Unit4topic3课件

西峡重阳一中谢寒英 Unit4Topic3 SectionC Teachingaimsanddemands LearnmoreknowledgeaboutMars Improvestudents readingability Fosterstudents activeattitudetowardsscienceandexploreinthefieldofsciencePositively ItisreportedthatChinaplanstotakepartinaninternationalflighttoexploreMars WhatdoyouknowaboutMars Whatdoesitlooklike 这是两张火星图片 你可以选择不同尺寸观看 卫星图片处理而成的火星地形图 下面两张图片是火星东西两半球的景象 太阳 Marsgoesaroundthesunatadistanceofabout228millionkilometers ThetemperatureonMarsisbetween 140 and20 140 minusonehundredandfortydegreesCelsius minusonehundredandfortydegreescentigrade onehundredandfortydegreescentigradebelow 数字 minus 数字 degreesCelsius degreescentigrade数字 degreesCelsius degreescentigrade below Marsisaquarterasbigastheearth 这幢新楼比那幢旧楼大四倍 Thenewbuildingis asbigastheoldone TheearthisfourtimesasbigasMars Theoldbuildingis asbigasthenewone fourtimes aquarter CanyoutellwhichplanetisMars Itisbrightredinthenightsky CanyoutellwhichplanetisMars Itlookslikearedandorangeball Duringspringandsummer strongstormscancoverthewholesurfaceofMars ThegravityonthesurfaceofMarsisabout asstrongasitisontheearth onethird Aperson weighsonly30kilosonMars whoweighs90kilosontheearth 重力 引力 地心引力 Whycan tweliveonMars TheaironMarshasonly0 13 oxygen 氧气 zeropointonethree thirteenpercent Ittakesaspaceshipfromearthabout toreachMarswhenthetwoplanetsareclosesteachother eightmonths HowlongdoesittakeaspaceshipfromearthtoreachMars 1What sreported 2WhatdoesMarslooklike 3What stheweatherlikeonMars 据报道 Itisreportedthat 据说 Itissaidthat 据报道那个人死于车祸 Itisreportedthatthemandiedinacaraccident Itsdiameteris53 aslongasthatoftheearth 它的直径是地球直径的百分之十三 aquarterasbigas 相当于 的四分之一大 Tom sroomisaquarterasbigastheroom 汤姆的房间是这个房间的四分之一 twotimesaslongas 像 两倍一样长 SanguBridgeistwotimesaslongasChengdongBridge 三姑桥是城东桥的两倍 onethirdasstrongas相当 的三分之一强度 flight fly flew flown at fromthedistanceof 相隔 在五英哩远的地方 你会看到那座大房子 Youcanseethebighouseat 或from adistanceoffivemiles 这幅画从远处看很美 Thepicturelooksbeautifulat 或from adistance Read1aagainandfinish1b Read1aagainandfindoutinformationaboutMars Color Shape Climate Distancefromthesun It sredandorange Itlookslikeaball Duringspringandsummer strongstormscancoverthewholesurfaceofMars ThetemperatureonMarsisbetween 140 and20 Marsgoesaroundthesunatadistanceofabout228millionkilomaters Retellthepassageaccordingtothekeywords Mars fourth named diameter adistanceof tell because brightred ball storms gravity temperature oxtgen eightmonths cloest searchingfor Mars the planetofthesolarsystem goesaroundthesunata ofabout228millionkilometers Its is53 aswideasthatoftheearth itlookslikea and ball Itisverybeautiful Butduring and strong cancoverthewhole ofMars Thegravityonthesurfaceofitisabout as as itisonearth Listentothetape answerthefollowingquestions Whoisthise mailfromandto Howlongdidittakethemtogetthere Dideverythinggowellduringthejourney 1 There sa 风暴 comingon We dbettergohome 2 Putthestone 相隔 20metresfromthedoor 3 三分之一 oftheleavesofthetreehaveturnedyellow 4 IsMarsbiggerthantheearth No It sabout theearth AasbigasBasbiggerasCthesamebigasDaquarterasbigas5 Whattimewillyou Nanning At6o clocknextmorning AreachtoBgetCarriveDreach storm atadistanceof Onethird D D Whatdidyoulearninthisclass It sreportedthat 倍数的表示 倍数 as 形容词或副词原级 as atadistanceof相隔 Homework Supposeyouarean