江苏省无锡新吴区2023-2024学年英语七年级第二学期期末综合测试模拟试题含答案

江苏省无锡新吴区2023-2024学年英语七年级第二学期期末综合测试模拟试题满分120分，时间90分钟一、单项选择（共10小题，满分20分）1、________haveknowneachotherfortenyears.A.I,you

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he B.He,you

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I C.You,he

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I D.You,me

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he2、Mybrotherhasahealthylivinghabit.Hestaysuplate,andheisanearlybird.A.usually B.hardly C.often D.always3、You’dbetter____________latenexttime.A.notbe B.nottobe C.won’tbe D.don’tbe4、(TheWindintheWillows)Whatisthecorrectorderforfollowingevents(事件)?①Toadjumpsoffthetrainandgoesintoawood.②Thefriendshaveabigpartytocelebrate.③ToadtricksRat,escapesfromhisbedroom.④BadgerleadsthefriendsintoToadHall.⑤Badger,RatandMolelockToadinhisbedroom.⑥Thefriendsfightagainstthestoatsandtheweasels.A.②⑤⑥①④③ B.⑤③①④⑥② C.②⑤①④⑥③ D.⑤③⑥①④②5、—Tim,we’regoingtoBeijingforvacation.Please________someinformationonline.—OK.A.lookat B.lookout C.lookafter D.lookup6、—Excuseme,whattimedoesthenexttraintoShanghaileave?—Justaminute.I________itforyou.A.check B.checked C.willcheck D.checking7、—Look!Thebabylikesyou.—Well,sometimesababyjustneedsagentle________andlotsofsmiles.A.fight B.touch C.skill D.blanket8、WhenIwaswalkingpasthisroomyesterdayevening,Iheardhim________thepiano.A.play B.plays C.played D.playing9、—Where’syourbrother,Jane?—He_________anEnglishsonginhisroom.A.sings B.sang C.issinging D.issing10、—HowshouldIteachmydogtodoanytricks?—Well,youshouldbe________first,oritwillrunaway.A.rude B.shy C.gentle D.sad二、完成句子（共5小题，满分10分）11、TheLouvreMuseumhasmany________(举世闻名的)worksofart.12、had,we,good,a,time____________________________________________________________.13、这孩子太小，不能玩这种游戏。________________________________________________________14、wants,anartist,he,be,to_____________________________________________________________________________________________.15、Iaskedhimtoleave,buthe________/rɪ'fju:zd/.三、补全对话（10分）16、根据对话内容，从下面选择恰当句子将对话补充完整（选项中有两项是多余的）。A:Hi,Becky.DidyouwatchtheTVprogramaboutthespaceshipShenzhou-XV?B:Yes,Idid.ItwasreallyexcitingtowatchthespaceshipShenzhou-XVwiththreeChineseastronautsgoingupintospace.____1____A:Yes,Ialsothinkso.____2____B:Sure,Ido.Beinganastronautismydream.A:____3____B:Well,I’mgoingtoworkhardatallmylessonsfirstandthengotoaniceuniversityaftermiddleschool.A:____4____B:InChangchun.Aftermiddleschool,IwanttogototheAviationUniversityofAirForce.A:Oh,Isee.____5____B:Thankyou.ButIneedyourhelp.CouldyoupleasehelpmewithmyEnglish?A:Sure,noproblem.A.Whenareyougoingtobefree?B.Ithinkbeinganastronautiscool.C.Wheredoyouplantogotouniversity?D.Howareyougoingtobecomeanastronaut?E.Doyouwanttobeanastronautinthefuture?F.Whatdoyouwanttobeafteryouleavecollege?G.Workhardandyouwillmakeyourdreamcometrue.四、阅读理解（40分）17、DearMike,Howiseverything?Iamnothappythesedays.MyparentsareangrywithmebecausetheythinkIliveanunhealthylifeonweekends.TheywantmetospendmyweekendlikemysisterJenny.Ialwaysgetuplate.SoIusuallyhavenothingforbreakfast.Iplaybasketballforanhourthen.Forlunch,Iofteneatout.Hamburgersandice-creamaremyfavorites.Iknowtheyarenotgoodforme,buttheytastegreat.Afterlunch,Iusuallygotothemovieswithmyfriends.Sometimes,Isleepalltheafternoon.Intheevening,IeitherwatchTVorplaycomputergames.Idon’tgotobeduntileleventhirty.ButJennyisdifferent.Shenevergetsupaftersixthirty.Thenshebrushesteethanddoesmorningexercises.Afterthat,shehasmilkandeggs.Shedoesherhomeworkallthemorning.Forlunch,sheeatsrice,meat,fishandvegetables.Shestudiesfor3hoursbeforesheeatsdinner.Sometimes,shehelpswithhouseworkafterdinner.Thenshegoesouttotakeawalk.Shereadsandtakesashowerbeforegoingtobed.“WhatanexcellentdayIhave!”Jennyalwayssays.Itisweekend!Ijustwanttorelaxmyselfwell.Ihatetohearmyparentsalwayssaythesamewordsagainandagaintome.It’sterribletolivelikeJenny!WhatcanIdo?Yours,Leo1.WhatdoesLeooftenhaveforlunchonweekends?A.Riceandmeat. B.Milkandeggs. C.Fishandvegetables. D.Hamburgersandice-cream.2.Accordingtothepassage,whichofthefollowingisTRUE?A.Leousuallysleepsalltheafternoon. B.Leogoestobedbefore11:00p.m.C.Jennyeatsbreakfastafterdoingsports. D.Jennydoesn’tlikeherweekendlife.3.WhatdoesLeothinkofJenny’sweekendlife?A.Excellent. B.Relaxing. C.Terrible. D.Unhealthy.4.WhatmayLeo’sparentsalwayssaytohim?A.“Breakfastisimportantforyourhealth.” B.“Sleepingalltheafternoonishelpful.”C.“Youdon’thavetogetupearly.” D.“Goingtobedlateisagoodwaytorelaxyourself.”18、HelenandJimtookaschooltripinGuangzhoulastSaturday.Theyhadaverygoodtimethere.HerearetheactivitiestheydidinGuangzhou.Time:At8:00a.m.Place:Atthegateoftheschool.Activity:TookabustoPeople’sPark.Time:From12:30p.m.to3:10p.m.Place:Inthelibrary.Activity:Visitedthelibrary;readsomeinterestingbooks;joinedintheEnglishCorner;madesomenewfriends.Time:From8:30a.m.to12:00a.m.Place:InPeople’sPark.Activity:Visitedthepark;walkedinthepark;tooksomephotos;wentboating;hadlunch.Time:At3:20p.m.Place:Atthegateofthelibrary.Activity:Tookabusbacktoschool.Thenwenthomebythemselvesorwaitedfortheirparentstomeetthem.1.WhenwasHelenandJim’schooltripinGuangzhou?A.ThisSunday. B.ThisSaturday. C.LastSunday. D.LastSaturday.2.HowlongdidHelenandJimstayinthelibrary?A.140minutes B.180minutes C.190minutes D.200minutes3.WheredidHelenandJimhavelunch?A.InPeople’sPark. B.Atschool. C.Inthelibrary. D.Athome.4.Whatcanweknowfromthepassage?A.Theydidn’thavetimetoreadanybooks.B.Theycouldgohomebythemselves.C.Theywentfishinginthepark.D.Theycamebacktoschoolat3:10p.m.19、SportsWorldAreyougoodatsports?Doyouwanttoplaydifferentballgames?Comeandjoinus!Place:PlaygroundTime:9:00a.m.—10:30a.m.SaturdayDIYCornerDoyouwanttomakethingsbyyourself?Comeandtrytomakegreatmodels.(Cars,planes,robots...)Place:ScienceRoomTime:16:30p.m.—18:00p.m.Tuesday—FridaytheSoundofMusicDoyouwanttoenjoybeautifulmusic?Waitforyoutosinganddance.Let’shavefuntogether!Place:MusicHallTime:14:00p.m.—17:00p.m.Monday—FridayPhotoTimeDoyouliketakingphotos?Doyouwanttolearntotakegreatphotos?Joinusrightnow!Place:SchoolGardenTime:13:00p.m.—14:00p.m.Saturday1.WherecanBillgoifhewantstomakeamodelplane?A.ToSportsWorld. B.ToDIYCorner. C.ToPhotoTime. D.TotheSoundofMusic.2.WhatcanstudentsdointheschoolgardenonSaturdayafternoon?A.Playballgames. B.Havescienceclasses. C.Singanddance. D.Takephotos.3.Whencanyougotothemusichalltohavefun?A.OnMondaymorning. B.OnSaturdaymorning. C.OnFridayafternoon. D.OnSundayafternoon.20、Firesmayhappenatanytime.Ifthereisafire,youmightnothavemuchtimetodecidewhattodo.Beingpreparedandknowingwhattodoearlycansaveyourlife.____1____Yourfamilyshouldpracticethisgetting-outplan.____2____Ifyouhavesuchameetingplaceoutside,youcanquicklymakesurethateveryoneisoutofthehouse.Youshouldalsorememberthatsmokeisusuallyfarmoredangerousthanthefire.Apersoncandieafterjustafewminutesinasmokefilledroom.____3____Finally,beforeyouopenanydoors,alwaysfeelthedoorlockfirst.Ifthedoorlockishot,firemustbeontheothersideofthedoor.____4____Youwillhavetofindanotherwayout.Thesearesimplesuggestions.____5____A.Yourfamilyshouldalsohaveameetingplaceoutside.B.Themostimportantthingistohaveagetting-outplan.C.Sincesmokerises,staylowtothefloor.D.Goupstairstothetopofthebuilding.E.Ifyoucanrememberthem,youwillbemuchsaferinafire.F.Donotopenit.五、完形填空（10分）21、Doyouknowwhales(鲸)?Whalesareseaanimals.They___1___verybigfish.Butwhalesaredifferentfromfishbecause___2___babiesstaywiththeirmothersand___3___theirmother’smilkforayearormore.Whalesare___4___differentfromfishbecausetheyhavetoswimuptothetop(顶端)ofthe___5___totakeairinevery15or40___6___.There___7___twodifferentkindsofwhales:whaleswithnoteethandwhaleswithteeth.___8___whaleistheBlueWhale.BlueWhales___9___haveteeth.Theyareverybiganimals,___10___theyonlyeatverysmallseaanimals.Thesesmallseaanimalsarecalled“krill”.Theother___11___ofwhaleisthedolphin.Dolphinshave___12___.Theyeatfishandliveinfamilygroups.Theyarefriendlyandlearnquickly,___13___peopleneverforgetthemwhentheyswimwithdolphins.Whalesalways___14___strangesongs(歌曲)underthewater.Thesesongsareveryloud(响亮的).Otherwhalescanhear___15___fromfaraway.1.A.comefrom B.looklike C.talkto D.knowabout2.A.our B.their C.its D.your3.A.like B.miss C.drink D.pick4.A.too B.right C.still D.also5.A.water B.snow C.zoo D.road6.A.minutes B.years C.months D.weeks7.A.am B.is C.are D.be8.A.Alotof B.Twokindsof C.Onekindof D.Asetof9.A.doesn’t B.don’t C.didn’t D.aren’t10.A.and B.or C.when D.but11.A.animal B.fish C.kind D.pair12.A.teeth B.feet C.legs D.ears13.A.if B.but C.so D.Because14.A.sings B.sing C.sang D.singing15.A.it B.him C.her D.them六、阅读表达（10分）22、阅读并回答下面5个问题，每题答案不超过10个词。Primaryandjuniorhighschoolstudentsnowareallowedtostayatschoolfortwohoursafterschoolisover.Studentscanenjoytheirhobbies.Theycanalsotakepartinotherafter-schoolactivities.Thisisoneofthekeymeasures(措施)ofthe“doublereduction”policy(“双减”政策)acrossthecountry.Thepolicytriestoreducestudents’stresscausedbytoomuchhomeworkandoff-campustraining.Whenstudentsleaveschool,theycanseetheirparents,insteadoftheirgrandparents,waitingoutsidetopickthemup.Studentsarehappyaboutit,andsoaretheirparents.“It’sgoodthatIcancometopickupmyson,”saidMrsWang,amotherofasecondgrader.“I’veboughtextraexercisebooksforhimtodosincehehasnohomeworknow.Istillneedtoknowhowwellhehaslearned.”Thechangesalsomeanthatstudentscanchoosetodotheirhomeworkatschoolafterschoolisover.“Wehaveareadingcourseafterclassesendat4pm,”saidZhangZirui,aprimaryschoolstudent.“Thenwedoourhomeworkatschool.Idon’thavetodohomeworkwhenIgobackhome.”LanLan,astudentatajuniorhighschool,haslesshomeworknow.“Theteacherhascutouttherepetitive(重复的)contentsinthehomework,whichIwelcomealot,”shesaid,“andtherearelotsofafterschoolactivitiesforustotakepartin.It’sgreat.”MrWang,afatherofajuniorhighschoolstudent,saidthemeasuresshowedthegovernment’sgreateffortstolightentheburden(负担)onschools,parentsandstudents.1.What’sthepurposeofthe“doublereduction”policy?____________________________________________________2.Whocanpickupstudentsafterschoolnow?___________________________________________________3.WhydidMrsWangbuyextraexercisebooksforherson?_____________________________________________________4.WhatdoesZhangZiruidoafterclassesareover?_____________________________________________________5.Whatdoyouthinkofthenewpolicy?_____________________________________________________七、书面表达（20分）假如你是Eric，暑假即将到来，你和你的好朋友们打算利用假期时间去做志愿者，你们的计划如下：NamePlacesThingstodoJack医院看望生病的孩子们，为他们唱歌、跳舞，让他们振作起来……Mary儿童之家给孩子们讲故事，帮助孩子们学习阅读和他们做游戏……Eric敬老院给老人读报纸，与他们交流，倾听他们，照顾他们……请根据表格提示内容，以“Ourvolunteerplansinsummerholidays”为题，写一篇不少于70字的英语短文描述你们的暑假计划，可以根据需要适当扩展。Ourvolunteerplansinsummerholidays__________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________________

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：你，他和我已经认识十年了。考查人称代词的顺序。单数人称代词并列作主语时，其顺序为：第二人称you→第三人称he→第一人称I。故选C。2、B【解析】【详解】句意：我哥哥有一个健康的生活习惯。他几乎不熬夜，而且是早起的人。A.usually通常；B.hardly几乎不；C.often经常；D.always总是。健康的生活习惯应该是不熬夜，故答案为B。3、A【解析】【分析】考点：考查动词短语的用法。【详解】试题分析：句意:你最好下次不要迟到了。这里是短语hadbetter+动词原形“最好做某事”；hadbetter+not动词原形“最好不要做某事”；根据句意故选A。4、B【解析】【详解】句意：（《柳林风声》）下列事件的正确顺序是什么？考查常识。根据《柳林风声》的内容可知，獾、水鼠和鼹鼠把蟾蜍关在房间里反省，结果蟾蜍设法把水鼠骗走后逃跑了，蟾蜍从监狱里逃出后，想坐火车回家，结果路上后面另一辆载着警察的火车追来，蟾蜍跳下火车，钻进一片树林里，獾领着朋友们走进蟾蜍厅，朋友们与白鼬和黄鼠狼搏斗，最后，它们打跑了所有黄鼠狼和白鼬，举办了一个盛大的聚会。故正确顺序是⑤③①④⑥②。故选B。5、D【解析】【详解】句意：——蒂姆，我们打算去北京度假，请上网查阅一些信息。——好的。考查动词短语辨析。lookat看向；lookout小心；lookafter照顾；lookup查阅。根据空格后面的“someinformation”可知需要查阅信息，故选D。6、C【解析】【详解】句意：——打扰一下，下一班去上海的火车什么时候开？——请稍等。我帮你查一下。考查动词时态。根据前句“Justaminute.”语境可知，空处的动作发生在将来，故应用一般将来时，构成形式为：willdo。故选C。7、B【解析】【详解】句意：——看！宝宝喜欢你。——嗯，有时候宝宝只是需要温柔抚摸和很多的微笑。考查名词辨析。fight打仗；touch触摸；skill技巧；blanket毯子。根据“sometimesababyjustneedsagentle...andlotsofsmiles”和常识可知，宝宝需要温柔的抚摸和很多的微笑。故选B。8、D【解析】【详解】句意：昨天晚上我经过他的房间时，听到他在弹钢琴。考查非谓语。hearsbdo/doingsth“听到某人在做某事”，do表示动作全过程或习惯性，doing表示动作正在进行，结合语境，此处表示听的时候，弹钢琴是正在进行的动作，应用doing形式，故选D。9、C【解析】【详解】句意：——你哥哥在哪儿，简？——他正在他的房间里唱一首英文歌。考查时态。根据“Where’syourbrother,Jane?”和“He...anEnglishsonginhisroom.”可知，强调动作正在发生，用现在进行时，故选C。10、C【解析】【详解】句意：——我应该如何教我的狗做一些技巧？——嗯，首先你应该温柔，否则它会跑掉。考查形容词辨析。rude粗鲁的；shy害羞的；gentle温柔的；sad悲伤的。根据“oritwillrunaway”可知要温柔点，不然狗会跑走。故选C。二、完成句子（共5小题，满分10分）11、world-famous【解析】【详解】句意：罗浮宫博物馆有许多世界闻名的艺术品。world-famous“举世闻名的”，形容词作定语。故填world-famous。12、Wehadagoodtime【解析】【详解】根据标点及词汇提示可知，此处是陈述句，主语是we，谓语是had，宾语是agoodtime，故填Wehadagoodtime“我们玩得很开心”。13、Thekidistooyoungtoplaythegame.【解析】【详解】thekid“孩子”；is“是”；too...to...“太……而不能……”；young“年幼”；playthegame“玩游戏”。故填Thekidistooyoungtoplaythegame.14、Hewantstobeanartist【解析】【详解】he“他”，作主语；wants“想要”，作谓语；tobeanartist“成为一名艺术家”，作宾语。故填Hewantstobeanartist“他想要成为一名艺术家”。15、refused【解析】【详解】句意：我请他离开，但他拒绝了。根据所给音标可知，空处应填refused“拒绝”，故填refused。三、补全对话（10分）16、1.B2.E3.D4.C5.G【解析】【导语】本文是一则对话，两人围绕宇航员展开交谈，并谈论到自己的梦想。【1题详解】根据“Yes,Ialsothinkso.”可知此处是表达一个想法或观点，选项B“我觉得当宇航员很酷。”符合语境，故选B。【2题详解】根据“Sure,Ido.Beinganastronautismydream.”可知是问对方是否想成为一个宇航员，选项E“你将来想成为一名宇航员吗？”符合语境，故选E。【3题详解】根据“Well,I’mgoingtoworkhardatallmylessonsfirstandthengotoaniceuniversityaftermiddleschool.”可知是问对方打算怎样成为一名宇航员，选项D“你打算怎样成为一名宇航员？”符合语境，故选D。【4题详解】根据“InChangchun.Aftermiddleschool,IwanttogototheAviationUniversityofAirForce.”可知是问对方去哪里上大学，选项C“你打算去哪里上大学？”符合语境，故选C。【5题详解】根据“Thankyou.ButIneedyourhelp.CouldyoupleasehelpmewithmyEnglish?”可知此处应填对方感谢的事情，选项G“努力工作，你会使你的梦想成真。”符合语境，故选G。四、阅读理解（40分）17、1.D2.C3.C4.A【解析】【导语】本文是利奥写给迈克的一封信。他在信中介绍他和妹妹的周末生活。【1题详解】细节理解题。根据“Forlunch,Iofteneatout.Hamburgersandice-creamaremyfavorites.”可知，在周末，利奥午餐吃汉堡和冰淇淋，故选D。【2题详解】细节理解题。根据“Thenshebrushesteethanddoesmorningexercises.Afterthat,shehasmilkandeggs.”可知，珍妮做完运动后吃早饭，故选C。【3题详解】细节理解题。根据“It’sterribletolivelikeJenny!”可知，利奥认为珍妮的周末生活是可怕的，故选C。【4题详解】推理判断题。根据“MyparentsareangrywithmebecausetheythinkIliveanunhealthylifeonweekends.TheywantmetospendmyweekendlikemysisterJenny.”可知，利奥的父母想让他过健康的周末，因此建议他吃早餐，故选A。18、1.D2.C3.A4.B【解析】【导语】本文主要介绍了Helen和Jim在广州旅行的所见所闻。【1题详解】细节理解题。根据“HelenandJimtookaschooltripinGuangzhoulastSaturday”可知，上周六去广州旅行，故选D。【2题详解】细节理解题。根据“Time:From12:30p.m.to3:10p.m.”以及“Place:Inthelibrary”可知，在图书馆待了3个小时10分钟，也就是190分钟，故选C。【3题详解】细节理解题。根据“Place:InPeople’sPark”“hadlunch”可知，在人民公园吃午餐，故选A。【4题详解】细节理解题。根据“Thenwenthomebythemselvesorwaitedfortheirparentstomeetthem”可知，他们各自回家，故选B。19、1.B2.D3.C【解析】【导语】本文主要介绍了四则有关于活动的信息。【1题详解】细节理解题。根据“Comeandtrytomakegreatmodels.”可知，可以去DIY中心制作模型飞机。故选B。【2题详解】细节理解题。根据“Doyouwanttolearntotakegreatphotos”可知，在学校花园可以学习拍照。故选D。【3题详解】细节理解题。根据“Place:MusicHallTime:14:00p.m.—17:00p.m.；Monday—Friday”可知，在周五下午可以去音乐厅玩。故选C。20、1.B2.A3.C4.F5.E【解析】【导语】本文主要讲述了如果发生火灾，我们应该怎们做，详细介绍了一些注意事项。【1题详解】根据后句“Yourfamilyshouldpracticethisgetting-outplan.”可知，此处与逃生计划有关，B选项“最重要的是要有一个逃生计划。”符合语境。故选B。【2题详解】根据后句“Ifyouhavesuchameetingplaceoutside,youcanquicklymakesurethateveryoneisoutofthehouse.“可知，此处与聚集地点有关，A选项“你的家人也应该在外面有一个聚集地点。”符合语境。故选A。【3题详解】根据前句“Youshouldalsorememberthatsmokeisusuallyfarmoredangerousthanthefire.Apersoncandieafterjustafewminutesinasmokefilledroom.”可知，此处与烟雾有关，C选项“由于烟雾上升，请保持低至地板。”符合语境。故选C。【4题详解】根据前句“Ifthedoorlockishot,firemustbeontheothersideofthedoor.”可知，此处与开门有关，F选项“不要打开它。”符合语境。故选F。【5题详解】根据前句“Thesearesimplesuggestions.”可知，此处为总结，E选项“如果你能记住它们，你在火灾中会更安全。”符合语境。故选E。五、完形填空（10分）21、1.B2.B3.C4.D5.A6.A7.C8.C9.B10.D11.C12.A13.C14.B15.D【解析】【导语】本文主要介绍了鲸鱼的种类，生活习性等。【1题详解】句意：它们看起来像非常大的鱼。comefrom来自；looklike看起来像；talkto与……交谈；knowabout了解。根据“verybigfish”可知，看起来像非常大的鱼，故选B。【2题详解】句意：但鲸鱼与鱼类不同，因为它们的幼崽会与母亲待在一起，喝母亲的奶一年或更长时间。our我们的；their他们的；its它的；your你的。根据“theirmothers”可知，此空应填their，故选B。【3题详解】句意：但鲸鱼与鱼类不同，因为它们的幼崽会与母亲待在一起，喝母亲的奶一年或更长时间。like喜欢；miss错过，怀念；drink喝；pick拾起。根据“theirmother’smilk”可知，此处指喝母乳，故选C。【4题详解】句意：鲸鱼与鱼类的另一个不同之处在于，它们每隔15或40分钟就必须游到水面上呼吸空气。too也，用于肯定句句末；right正确的；still仍然；also也，用于肯定句句中。根据“Butwhalesaredifferentfromfish”及“Whalesare…differentfromfish”可知，此处介绍鲸鱼与鱼类的另一个不同之处，此空位于句中，应填also，故选D。【5题详解】句意：鲸鱼与鱼类的另一个不同之处在于，它们每隔15或40分钟就必须游到水面上呼吸空气。water水；snow雪；zoo动物园；road马路。根据“swimuptothetop(顶端)ofthe…totakeairin”可知，游到水面上呼吸空气，故选A。【6题详解】句意：鲸鱼与鱼类的另一个不同之处在于，它们每隔15或40分钟就必须游到水面上呼吸空气。minutes分钟；years年；months月份；weeks星期。根据“takeairinevery15or40”及常识可知，每隔15或40分钟就必须游到水面上呼吸空气，故选A。【7题详解】句意：有两种不同鲸鱼：没有牙齿的鲸鱼和有牙齿的鲸鱼。am主语是I；is主语是单数形式；are主语是第二人称或复数形式；be动词原形。根据“twodifferentkindsofwhales”可知，此空应填are，故选C。【8题详解】句意：一种鲸鱼是蓝鲸。lotof许多；Twokindsof两种；Onekindof一种；Asetof一套。根据“twodifferentkindsofwhales”及“Theother…ofwhaleisthedolphin.”可知，此处介绍其中一种鲸鱼，故选C。【9题详解】句意：蓝鲸没有牙齿doesn’t步，动词三单；don’t不，动词原形；didn’t不，动词过去式；aren’t不是。此处是一般现在时，主语是复数形式，have是实义动词，否定句用don’t，故选B。【10题详解】句意：它们是非常大的动物，但它们只吃非常小的海洋动物。and和；or或者；when当……时；but但是。“Theyareverybiganimals”与“theyonlyeatverysmallseaanimals”是转折关系，故选D。【11题详解】句意：另一种鲸鱼是海豚。animal动物；fish鱼；kind种类；pair双。前文介绍了其中一种鲸鱼是蓝鲸，此处介绍另一种鲸鱼，故选C。【12题详解】句意：海豚有牙齿。teeth牙齿；feet脚；legs腿；ears耳朵。根据“whaleswithnoteethandwhaleswithteeth”及“BlueWhalesdon’thaveteeth”可知，海豚是有牙齿的，故选A。【13题详解】句意：它们很友好，学得很快，所以当人们和海豚一起游泳时，人们永远不会忘记它们。if如果；but但是；so因此；because因为。“Theyarefriendlyandlearnquickly”与“peopleneverforgetthemwhentheyswimwithdolphins”是因果关系，遵循“前因后果”，故选C。【14题详解】句意：鲸鱼总是在水下唱着奇怪的歌。sings动词三单；sing动词原形；sang动词过去式；singing动名词。根据always可知，此句是一般现在时，主语是复数形式，动词用原形，故选B。【15题详解】句意：其他鲸鱼可以从很远的地方听到它们。it它；him他；her她；them他们。此空指代前文