高中英语《Unit 4 Astronomy the science of the stars》period 3课件 新人教版必修3.ppt

astronomy thescienceofthestars periodthree usinglanguage usinglanguagewarmingup 1 whoisthefirstchineseastronauttogointospace 2 whatwasthedatewhenhecircledtheearthinspace a november15 2003b october15 2003c september17 2004d december17 20043 whichcountryfirstsentpeopleuptospace 4 sofar howmanycountrieshavesucceededinsendingpeopleuptospace 5 whoisthefirstmanlandingonthemoon yangliwei a thesovietunion three armstrong america 1969 presentation avisittothemoon rocket 1 whohadachancetotraveltothemoon 2 howdidtheytraveltothemoon 3 wasthereanythingchangedontheirjourney questions 4 howmanytimeswouldtheforceofgravitychangeontheirjourney when whichchangewouldbethemostpowerful whatabouthisweight questions onthemoon thechangeofgravity inspace verystrong disappeared verylight leavetheearth hebecameveryheavy hehadnoweightandcouldfloatweightlesslyaroundintheirspaceship hewasaboutone sixthofhisweightontheearth readthepassageandfillintheform 5 whathappenedtohimwhenhetriedtostepforward 6 whywasreturningtotheearthveryfrightening 7 howdidhefeel questions lastmonthivisitedthemoonwithmyfriend beforeweleft iwastoldtheforceofg wouldchangethreetimesonourjourney thenwetookoff aswelefttheearth ibecameveryh graduallytheweightl wheniwasinspace itd wef weightlesslyinthecabinandic wheniwasonthemoon iwassurprisedtofindoutevenwalkingneedslotsofpracticen gravitychanged thereturningoftheearthwasveryf wewereamazedtowatchfireb ontheoutsideoftheship gravity heavy lessened disappeared floated cheeredup nowthat rightening breakout fillintheblanks discussion ifyouwanttovisitthemoon whatthingsyoumustprepareandwhatkindsofqualitiesyoushouldhave 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 languagepoints enough的用法 1 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 2 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 fastenough quicklyenough等 但一般不说 enoughlong enoughfast enoughquickly theboyisoldenoughtogotoschool 这孩子到上学的年龄了 3 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 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 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 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 thecrowdcheeredup totheconcert cheerherup 1 a be 倍数 as 形容词原级 as b thistreeisthreetimesastallasthatone hisfatheristwiceasoldashe 5 butwhenitriedtostepforward ifoundiwascarriedtwiceasfarasontheearthandfellover 而当我试着向前迈步的时候 我发觉我被送出很远 步子的跨度竟是在地球上的两倍 因而我摔倒了 2 a be 倍数 形容词比较级 than b 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 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 6 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 我们惊奇地看着 随着引力的增加 宇宙飞船的外层燃烧起来了 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 1 战争爆发theamericancivilwarbrokeoutin1861 美国内战爆发于1861年 2 发生争吵aquarrelbrokeoutbetweenthem 他们之间发生了争吵 3 火灾 发生afirebrokeoutinhishouselastnight 昨晚他家里失火了 与break相关的短语 breakdown打破 毁掉 破除 坍塌 坏掉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 exercises translation 1 太阳系 2 及时 总有一天 3 阻止 制止 4 依靠 信赖 5 感到高兴 6 既然 由于 7 蔓延 8 一般而言 9 除了 之外还 10 作一次太空旅行 solarsystem intime preventfrom dependon cheerup nowthat spread generallyspeaking aswellas makeatripintospace 11 熟悉 掌握 12 突发 爆发 13 增多 使繁殖 14 大气层 气氛 15 随着时间的流逝 16 与 不同 17 冷却 18 失重地 19 全球变暖 20 地心引力 getthehangof breakout multiply atmosphere astimewent goesby bedifferentfrom cooldown weightlessly globalwarming gravity 21 产卵 22 在表面上 23 两倍远 24 非常幸运 25 向某人解释 26 靠近 接近 2