发霍乱，故选D。【7题详解】句意：最后，他发现社区里的水越干净，得病的人就越少。Finally最后，终于；Certainly无疑；Usually通常；Widely普遍地，广泛地。根据“hefoundthecleanerthewaterinthecommunitywas,thefewerpeoplewouldgetill.”可知，这是他测试之后最终发现的结果，故选A。【8题详解】句意：斯诺医生向其他医生展示了他的研究结果，他们知道他是对的。serious严重的；right正确的；tired疲倦的，累的；lucky幸运的。根据“Dr.Snowshowedthefindingsofhisstudytootherdoctors”及上文斯诺医生的发现可知，其他医生知道他是对的，故选B。【9题详解】句意：在整个伦敦，人们不再饮用受污染的水。clean洁净，干净的；safe安全的，平安的；polluted受污染的；unpolluted未受污染的。根据斯诺医生的发现“thecleanerthewaterinthecommunitywas,thefewerpeoplewouldgetill”可知，要想防止感染，人们需要停止饮用受污染的水，故选C。【10题详解】句意：他们知道干净的水对健康有多重要。exercise运动；health健康；illness疾病；energy能力。本文主要讲述了人们因为饮用受污染的水而被感染霍乱，所以此处指干净的水对健康很重要，故选B。三、完成句子（共5小题，满分10分）12、①.aren’t②.any【解析】【详解】句意：桌子上有一些钥匙。原句为Therebe句型，改为否定句，需将are改为aren’t，some改为any。故填aren’t；any。13、①.apologized②.to③.being④.late【解析】【详解】apologizetosb“向某人道歉”；belate“迟到”，介词for后加动名词作宾语。句子是描述过去的事情，应用一般过去时，故填apologized；to；being；late。14、villages【解析】【详解】句意：志愿者们本周日将在两个村镇工作。“村镇”为village，基数词two后跟名词复数villages，故填villages。15、①.take②.care③.of④.themselves【解析】【详解】对比中英文可知，空处为“照顾自己”。takecareof“照顾”，为动词短语。此处的“自己”与“这些孩子”对应，表示他们自己，用反身代词themselves。故填take；care；of；themselves。16、主+系+表+状【解析】【详解】句意：史密斯老师对我们很严格。MrSmith作主语；is是系动词；strict是表语；withus作状语。故填“主+系+表+状”。四、阅读理解（40分）17、1.B2.D3.B4.C5.A【解析】【导语】本文是三个人的自我介绍，他们擅长什么以及他们的求职意向。【1题详解】细节理解题。根据“MynameisJenny.Iwasbornin1990.”可知Jenny出生在1990年。故选B。【2题详解】细节理解题。根据“Icandrawverywell.I’dliketobeanartteacher.I’mverykind.Ihavefreetimeatweekends”可知，周末可以跟Tim学画画。故选D。【3题详解】细节理解题。根据“I’mLinda...Ifyouneedaswimmingcoachinyourclub,pleaseemailmeatlinda@11.com”可知，如需要游泳教练可以给Linda发邮件。故选B。【4题详解】细节理解题。根据“I’mLinda...IlovechildrenandI’mhelpful.”可知Linda喜欢孩子。故选C。【5题详解】细节理解题。根据“MynameisJenny.Iwasbornin1990”“I’mTim.Iwasbornin1992inAmerica”以及“Iwasbornin1998”可知Jenny是33岁，Tim是31岁，Linda是25岁，都是20岁以上。故选A。18、1.A2.C3.B4.D5.C6.B7.C8.B9.B10.D【解析】【导语】本文主要讲述了小女孩在没有大人的帮助下，沉着冷静地使用灭火器扑灭了一场火。【1题详解】句意：她对母亲喊道，但是没人应答。nobody没人；anybody任何人；somebody某人；everybody每个人。根据下文“hermotherwasnotathome”她的妈妈不在家。可知，没人回答她，故选A。【2题详解】句意：Stephanie走进厨房看看晚饭是否准备好了。breakfast早餐；lunch午餐；dinner晚餐；housework家务。根据“Oneafternoon”一个下午，以及“Stephaniewentintothekitchen”Stephanie走进厨房。可知，去厨房看晚餐是否准备好,故选C。【3题详解】句意：然而，厨房里有很浓的烟味。sound声音；smell气味；taste味道；sense感觉。根据“smokeinthekitchen”厨房里的烟，可知，厨房的烟应该是气味，故选B。【4题详解】句意：Stephanie仔细看了看，惊讶地发现炉子旁边的毛巾着火了。wokeup醒来；fellasleep睡着；gotdown下来；lookedaround浏览。她闻到了烟味，所以紧接着仔细看看厨房是哪里出了问题，故选D。【5题详解】句意：父母不在家，所以Stephanie不得不自己灭火。finish完成；keep保持；stop停止；watch观看。根据“Sheturnedoffthestovequicklyandrantogetthefireextinguisher(灭火器)fromthelivingroombeforereturningtothekitchen.”她迅速关上炉子，跑去拿客厅里的灭火器，然后回到厨房，可知，她要阻止火势蔓延，故选C。【6题详解】句意：火灭了后，Stephanie跑到客厅，拿起电话，准备给她妈妈打电话。kiss亲吻；call打电话；ride骑行；towel毛巾。根据“pickedupthetelephone”拿起电话，可知，她准备打电话的，故选B。【7题详解】句意：就在那时，Marks夫人从卧室里走了出来，脸上带着困倦的表情。sad悲伤的；bored无聊的；sleepy困倦的；serious严重的。根据下文“shefelt…forfallingasleepwiththestovestillon.”可知，Marks夫人在房间里睡着了，因此脸上的表情是困倦的，故选C。【8题详解】句意：她很抱歉炉子还开着就睡着了。cheerful令人愉快的；sorry抱歉的；proud骄傲的；happy开心的。根据“forfallingasleepwiththestovestillon”在炉子还开着的时候睡着了，可知，在炉子开着的情况下睡着了，因此而感到抱歉，故选B。【9题详解】句意：Marks夫人感谢Stephanie把火扑灭了。puttingup搭建；puttingout扑灭；lookingup查询；lookingout小心。根据“thefire”火，可知Marks夫人感谢Stephanie把火扑灭了，故选B。【10题详解】句意：Stephanie说她必须感谢她的父亲，因为是他教她使用灭火器的。needed需要；told告诉；wanted想要；taught教。根据“hertousethefireextinguisher”让她使用灭火器，可知，感谢父亲教她使用灭火器，故选D。19、1.C2.A3.B4.C5.A【解析】【导语】本文是一篇说明文，主要讲了树以不同的方式相互交流。【1题详解】细节理解题。根据第二段“Sometreesusechemicals(化学物质)totalk.”、第三段“Moresurprisingly,treesalsousesoundtotalk.”和第四段“Mostsurprisinglyofall,treeshavean“Internet”togiveoutandgetinformationinabigforest.”可知树可以通过化学物质、声音和树联网“说话”，文章共展示了三种方式。故选C。【2题详解】词义猜测题。根据第二段“Wheninsectsattackthem,theygivesoutchemicalsfromtheleaves.”可知它们呼救是因为它们受到了伤害，所以推测attack是“攻击、伤害”与hurt同义。故选A。【3题详解】细节理解题。根据第三段“Sometreesmakenoiseswhenthereisnotenoughwater.”可知一些树发出声音是需要水。故选B。【4题详解】细节理解题。根据第四段“However,itmayalsobeharmful.Sometreesmayuseittotaketoomuchfoodfromothers,orgiveoutchemicalstohurtotherplants.”可推测当缺水时，一些树可能会汲取别的树的水。故选C。【5题详解】篇章结构题。通读文章可知，第一段总体讲树会交流，第二、三、四段分别讲了树用化学物质、声音、“树联网”来交流，最后一段讲总结树用不同的方式交流。故选A。20、1.C2.D3.A4.B5.C【解析】【导语】本文是关于蝴蝶展览的海报，在这篇海报中介绍了展出的时间、地点、门票的价格及团体预订的说明，还有在5月1日参加蝴蝶展览可以免费收到蝴蝶图片一张。【1题详解】细节理解题。根据“Show:Allkindsofbutterfliesfromdifferentpartsoftheworld”可知，在展览中可以看到来自世界各地的各种蝴蝶。故选C。【2题详解】细节理解题。根据“Adults:￥20；Students:￥15；Freeforchildrenunder12”可知要花费：20+15=35元。故选D。【3题详解】细节理解题。根据文中“GroupBooking:Canbemadethroughthegroupline【4题详解】细节理解题。根据“Studentgroupsof10ormore:￥10each”可知，45个学生应该花费450元。故选B。【5题详解】细节理解题。根据“Cometothebutterflyexhibitionon1st,Mayandreceive(收到)afreepictureofbutterfly”可知在5月1日参加蝴蝶展览可以免费收到蝴蝶图片一张。故选C。五、补全对话（10分）21、1.C2.E3.B4.F5.A【解析】【导语】本文是两个人在打电话，电话中谈论了彼此在做什么并相约其动物园，还谈及了双方喜欢的动物。【1题详解】