【同課異構(gòu)】人教版高一英語必修3課件：Unit 4 Section Four.ppt

unit4astronomy thescienceofthestars usinglanguage avisittothemoon onesmallstepforaman onegiantleapformankind neilarmstrong 1930 usa helandedonthemooninjuly1969 這是個人邁出的一小步 但卻是人類邁出的一大步 whowasthefirstmanlandingonthemoon spacewalk lookatthepictures spaceship float zerogravity weightless wevisitedthemooninourspaceship para 2 beforeweleft liyanpingexplainedtome themostpowerful para 1 butreturningtotheearthwasveryfrightening para 4 whenwegotthere iwantedtoexploreimmediately para 3 fastreading readthepassagequicklyandtrytofindthetopicsentenceofeachparagraph theforceofgravitywouldchangefourtimesontheirjourney 2 whentheywereonthemoon theywouldnotfeelthegravitybecausetherewasnogravityonthemoon 3 sincethegravityhaschanged theirwalkdidn tneedalotofpractice 4 avisittothemoon wasnotarealstorybutsciencefiction f f f t trueorfalsequestions detailedreading readandthendescribethethreewaysinwhichgravitychangedforliyanpingandhowhisweightchanged 1 thepullofgravitybecameverystrongashelefttheearth satmosphere hisweightisnormal 2 itdisappearedwhenhewasinspace heisweightless 3 itwasverylightwhenhewasonthemoon heweighslessthanonearth 1 lastmonthiwasluckyenoughtohaveachancetomakeatripintospacewithmyfriendliyanping anastronomer languagepoints haveachancetodo有機(jī)會做某事ihopeicanhaveachancetotraveltospace givesbachance給某人機(jī)會couldyougivemeonemorechance bychance byaccidentidiscovereditbychance 2 whenwegetclosertothemoon weshallfeelitsgravitypullingus butitwillnotbeasstrongapullastheearth s getcloseto靠近 接近 指動態(tài)變化becloseto距 近 指狀態(tài)theschoolisclosetothepostoffice 家長應(yīng)該阻止孩子接近火 parentsshouldpreventchildrenfromgetingclosetofire as adj a 可數(shù)名詞單數(shù) asas adj 不可數(shù)名詞或可數(shù)名詞復(fù)數(shù) as和 一樣heaskedmeasdifficultaquestionasyours ihaveasmanyfriendsashe 3 icheeredupimmediatelyandfloatedweightlesslyaroundinourspaceshipcabinwatchingtheearthbecomesmallerandthemoonlarger cheerup i msureyou llfeelbettertomorrow hetriedtocheerthemupwithfunnystories 1 a be 倍數(shù) as 形容詞原級 as b thistreeisthreetimesastallasthatone hisfatheristwiceasoldashe 4 butwhenitriedtostepforward ifoundiwascarriedtwiceasfarasontheearthandfellover theyangtzeriverisalmosttwicelongerthanthepearlriver 2 a be 倍數(shù) 形容詞比較級 than b 3 a be 倍數(shù) the 名詞 size length amount of b thenewlybroadenedsquareisfourtimesthesizeofthepreviousone 考例 ournewlibraryis theoldone a fourtimesaslargeasb fourtimesthesizec fourtimeslargerd fourtimeslargerthanthat 5 walkingdoesneedabitofpracticenowthatgravityhaschanged nowthat同since相似 語氣較弱 強(qiáng)調(diào)人們已知的事實(shí) 后跟句子 translation 既然你有機(jī)會 就應(yīng)該充分利用它 nowthatyou vegotachance youshouldmakefulluseofit 6 wewatched amazedasfirebrokeoutontheoutsideofthespaceshipastheearth sgravityincreased breakout它與happen takeplace comeout等詞的用法一樣 是不及物動詞 不能帶賓語 不能用于被動語態(tài) 1 戰(zhàn)爭爆發(fā)theamericancivilwarbrokeoutin1861 2 發(fā)生爭吵aquarrelbrokeoutbetweenthem 3 火災(zāi) 發(fā)生afirebrokeoutinhishouselastnight breakdown 精神 身體 崩潰 談判等 破裂breakin破門而入 打斷 與break相關(guān)的短語 breakthrough突圍 突破 breakup打碎 解散 ifyouweregoingtothemoon whatthingswouldyouneed why thingsneededonthemoon oxygentanks spacefood spacesuit water step3 discussion spaceship qu