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Avisittothemoonspacewalk★Lookatthepictures!★ReadingI----scanning&skimming(2m)Howdoestheforceofgravitychangeifyouvisitthemoon?gravity:forcethatattractsobjectsinspacetowardseachother.万有引力，重力，地心引力Whatistheearth’snaturalsatellite?Themoon.（自然卫星）P30Fastreading:Readthepassagequickly,finishthetrueorfalsequestions:1.Theforceofgravitywouldchangefourtimesontheirjourney.()2.Whentheywereonthemoon,theywouldnotfeelthegravitybecausetherewasnogravityonthemoon.()3.Sincethegravityhaschanged,theirwalkdidn’tneedalotofpractice.()FFFStep2Detailreading:ReadPara2carefullyandunderline3sentencesthatareaboutthechangesoftheforceofthegravity.threetimesThewaygravitychangedLefttheearthInspacenearthemoon3.Itbecameverylight.1.Itbecameverystrong.2.Thegravitydisappeared.ListentoPara3andfillintheblanks.Whenwegotthere,Iwantedto________immediately.“Comeon,”Isaid.“ifyouareright,my______willbe_________ontheearthbecausethemoonissmallerandIwill__________movemore_________.Imightevengrow_______ifIstayhere_______________”exploremasslessthanbeabletofreelytallerlongenoughReadPara.4andanswer:Wastheirreturningpainful?Howdoyouknow?Whathappenedtothespaceship?Yes.Firebrokeoutontheoutsideofthespaceship.1.LastmonthIwasluckyenoughtohaveachancetomakeatripintospacewithmyfriendLiYanping,anastronomer.上个月我有幸得到一个机会同我的朋友，一位宇航员李彦平一道去太空旅行。Languagepoints1.用作名词，表示“足够(的数目或数量)，没有复数形式，但根据情况可表示复数意义。如：Enoughhasbeensaidaboutthissubject.关于这个问题已说得够多了。Enoughwerepresenttoconstituteaquorum.出席的人数够法定人数。2.用作形容词，可以修饰复数名词或不可数名词，可放在被修饰名词之前或之后(但以前置为多见)。如：1.Hehasenoughmoneytobuyacar.2.Wehavetimeenoughtogettotheairport.我们来得及赶到机场。【注】有时与某些具有形容词意味的名词连用，此时enough必须后置，且该名词通常不用冠词。如：Iwasfool[=foolish]enoughtoaccepthisoffer.我接受他的提议真是太傻了。3.用作副词，可用来修饰形容词、副词、动词等，此时总是放在被修饰语之后。1.Hedidn’tpracticeenough.2.Sheisn’tgoodenoughfor[=topass]theexam.她的功课还不够好，还考不及格。Idon’tknowhimwellenoughtoaskhimforhelp.其后可接不定式或介词for,但一般不接that-从句。如：在这条河里游泳水够深吗?误：Istheriverdeepenoughthatpeoplecanswimin?正:Istheriverdeepenoughtoswimin?正:Istheriverdeepenoughforswimmingin?2.Thenwewereoff.随后我们就启程了。beoff=setoff出发；动身Iamofftoday.我今天不用上班。Weareofftoday.今天我们不上班/今天我们不开张。与off相关的短语:see...off送行jumpoff跳下giveoff散发showoff炫耀getoff下车takeoff脱下turnoff关闭payoff付清；还清3.Whenwegetclosertothemoon,weshallfeelitsgravitypullingusbutitwillnotbeasstrongapullastheearth’s.当我们更接近月球时，就会感到月球的引力在拉我们。但是，月球的引力不像地球的引力那么大。getcloseto靠近，接近，指动态变化becloseto距......近，指状态Theschoolisclosetothepostoffice.4.cheerup:欢呼，喝彩，感到高兴，使高兴。当看到球队的到来，人群欢呼起来。_____________________whentheysawtheteamarrive.他带她去听音乐会来使她高兴。Hetookher_____________to____________.Thecrowdcheereduptotheconcertcheerherup7.cheerup;cheersbup感到高兴振奋8.massesof许多，大量9.getthehangof熟悉,掌握,理解10.exhausting(sth);exhausted(sb)12.ButIstepforwardIfoundIwascarriedtwiceasfarasontheearthandfellover.在本句中，用twiceasfaras表示倍数，符合“倍数+典型例句:Theroadistwiceaswideasthatroad.这条路是那条路的两倍宽相关链接:此类相似结构还有:倍数+比较级;倍数+what;倍数+抽象名词等。WhatIgetistwicemorethanMrWang.Theroomistwicethesizeofmybrother’sroom.Yourshirtistwicethesizeofmine.你的衬衫是我的衬衫两倍大。(1)—Howareyougettingonwithyourproject?—______yourspeed.A.TwicefasterthanB.TwiceasfasterasC.DoubleD.Astwiceas(2)Thehouserentisexpensive.IhavegotabouthalfthespaceIhadathomeandIampaying______here.A.as3timesmuchB.asmuchthreetimesC.muchas3timesD.3timesasmuch6.…“walkingdoesneedabitofpracticenowthatgravityhaschanged.”......既然引力改变了，走路也的确需要练一练了。nowthat同since相似，语气较弱，强调人们已知的事实。Translation:1.既然你忙,就让我给你做吧。Nowthatyouarebusy,letmedoitforyou.2.既然人都齐了,咱们开始干吧。Nowthateveryoneishere,let’sstartwork．7.Wewatched,amazedasfirebrokeoutontheoutsideofthespaceshipastheearth’sgravityincreased.amazed是过去分词，此处做状语用他进来的时候没有人注意到.Hecamein________.breakout(战争,争吵,疾病等)爆发unnoticed它与happen,takeplace,comeout等词的用法一样，是不及物动词，不能带宾语，不能用于被动语态。与break相关的短语:breakdown打破;毁掉;breakin破门而入;打断breakawayfrom脱离政党;打破陈规breakthrough突围;突破breakup打碎;拆散;分裂;分解breakone'sword/promise食言;说话不算数.4.getthehangofsth查看某物运作了解…..的意义我一直想知道这部新的打字机的用法.I’vebeentryingto______________thisnewtypewriter.我不十分了解你的论据的意义.Idon’tquite__________yourargument.getthehangofgetthehangof3）用作副词修饰动词时也需放在动词之后。Themeatisnotcookedenough.肉炖得不够熟。IfIhad_____________________(足够长的假期),I’dvisitEurope,stoppingatallthesmallinterestingplaces.alongenoughholiday经过实验，这种细胞已经变得有那种细胞的三倍大了．1.Aftertheexperiment,thiscellhasbecomethreetimesaslargeasthatone.2.Aftertheexperiment,thiscellhasbecometwicelargerthanthatone.3.Aftertheexperiment,thiscellhasbecomethreetimesthesizeofthatone.