人教课标版高一必修3Unit4ExtensivereadingExtensivereadingExtensivereadingExtensivereadingspacewalkLookatthepictures!ReadandthendescribethethreewaysinwhichgravitychangedforLiYanpingandhowhisweightchanged.1.Thepullofgravitybecameverystrongshelefttheearth’satmosphere.Hisweightisnormal.2.Itdisappearedwhenhewasinspace.Heisweightless.3.Itwasverylightwhenhewasonthemoon.Heweighslessthanonearth.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。Languagepointsenough的用法:1）用作代词：作主语或宾语。Youhavedonemorethanenough.你已做得够多了。Ihavehadenough.Thankyou.我吃的已经够多的了，谢谢。2）形容词作定语：enough用在名词前、后都可以。Ihaveenoughtimetodothework./Ihavetimeenoughtodothework.我有足够的时间做此项工作。3）用作副词修饰形容词或副词表示程度:enough一般放在形容词或副词的后边。longenough,easyenough,fastenough,quicklyenough等。但一般不说：enoughlong,enougheasy,enoughfast,enoughquickly.Theboyisoldenoughtogotoschool.这孩子到上学的年龄了。Hecouldn’trunquicklyenoughtocatchupwiththecat.他跑的速度太慢，追不上猫。4）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/anenoughlongholiday)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。set...off送行kickoff踢球jumpoff跳下giveoff散发showoff炫耀shutoff关闭getoff下车takeoff脱下turnoff关闭payoff付清；还清与off相关的短语:3.Whenwegetclosertothemoon,weshallfeelitsgravitypullingus,butitwillnotbeasstrongapullastheearth’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.与get相关的短语:getalong相处融洽，进展等getdownto开始认真对待，开始认真考虑geton上车getthrough到达；通过；办完，花光(钱、时间等)。getto到达1.Don’ttalktoomuch.Let’s_________working.2.Hurryup,orwe’llbelateto______thebus.3.It’seasyto_______thedifficulty.4.Ihave__________alotofpapers.5.Shemanagedto______thevillage.getdowntogetongetovergotthroughgettogetdownto;geton;getthrough;getto;getover;getup1).“A+be+倍数+as+形容词原级+as+B”.Thistreeisthreetimesastallasthatone.Hisfatheristwiceasoldashe.2).“A+be+倍数+形容词比较级+than+B”4.ButwhenItriedtostepforward,IfoundIwascarriedtwiceasfarasontheearthandfellover.TheYangtzeRiverisalmosttwicelongerthanthePearlRiver.长江差不多比珠江长两倍。Thenumberofstudentsinourschoolisthreetimeslargerthanthatintheirs.我们学校的学生数量比他们学校的多三倍。3).“A+be+倍数+the+名词(size,length,amount)+of+B”Thenewlybroadenedsquareisfourtimesthesizeofthepreviousone.新扩建的广场是未扩建时的四倍大。—Doyouregret_______(pay)100dollarsforthepainting?—No,Iwouldgladlyhavepaid__________(两倍那么多了)forit.(paying;twiceasmuch)讲解:regret后跟动名词的一般式、完成式和不定式的完成式都表示对过去做过的事情感到后悔，跟不定式一般式表示对即将做的事情感到遗憾，常用来表达委婉。twiceasmuch为倍数的表达法，在这里为省略形式，相当于twiceasmuchasthat。5....“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...
