高中英语m3教学资料-unit 4 m 3 using languag.ppt

Revision TextbookP 29 2 3 Ex 2 1 Whathediscoveredhasn tyetbeenproved 2 Whethertheotherastronomersaccepthisideasremainsaquestion 3 Howlifefirstappearedonearthisstillamysterytoscientists 4 Whytheearthisbecomingwarmerisanimportanttopicforresearch 5 ItamazedthateverybodythatstephenHawkingat65expericed 6 ItisasurprisethatPlutoisnolongerconsideredaplanetinoursolarsystem Whatisgravity Giveanexample Everythingwillfallbacktotheearthifitisdroppedorthrownaway Thepulloftheearthiscalledgravity IsaacNewtonAlbertEinsteinStehpenHawking Whatdotheyhaveincommon Whogottheideaofgravityfirst How Thelawofgravity Thetheoryofrelativity blackholes Listenandfillinthechart Large pulls bigger stronger e g Theearthiscirclingaroundthesun ReadingAvisittothemoon Fastreading 1 Howmanytimesdidtheforceofgravitychangeontheirjourney Threetimes ReadthepassageandwritedownthreewaysinwhichgravityandweightchangedforLiYanping Thegravitybecamevery Thegravity Itbecamevery Hisweightis Heis Heweights thanonearth strong normal disappeared weightless light less Zerogravity Discussion Howdoyouunderstand Leavingthemoon sgravitywasnotaspainfulasleavingtheearth s Butreturningtotheearthwasveryfrightening Thatisbecausethegravityofthemoonislessthanthatoftheearthandthusitisnotpainful 1 avisittothemoon thejouney payavisittosp visitsp n vt callatsp dropinatsp 拜访某地callonsb dropinonsb 拜访某人 4 explainsthtosb explaintosbsthexplaintosbthat 向某人解释5 theforceofgravity重力6 宾语从句第二个that不省略7 beoff离开 动身Imustbeoffnow 2 haveachancetodosthtake catchachance抓住机会miss loseachance失去机会3 makeatripintospace作一次太空旅行send upintospace把 送入太空carry upintospace 8 escapethepulloftheearth sgravity9 falltotheground落到地上10 Whenwegetclosertothemoon weshallfeelitsgravitypullingus butitwillnotbeasstrongapullastheearth s get become becloseto靠近feelsbdoingsthAis not as adj a n asBHeisnotas sogoodaboyasTom 11 cheer sb up 使 感到高兴12 floatweightlesslyaround飘来飘去13 climbdownthesteps14 stepforward向前迈步15 ButwhenItriedtostepforwardIfoundIwascarriedtwiceasfarasontheearthandfellover 而当我试着向前迈步的时候 我发觉我被送出去很远 步子的跨度竟是地球上的两倍 因而我摔倒了 英语常见倍数的表示句型 1 倍数 as adj adv as 是 的几倍 Myroomistwiceaslargeashis 2 倍数 adj adv 比较级 than 比 多 大 几倍 Myroomistwicelargerthanhis 3 倍数 the 表示长度 高度 宽度等的名词 of 是 的长度 高度 宽度几倍 Myroomistwicethesizeofhis 注意 此结构中常用的名词有 size height weight length widthdepth等 例如 练习 完成句子或翻译 这把尺子是那把的三倍那么长 Thisruleristhreetimesaslongasthatone Thisruleristwicelongerthanthatone Thisruleristhreetimesthelengthofthatone 16 twiceasfaras 17 fallover18 Walkingdoesneedabitofpraticenowthatgravityhaschanged 19 getthehangof20 Wewatched feeling amazedasfirebrokeoutontheoutsideofthespaceshipastheearth sgravityincreased LastmonthIvisitedthemoonwithmyfriend Beforeweleft Iwastoldtheforceofg wouldchangethreetimesonourjourney Thenwetookoff Aswelefttheearth theforcewasp Graduallytheweightl WhenIwasinspace itd Wef weightlesslyinthecabinandIc WhenIwasonthemoon Iwassurprisedtofindoutevenwalkingneedslotsofpracticen gravitychanged Thereturningoftheearthwasveryf Wewereamazedtowatchfireb ontheoutsideoftheship ravity owerful essened isappeared floated heeredup nowthat rightening reakout Homework 1 背单词 词组2 练习卷4 1 luckyeno