浙江省宁波北仑区东海实验学校2023-2024学年英语八年级第二学期期末调研试题含答案_第1页
浙江省宁波北仑区东海实验学校2023-2024学年英语八年级第二学期期末调研试题含答案_第2页
浙江省宁波北仑区东海实验学校2023-2024学年英语八年级第二学期期末调研试题含答案_第3页
浙江省宁波北仑区东海实验学校2023-2024学年英语八年级第二学期期末调研试题含答案_第4页
浙江省宁波北仑区东海实验学校2023-2024学年英语八年级第二学期期末调研试题含答案_第5页
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浙江省宁波北仑区东海实验学校2023-2024学年英语八年级第二学期期末调研试题满分120分,时间90分钟一、单项选择(共10小题,满分20分)1、I’dliketobuyanewhouse-comfortableandmodern.________,itshouldbeinaquietneighborhood.A.Atall B.Inall C.Aboveall D.Afterall2、Mongolia(蒙古国)is________thenorthofChina.A.in B.on C.to3、Ididn’tknowanythingaboutthenewsthatthegiantpandaYayawentbacktoChinainApril,2023________myclassmatetoldme.A.until B.because C.if4、—__________,madam?—Sure,potatosaladandbeef.A.MayIhavethebill B.MayItakeyourorder C.What’swrongwithyou5、—EverytimeIpassJim’sclassroom,IhearhimpracticespeakingChinese.—Youknow________.A.actionsspeaklouderthanwords B.practicemakesperfectC.everydoghasitsday D.thegrassisalwaysgreenerontheotherside6、IwentshoppinglastSunday.I________agiftformyEnglishteacher.A.buy B.bought C.ambuying D.havebought7、Wedecidedto________alltheoldclothesthatweneverwear.A.clearout B.takeup C.takeout D.cheerup8、It’sveryimportantforustolearnhowtolearnby.A.ourselves B.itself C.myself D.themselves9、Whatdoesthemessagemainlytellus?A.AnaisinvitingJentoDave’sparty.B.JenwantstolendAnaherredjacket.C.AnawantstoknowifJenneedsherjacket.10、—Mike,________?—No,myheadfeelshot.A.areyouavailable B.areyouOKC.doyouenjoyyourself D.doyoumindit二、完成句子(共5小题,满分10分)11、if,fine,tomorrow________________________________12、Histeachingstyleis__________tothatofmostteachers.(类似)13、你能料想到半小时之前什么使她那么激动吗?____________________________________________14、great,is,country,China,a______________________________.15、arrive,don’t,to,forget,ontime________________________.三、补全对话(10分)16、根据对话内容,在空白处填入一个适当的句子,使对话意思完整。JimmyandHelenareclassmates.Theyaretalkingontheirwayhomeafterschool.Jimmy:Hi,Helen.Icalledyouatsevenlastnightbutyoudidn’tpickup.____1____?Helen:Oh,Iwasdoingthedishesatthattimelastnight.Mymomdoesn’tfeelwell,soIhavetohelparoundthehouse.Jimmy:Oh,I’msorrytohearthat!____2____?Helen:Shehasastomachache.Butshefeelsbetternow.Whydidyoucallmelastnight?Jimmy:Igotintoanotherfightwithmybrother.Hedidn’tallowmetowatchmyfavoriteTVprogram.WhatshouldIdo?Helen:Ibelievepropercommunicationcanworkallthetime.____3____?Jimmy:Ihaven’tthoughtaboutwritingalettertohim.MaybeI’llhaveatry.Thanksforyouradvice.Helen:Noproblem.Bytheway,I’mgoingtoCanadanextweek.____4____?Jimmy:Yes,Ihave.I’vebeentheretwice.It’smyfavoritecountrytovisitinNorthAmerica.It’sanexcellentplacetotrynewfood.Theyarereallydelicious.Helen:OK,Isee.Jimmy:I’msureyouwillhaveagoodtimethere.Helen:Thanks!四、阅读理解(40分)17、FreeeBookLibraryfromOxfordOwlforHomeWelcometoourfreeeBookscollection,developedforchildrenaged3-15yearsold.Ifyouliketolearnmoreabouthowtosupportchildren’sreading,visitourReadingpages.AlloureBooksareeasytoget.Justclicktheicon“Login”andyoucanstartreading.▶Learningtoreadwithpronunciation?Clickthe“▶”foradvice.▶Notreadingtopractisepronunciation?▶Areyouateacher?FindoutabouttheOxfordOwlforSchooleBookLibrary.▶Areyoulookingforyourclassreadingclub?LookthroughthelibraryDisplayalleBooks1.Thereadingmaterialaboveis.A.astory B.awebpage C.abookreview D.atravelguide2.Ifyouwanttoquicklysearchforabook,youshould.A.enterkeywordsandclicktheicon“GO”B.justclicktheicon“▶”forsomeadviceC.lookthroughReadingpagesonebyoneD.paysomemoneytojointhelibraryfirst3.TheeBooklibrarydisplaysitsebooksaccordingtodifferentitemsEXCEPT.A.ages B.levels C.prices D.series18、Doyouknowhowmanykindsofplantsandanimalsthereareintheworld?Scientistsbelievethereareover8million,butrightnowweonlyknowabout1.8million.____1____In2019,ateamofresearchersledbyauniversityprofessor(教授)namedAustindiscoveredanewkindofanimal.TheywereinPapua,studyingthewidekindsoflifeoftheislandcountry.Oneday,theresearcherswerelisteningtothesoundsoffrogs(青蛙)atnight.____2____Atfirst,theycouldn’ttellwherethesoundswerecomingfrom,butaftersometimetheyfoundtheywerecomingfromtheground.Theystartedtolookcarefullyamongtheleaves.Theywereexpectingtofindaninsect(昆虫).____3____Itwasareallytiny(微小的)frog…just7mmlong!“Thisfroghasasoundthatdoesn’tsoundlikeafrogatall.Itsoundslikeaninsect,”saidAustin.Thefrogtheydiscoveredwasthesmallestfrogintheworld.Researchersbelievethatfrogsandinsectsareveryimportant.Theyhelptokeepourenvironmentclean.Wecanalsousethemtomakenewmedicine.Researchersallovertheworldareworkingveryhardtolookfornewplantsandanimalseveryday.____4____Thisisbecauseforestswherethoseanimalslivearebecomingsmaller.根据短文内容,从下列选项中选出能填入文中空白处的最佳选项,选项中有一项为多余选项。A.Suddenly,theystartedtohearsomeverystrangesounds.B.However,theirjobsaregettingmoreandmoredifficult.C.Scientistsarelookingfornewkindsallthetime.D.Austindidn’thaveachancetostudyitbefore.E.However,whattheyfoundsurprisedthem.19、1.WhichofthefollowingitemswillNOTbeaccepted?A.Toys. B.DVDs. C.Lamps. D.TVs.2.Ifyouwanttotakeelectronicitems,theymustbe_________.A.new B.cleaned C.usable D.secondhand3.Whatcanyoudoifyouwanttobeavolunteerattheyardsale?A.WriteanemailtoJaneCameron.B.Donateasmanyitemsasyoucan.C.VisittheSt.TheresaChurch’swebsite.D.CallJaneCameronat4.Itisa_________forayardsale.A.report B.research C.notice D.newspaper20、MillionsofChinesehavebeenplayingamobilegamecalledTravelFrogrecently.Youplayasthe“mother”ofafrogwholivesaloneandenjoystraveling.Youneedtopreparefoodandtoolsforhistrips.Thefrogwilltravelwithahatandsendyoupostcardswhileheisaway.Therearevisitorslikeasnail,abeeandaturtleathisdoor.Eachtimetheyvisit,yougetaluckyticket.Youcanchoosethefoodtotreatthevisitorswith.Inreturn,theysendyouclovers(三叶草)oronefour-leafcloverlater.Thereasonwhythegameissopopularmayhavesomethingtodowithhowlonelypeoplearethesedays.Manyplayershavesaidthatthelonelyfrogisjustlikethem.Lonelinessseemstobeacommonproblemtoday.Butweshouldrememberthatnooneneedstobelonely.Therearetipstogetridof(消除)loneliness.Youcansingyourfavoritesong.Andyouneedtoconnectwithafriendanddosomethingcreative,suchasdrawingapicture.What’smore,youcanimaginesomeplacesyou’dliketovisit.1.“TravelFrog”isa/an________.A.video B.course C.movie D.game2.Whenthefrogisonvacation,hewillsend________toyou.A.e-mail B.postcards C.letters D.presents3.Whatcanthe“mother”ofafroggetfromthevisitors?A. B. C. D.4.Whatcanbedonetogetridofloneliness?①Doingsomeshopping.②Connectingwithyourfriends.③Singingfavoritesongs.④Imaginingsomeplacestogo.A.②③④ B.①③④ C.①②③ D.①②④5.Fromthetextwecanknowthat________.A.teenagerslikeplayingthegamerecentlyB.peoplewhofeellonelylikeplayingthegameC.playerscanbegoodfriendswhileplayingthegameD.playersneedtopreparefoodandmoneyforthetrips五、完形填空(10分)21、March22ndisWorldWaterDay.Itstartedin993.Itnotonlymakesusthinkabouttheimportanceofwater,butalsocallson(号召)usto____1____andprotectwater.Todaywerefacingterriblewaterproblems.Amongthem,wastewaterproblemisvery____2____.AndthesubjectofWorldWaterDayin107is“wastewater”.Whatiswastewater?Itisused(二手的;用过的)water.Usually,wastewatercomesfromhomes,____3____,hospitalsandsoon.Itisproduced(生产,制造)bydifferentkindsofactivities,includingwashingthemachines,takingshowersandusingthekitchen.Therainalso____4____wastewaterwhenitisrunningdownthestreetduringastorm.Nomatterwhereitcomesfrom,thiskindofwaterissuretohave____5____harmful(有害的)init.___6___mustwetreat(处理)wastewater?Wastewaterhasabiginfluence(影响)onourlife.Itcausesbothillnessforusandpollutionfortheenvironment(环境).Wemustcareforourenvironmentandourown____7____.Howcanwetreatwastewater?Differentkindsofwastewaterneeddifferentwaysoftreatment.Ifwastewater___8___homescanbereused(重复使用).Thentherewillbe____9____wastewater.Also,factorywastewaterhastobecleaned____10____itgoesbacktonature.1.A.drink B.save C.carry D.watch2.A.easy B.popular C.small D.serious3.A.factories B.lakes C.rivers D.seas4.A.getsback B.handsin C.changesinto D.picksup5.A.nothing B.something C.nobody D.somebody6.A.What B.Who C.Why D.How7.A.work B.interest C.health D.business8.A.on B.for C.with D.from9.A.less B.more C.better D.worse10.A.and B.whether C.after D.before六、阅读表达(10分)22、用完整的句子回答问题Myfriend,Amy,oncesaidtome,“Travellingaloneisalife-changingexperience.”ItravelledalonealotwhenIwasinmyearly20sandIlovedit.Theexperiencesoftravellingalonemakememoreadventurous(有冒险精神的).Ithinkeveryoneshouldtryatleastonceintheirlives.NowI’mmarried.Igoeverywherewithmyhusbandandit’sjustnotthesame.Thefeelingofbeingonanadventurehasgone.Imisstravellingalone.Ithenthoughtofmyfirstsolo(单独的)triptoSouthAmerica.IwenttoSouthAmericaandstayedthereforsixmonths.Ifindhavingholidayswithotherpeopleisnotasexcitingastravellingalone.Idon’tmeetadventureswiththembutIcanexperiencealotalone.Whentravellingbymyself,IcanchoosefromminutetominutewhatIwilldonext.IcanvisitaplacethatIdidn’tplantoseebefore.Icangotherewithouthavingtoagreewithanyonefirst.ItrytosolveallmyproblemsbymyselfandIbecomemoreindependent(独立的).However,thereisjustonethingthatisnotsogoodforme.IalwayshopethattheplacesIwillvisithavegoodhotelsandsafetransportroutes(路线).SoeverytimebeforeIbeginmysolotrip,Ihavetomakesureifthehotelisgoodorthetransportroutesaresafe.1.Whendidthewritertravelalonealot?_______________________________2.Whodoesthewritergoeverywherewithnow?_______________________________3.Whichismoreexcitingforthewriter,havingholidayswithotherpeopleortravellingalone?_______________________________4.HowlongdidthewriterstayduringherfirstsolotriptoSouthAmerica?_______________________________5.Whatdoesthewriterhavetomakesurebeforehersolotrip?_______________________________七、书面表达(20分)健康对我们每个人来说都是非常重要的,但是并非每个人都知道如何保持健康。这里,请你根据下面表格的提示内容,以“GoodWaysToKeepHealthy”为题,写一篇70~80词的短文,倡导健康生活并从以下三个方面做起。Foodabalanced(均衡的)diet,vegetable,fruit,lessmeatExercisedomoreexercise,takeawalkaftermealsMood(情绪)keephappy,smileoften,makefriends注意:1.短文开头已给出,不计入总词数;2.卷面整洁,语言流畅,可适当发挥。GoodWaysToKeepHealthyItisveryimportantforustokeephealthy.Butdoyouknowthewaystokeephealthy?____________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

参考答案一、单项选择(共10小题,满分20分)1、C【解析】【详解】句意:我想买一套舒适现代的新房子。尤其,它应该在一个安静的街区。考查副词短语。Atall根本;Inall总计;Aboveall尤其,更重要的是;Afterall毕竟。根据“comfortableandmodern”可知此处是对房子的要求,空处应是突出强调更重要的是要在一个安静的街区。故选C。2、B【解析】【详解】句意:蒙古国在中国的北部。考查介词辨析。in表示小地点在大地点范围内;on表示两个地点的外部相互接壤;to表示两个地点的外部不相互接壤。根据常识可知,蒙古国是与中国北部相互接壤的另一个国家,应用onthenorthof。故选B。3、A【解析】【详解】句意:我对大熊猫丫丫2023年4月回国的消息一无所知,直到我同学告诉我。考查连词辨析。until直到;because因为;if如果。根据“Ididn’tknowanythingaboutthenewsthatthegiantpandaYayawentbacktoChinainApril,2023…myclassmatetoldme.”可知,我对大熊猫丫丫2023年4月回国的消息一无所知,直到我同学告诉我。故选A。4、B【解析】【详解】句意:——女士,我能为您点餐吗?——当然。土豆沙拉和牛肉。考查情景交际。MayIhavethebill,madam?女士,可以结账了吗?MayItakeyourorder,madam?女士,我能为你点餐吗?What’swrongwithyou,madam?女士,你怎么了?根据答语“Sure,potatosaladandbeef.”可知,问句问的是点餐。故选B。5、B【解析】【详解】句意:——每次我经过吉姆的教室,我都听到他练习说汉语。——你知道熟能生巧。考查常识及习语。actionsspeaklouderthanwords事实胜于雄辩;practicemakesperfect熟能生巧;everydoghasitsday每个人都会走运的;thegrassisalwaysgreenerontheotherside这山望着那山高。根据“EverytimeIpassJim’sclassroom,IhearhimpracticespeakingChinese.”可知,吉姆勤奋地练习说汉语,故可以说“熟能生巧”。故选B。6、B【解析】【详解】句意:我上周日去购物了。我给英语老师买了一个礼物。考查动词时态。buy买,是一个动词。根据句中的时间状语“lastSunday”可知,这句话说的是过去发生的事情,应用一般过去时态,buy的过去式是bought。故选B。7、A【解析】【详解】句意:我们决定清除我们从来不穿的所有旧衣服。考查动词短语。clearout清除;takeup占据;takeout拿出;cheerup高兴起来。根据“alltheoldclothesthatweneverwear”可知,要把不穿的旧衣服清除了,故选A。8、A【解析】【详解】句意:学会如何自学对我们来说是非常重要的。考查反身代词。ourselves我们自己;itself它自己;myself我自己;themselves他们自己。根据“It’sveryimportantforustolearnhowtolearnby...”可知,下文反身代词,指代的是前文的宾格人称代词us,故用复数形式ourselves。故选A。9、C【解析】【详解】句意:此信息主要告诉我们什么?考查常识。根据信息内容,Ana在信息中询问Jen是否想借用她的红色夹克,Ana明天可以带到学校,因此Ana想知道Jen是否需要她的夹克。故选C。10、B【解析】【详解】句意:——Mike,你还好吗?——不,我的头感觉很热。考查情景交际。areyouavailable你有空吗;areyouOK你还好吗;doyouenjoyyourself你玩得开心吗;doyoumindit你介意它吗。根据“No,myheadfeelshot”可知此处询问对方好不好,选项B符合,故选B。二、完成句子(共5小题,满分10分)11、Wewillflykitesifitisfinetomorrow.【解析】【详解】根据图片以及提示词可知,此句表示“如果明天天气好,我们就去放风筝。”,if“如果”,引导条件状语从句,遵循“主将从现”,主句用willdo的结构;flykites“放风筝”;itisfine“天气好”,tomorrow“明天”,故填Wewillflykitesifitisfinetomorrow.12、similar【解析】【详解】句意:他的教学风格与大多数教师的教学风格相似。similar“类似的”,besimilarto“与……类似”。故填similar。13、Canyousuppose/guesswhatmadehersoexcitedhalfanhourago?【解析】【详解】分析句子可知,句子为一般疑问句,用“can”来提问,料想:suppose/guess;什么:what;使:made;那么激动:soexcited;半小时之前:halfanhourago。故填Canyousuppose/guesswhatmadehersoexcitedhalfanhourago?14、Chinaisagreatcountry【解析】【详解】根据所给标点符号可知,本句是陈述句。China作主语;is是系动词;agreatcountry作表语。故填Chinaisagreatcountry“中国是一个伟大的国家”。15、Don’tforgettoarriveontime【解析】【详解】forgettodosth“忘记做某事”,arrive“到达”,ontime“按时”,此处是祈使句的否定形式don’t+动词原形,故填Don’tforgettoarriveontime“不要忘了按时到达”。三、补全对话(10分)16、1.Whatwereyoudoingatthattime/atsevenlastnight/then2.What’sthematter(withyourmother)/What’swrong3.Whynotwritealettertohim/Howaboutwritingalettertohim4.Haveyoueverbeenthere/HaveyoueverbeentoCanada【解析】【导语】本文两人主要谈论了Helen昨晚做的事情以及Jimmy和自己弟弟打架,他向Helen寻求建议,最后他们谈论了Helen下周要去加拿大的事情。【1题详解】根据“Oh,Iwasdoingthedishesatthattimelastnight”可知此处询问对方昨天晚上七点的时候正在做什么,故填Whatwereyoudoingatthattime/atsevenlastnight/then。【2题详解】根据“Shehasastomachache”可知此处询问她怎么了。故填What’sthematter(withyourmother)/What’swrong。【3题详解】根据“Ihaven’tthoughtaboutwritingalettertohim”可知此处建议给他写信。故填Whynotwritealettertohim/Howaboutwritingalettertohim。【4题详解】根据“Yes,Ihave.I’vebeentheretwice”可知此处询问对方有没有去过加拿大。故填Haveyoueverbeenthere/HaveyoueverbeentoCanada。四、阅读理解(40分)17、1.B2.A3.C【解析】【导语】本文是一个免费的电子图书馆的网页内容。【1题详解】推理判断题。根据图片内容及“FreeeBookLibraryfromOxfordOwlforHome”可知,本文是一个网页。故选B。【2题详解】细节理解题。根据图片中的“Enterkeyword”及“GO”可知,如果你想快速搜索一本书,应该输入关键词,点击图标“GO”。故选A。【3题详解】细节理解题。根据“Allages”、“Levels”、“Booktypes”及“Series”可知,不包括价格。故选C。18、1.C2.A3.E4.B【解析】【导语】本文主要介绍了科学家们一直在寻找新的物种,具体介绍了一种新型的青蛙是如何被发现的。【1题详解】根据“Doyouknowhowmanykindsofplantsandanimalsthereareintheworld?Scientistsbelievethereareover8million,butrightnowweonlyknowabout1.8million.”可知提到了动植物的种类,C项“科学家们一直在寻找新的种类。”符合语境。故选C。【2题详解】根据“Atfirst,theycouldn’ttellwherethesoundswerecomingfrom,butaftersometimetheyfoundtheywerecomingfromtheground.”可知听到了声音,A项“突然,他们开始听到一些非常奇怪的声音。”符合语境。故选A。【3题详解】根据“Itwasareallytinyfrog…just7mmlong!”可知原以为是一种昆虫,结果是仅有7毫米的青蛙,让人吃惊,E项“然而,他们的发现让他们大吃一惊。”符合语境。故选E。【4题详解】根据“Thisisbecauseforestswherethoseanimalslivearebecomingsmaller.”可知寻找新物种不容易,B项“然而,他们工作变得越来越困难。”符合语境。故选B。19、1.D2.C3.D4.C【解析】【导语】本文是一篇庭院销售的布告通知。【1题详解】细节理解题。根据图片可知服装,电脑和电视不被接受,故选D。【2题详解】细节理解题。根据图片可知,如果是电子产品,必须要能使用。故选C。【3题详解】细节理解题。根据图片可知,志愿者可以给JaneCameron打电话,故选D。【4题详解】细节理解题。本文是一篇庭院销售的布告通知。故选C。20、1.D2.B3.C4.A5.B【解析】【导语】本文作者通过介绍一款受人欢迎的游戏“青蛙旅行”,由此引出如今人们的孤独问题,本文就如何消除孤独提出了几点建议。【1题详解】细节理解题。根据“MillionsofChinesehavebeenplayingamobilegamecalledTravelFrogrecently.”可知,这是一个游戏,故选D。【2题详解】细节理解题。根据“Thefrogwilltravelwithahatandsendyoupostcardswhileheisaway.”可知,在他离开时候给你寄明信片,故选B。【3题详解】细节理解题。根据“Inreturn,theysendyouclovers(三叶草)oronefour-leafcloverlater.”可知,可以得到三叶草或一个四叶草,故选C。【4题详解】细节理解题。根据“Therearetipstogetridof(消除)loneliness.Youcansingyourfavoritesong.Andyouneedtoconnectwithafriendanddosomethingcreative,suchasdrawingapicture.What’smore,youcanimaginesomeplacesyou’dliketovisit.”可知,你可以唱你最喜欢的歌。你需要和朋友联系,做一些有创意的事情。更重要的是,你可以想象一些你想参观的地方,故选A。【5题详解】推理判断题。根据“Thereasonwhythegameissopopularmayhavesomethingtodowithhowlonelypeoplearethesedays.”可知,这款游戏如此受欢迎的原因可能与如今人们的孤独程度有关,也就是说感到孤单的人会喜欢玩这款游戏,故选B。五、完形填空(10分)21、1.B2.D3.A4.C5.B6.C7.C8.D9.A10.D【解析】【导语】本文首先介绍水问题的严重性,尤其是废水问题,分析解决废水问题的重要性,然后给出了几点解决废水问题的方法。【1题详解】句意:它不仅让我们思考水的重要性,也呼吁我们节约和保护水。drink饮;save节省;carry携带;watch观看。根据“andprotectwater.”可知,这里是呼吁我们保护水,还有就是节约水源。故选B。【2题详解】句意:其中,废水问题十分严重。easy容易的;popular流行的;small小的;serious严重的。根据“wastewaterproblem”可知,水问题很严重,因此本句指废水问题尤其严重。故选D。【3题详解】句意:通常,废水来自家庭、工厂、医院等。factories工厂;lakes湖泊;rivers河流;seas海洋。根据“wastewatercomesfromhomes,…,hospitalsandsoon.”结合语境及常识可知,废水的来源有家庭,医院和工厂等。故选A。【4题详解】句意:暴风雨期间,雨水在街道上流动时也会变成废水。getsback取回;handsin交上;changesinto变成;picksup拾起、捡起。根据“wastewaterwhenitisrunningdownthestreetduringastorm.”及常识,可知雨水流过街道会变为废水。故选C。【5题详解】句意:不管它来自哪里,这种水肯定含有有害的物质。nothing没有什么;something某物;nobody没有人;somebody某人。根据“harmful(有害的)init.”不管它来自哪里,这种水肯定有有害的物质,可知此处选something符合题意。故选B。【6题详解】句意:为什么我们必须处理废水?What什么;Who谁;Why为什么;How如何。根据“Wastewaterhasabiginfluence(影响)onourlife.”可知,这里说的是原因,因此此处是问为什么我们必须处理废水。故选C。【7题详解】句意:我们必须关心我们的环境和我们自己的健康。work工作;interest兴趣;health健康;business商业。根据“Itcausesbothillness”可知,是我们要关注自己的健康。故选C【8题详解】句意:如果家庭废水可以重复使用。on在……上面;for为了;with和;from从。根据“homescanbereused(重复使用).”可知,此处指的是来自家庭的废水可以重复利用。故选D。【9题详解】句意:这样废水就会减

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