九年级英语Unit4 Topic 3 Section D 课件仁爱版Unit 4 Topic 3 Section D.ppt

unit4topic3wewillliveinspaceoneday sectiond 1 marsgoesaroundtheearthatadistanceofabout228millionkilometres2 itisonefourthasbigastheearth 3 marslookslikearedandblackball 4 itisverybeautiful 5 apersonweighs120kilosonearth butonlyweighs40kilosonmars 6 thetemperatureonmarsisbetween 120 and20 7 ittakesaspaceshipfromearthabouteightyearstoreachmarswhenthetwoplanetsareclosesttoeachother thesolarsystem thesolarsystemislikethehomeoftheeightplanets ourplanet theearth isthethirdplanetfromthesun theuniverse however thesolarsystemisasmallpartoftheuniverse scientistshavesentupspaceshipstoexploreotherplanetsinthesolarsystem what smore somespaceshipshavegonebeyondthesolarsystem scientistswilldomoreresearchaboutthespace soboysandgirls youmuststudyhard thenyoucandosomethingusefultohelpresearchthespaceoneday doyouthinkso hasanybodyfoundlifeonotherplanets 2 howmanyotherplanetsarethere answerthefollowingquestions retellthepassageaccordingtothekeywordsofthepassage life millionsofyears onotherplanets theearth goaround seven thesolarsystem universe launch explore beyond discover message information alone changethefollowingsentencesintopassivevoice 1 wecanseemanystarsintheskyonafineevening 2 youmayfindlifeonotherplanetsoneday 3 theymustrecordtheirdailylifeinthespaceship 4 weshouldstudytheuniversecarefully 5 thehumanbeingsmustn tthrowgarbageintospace manystarscanbeseenintheskyonafineevening lifemaybefoundonotherplanetsoneday theirdailylifeinthespaceshipmustberecorded theuniverseshouldbestudiedcarefully garbagemustn tbethrownintospace 要点展现 1 scientiststhinkthattherehasbeenlifeonearthformillionsofyears 科学家们认为在地球上生物已存在了数百万年 注 therehasbeen是therebe句型的现在完成时态 其结构是 therehave hasbeen e g therehavebeenmanykindsofrobotssofar 到目前为止已经有很多种机器人 趁热打铁 用所给词的正确形式填空 1 moreman madesatellitesmust sent upintospace 2 mancan clone byscientists besent becloned 趁热打铁 3 alicewouldliketo be anastronautwhenshegrowsup 4 thesunanditsplanets call thesolarsystem 5 theworkshould do atonce be arecalled bedone 要点回顾 单选题 1 whatdoesit aballa colorb shapec lookliked like 2 ismarsbiggerthantheearth no it sabouttheearth a asbigasb asbiggerasc thesamebigasd aquarterasbigas d c 要点回顾 3 2 5 inenglishis a twofifthsb secondfivec twofived secondfifth 4 ifanelephantweighs1200kilosontheearth itweighso