陜西省工大、鐵一、交大2025年英語七下期中檢測模擬試題滿分120分，時間90分鐘一、單項選擇（共10小題，滿分20分）1、Thereisabasketballgame________Class3andClass4ontheplaygroundat4:00thisafternoon.A.of B.both C.between2、Jimisafunnyboy.Heisgood________tellingjokes.A.with B.at C.for D.of3、Look!There________aschoolbagandsomeballsontheplayground.A.are B.has C.is4、Heisalwaysready________others.A.help B.tohelp C.helping D.helps5、—Willhegowithustomorrow?—________.A.That’sagoodidea B.I’mnotsure C.Haveagoodtime6、Thegamewascalledoffbecauseofbadweather.A.asaresultof B.asaresult C.suchas7、—Sara,areyoua________oftheEnglishClub?—Yes.Ijoinedtheclublastweek.A.joke B.teacher C.member8、Allthehumanbeingsshouldstop________theworld.A.polluting B.polluted C.pollution D.pollute9、Workhard,________youwon’tbeabletofinishthetaskaheadoftime.A.and B.so C.or D.but10、Therearealotofchildren________basketballontheplayground.A.play B.playing C.toplay二、完形填空（10分）11、

通讀該下面短文，掌握其大意，然后在每小題所給的四個選項中選出一個最佳答案。并將答題卡對應(yīng)題目所選的選項涂黑。Tonyisamiddleschoolstudent.Heisa(n)____1____boy.Hismothersaysthatheneedsto____2____,buthesaysit’sdifficultforafatboy.Onhisschooldays,heusuallygetsupat7:00am,andthenhe____3____histeeth.Afterthat,heeatsa____4____breakfast.Thenhegoestoschoolathalfpastseven.Atteno’clock,theyhaveabreak(休息).Hisclassmateseitherplayping-pongorplaybasketball,buthe____5____they’reboring.Heisalwaysintheclassroom.Tony’sfatherisillinhospital(醫(yī)院)andhis____6____mustlookafter(照顧)himthere.SoTonystarts(開始)toplaycomputer____7____atnight.Hecan’tgetupontimethe____8____day.Hehasnotimeforbreakfastandhedoesn’tlook____9____.HisteacherMrGreenknowsthatand_____10_____withTony,“Youmustcareabout(關(guān)心)yourparentsandlookafteryourself.”“I’msorryMrGreen.Iwilldotherightthing,”Tonysays.1.A.fat B.green C.right D.old2.A.speak B.exercise C.buy D.teach3.A.brushes B.sells C.takes D.excuses4.A.busy B.same C.quick D.funny5.A.sings B.spells C.joins D.thinks6.A.sister B.mother C.cousin D.classmate7.A.numbers B.watches C.games D.stores8.A.last B.next C.first D.middle9.A.big B.easy C.small D.fine10.A.talks B.works C.runs D.cleans三、完成句子（共5小題，滿分10分）12、對我來說，照顧兩個小孩子是很辛苦的。_________veryhardformeto__________________oftwolittleboys.13、到圖書館花費多長時間？__________togettothelibrary?14、朱莉喜歡在學(xué)校交朋友。Julielikesto________atschool.15、李老師總是幫我學(xué)習(xí)英語。MissLialways________me________myEnglish.16、Theice-cream________(嘗起來)good.四、閱讀理解（40分）17、配對閱讀左欄是五個人遇到的難題或困惑，右欄是七條建議，請為每個人選擇最適合的一條建議，并把它的字母編號寫在左邊的括號內(nèi)。____1____Peterwillhaveachemistryexperiment(化學(xué)實驗)intheclassroom.Thisishisfirsttimetogototheroom.____2____Jimwillhaveacomputerlessonthisafternoon.Hefeelsterriblebecausehedoesn’tknowwhattodointhelesson.____3____Marylearnstoplaythepiano.Shealwayspracticesplayingitafterclassintheclassroom.Sheneedstochecktheclassroombeforeleaving.____4____JanewantstoplaywithherfriendsonFridaynight.Andtheywillhaveaparty.____5____Jack’slittlebrotherwantstoeatanappleafterhecomesbackhome.A.Don’tcomehereifthereisnoteacher.It’sdangeroustohavechemistryexperiments.Waituntiltheteacherarrives.Youmustn’tcomeintotheroombeforetheteacherarrives.B.Listentotheteachercarefully.Whattheteachersaysisveryimportant.Pleasedoastheteachertellsyou.Don’ttouchanythingelseuntilyourteachertellsyou.C.Dothehouseworkwellwhenyoufinishyourhomework.Yourparentsaresobusy.Youshoulddosomethingtohelpthem.D.Turnoffthelightsandclosethedoorsbeforeyouleaveyourclassroom.Youhavetomakesureallthewindowsanddoorsareclosed.E.Washyourhandsbeforeeating.Pleasewashthemtokeepthemclean.It’sveryimportanttokeephealthy.F.Youhavetogobackhomebefore10:00p.m.Tellyourparentswhereyougoandwhoplayswithyou,andremembertotellthemwhatyouaregoingtodo.G.Youmaybeintroubleifyoudon’tlistentotheteacher.Yourteacherwillshowyouhowtousethecomputer.18、Theatmosphere(大氣層)onMarsismostlymadeofcarbondioxide(二氧化碳).Itisalso100timesthinnerthanEarth’satmosphere,soevenifitwassimilartotheairhere,humanswouldn’tbeabletobreathe.IfwewanttosendastronautstoMars,theyhavetobringtheirownoxygen.Oxygenisalsoimportanttomostrocketfuels.SoifastronautswanttocomebacktotheEarth,theyhavetocarrymuchmoreoxygenwiththemontheirwholejourney.NASAsaysthatgetting4astronautshomefromMarswouldtakeabout25tonnesofoxygen.ItisveryexpensivetocarryanythingtoMars,soeverygramcounts.ProducingoxygenonMarsisasteptowardssolvingbothofthoseproblems.Scientistshaveinventedatypeofmachine.ThemachinetakesincarbondioxidefromtheatmosphereonMarsandheatsitto800oC,allowingittogiveoutoxygen.Theexperiment’sfirsttestproducedabout5gramsofoxygenandastronautscanuseittobreatheforabout10minutes.Thisexperimentcanonlyproduceabout10gramsofoxygenperhour,butitwillbebetterinthefuture.Overthenextyear,itisexpectedtorunatleastninemoreexperiments,totestitduringdifferenttimesofdayandseasons,whenconditionsoftheatmosphereonMarschange.1.Therearelotsof________intheatmosphereonMars.A.oxygen B.carbondioxide C.unknowncomposition D.harmfulgases2.Ifgetting8astronautshomefromMars,about________tonnesofoxygenwouldbetaken.A.4 B.25 C.8 D.503.Thepurposeofthispassageisto________theexperiment.A.advisedoing B.disagreeon C.introduce D.argue19、InthenortheastofItaly,Veniceisknownasafloatingcity,butVeniceisnotonesingleisland.Itismadeupofover100islandsconnectedbywaterwaysandbridges.WaterisabigpartoflifeinVenice.Theboatisthemostcommonwaytotravel.Youcanseeatraditionalboatcalleda“gondola”inVenice.Unfortunately,waterputsVeniceindanger.SaltwaterisslowlydamagingthebasesofVenicebuildings.SoVeniceissinking.Eachwinter,thefloodmakesitworse.Buttheseworrieswillpasswithanewprogram.VeniceisinthemiddleoftheLagoonwiththreenaturalgapstothesea.Rainandstrongwindsmakeseawatertravelthroughthegaps.Theyhavebuiltdozensofgatestoholdbackthesea.Eachofthesegatesis20meterswideand30meterslong,andthegateswillberaisedtoseparatethecityfromthesea.Butonlytimewilltellifthisprojectisright.However,ifyouwanttovisitVenice,youhavetobeearlier.TheinternationalatmosphereismakingVenicebecomeanormalcityinrecentyears.Themotorspeedboatisreplacingthegondola.MoreandmorefastfoodcanteenslikeMcDonald’sareonthesmallstreetsinsteadoftraditionalglass-makingshops,maskshopsandpotty(陶器)toyshops.Butstill,whenyouareholdingapapercupofcoffeefromthefamousHarry’sbarlikeHemingway(海明威),orenjoyingthesunsetontheGrandCanal(大運河),youcanunderstandwhatis“ThesmelloftheRenaissance”.1.WhichcountryisVenicelocatedin?A.America. B.Australia. C.Italy. D.China.2.HowmanyislandsisVenicemadeupof?A.Over100. B.Over200. C.Over300. D.Over400.3.Whathavebeenbuilttoholdbackthesea?A.Pottytoysshop. B.Maskshop. C.Glass-makingshop. D.Dozensofgates.4.TheauthoradvisesthevisitorstovisitVeniceearlier________.A.becauseitisgoodforVenice B.becauseVeniceischangingfasterandfasterC.becauseVenicewillbeworseandworse D.becauseitisbadforVenice20、PeopleoftenthinkoftheNorthPole(北極)andtheSouthPoleassimilarfrozen(冰凍的)wastelands.Theyarebothplaceswithverylowtemperaturesandfewpeoplelivethere.However,theNorthandSouthPolesarenotmuchalikeaspeoplemayimagine.TheNorthPolehasnoland,onlythickice.Temperatureshardlyevergoabove32°F,atwhichwaterturnsintoice.Mostofthetime,itstaysbelowzero.Inwintertemperaturesareusuallyaslowas-30°F.Althoughconditionswereverypoor,peopletriedformanycenturiestoreachtheNorthPole.About100yearsago,twomen,RobertPearyandMathewHenson,wereabletogettothisenvironmentfulloftroublesanddifficulties.TheyreachedtheNorthPoleonMarch8th,1909.Itwasreallyahardtripforthem.TherearefewthingsmoredangerousthancrossingtheArctic(北極)onfoot.Peoplewhostayedtheremayfacemanyproblems:verylowtemperatures,suddenstorms,andevenhunger.Mostoftheareaisuninhabited.Fewpeoplecanliveinsuchadifficultplace.Peoplemightthinkthatwithsuchlowtemperaturesformostoftheyear,theicewouldbethickandhard.However,thisisnottrueintheArctic.Themovementoftheoceanwaterundertheicemayoftencausemanydifferentchangesonthesurface.Sometimestheicebreaksintotwoopeninglanesofwater(水道)called“l(fā)eads”.Anyonewhofallsintoaleadcanbefrozentodeathinafewminutes.1.Thispassageisprobablyfrom________.A.abookreview B.asciencebook C.aschoolreport D.acomputermagazine2.Accordingtothepassage,whathappenedabout100yearsago?A.TwomensucceededingettingtotheNorthPole.B.TemperaturesintheNorthPolewentabove32°F.C.TheenvironmentintheNorthPolesuddenlybecameworse.D.TheNorthPolechangedintothickicebecauseofthetemperatures.3.Whatdoestheunderlinedword“uninhabited”probablymeaninChinese?A.氣候惡劣的 B.充滿危險的 C.困難重重的 D.無人居住的4.Thereasonfortheicetobreakintotwoopeninglanesofwateris________.A.thatthetemperaturesuddenlydrops B.thatthewaterundertheiceisfrozenC.thattheoceanwaterundertheicemoves D.thatthesurfaceiscoveredwithlotsofice五、補全對話（10分）21、

請通讀下面對話，根據(jù)對話內(nèi)容，從選項中選出能填入空白處的最佳選項，并將答題卡上對應(yīng)題目所選的選項涂黑，選項中有一項為多余選項。W:Hello?M:Hi.AreyouEmily?____1____W:Yes.Areyouinterestedinmyguitarlessons?M:____2____W:Thelessonsareeveryday,fromMondaytoFriday.M:Great!____3____W:Letmesee…I’mfreeonTuesdaysfromfourtofiveo'clock,andonThursdaysfromsixtoseveno'clock.M:Mmm.____4____W:OK.TheclassesareatmyhouseonJacksonStreet.M:Oh,yes,that’snexttomyschool.____5____W:They’renotexpensive.Theclassisforonehourandit’sonly…A.Andhowmucharethelessons,please?B.Yes,butwhatdaysarethey?C.Haveagoodtime.D.Theguitarteacher?E.Tuesdaysarebetterforme,Ithink.F.I’mfreeonTuesdaysandThursdays.六、閱讀表達(dá)（10分）22、

請閱讀下面這封郵件，根據(jù)所提供的信息，Lifeinthefuturewillbedifferent.Manychangeswillhappen.Butwhatwillthechangesbe?Therewillbemorepeopleintheworldandmostofthemwilllivelongerthanpeoplelivenow.Computerswillbemuchsmallerandmoreuseful,andtherewillbeatleast(至少)oneineveryfamily.Andcomputerstudieswillbeoneofthemostimportantsubjectsinschoolsthen.Peoplewillworkfewerhoursthantheydonow,andtheywillhavemorefreetimeforsports,watchingTVandtravel.Travelingwillbemuchcheaperandeasier.Andmorepeoplewillgotoothercountriesforholidays.Therewillbechangesinourfood,too.Morelandwillbeusedforbuildingnewtownsandhousesforallthepeople.Thentherewillbelessroomforcowsandsheep,someatwillbemoreexpensive.Maybenoonewilleatiteveryday.Maybetheywilleatmorefruitandvegetablesinstead.Maybepeoplewillhaveahealthierlife.Workinthefuturewillbedifferent,too.Robotswilldodangerousandhardwork.Becauseofthis,manypeoplewillnothaveenoughworktodo.Thiswillbeaproblem.1.Whatisthechangeaboutthenumberofpeopleinthefuture?_____________________________________________________________2.Whatwillbeoneofthemostimportantsubjectsinschools?_____________________________________________________________3.Wherewillmorepeoplegofortheirholidays?_____________________________________________________________4.Whatwillpeopleeatmoreinthefutureifmeatismoreexpensive?____________________________________________________________5.Whywillpeoplenothaveenoughworktodointhefuture?____________________________________________________________七、書面表達(dá)（20分）一個學(xué)年過去了，班主任老師準(zhǔn)備重新選舉班干部。假如你是Tommy，你很想競選體育委員PEmonitor一職，請按下表提供的信息，用不少于60詞的英語，準(zhǔn)備演講稿自我推薦。演講稿必須包含以下提供的所有信息，并拓展2點相關(guān)的個人優(yōu)點，以便獲取更多的票數(shù)。開頭句子已經(jīng)給出，不算入總詞數(shù)。TommyAboutmyselftallstronghealthyBegoodatdoingsportrunfastplaymostball-gameslovefootballgetthebestscore（分?jǐn)?shù)）ineverymatchIcandofortheclass……請補充至少一點注意：1.作文內(nèi)容必須包含表格中所提示的所有信息，可以按需要適當(dāng)補充拓展。2.請用不少于60詞的英文單詞完成你所需要寫的部分，已經(jīng)給出的內(nèi)容不算入總詞數(shù)。3.請在答卷規(guī)定范圍內(nèi)寫作，超出范圍的內(nèi)容無效。4.作文中不可透露自己的真實姓名和學(xué)校。Goodmorningdearclassmates.TodayIamheretogiveaspeechand__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________.

參考答案一、單項選擇（共10小題，滿分20分）1、C【解析】【詳解】句意：今天下午4點在操場上3班和4班有一場籃球賽?？疾榻樵~辨析。of……的；both兩者都；between在……之間。根據(jù)“Class3andClass4”可知，此處表示在兩者之間，應(yīng)用“between...and...”。故選C。2、B【解析】【詳解】句意：吉姆是一個有趣的男孩。他擅長講笑話?？疾榻樵~辨析。with和；at在；for為了；of……的。根據(jù)“Jimisafunnyboy.Heisgood…tellingjokes.”可知，此處指吉姆擅長講笑話，begoodatdoingsth.“擅長做某事”。故選B。3、C【解析】【詳解】句意：看！操場上有一個書包和一些球?？疾橹髦^一致。此處是therebe句型，此處動詞用be動詞，應(yīng)與“aschoolbag”一致，be動詞應(yīng)用is，故選C。4、B【解析】【詳解】句意：他總是樂于助人?？疾閯釉~不定式。bereadytodosth.“樂意做某事”，故選B。5、B【解析】【詳解】句意：——他明天會和我們一起去嗎？——我不確定?？疾榍榫敖浑H。That’sagoodidea好主意；I’mnotsure我不確定；Haveagoodtime玩得開心。根據(jù)“Willhegowithustomorrow?”可知，此處為詢問，“I’mnotsure”符合題意，故選B。6、A【解析】【詳解】句意：由于天氣不好，比賽取消了?？疾榻樵~短語。asaresultof由于；asaresult結(jié)果；suchas例如。根據(jù)“Thegamewascalledoffbecauseofbadweather.”可知，比賽取消是因為天氣不好，becauseof意為“因為，由于”，與A選項同義。故選A。7、C【解析】【詳解】句意：——薩拉，你是英語俱樂部的成員嗎？——是的。我上周加入了俱樂部?？疾槊~辨析。joke玩笑；teacher老師；member成員。根據(jù)“Yes.Ijoinedtheclublastweek.”可知，問句是問是否是俱樂部成員，故選C。8、A【解析】【詳解】句意：所有的人類應(yīng)該停止污染世界?？疾榉侵^語動詞。pollution污染，名詞；pollute污染，動詞。stopdoingsth.“停止做某事”，stoptodosth.“停止做另一件事”；根據(jù)“Allthehumanbeingsshouldstop...theworld.”可知，此處指停止污染世界，應(yīng)用stopdoing。故選A。9、C【解析】【詳解】句意：努力工作，否則你不能提前完成任務(wù)。考查并列連詞辨析。and和；so因此；or或者；but但是。根據(jù)“Workhard,...youwon’tbeabletofinishthetaskaheadoftime.”可知，要努力工作，否則不能提前完成任務(wù)。故選C。10、B【解析】【詳解】句意：這有很多孩子在操場上正在打籃球。考查非謂語動詞辨析。play玩，為動詞；playing正在玩，為現(xiàn)在分詞；toplay去玩，為todo不定式。根據(jù)“Thereare”可知，空處用現(xiàn)在分詞，表示孩子們正在玩。故選B。二、完形填空（10分）11、1.A2.B3.A4.C5.D6.B7.C8.B9.D10.A【解析】【導(dǎo)語】本文主要介紹了托尼是一個胖男孩，他也不想鍛煉。他爸爸生病住院，他媽媽要照顧他爸爸，他一個人在家時，熬夜玩游戲，導(dǎo)致第二天精神不好，他的老師找他談話，他意識到了錯誤并決定做正確的事情。【1題詳解】句意：他是一個胖男孩。fat胖的；green綠色的；right正確的；old老的。根據(jù)“hesaysit’sdifficultforafatboy.”可知他是一個胖男孩。故選A?！?題詳解】句意：他媽媽說他需要鍛煉。speak說；exercise鍛煉；buy買；teach教。根據(jù)“buthesaysit’sdifficultforafatboy”可知他有點胖，所以他媽媽讓他鍛煉。故選B。【3題詳解】句意：在學(xué)生時代，他通常早上7點起床，然后刷牙。brushes刷；sells賣；takes帶走；excuses原諒。根據(jù)“histeeth”可知是刷牙。故選A。【4題詳解】句意：之后，他迅速吃早餐。busy忙碌的；same同樣的；quick快速的；funny有趣的。根據(jù)“eatsa...breakfast”可知是快速吃完早餐去上學(xué)。故選C?！?題詳解】句意：他的同學(xué)要么打乒乓球，要么打籃球，但他覺得它們很無聊。sings唱歌；spells拼寫；joins參加；thinks認(rèn)為。根據(jù)“he...they’reboring”可知他認(rèn)為那些運動很無聊。故選D?！?題詳解】句意：托尼的父親病在醫(yī)院，他的母親必須在那里照顧他。sister姐妹；mother媽媽；cousin堂兄弟；classmate同學(xué)。根據(jù)“Tony’sfatherisillinhospital(醫(yī)院)andhis”可知他爸爸生病住院，他媽媽要照顧他爸爸。故選B。【7題詳解】句意：所以托尼開始在晚上玩電腦游戲。numbers數(shù)字；watches手表；games游戲；stores商店。根據(jù)“playcomputer”可知是玩電腦游戲。故選C?！?題詳解】句意：第二天他不能準(zhǔn)時起床。last最后的；next下一個；first第一；middle中間的。根據(jù)“Hecan’tgetupontimethe...day”可知晚上玩游戲，第二天不能準(zhǔn)時起床，thenextday“第二天”。故選B?！?題詳解】句意：他沒有時間吃早餐，而且看起來不太好。big大的；easy容易的；small小的；fine好的。根據(jù)“Hehasnotimeforbreakfastandhedoesn’tlook”可知沒有吃早餐，所以看起來不太好。故選D?！?0題詳解】句意：他的老師格林先生知道這一點，并與托尼交談。talks說話；works工作；runs跑；cleans打掃。根據(jù)“withTony...”可知和托尼交談。故選A。三、完成句子（共5小題，滿分10分）12、①.It’s②.take③.care【解析】【詳解】“對某人來說，做某事是……的”it’sadj.forsb.todosth.；“照顧”takecareof。句子開頭首字母大寫。故填I(lǐng)t’s；take；care。13、Howlongdoesittake【解析】【詳解】howlong“多長”，ittakes+時間+todosth“花時間做某事”，時態(tài)是一般現(xiàn)在時，主語是it，助動詞用does。故填Howlongdoesittake。14、makefriends【解析】【詳解】根據(jù)中英文對照可知，空處缺少“交朋友”，其對應(yīng)的英文表達(dá)是makefriends，liketodosth.“喜歡做某事”。故填makefriends。15、①.helps②.with【解析】【詳解】根據(jù)中英文對照可知，空格處缺少內(nèi)容“幫助……學(xué)習(xí)……”，短語helpsb.withsth.“在某方面幫助某人”符合語境；根據(jù)句意可知，表示經(jīng)常習(xí)慣的動作應(yīng)用一般現(xiàn)在時，主語是李老師，謂語動詞應(yīng)用三單形式。故填helps；with。16、tastes【解析】【詳解】句意：冰激凌嘗起來很好。描述事實，用一般現(xiàn)在時。taste表示“嘗起來”，主語是第三人稱單數(shù)，謂語動詞用三單形式。故填tastes。四、閱讀理解（40分）17、1.A2.G3.D4.F5.E【解析】【導(dǎo)語】本文主要介紹了五個人遇到的難題或困惑以及幾條建議?！?題詳解】根據(jù)“Peterwillhaveachemistryexperiment(化學(xué)實驗)intheclassroom.Thisishisfirsttimetogototheroom”可知彼得將在教室里進(jìn)行化學(xué)實驗，選項A“如果沒有老師，就不要來這里。進(jìn)行化學(xué)實驗是危險的。等老師來。在老師到來之前你不能進(jìn)屋”符合。故選A?！?題詳解】根據(jù)“Jimwillhaveacomputerlessonthisafternoon.Hefeelsterriblebecausehedoesn’tknowwhattodointhelesson.”可知吉姆不知道在計算機課上應(yīng)該做什么，選項G“如果你不聽老師的話，你可能會遇到麻煩。你的老師會教你如何使用電腦”符合。故選G?！?題詳解】根據(jù)“Marylearnstoplaythepiano.Shealwayspracticesplayingitafterclassintheclassroom.Sheneedstochecktheclassroombeforeleaving.”可知瑪麗學(xué)習(xí)彈鋼琴。她總是課后在教室里練習(xí)演奏。她需要在離開前檢查一下教室，選項D“離開教室前先關(guān)燈關(guān)門。你必須確保所有的門窗都關(guān)上了”符合。故選D?！?題詳解】根據(jù)“JanewantstoplaywithherfriendsonFridaynight.Andtheywillhaveaparty.”可知簡想在星期五晚上和她的朋友們一起玩，他們將舉行一個聚會，選項F“你必須在晚上10點之前回家，告訴你父母你去哪里，誰和你一起玩，并記得告訴他們你要做什么”符合。故選F?！?題詳解】根據(jù)“Jack’slittlebrotherwantstoeatanappleafterhecomesbackhome”可知杰克弟弟回家后想吃一個蘋果，選項E“吃飯前要洗手。請把它們洗干凈。保持健康非常重要”符合。故選E。18、1.B2.D3.C【解析】【導(dǎo)語】本文主要講述美國航空航天局最近通過實驗，成功把火星上的空氣轉(zhuǎn)化為供宇航員呼吸之用的氧氣?！?題詳解】細(xì)節(jié)理解題。根據(jù)第一段“Theatmosphere(大氣層)onMarsismostlymadeofcarbondioxide(二氧化碳).”可知，火星上的空氣主要由二氧化碳組成。故選B。【2題詳解】推理判斷題。根據(jù)第二段“NASAsaysthatgetting4astronautshomefromMarswouldtakeabout25tonnesofoxygen.”可知，讓四名宇航員從火星返回地球大約需要25噸氧氣，由此推算，讓八名宇航員從火星返回地球大約需要50噸氧氣。故選D?！?題詳解】主旨大意題。通讀全文可知，本文主要介紹一個把火星上的二氧化碳轉(zhuǎn)化為氧氣的實驗。故選C。19、1.C2.A3.D4.B【解析】【導(dǎo)語】本文主要介紹了威尼斯的情況，介紹了它的地理位置，所面臨的問題以及旅行建議?！?題詳解】細(xì)節(jié)理解題。根據(jù)“InthenortheastofItaly,Veniceisknownasafloatingcity”可知，威尼斯在意大利，故選C?！?題詳解】細(xì)節(jié)理解題。根據(jù)“Itismadeupofover100islandsconnectedbywaterwaysandbridges”可知，由100多個島嶼組成的，故選A?！?題詳解】細(xì)節(jié)理解題。根據(jù)“Theyhavebuiltdozensofgatestoholdbackthesea”可知，建造了幾十個大門來阻擋海水，故選D?！?題詳解】細(xì)節(jié)理解題。根據(jù)倒數(shù)第二段內(nèi)容可知，因為威尼斯變化得越來越快，所以建議人們盡早去威尼斯旅行，故選B。20、1.B2.A3.D4.C【解析】【分析】這篇短文主要給我們介紹了北極的相關(guān)知識。北極和南極都是非常寒冷的地方，但北極和南極是很不一樣的。【1題詳解】推理判斷題。根據(jù)第一段“However,theNorthandSouthPolesarenotmuchalikeaspeoplemayimagine.”和文意可知，這篇短文主要介紹了有關(guān)北極的一些情況，屬于科普類的文章，故選B。【2題詳解】細(xì)節(jié)理解題。根據(jù)短文第三段“About100yearsago,twomen,RobertPearyandMathewHenson,wereabletogettothisenvironmentfulloftroublesanddifficulties.”可知，大約100年前，有兩個人成功地到達(dá)了北極。故選A。【3題詳解】詞義猜測題。根據(jù)語境“Fewpeoplecanliveinsuchadifficultplace.”可知，幾乎沒有人能在這個地方生存下來，說明大部分地區(qū)無人居住，uninhabited意為“無人居住的”。故選D。【4題詳解】細(xì)節(jié)理解題。根據(jù)最后一段“Themovementoftheoceanwaterundertheicemayoftencausemanydifferentchangesonthesurface.”可知，冰下面海水的運動可能會導(dǎo)致海面的很多變化，有時候冰會破裂形成開放的水道。故選C。請仔細(xì)閱讀文章，從A到E的五個句子選項中，選出填入空格處的最佳句子，并在答題卡相應(yīng)位置填涂正確選項。五、補全對話（10分）21、1.D2.B3.F4.E5.A【解析】【導(dǎo)語】此段對話是關(guān)于上吉他課的，學(xué)員與吉他老師Emily商定了上課時間和地點。【1題詳解】根據(jù)問句“AreyouEmily?”和答語“Yes”，可知問句與身份確認(rèn)有關(guān)，“Theguitarteacher?”意為“吉他老師嗎？”，故選D?！?題詳解】根據(jù)答語“Thelessonsareeveryday,fromMondaytoFriday.”，可知問句是在詢問上課時間，“Yes,butwhatdaysarethey?”意為“是的，但是星期幾呢?”，故選B。【3題詳解】根據(jù)答語“Letmesee…I’mfreeonTuesdaysfrom…”，可知上一句是學(xué)員說了自己空閑的時間，這句是吉他老師在思考自己的時間是否匹配，“I’mfreeonTuesdaysandThursdays.”意為“我星期二和星期四有空。”，故選F?！?題詳解】根據(jù)答語“OK.”，可知這里是學(xué)員說出了自己意向的時間，“Tuesdaysarebetterforme,Ithink.”意為“我想星期二對我比較合適。”，故選E?！?題詳解】根據(jù)答語“They’renotexpensive.”，所以這里是在問價格，“Andhowmucharethelessons,please?”意為“請問這些課程多少錢?”，故選A。六、閱讀表達(dá)（10分）22、1.Therewillbemorepeopleintheworld.2.Computerstudies.3.Morepeoplewillgotoothercountriesforholidays.4.Theywilleatmorefruitandvegetables.5.Becauserobotswilldodangerousandhardwork.【解析】【導(dǎo)語】本文主要介紹了作者未來的生活的設(shè)想?！?題詳解】根據(jù)第一段的“Therewillbemorepeopleintheworldandmostofthemwilllivelonger