新沪教八下英语U7-8单元语法精练

新沪教八下英语U7–U8单元语法精练时间：90分钟满分：200分（U7:100分U8Unit7Spaceexploration—过去进行时构成was/were+doing含义表示过去某一时刻或某一时间段正在进行的动作标志词atthattime,atthistimeyesterday,at8:00yesterdaymorning,allnight,when,while用法区别when：①既指时间点也可指时间段；后接终止性或延续性动词；②从句动作与主句动作可先后或同时发生；③when后常接一般过去时（Whentheteachercamein,weweretalking.④表“突然”：Iwasreadingwhenthelightwentout.while：①后接延续性动词；②从句与主句动作同时发生；③while后常接进行时（Whileweweretalking,theteachercamein.）；④表“然而”：MotherwascookingwhilefatherwaswatchingTV.一、单项选择(本大题共20小题，每小题2分，共40分)1.—Whatyouat9:00lastnight?—Iwasdoingmyhomework.A.takes3.TheastronautanexperimentwhilethespaceshipwasflB.wasdoing4.Idinnerwhenthedoorbellrang.A.have5.TheyafootballA.watchedB.werewatching6.—Whydidn'tyouA.had7.WhilesheA.watchedB.waswatching8.ThescientistA.reads10.Atthistimeyesterday,IA.talkedA.have13.Hehishomeworkwhenhismothercame14.Whileweforthebus,itbeganA.wait15.ThechildrenamodelspaceshipthistimeA.made16.JackashowerwhenthepA.took17.TheastronautreportedthatthespacecraftsmoothA.walk19.Whenthespaceshiplanded,allpeopleD.cheered20.HeabookaboutMarswhenIenteredtheroom.A.read二、单词拼写(本大题共10小题，每小题2分，共20分)21.I(watch)TVwhensomeonekno22.Whilewe(have)ascience23.Thelittleboy(draw)apictureofarocketatthistimeyesterday.24.Whentheteachercamein,thestudents(discuss)thespacemi25.She(sleep)whentheearthqua26.At7:00lastnight,mybrother(play)computergames.27.They(wait)forthebuswhenitstarted28.—Wherewereyouat5p.m.yesterday?—I(run)intheplayground.29.Whiletheastronauts(walk)inspace,peopleonEarthfe30.Thegirl(shop)whensheme三、完成句子(本大题共10小题，每小题4分，共40分)31.昨天这个时候我们正在讨论太空旅行计划。Wethetimeyesterday.32.当地震发生时，人们正在跑出大楼。Whentheearthquakehappened,peopleoutofthebuilding.33.妈妈做饭的时候，我在打扫房间。Whilemymother,Iwascleaningtheroom.34.昨晚八点我正在和笔友谈论中国航天事业。At8:00lastnight,Iindustrywithmypenpa35.当火箭发射时，他们正在鼓掌欢呼。Whentherocketlaunched,they36.我路过花园时看到一些孩子在种树。IsawsomechildrentreeswhenIpassedbythegarden.37.昨天下午三点你正在做什么？Whatat3:00yesterdayafte38.那个男孩不小心碰了电线，当时他正在修理收音机。Theboytouchedthewiraccidentwhilehetheradio.39.她从树上摔下来的时候正在拍照。Shephotoswhenshefellfromthe40.飞机起飞时，乘客们正在系安全带。Thepassengerstheirseatbeltswheplanetookoff.Unit8Imaginethat!—原因状语从句（时间：40分钟满分：l00分）because因为（直接原因，语气最强，回答why提问）例：Hedidn'tcomebecausehewasill.因为；由于（语气较弱，常放于句首，原因较明显）例：Asyouaretired,let'srest.since既然（表示已知事实，常放句首）例：Sinceeveryoneishere,let'sbegin.因为（表示推断或补充解释，不可放句首）例：Itmustbesnowing,foritissobrightoutside.注意强调原因状语从句只能用because；becauseof+名词/代词/动名词。一、单项选择(本大题共30小题，每小题2分，共60分)A.because2.youarefreenow,whynotjoinourdiscussionaboutMars?3.Hedidn'tattendthespacelecturehehadabadheadache.A.ifD.although4.Theboyimaginedbeinganastronaut,helovedl5.it'srainingA.Because6.Shedidn'tbuythemodelrocketitwastooA.because7.everyonewantstogototheplanetarium,let'sgotherenextweekend.A.BecauseofD.Evenif8.IliketoimaginefuturecitiestheyarefullA.thoughA.Because10.ThescientistwasrespectedhemadegreatcontributionstoA.becauseB.if11.youhavealreadyknowntheansweA.Because12.Ibelieveinhimheisalwayshonest13.therewasnogravityinsA.Becauseof14.Hefailedtheexam,hedidn'trevieA.becauseB.if17.—Whydoyoulikesci-fimovies?—A.Because18.ThelittlegirlimA.becauseC.ifA.because20.heisonlyten,hehasalreadydesignedamodelA.Because21.TheclubisverypopularitproA.becauseD.although22.You'dbettertakeanumbrellaitmighA.becauseB.if23.Hewaslateforthespacelecturehemissedthee24.youareinterestedinaliens,let'swatchthisdocumentarytogether.A.Becauseof25.Manypeopleadmireastronautstheyarebraveandhighlytrained.A.becauseC.ifD.although26.Ididn'tgotothespacecampA.becauseof27.it'sgettingdark,wehavetofinishthestarobserva28.Hemustbeverytired,hefellasleepduringthespaceA.because29.WechosetogotothA.because30.youarealreadyateenager,youshouldlearntoimagineandcreatebyyourself.C.Becauseof二、完成句子(本大题共10小题，每小题4分，共40分)31.因为他喜欢想象未来的生活，他成为了一名科幻作家。heenjoysimlife,hebecameasci-fiwrit32.既然我们已经到达太空营地，让我们开始探索吧。wehavearrivedatthe33.她熬夜看流星雨，因为她不想错过。Shestayeduplatetowatchthemeteorshower34.这个项目很成功，因为每个人都投入了极大的热情。Theprojectwasverysuccessful everyonedevotedgreatenthusiasm.35.由于缺乏资金，他们不得不推迟太空旅行计划。lackofmonethespacetravelplan.36.他没有出席讲座，因为他要照顾生病的妹妹。Hedidn'tattendthelecturehehadto37.既然你对黑洞那么好奇，为什么不读这本新书呢？youaresocuriousaboutblholes,whynotreadthisnewbook?38.她创造了这个角色，因为她想鼓励年轻人追求梦想。Shecreatedthischaractershewantedtoencourageyoungpeopletopursuedreams.39.飞机晚点了，因