Unit7Spaceexploration重要词汇语法复习沪教版八年级英语下册

Unit7Spaceexploration重要词汇语法复习词汇通关英文单词(Word)中文释义(Meaning)beefn.牛肉seafoodn.海鲜affordv.承担得起（后果）mistaken.错误；失误stickv.粘；贴词汇通关英文单词(Word)中文释义(Meaning)hit

v.碰撞；撞击musclen.肌肉gymn.健身房satelliten.人造卫星destroyv.摧毁词汇通关英文单词(Word)中文释义(Meaning)averageadj.平均的probableadj.很可能发生（或存在等）selectv.挑选；选拔spaceflightn.航天；宇宙飞行servev.为……工作；服务词汇通关英文单词(Word)中文释义(Meaning)deliverv.传送；运载fueln.燃料supplyn.供应量；供给量pointlabn.时刻；阶段n.实验室

短语通关英文单词(Word)中文释义(Meaning)takeoff起飞forawhile一段时间turnout证明是；结果是cannotaffordto

承担不起（后果）bymistake

错误地；无意中短语通关英文单词(Word)中文释义(Meaning)dailyroutine日常生活；日常工作spacejunk太空垃圾nakedeye肉眼重点语法归纳一、过去进行时1.基本含义：表示过去某个特定时间点/时间段内，正在发生或持续进行的动作，强调动作“正在进行”的状态。重点语法归纳2.句型结构（后接动词原形，无人称、时态变化）肯定句：主语+was/were+doing(动词-ing)Iwasworkinginthelabatthattime.那时我正在实验室工作。否定句：主语+was/were+not+doingTheywerenottravellinginspacethen.那时他们没有在太空航行。一般疑问句：Was/Were+主语+doing？Washesendingsignalsat8yesterdayevening?昨晚8点他正在发送信号吗？重点语法归纳3.标志语过去特定时刻正在做标志词：at8yesterday,thistimeyesterday,then,atthatmoment例：Weweretakingoffat9a.m.lastSunday.上周日上午9点我们正在起飞。重点语法归纳3.标志语过去一段时间内持续做标志词：from…to…,duringthenight例：Thesatellitewasworkingduringthewholenight.卫星整晚都在运行。while引导，两个过去动作同时进行例：Whilehewasdoingexperiments,Iwascollectingdata.他做实验时，我在收集数据。重点语法归纳二、情态动词表推测（may/might/must/can’t）may/might（可能，可能性弱）例：HumansmayliveonMarsoneday.人类某天可能在火星居住。must（一定，肯定推测，只用于肯定句）例：Thesatellitemustbeworkingwell.这颗卫星一定运行良好。can’t（不可能，否定推测）重点语法归纳二、情态动词表推测（may/might/must/can’t）can’t（不可能，否定推测）Therecan’tbelifewithoutwaterinspace.太空中没有水就不可能有生命。should（应该，表合理推测/建议）Weshouldstudyhardtoexplorespace.我们应该努力学习探索太空。重点语法归纳2.句型结构（后接动词原形）肯定句：主语+hadbetter(’dbetter)+动词原形例：You’dbetterstartearly.你最好早点开始。否定句：主语+hadbetternot+动词原形（重点：不能缩写为hadn’tbetter）例：You’dbetternotarguewithothers.你最好不要和别人争吵。重点语法归纳三、原因状语从句&becauseof1.because/since/as用法辨析（语气：because＞since＞as）because：直接原因，语气最强，回答why，从句常放句末例：Astronautsexercisebecausethereisnogravityinspace.宇航员锻炼因为太空没有重力。重点语法归纳三、原因状语从句&becauseof❗易错：because和so不能连用since：既然、已知原因，多放句首例：Sincespacejunkisincreasing,wemustsolvethe

problem.既然太空垃圾在增多，我们必须解决这个问题。as：由于、显而易见的原因，语气最弱例：Astherocketisready,wecantakeoffsoon.由于火箭准备好了，我们很快可以起飞。重点语法归纳三、原因状语从句&becauseof2.becauseof（介词短语）后接名词/代词/动名词，不能接句子例：Hefailedbecauseofspacejunk.他因为太空垃圾失败了。练一练一、单项选择1．Whilemysister________TV,Iwaslisteningtomusicinthelivingroom.A．watches B．watched C．werewatching D．waswatching2．Mylittlesister________toyswhileIwasreadingbooks.A．isplaying B．plays C．played D．wasplayingDD练一练一、单项选择3．Manyteensareinterestedintraditionalculture________theythinkitismeaningful.A．so B．or C．but D．because4．Itookyourumbrella________yesterdayafternoon.A．bymistake B．byhand C．byaccident D．byheartAD练一练一、单项选择5．Theplanewill________intenminutes.A．takeup B．takeoff C．takein D．takedown6．Ican’t________suchanexpensivenewhouserightnow.A．offer B．afford C．provide D．giveBB练一练一、单项选择8．WhenIpassedby,Isawthem________intheclassroom.A．talk B．talking C．talks D．talkedA7．_________myfatherwaswatchingTV,Iwasreadingabook.A．While B．When C．Until D．AssoonasB练一练二、单词拼写9．Thepostmanwill________(传送；运载)thepackagetoyourhousethisafternoon.10．YangLiwei’shistoric________(航天；宇宙飞行)madehimanationalheroinChina.spaceflight11．Therearemanykindsof________(海鲜)intherestaurant.deliverseafood练一练二、单词拼写12．MyfamilyandIwere________(躲藏)inasaferoomwhenthetornadocame.13．Exercisingatthegymcanhelpbuildstrong________(肌肉)andkeepyouhealthy.hidingmuscles练一练二、单词拼写14．Thestudentsaredoingascienceexperimentintheschool________(实验室).15．Thefirewill________(摧毁)theoldbuildingifwedon’tputitoutquickly.destory16．Theastronautstookfood,waterandothernecessary________(补给；补给品)withthemtothespacestation.labsupplies练一练三、适当形式填空17．Theriverfloodseverysummerand________(destroy)fieldsinthevillage.18．They________(do)experimentsfrom9:00to11:00yesterday.weredoing19．TheTianzhou-2spacecraft________(deliver)suppliestoTianhein2021.destroysdelivered练一练三、适当形式填空20．Remembertostoresomeemergency________(supply)athomebeforethetyphoon.21．Howcanyouthrowaballandhaveitreturntoyouwithout_________(hit)anything?hittingsupplies练一练三、完成句子22．结果他说的话是对的。It__________________thatwhathesaidwasright.23．我努力保持我的日常生活规律。Itrytokeepmy__________________reg