2016年仁爱英语九年级Unit-4-topic-2-重点知识点

年仁爱英语九年级Unit-4-topic-2-重点知识点Unit4AmazingScienceTopic2I'mexcitedaboutthethingsthatwillbediscoveredinthefuture.一．重要句型：SectionAAwonderfulmoviewillbeshowntonight•—场精彩的电影将在今晚上映。Houses,schoolsandhospitalswillbebuiltonMars.房屋、学校、医院都将被建在火星上。两句划线部分均为将来时态的被动结构。将来时态的被动结构为：will/begoingto+bev.ed练一练：.Don'tworry.You___plentyoftimetoworkitout.A.willgiveB.havegivenC.willbegivenD.aregiven.Wearegladafamouswriter___toourschooltogiveatalknextweek.A.InvitesB.invitedC.willbeinvitedD.wasinvitedAndtheycanvisitplanetslikeMars.他们还能访问像火星一样的星球。like与as的用法区别：

like说明相似关系，即两者在形态、性质上的相似，但不等同。HehasdonealotofgoodthingslikeLeiFeng.他像雷锋那样做了很多好事。as说明同一关系，指身份，意为“作为，当作”Don'ttreatmeasachild.I'm15.别把我当小孩子，我已经十五岁了。as还有“像，按照”的意思。PleasedoitasIdoasItellyou.请照我的吩咐去做。Wewillbeabletodoanythingthatcanbedoneontheearth.我们将能在地球上能做的任何事。（1）beableto+动词原形意为“能，会”，常用于一般现在时、过去时、将来时和完成时时态。它的同义词是can,但它仅有它的同义词是can,但它仅有般现在时和过去时态。在shall,will,have后面，要用beableto。Heisabletocook.=Hecancook.他会煮饭。练一练：EveryonereadmanyEnglisharticlessofar.A.canB.haveC.wasabletoD.hasbeenableto（2）thatcanbedoneontheearth定语从句修饰anythingo从句的谓语动词的是带有情态动词的被动语态，构成形式“情态动词+be+及物动词的过去分词”Treescanbeplantedinspring.树可以在春季栽种。Whatfun!多么有趣啊！这里的fun为不可数名词，意为“有趣的事”。类似的感叹句：Whatapity!=Whatashame!多么遗憾啊！theyarereadinginformationontheinternetinordertolearnabouthumanculture.inorderto・・・・・・意为"为了"，表示目的，后接动词原形，相当于soastooinorderto即可放在句首也可放在句中；soasto只能放在句中，不能放在句首。它们的否定形式都是在to前加not，即inordernotto，soasnotto。Inordernottofailtheexam,hestudiedforfourteenhourseveryday.为了考试不失利，他每天学习14小时。

ShewenttoEnglandlastyearinorderthat/sothatshecouldlearnstandardEnglish.她去年去了英国，为的是学习标准的英语。了英国，为的是学习标准的英语。ButIdon'tthinkalienswillbefoundinspace.但是我认为在太空中找不到外星人。(1)当think,believe,suppose,imagine,expect等动词后接的宾语从句含有not等否定词，且主语为第一人称时，该否定应移至主句，即否定主句的■语动词。Idon'tthinkitwillraintomorrow.我认为明天不会下雨。当主句的主语是第二、三人称时，否定式一般不转移。Hesupposestheywon'twinthegame.他猜想他们赢不了比赛。改写成反意疑问句时，当主句的主语为第一人称时，反义疑问句的主、谓与从句•致。一人称时，反义疑问句的主、谓与从句•致。Idon'tthinkitwillraintomorrow,willit?我认为明天不会下雨，是吗？如■主句的主语是第二、三人称时，反义疑问句的■与主语一致。Hethinkshecanmakeit,doesn'the?他认为他能办到，是吗？SectionBTheywilltravelintospaceanddiscoversomethingnewaboutMars.他们将遨游太空，发现与火星有关的新事物。discoverv.发现（找到原本存在但未被发现的东西）；ColumbusdiscoveredAmericain1492.哥伦布在1492年发现了美洲。inventv.发明（发明的对象是以前从未存在的新东西）；Theinventorinventedalotofthingsallhislife.这位发明家一生发明了很多东西。findv.多指偶然发现、碰到，后可接名词、复合结构或that从句。强调“找”的结果。Haveyoufoundthebookyouhavebeenlookingfor?你找到那本你一直在找的书了吗？findout指通过观察、探索而发现秘密、错误等，后一般接名词或是从句。Haveyoufoundoutwhyhewaslate?你弄清他为什么迟到了吗？lookfor强调“找”的过程。I'mlookingformywatch,butcan'tfindit.我在找我的手表，但没找到。2.ButIprefersciencetodance.但同跳舞相比，我更喜欢科学。常用结构：a.prefersth.tosth.与某物相比，更喜欢某物；Ipreferapplestobananas.与香蕉相比，我更喜欢苹果。preferdoingsth.todoingsth.与做某事相比，更喜欢做某事;Ipreferplayingbasketballtoswimming.与游泳相比，我更喜欢打篮球。prefertodosth.愿意做；Iprefertogoatonce.我愿意马上就走。preferdoingsth.宁愿做某事，更喜欢做某事；Iprefergoingbybike.我宁愿骑单车去。prefertodoratherthandosth•宁可做……而不做，喜欢做……而不做Hepreferredtodieratherthan(to)steal.他宁死也不去偷窃。3.I'mexcitedaboutthethingsthatwillbediscoveredinthefuture.我一想到将来可能被发现的东西就很兴奋。beexcitedabout意为"对很兴奋",excited为形容词。that是连词，引导定语从句。练一练：.We'llfeelaboutalongwinterholidaywe'llspendthisyear.pleasedB.interestedC.amazedD.excited.Idon'tlikestorieshaveunhappyendings.A.whoB.thatC.whereD.thoseSectionC1.Itsdiameteris53%aswideasthatoftheearth•它的直径是地球直径的53%。ThegravityonthesurfaceofMarsisabouttwo-fifthsasstrongasitisonearth.火星表面的引力大约是地球表面引力的五分之二。(1)two-fifthsasstrongas相当……的五分之二强度；two-fifths=twofifths五分之二。(2)倍数词/分数/百分数+as+形容词或副词原级+as的几倍/几分之几/百分之几；练一练：Wehavetwoearsandonemouthsothatwecanlisten___wespeak.A.astwicemuchasB.twiceasmuchasC.asmuchastwiceD.asmuchtwiceasMarsgoesaroundthesunatadistanceofabout228millionkilometers•火星在相隔大约2亿2千8百万千米的地方绕着太阳旋转。atadistanceof相隔；Themoongoesaroundtheearthatadistanceof380000km.月球在距地球38万千米的地方绕地球旋转。atadistance在远处；Thepolicefollowedhimatadistance.警察远远地跟着他。Butduringspringandsummer,thesurfaceofMarsiscoveredbystrongstorms.但在春、夏两季，火星表面会被强烈的风暴所覆盖。A.becovered被覆盖；Thesnakewascoveredbytheearth.这条蛇被土盖住了。B.becoveredwith遮盖，遮蔽；Thegroundiscoveredwithsnow.土地被雪覆盖。4.IthasbeentwodayssincewelandedonMars.自从我们登上火星已经两天了。相当于WehavebeenonMarsfortwodays.这里的时间twodays的计算是从从句的动作land完成后算起的。It'ssixweekswehadapropershowerlasttime.=Wehaven'thadapropershowerforsixweeks.我们已经六个礼拜没有像样地洗澡了。SectionD1.Scientiststhinksthattherehasbeenlifeonearthformillionsofyears.科学家认为地球上生物已经存在了数百万年。Atherehasbeen已经有，是therebe的现在完成时，其结构:Therehas/havebeenTherehavebeenmanykindsofrobotssofar.到目前为止已经有很多种机器人。B.Therebe结构的其他时态形式还有：There

maybe・・・・.可能有；Therewillbe/isgoingtobe将要有……2・Wehaven'tfoundlifeonotherplanetsyet・我们还没有在其他行星上发现生命。already■于肯定句，常可用于yet用作副词，有已经，还的意思.常与一般现在时或现在完成时连用，常用于■句，一般疑问句中,在美式英语中通常用于一般过去时。而于一般过去时(与延续性动词连用)。如果是系表结构的句子，也可用于一般现在时，stillalready■于肯定句，常可用于练一练：・Wearenotsure___whetherwe‘llgoornot・A・alreadyB・yetC・stillD・even・Althoughheisveryold,___heisquitestrong・A・yetB・butC・andD・already・—Whowillteach___oralEnglishnextterm?Canitbeanewteacher?—Perhaps.Butourheadteacherhasn'ttoldus___・A.your,alreadyB.you,yetyou,alreadyD.your,yetWithsomanystarsinspace,arewealone,oristherelifeonotherplanetsinspace?太空中有如此多的星星，我们是单独存在？还是太空中的其他行星也存在生命呢？A.alone独自的，独立的，单独地，作形容词时只可以作表语，不可以作定语，不含感情色彩。Helikeslivingalone.他喜欢独居。B.lonely寂寞的，孤寂的，有浓厚的伤感色彩,可作定语或表语。Heisalone,buthedoesn'tfeellonely.他独自一人，但并不感到寂寞。Somespaceshipshavegonebeyondthesolarsystem.有些飞船已经飞出了太阳系。beyond介词，意为“超过;越过;那一边;在…较远的一边”。练一练：.Thereisatemplethemountain.A.overB.acrossC.beyondD.to.Whathappenedwas___mycontrol.Idon'tknowhowtodoitnext.A.beyondB.inC.ofD.after二．重点语法一般将来时被动语态1.肯定式will(shail)+be+动词的过去分词Anewstadiumwillbeputuphere.2•否定式will(shall)+not+be+动词的过去分词Anewstadiumwillnot(won't)beputuphere.疑问式Will(Shall)+主语+be+动词的过去分词？简略回答Yes主语+will(shall).No,主语+won't(shan't).Willanewstadiumbeputuphere?Yes,itwill．／No，itwon't．特殊疑问句及回答：Whatwillbeputuphere？Anewstadium．三．重点短语：1．beshown将被放映；2．lifeinspace在太空中的生活；3．soundexciting听起来令人兴奋；4．liveonMarsinthefuture未来

5．canbedone能够被做；6．visitplanetslikeMars参观像火星一样的星球；7．spacetravel太空旅游的梦想；8．inthesoil在土壤中；9．onsoftscreen通过不刺目的屏幕；10．sendintospace发射到太空；11．outerspace外太空；12．humanculture人类文化；13．ontheinternet在网上；14．readinformation阅读生活在火星；资料；在电视1515．onTV上；16．thespaceflight太空飞行；17．travelintospace遨游太空；18．mastersomebasiccomputerskills对电脑技术知道一点点;19．performballetonthestage在舞台上跳芭蕾；20．preferto和……相比更喜欢……21．workhard努力学习；22．variousshapesofUFOs不同形状的不明飞行物；23．underthesea在海底；24．intheuniverse在宇宙；25．discoversomethingnew发现新东西；26．hearthenews听到有关的新闻；27．berealized27．berealized实现；将被将被了解，偶在不战神；228million28．willbediscovered揭秘/发现；29．knowabout知道；30．bychance然；31．inthenearfuture远的将来；32．nameafter...以……的名字给……取名33．thegodofwar34．atadistanceofaboutkilometers相隔大约2亿2千8百万千米;35．thesurfaceofMars火星的表面；36．atadistance在远处；37．becovered被覆盖；38．becoveredwith遮盖，遮蔽；39•倍数词/分数/百分数十as+形容词或副词原级+as副词原级+as的几倍/几分之几/百分之几；40．weigh90kilos重达九十公斤；41．reachMarsfromtheearth从地球到达火星；42．beclosesttoeachother彼此相距最近；43．searchformoreinformation搜寻更多的信息；44．haveagoodclimatefor有适合……的气候；45．heavypeople胖人；46．What'smore而且；47．What'sworse更为糟糕的是；48．goaroundthesun围绕太阳转；49．sevenotherplanets另外

七颗行星；50．thesolarsystem太阳系；51．asmallpartoftheuniverse宇宙的一小部分；52．launchmanyspaceships发射很多宇宙飞船；53．exploreotherplanets探测别的行星;54．beyondthesolarsystem超出太阳系；55．sendsb.amessage给某人发送信息；练习。A.选择题：Electricitywas___manycenturiesagoandelectriclightswerelater__.discovered,discoveredinvented,inventeddiscovered,inventedinvented,discoveredB.beusedWoodcan___paper.B.beusedA.usedtomakemakeC.beusedtomakeD.beusedtomaking—I'mafraidtheclasshasbegun.—Don'tworry.It___untilthebell___.A.doesn'tbegin,ringsB.won'tbegin,willringC.won'tbegin,ringsD.doesn'tbegin,willring—Whatdidyouthinkofherspeech?—She___foronehourbutdidn't___much.A.spoke,speakB.spoke,sayC.said,speakD.said,sayHefoundtherare（罕见的）bookheneededinasmallsecond-handbookshop__.A.bymistakeB.bythewayC.bychanceD.byoneself6.Imuch___jazztorockmusic.A.giveB.buyC.preferD.likeWe'dlikeasmanystudentsaswecantoourschoolsportsmeetingnextweek.A.joinB.jointoC.attendDtakepartinThegirlfinally___herdreamofbecominganactress.A.achieveB.realizedC.realizeD.made—It'ssaidthatMoYan'sspeechwaswonderful.—That'sture.Weclappedourhands__manytimesduringhisspeechyesterday.A.excitedB.excitedlyC.excitingD.excitinglyManypeoplewillcometoRiodeJaneirowhenthe31stSummerOlympicGames___inBrazilinAugust,2016.A.willholdB.willbeheldC.isheldD.hold11.Ifyouhavetroublepronouncingthesewords,youcanrepeatthemoverandoveragain___youarecomfortablewiththem.A.unlessB.ifC.untilD.while12.IwanttoknowifanEnglishSingingCompetitionnextmonth.A.willholdB.holdsC.isheldD.willbeheldNowmoreandmorepeopleinZhengzhouchoosegotowork___underground.A.inB.withC.byD.forBettylikesdancing,butshe__singing___dancing.A.prefers,toB.both,andC.likes,andD.likes,orThesciencenovelisworth.Becauseitcanmakeyouinterestedinscience.A.readB.readingC.toreadD.readit—Whatdidyourteachertellyoujustnow?—Hetoldusthattheeartharoundthesun.A.wentB.goesC.goingD.gone17.It___fiveyearssincewe___ourhometown.A.was,leftB.was,leaveC.hasbeen,leftD.is,leave19.Shelooks___strongerthanbefore.A.tooB.quiteC.muchD.very—It'sreportedthataship___carried476passengersturnedoverand（沉没）offanislandinSouthKoreaonApril16,2014.—___terriblenewsitwas!A.what,WhataB.which,WhatC.that,HowD.which,Howawenthikinglastweekendbecauseofthebadweather.A.SomeoneB.NooneC.EveryoneD.NothingWiththedevelopmentofindustry,theremanykindsofrobotsinrecentyears.A.hasbeenB.isgoingtobeC.havebeenD.were—Cindy,let'sgotoseethemovie.—Oh，I___itmanytimesbefore,soIdon'twanttoseeit.A.seeB.sawC.haveseenD.willseeNooneinourclasshasmet___alien___.A.a,alreadyB.an,alreadyC.a,yetD.an,yet—Hey，Tom.Let'sgoswimming.—Justamoment.I___amessage.A.sendB.sentC.amsendingD.havesentThesebananaslookdifferentandtheyaresweet.Right.TheyherefromTaiwanyesterday.A.wasbroughtB.werebroughtC.bringD.arebroughtMom,ma