2025屆北京市海淀區清華大附中八下英語期末達標檢測試題滿分120分，時間90分鐘一、單項選擇（共10小題，滿分20分）1、Ifeelithardtokeepupwithmyclassmates.Butmyteachersalwaysencourageme,soIthinkIshould________.A.giveup B.carryon C.tryon D.puton2、—MustIfinishmyhomeworknow?—No,you________.Youcangohomenow.A.needn’t B.mustn’t C.shouldn’t D.can’t3、B【解析】【詳解】句意：看到一只鳥在窗邊休息，男孩悄悄地移動去看了看。考查副詞辨析。politely有禮貌地；quietly安靜地，悄悄地；safely安全地。根據“Seeingabirdrestingbythewindow”可知男孩是悄悄地移動過去。故選B。4、Ididn’thavea________,soIgaveupbuyingmyfavoritescarf.A.cent B.sign C.rock D.deal5、—Ifeel________tired________Ican’tclimbtothetopofthemountain.—It’sapitythatyoucan’tseethecloudsea.A.so;that B.such;that C.too;to6、NowadaysWeChatmakesitconvenienttocommunicate_________others.A.for B.of C.about D.with7、Shewas________ane-mailfromherfriendthewholemorning,butitdidn’tcome.A.explaining B.expressing C.experiencing D.expecting8、—Canyoutellme________?—Noworry!Icanmakeitmyself.A.ifyouneedhelptocompletetheworkB.whencanyoufinishtheworkC.whatyouneededtocompletethework9、—Whatshouldwedoforthedisabledchildren?—Youshould_________astudygrouptohelpthem.A.takeup B.lookup C.setup D.putup10、Oneofthebestwaysforpeopletokeephealthyisto________goodeatinghabits.A.grow B.develop C.improve D.find二、完成句子（共5小題，滿分10分）11、你能幫助那些有需要的人，真是太善良了。________verykind________you________________thoseinneed.12、Helikesm_________buildingsbetterthanancientones.13、Thecollectionofdollshas________________(占去)halfofmysister’sbedroom.14、bridge,long,the,about,twenty,is,meters________________________________.15、英漢互譯閱讀下面的短文，將劃線部分譯成英文或中文。ThecoldestandmostdifficultplaceintheworldtoliveisAntarctica(南極洲).ItisthelandofsnowandiceneartheSouthPole(南極).Mostpeopledonotthinkthereismuchlifeintheicywatersaroundit.Theyarewrong.Actually,therearemorethanonehundreddifferentkindsofanimalsthere.ThemostfamousanimalofAntarcticaisthepenguin(企鵝).1.HalleyBay(哈雷灣)wastheworld’ssecondlargesthomeforpenguins.However,2.企鵝現在處于極大危險中。Recently,scientistsfoundthatthenumberofpenguinshasdroppedquickly.OneofthemainreasonsisthatmanystormshitHalleyBay.3.Thousandsofbabypenguinsdiedfromtheterribleweather.Scientistsfeelworriedaboutthis.HalleyBayusedtobeasafeplaceforpenguinsbutnowitisn’t.Luckily,anotherhomeofpenguinshasgottenmuchbigger.4.為了保持安全，許多企鵝已經搬到那里了。Althoughpenguinsmayhavegreaterchancetokeepalive,theyarestillfacingthedangerofdyingout.5.Unlesswedosomething,theywon’thaveanywheretogooneday.1._____________________________________________2._____________________________________________3._____________________________________________4._____________________________________________5._____________________________________________三、補全對話（10分）16、根據下面的對話情景，在每個空白處填上一個適當的句子，使對話的意思連貫、完整。A:Goodevening,sir.WelcometoMaxim’s.___1___?B:Well,I’vebookedatablefortwounderthenameofMr.White.A:Pleasewait.Letmecheck.OK.Pleasefollowmetoyourtable.（Afterawhile,theysatdown.）A:___2___?B:OK.MywifewouldlikeafruitsaladandI’llhaveabowlofbeefsouptostartwith.Arethereanyvegetablesinthesoup?A:___3___.Andwhatsizedoyouwant?B:___4___.A:Whatelsedoyouwant?B:Letmesee.We’lltrytheRussianSteakforthemaincourse(主菜).A:Gotit.___5___B:Yes,twoglassesoforangejuice.That’sall.Thankyou.A:Youarewelcome.Haveanicemeal.四、閱讀理解（40分）17、Swans(天鵝)arealsocalledtheGreatWhiteSwans,amajorcharacteristicshapeofbirds,thegreatestlengthof1.5metersandweighingmorethan15kilogramscanbe.Theirwingspans(翼幅)canbeover3.1meters.Swansusuallyhavewhitebodyfeathers,ablackoryellowmouthandblacknose.Theyhavealongthinneck.Theyarealsoheavy-bodied,big-footedbirds.Theyarelargerthanthegeese.Immaturebirdswearmottled(斑駁的)grayorbrownfeatherfortwoormoreyears.Adultsalsohaveanunfeatheredskinbetweentheeyesandmouth.Youngswansareabletorunandswimforafewhoursaftertheywereborn,buttheyalsoneedtobecarefullylookedafterforseveralmonths.Swansmature(成熟)inthethirdorfourthyearandmaylivefor20yearsinthewildand50yearsormoreincaptivity(圈養).根據短文內容，選擇最佳答案。1.Paragraph2ismainlyaboutswans’________.A.looks B.abilities C.personalities2.Aswaninthewildmaylivefor________.A.twoyears B.morethantwoyears C.20years3.Wheredoesthepassageprobablycomefrom?A.Afilmguide. B.Astorybook. C.Ananimalmagazine.18、EarthisoftencalledtheBluePlanet.That’sbecauseaboutthree-fourthsoftheearthiscoveredbywater.Peoplethinkwearenotshortofwater.Infact,theyarewrong.Mostofthewaterissaltwater.Wecanfinditintheworld’soceans.Onlyabout3%isfreshwaterthatwecandrink.Althoughyoumightthinkthatmostofthefreshwaterontheearthisfoundinthelakesandrivers,infact,lessthan1%ofthefreshwatercanbefoundintheseplaces.Around70%oftheearth’sfreshwaterisiceinthepolar(極地的)places.Theyarefarfromus.Andthewaterthereistoughtotransport(運輸).Thesecondgreatestsource(資源)offreshwaterontheearthisundertheground.Thiskindofwateriscalledgroundwater.Placesthatdon’thavefreshwaterfromriversandlakesdependongroundwaterfordrinkingandotheruses.Groundwateralsocan’tgetawayfrompollution.Chemicals(化學制品)thatareusedinfarmingandfactoriescangetintotheground.Theearthhaslittleusablewater.Luckily,eachofuscandosomethingtosavewater.Kidsandadultsaresavingwaterwiselyintheirowncommunities(社區).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、Buyingsecond-handproductsisbecomingmorepopularthesedays.Onemillionpeoplearesellingover2millionsecond-handproductsfromclothingandbookstoelectronicproductsonXianyueveryday.Peoplehavemademoremoneyinrecentyearsandboughtmorethingsthantheyreallyneed,accordingtoaspeechgivenbyWeiYing,founderofthesecond-handbook-tradingsite.Asmorepeopleturntoaminimallifestyle,theyaresellingtheirusedproductsforcheap.Shoppersareattractedtothelowprices,aswellasthefactthatbuyingsecond-handisgoodfortheenvironment.WhenChenJunjun,22,acollegestudentinShanghai,wantstobuybooks,sheusesXianyu.Shesearchesforthebooksshewantsandadds(添加)themtohershoppingcart,justlikeTaobao.Thedifferenceisthatthebooksaremuchcheaper—asmuchas70%cheaperthannewbooks.“SinceIdon’thaveenoughspendingmoney,it’saperfectchoiceforme,”Chensaid.LotsofpeoplelikeChenarebuyingsecond-handbooks.Xianyuhasover3millionusersandsellsabout20,000second-handbookseveryday,BeijingDailyreported.Besideslowerprices,peoplecanalsofindout-of-printbooks.YanMinjun,21,isareader.ShehasboughtmanyclassicversionsofbooksonXianyu,suchasacopyofPrideandPrejudicethatwaspublishedbyPeople’sLiteraturePublishingHousein1993.“Ilookedforitforalongtime.NowIhaveit!”shesaid.Buyingoldbookscanevenconnectreaders.ZhaoKaiqi,a22-year-oldcollegestudentinHarbin,Heilongjiang,oncefoundanoteinasecond-handbookshebought.“ItsownersharedherthoughtsandhopedIwouldenjoyit.Itwassogood,”Zhaosaid.“Iwanttodothesamethinginthefuture,too.”1.Whatcanyoubuyonthesecond-handsite?A.Acamera. B.Freshfruit. C.Atrainticket. D.Medicine.2.Whichofthefollowingwordhasthesamemeaningastheunderlinedword“minimal”?A.wasteful B.simple C.poor D.rich3.Whatismakingsecond-handshoppingpopular?①Newexperience.②Safershoppingchoices.③Lowerprices.④Environmentalbenefits(效益).A.①② B.②③ C.①④ D.③④4.Ifyouwanttosellabookof￥30onthesecond-handsite,thepriceshouldbe________.A.￥10 B.￥21 C.￥4 D.￥305.What’sthemainideaofthestory?A.Second-handshoppingsitesarenew.B.Therearedisadvantagestobuyinguseditems.C.Usingsecond-handthingscanprotecttheenvironment.D.Buyingsecond-handthingsisbecomingmorepopular.20、Everyonehastheirfavoritefood.Somemightlovechocolate.Somemightlovepotatochips.Thinkaboutyourfavoritefood.Haveyoueverwonderedwhyyourfavoritefoodtastessodelicious?Theanswerisaboutyourtongue(舌頭)andnose.Therearesometastebuds(味蕾)onyourtongue.Theygiveyouthesense(感覺),therearemanytinyhaironthetastebuds.Thesetinyhairssendmessages(A)________yourbrain(大腦)abouthowsomethingtastes.Inthisway,youknow(B)________itissour(酸),sweet,bitter(苦)orsalty.personhasabout10,000tastebuds.Theykeepworkingallthetimewhenweenjoyourfood.Thetastebudsdon’talwaysstaythesame.Theyarereplaced(更新)abouteverytwoweeksorso.However,asapersongetsolder,someofthesetastebudsdon’tgetreplaced.Theoldmayonlyhave5,000workingtastebuds.That’swhysomefoodsmaytastestrongerforyouthantheydofortheold.Besidesyourtongue,yournosealsohelpsyoulearnaboutthetasteoffood.Sometimes,strongsmellscanevenconfuse(使困惑)yoursenseoftaste.Sonexttimeyouenjoysaltypizza(披薩)andsweeticecream,thankyourtongueandyournose.Withoutthesenseoftaste,lifewillbeboring.閱讀短文,根據短文內容完成下列任務。1.請根據短文內容,分別寫出(A)、(B)處所缺單詞(A)________(B)________2.閱讀短文，從短文中找出與下面句子意思相近的句子。Theyworkallthetimewhileweenjoythefood._____________________________________3.請把上文中劃線的句子翻譯成漢語。_____________________________________4.請根據短文內容回答下列問題。Howwillpeoplefeeliftheydon’thavethesenseoftasteinthelife?_____________________________________5.根據文章內容。完成短文，每空—詞。Fromthepassage,youknowthatyourtongueandyournose________youknowwellthetasteoffood.Withoutyourtongueandyournose,youwon’thavethesenseoftaste.Especially,yourtastebuds(味蕾)________sinceyouwereborn.Theyarereplaced(更新)everytwoweeks________________.However,whenyougetolder,someofyourtastebudsdon’tgetreplaced.Soolderpeoplehave________tastebudsthanyoungerpeople.That’swhysomefoodsmaytastestrongerfortheyoungthantheydofortheold.五、完形填空（10分）21、先通讀下面短文,掌握其大意,然后從A、B、C、D四個選項中選出一個可以填入相應空白處的最佳答案。先通讀短文，掌握其大意，然后從A、B、C、D四個選項中選出一個可以填入相應空白處的最佳答案。Itwasnineonacoldwinternight.Ihurriedto___1___homefromworkonmymotorbike.Atthelastcrossing,___2___Iwaswaitingforthegreenlight,Isawanoldmanwalkingtowardsme.HestoppedmeandIfeltalittle___3___becauseIdidn’tknowhim.Theoldmansaidslowly,“Excuseme.Couldyoupleasehelp___4___?”Ilookedathimupanddown.Helookedabout70yearsold.Theoldmantookouttenyuanandsaidtome,“Youseetheoldladyoverthere?She’ssellingbakedsweet___5___.Couldyoujust___6___themoneyandbuyonefromher?”Hepointedatanoldlady___7___somethingaboutfiftymetersawayoverthere.“Butwhydon’tyougoandbuyit___8___?”Iwaspuzzled（迷惑的）.Theoldmancontinued,“Thatoldladyismy___9___andit’sherfirstdaytosellbakedsweetpotatoes.JustnowIcalledher.Shetoldmethattherewasonlyonesweetpotatoleftandshewouldn’tgohomeuntil___10___thesweetpotatoesweresoldout.ButIknowthatshecan’t___11___thecoldbecauseherlegshurt.I’mveryworried___12___her.”Atthattime,I___13___whytheoldmanaskedmetobuyhiswife’ssweetpotato.Ifeltreallywarmandmoved.Withouttakingthemoney,Irodetotheoldladyquicklyandboughtthe___14___one.WhenIwaved(揮手)goodbyetotheoldman,Icouldseehimstandingtherewithathankful___15___.1.A.get B.go C.walk D.leave2.A.while B.although C.because D.unless3.A.sad B.nervous C.relaxed D.stupid4.A.it B.him C.her D.me5.A.tomatoes B.cakes C.potatoes D.bananas6.A.send B.lend C.bring D.take7.A.selling B.tasting C.cooking D.making8.A.myself B.yourself C.herself D.himself9.A.cousin B.sister C.wife D.friend10.A.every B.none C.all D.neither11.A.stand B.change C.believe D.fear12.A.in B.to C.about D.at13.A.imagined B.understood C.forgot D.meant14.A.first B.second C.next D.last15.A.smile B.day C.call D.life六、閱讀表達（10分）22、Everymorningyougetup,washyourface,brushyourteeth,eatbreakfastandgetreadyforyourday.Thedailyactionsaresocommonthatyoudon’tthinkaboutthemmuch.Butwhatifyouwereinspace?Whenastronautsareinspace,theyeat,sleep,wash,workandplay.Theydothesamethingsasus,buttheydothemdifferently.OnEarth,weputfoodonaplateandwaterinaglass.Gravity（引力）holdsthefooddownandkeepsthewaterintheglass.Butinspace,thereisalmostnogravity.Sofoodcanmovesslowlyintheair,andastronautsmusteatanddrinkcarefully.Theyhavespecialplatessothattheirfooddoesn’tfloataway.Theyusespecialbagsfordrinkssothatthedrinkstaysinside.Sleepingisverydifficultinspace.Someastronautsliketomoveintheair,butmostliketobeinasleepingbag.Theytiethebagstoawallsothattheydon’tflyintheairatnight.Thesunrisesandsetssooftenthattheastronautsuseaclockormusictowakethemup.Exerciseisveryimportantinspace.OnEarth,yourlegscarryyourbody,butinspace,astronautsflyintheair,sotheydonotusetheirlegs.Thisisverybadfortheirlegs.Sotheymustexerciseforthirtyminuteseveryday.Theyoftenuseanexercisebicycleforthis.Afteraday’swork,astronautsrelax.Theymaylistentomusic,read,watchfilms,playgames,ortalktotheirfriendsandfamiliesonradio.Themostpopularpastimeislookingoutofthewindow,lookingatthespaceandwatchingtheearth.1.Wheredoastronautsputtheirdrinksinspace?______________________________________2.Howlongmustastronautsexerciseeverydayinspace?______________________________________3.請將文中畫線的句子翻譯成漢語。______________________________________4.請給短文擬一個適當的英文題目。______________________________________七、書面表達（20分）根據所提供的圖畫情景，寫出5個與圖畫主題相關的完整句子。56.A:What’sthematterwithyou,Jack?B:________________________.

參考答案一、單項選擇（共10小題，滿分20分）1、B【解析】【詳解】句意：我覺得很難跟上我的同學。但是我的老師總是鼓勵我，所以我認為我應該繼續下去。考查動詞短語辨析。giveup放棄；carryon繼續；tryon試穿；puton穿上。根據“Butmyteachersalwaysencourageme,soIthinkIshould”可知，在老師的鼓勵下應該繼續下去，故選B。2、A【解析】【詳解】句意：——我必須現在完成我的作業嗎？——不，你不必。現在你可以回家。考查must的用法。needn’t不需要；mustn’t禁止；shouldn’t不應該；can’t不能。由must引導的一般疑問句，否定回答由“needn’t”或“don’thaveto”來構成。故選A。3、Thedolphin’sskinseemsmuch________thanthecrocodile’s.A.smarter B.stricter C.smoother4、A【解析】【詳解】句意：我身無分文，所以我放棄了買我最喜歡的圍巾。考查名詞辨析。cent分幣；sign標志；rock石頭；deal交易。根據“soIgaveupbuyingmyfavoritescarf.”可知因為自己沒有錢，所以沒有買最喜歡的圍巾，此處是強調自己身無分文，故選A。5、A【解析】【詳解】句意：——我覺得太累了，無法爬到山頂。——很遺憾你看不到云海了。考查連詞辨析。so…that…如此……以致于……，so修飾形容詞或副詞；such…that…如此……以致于……，such修飾名詞；too…to…太……而不能……。根據語境可知，表達的是“如此累，以致于爬不到山頂”，且修飾形容詞tired，所以應填so;that。故選A。6、D【解析】【詳解】句意：如今，微信讓與他人交流變得更加方便。考查介詞辨析。for為了；of……的；about關于；with和。communicatewithsb“和某人交流”，固定短語。故選D。7、D【解析】【詳解】句意：她整個上午都在等她朋友的電子郵件，但沒有發來。考查動詞辨析。explain解釋；express表示；experience經歷；expect期待。由下文“butitdidn’tcome.”可知，她整個早上在期待一個來自朋友的郵件，故選D。8、A【解析】【詳解】句意：——你能告訴我你是否需要幫助來完成這項工作嗎？——不用擔心！我可以自己做。考查賓語從句。ifyouneedhelptocompletethework你是否需要幫助來完成這項工作；whencanyoufinishthework你什么時候能完成這項工作；whatyouneededtocompletethework你需要什么來完成工作。根據“Canyoutellme”可知，此處是賓語從句，故應該用陳述語序，故排除B項。根據答語“Noworry!Icanmakeitmyself.”可知，此處表示“是否需要幫助”，故選A。9、C【解析】【詳解】句意：——我們應該為殘疾兒童做些什么？——你應該成立一個學習小組來幫助他們。考查動詞短語。takeup占據；lookup查閱；setup創建；putup張貼。由空格后“astudygroup”可知，應該是成立一個學習小組。故選C。10、B【解析】【詳解】句意：人們保持健康的最好的方法之一是養成良好的飲食習慣。考查動詞辨析。grow長大；develop逐漸養成；improve提高；find發現。根據“goodeatinghabits.”可知，應是養成良好的飲食習慣。“養成習慣”用developahabit/habits來表示。故選B。二、完成句子（共5小題，滿分10分）11、①.It’s②.of③.to④.help【解析】【詳解】某人做某事對某人來說是……：It’sadj.ofsb.todosth.，形容詞是形容人的品格；幫助：help。故填It’s；of；to；help。12、(m)odern【解析】【詳解】句意：比起古建筑，他更喜歡現代建筑。根據“buildingsbetterthanancientones”結合首字母m可推出，古建筑對應的應是現代建筑，此處用形容詞modern，表示“現代的”。故填(m)odern。13、①.taken②.up【解析】【詳解】句意：收集的娃娃已經占據了我姐姐臥室的一半。根據漢語“占去”提示，應是takeup，結合語境和“has”可知，此句是現在完成時，所以動詞是過去分詞，所以是takenup。故填taken；up。14、Thebridgeisabouttwentymeterslong【解析】【詳解】根據所給的標點可知應用陳述句形式，分析所給的單詞，thebridge作主語；is作謂語；abouttwentymeterslong作表語。故填Thebridgeisabouttwentymeterslong“這座橋大約二十米長”。15、1.哈雷灣是世界第二大企鵝的家園/棲息地。2.penguinsarenowingreatdanger.3.成千上萬只企鵝寶寶死于惡劣的天氣。4.Inordertokeepsafe,manypenguinshavemovedthere.5.除非我們做點什么，（否則）總有一天它們將會無處可去。【解析】【導語】本文介紹了南極洲的企鵝的生存現狀，并呼吁人們行動起來保護它們。【1題詳解】HalleyBay哈雷灣，wastheworld’ssecondlargesthomeforpenguins是世界第二大企鵝的家園/棲息地。故填：哈雷灣是世界第二大企鵝的家園/棲息地。【2題詳解】penguins企鵝，now現在，beingreatdanger處于極大危險中。本句時態是一般現在時，主語是復數，be動詞用are。故填penguinsarenowingreatdanger.【3題詳解】Thousandsofbabypenguins成千上萬只企鵝寶寶，diedfrom死于，theterribleweather惡劣的天氣。故填：成千上萬只企鵝寶寶死于惡劣的天氣。【4題詳解】inorderto為了，keepsafe保持安全，manypenguins許多企鵝，havemovedthere已經搬到那里了。故填Inordertokeepsafe,manypenguinshavemovedthere.【5題詳解】Unless除非，we我們，dosomething做些事，they它們，won’thaveanywheretogo將會無處可去，oneday總有一天。故填：除非我們做點什么，（否則）總有一天它們將會無處可去。三、補全對話（10分）16、1.WhatcanIdoforyou/CanIhelpyou2.MayItakeyourorder3.Yes,there’resomecarrotsinthesoup/…4.Alarge/medium/smallbowl,please5.Wouldyoulikesomethingtodrink【解析】【導語】本文是一則懷特先生和他的妻子在一家餐館里，向服務員點餐的對話。【1題詳解】根據“WelcometoMaxim’s.”可知，此處是服務員招待顧客的對話。故填WhatcanIdoforyou/CanIhelpyou。【2題詳解】根據“OK.MywifewouldlikeafruitsaladandI’llhaveabowlofbeefsouptostartwith.Arethereanyvegetablesinthesoup?”可知，此處是服務員的話，問句句意為：我可以為你們點餐了嗎？譯為MayItakeyourorder?故填MayItakeyourorder。【3題詳解】根據“Arethereanyvegetablesinthesoup?”以及“Andwhatsizedoyouwant?”可知，湯里有蔬菜。故填Yes,there’resomecarrotsinthesoup/…。【4題詳解】根據“Andwhatsizedoyouwant?”可知，此處是對大小的回答。故填Alarge/medium/smallbowl,please。【5題詳解】根據“Yes,twoglassesoforangejuice.”可知，此處是問你想喝點什么。故填Wouldyoulikesomethingtodrink。四、閱讀理解（40分）17、1.A2.C3.C【解析】【導語】本文是一篇說明文，主要介紹了天鵝的相關特征。【1題詳解】段落大意題。根據第二段中的“feathers,mouth,nose,neck,skin”等詞可知，第二段主要描述的是天鵝的外表特征。故選A。【2題詳解】細節理解題。根據最后一段中的“Swansmature(成熟)inthethirdorfourthyearandmaylivefor20yearsinthewildand50yearsormoreincaptivity(圈養)”可知，天鵝在野外可以存活20年，故選C。【3題詳解】推理判斷題。通讀全文可知，本文主要介紹了天鵝的相關特征，天鵝屬于動物，所以本文來源于動物雜志，C項符合題意。故選C。18、1.B2.C3.A4.D5.B【解析】【導語】本文主要講述了地球上的淡水來源以及呼吁大家節約用水。【1題詳解】細節理解題。根據“That’sbecauseaboutthree-fourthsoftheearthiscoveredbywater.”可知地球的四分之三被水覆蓋，也就是75%，故選B。【2題詳解】詞義猜測題。根據“Around70%oftheearth’sfreshwaterisiceinthepolar(極地的)places.Theyarefarfromus.”可知地球上大約70%的淡水是極地地區的冰，離我們很遠，所以很難運輸，tough和difficult同義，故選C。【3題詳解】細節理解題。根據“Groundwateralsocan’tgetawayfrompollution.Chemicals(化學制品)thatareusedinfarmingandfactoriescangetintotheground.”可知化學制品可以污染地下水，故選A。【4題詳解】細節理解題。根據“Around70%oftheearth’sfreshwaterisiceinthepolar(極地的)places.Theyarefarfromus.”可知地球上大約70%的淡水是極地地區的冰。故選D。【5題詳解】主旨大意題。根據“Theearthhaslittleusablewater.Luckily,eachofuscandosomethingtosavewater.Kidsandadultsaresavingwaterwiselyintheirowncommunities(社區).Ifweworktogether,wewillhaveabetterworld.”（地球上幾乎沒有可用的水。幸運的是，我們每個人都可以做一些事情來節約用水。在他們自己的社區里，孩子和成年人都在明智地節約用水。如果我們共同努力，我們將擁有一個更美好的世界。）可知作者寫這篇文章是為了讓人們節約用水，故選B。19、1.A2.B3.D4.A5.D【解析】【導語】本文是一篇說明文，本文以二手書為例，介紹了現在二手商品交易越來越受歡迎。【1題詳解】推理判斷題。根據第一段“Onemillionpeoplearesellingover2millionsecond-handproductsfromclothingandbookstoelectronicproductsonXianyueveryday.”可知，在閑魚上出售二手商品，有服裝、書籍和電子產品。由此推知在二手網站能買到相機，買不到新鮮水果、火車票和藥品。故選A。【2題詳解】詞義猜測題。wasteful浪費的；simple簡單的；poor窮的；rich有錢的。根據“theyaresellingtheirusedproductsforcheap.”可知，他們正在以低廉的價格出售二手產品。由此可知，越來越多的人轉向簡單的生活方式。minimal的意思與simple相同，故選B。【3題詳解】細節理解題。根據第二段“Shoppersareattractedtothelowprices,aswellasthefactthatbuyingsecond-handisgoodfortheenvironment.”可知，購物者被低廉的價格以及購買二手商品對環境有益的事實所吸引。故選D。【4題詳解】細節理解題。根據第三段“Thedifferenceisthatthebooksaremuchcheaper—asmuchas70%cheaperthannewbooks.”可知這些書要比新書便宜70%，所以30元的書在二手網站的出售價格約為10元。故選A。【5題詳解】主旨大意題。通過全文可知，本文以二手書為例，介紹了現在二手商品交易越來越受歡迎。故選D。20、1.①.to②.whether2.Theykeepworkingallthetimewhenweenjoyourfood.3.那就是為什么有些食物對你來說可能比對老年人來說味道更濃。4.Theywillbeboring.5.①.help②.formed③.or④.so⑤.weaker【解析】【導語】本文是一篇說明文，科普了舌頭和鼻子是如何幫助我們感知味道的。【1題詳解】(A)句意：這些細小的毛發向你的大腦發送關于食物味道的信息。根據“send”，可知此處是短語“send…to…”，意為“發送……到……”，故第一空填to；(B)句意：這樣，你就知道它是酸的、甜的、苦的還是咸的。根據空后“sour(酸),sweet,bitter(苦)orsalty.”四種味道，可知此處是表示一種“判斷”，“whether”意為“是否”，引導賓語從句，故第二空填whether，故填to；whether。【2題詳解】題干句意：當我們享用食物時，他們一直在工作。根據文章第二段“Theykeepworkingallthetimewhenweenjoyourfood.”，意為“當我們享用食物時，他們一直在工作。”，可知與之意思相近，故填Theykeepworkingallthetimewhenweenjoyourfood.【3題詳解】That’swhy“那就是為什么”；somefood“一些食物”；maytaste“也許嘗起來”；strongerthan“比……更濃”，比較級用法；foryou“對你”；“theydo”代指上文“somefoodsmaytaste”；theold表示“老年人”；故填：那就是為什么有些食物對你來說可能比對老年人來說味道更濃。【4題詳解】根據最后一段“Withoutthesenseoftaste,lifewillbeboring.”，可知沒有味覺，生活會很無聊，故填Theywillbeboring.【5題詳解】根據原文“Haveyoueverwonderedwhyyourfavoritefoodtastessodelicious?Theanswerisaboutyourtongue(舌頭)andnose.”，可知舌頭和鼻子對感知味道是有幫助的，故第一空填help；根據空后“sinceyouwereborn”，可知指“自從你出生你的味蕾就形成了”，“formed”意為“形成”，過去式，故第二空填formed；根據原文“Theyarereplaced(更新)abouteverytwoweeksorso.”意為“它們大約每兩周左右更新一次。”，故第三、四空填or、so；根據原文“That’swhysomefoodsmaytastestrongerforyouthantheydofortheold.”，可知年輕人比老年人味覺更強，所以此處正好相反，指“老年人的味蕾比年輕人更弱”，“stronger”的反義詞是“weaker”，故第五空填weaker。故填help；formed；or；so；weaker。五、完形填空（10分）21、1.B2.A3.B4.D5.C6.D7.A8.B9.C10.C11.A12.C13.B14.D15.A【解析】【導語】本文講述在一個寒冷的冬天的晚上，在我下班回家的途中，一個老人攔下我，遞給我十元錢讓我去距離不遠的攤位那里將最后一個烤甜土豆買下。原來那個女人是他的妻子，他的妻子腿受傷了，這個老人很擔心她。最后我沒有拿老人的錢，用自己的錢買下了烤甜土豆，這個老人十分感激。【1題詳解】句意：我騎著摩托車匆匆下班回家。get“得到”；go“去”；walk“走路”；leave“離開”。gethome“到家”，gohome“回家”。根據“Iwaswaitingforthegreenlight”可知，表示“回家”，故選B。【2題詳解】句意：在最后一個十字路口，當我正在等綠燈時，我看到一個老人正朝我走來。while“當……時候”；although“盡管”；because“因為”；unless“除非”。根據“Isawanoldmanwalkingtowardsme”可知，表示“當我正在等綠燈時”，故選A。【3題詳解】句意：他攔下我，我感到有一點緊張，因為我不認識他。sad“悲傷的”；nervous“緊張的”；relaxed“放松的”；stupid“愚蠢的”。根據“Hestoppedme...becauseIdidn’tknowhim”可知，被一個不認識的人攔下，應該是緊張的，故選B。【4題詳解】句意：這個老人慢慢地說：“打擾一下，你能幫助我嗎？”。it“它”；him“他”；her“她”；me“我”。根據“Couldyoujusttakethemoneyandbuyonefromher”可知，這個老人給我錢，讓我去買那個老太太的烤甜土豆，所以這個老人應該說“你能幫助我嗎？”，故選D。【5題詳解】句意：這個老人拿出十元錢并對我說：“你看到那邊那個老太太了嗎？她正在賣烤甜土豆。你能拿這個錢從她那里買一個嗎？”tomatoes“西紅柿”；cakes“蛋糕”；potatoes“土豆”；bananas“香蕉”。根據“it’