九年级英语上册Unit4AmazingScienceTopic2I’mexcitedaboutthethingsthatwillbediscoveredinthefutureSectionC课件仁爱版.pptx

Unit4AmazingScienceTopic2Imexcitedaboutthethingsthatwillbediscoveredinthefuture.,SectionC,Whatareyougoingtobewhenyougrowup？Why?,DoyouknowanythingaboutMars?,solarsystem,MarsisthefourthplanetfromthesuninoursolarsystemandisnamedafterMars,theRomangodofwar.,Mars,theRomangodofwar,被命名,太阳系,罗马战神,n.风暴，暴(风)雨,Itismuchsmallerthantheearth.Itsdiameteris53%oftheearths.,直径,Duringspringandsummer,thestrongstormscancoverthewholesurfaceofMars.Thegravityonitssurfaceisabout40%asstrongasitisonearth.,引力，重力,1aReadandunderstand.LookatthepicturesandpredictwhichstatementsaretrueaboutMars.Thenreadthepassagequicklyandchecktheanswers.,_1.Marslookslikearedball._2.ThetemperatureonMarsisveryhigh._3.Marsismuchlargerthantheearth._4.Marsistoofarawayforustoreach.,T,F,F,F,Listento1aandanswerthequestions.,(1)WhatdoesMarslooklike?Itlookslikearedandorangeball.(2)HowfarisMarsfromthesun?Itsabout228millionkilometersawayfromthesun.(3)WhatsthetemperatureonMars?Itisbetween-138and28.,1.Itsdiameteris53%aswideasthatoftheearth.它的直径是地球直径的53%。2.ThegravityonthesurfaceofMarsisabouttwo-fifthsasstrongasitisonearth.火星表面的引力大约是地球引力的五分之二。倍数(分数)+as+adj.+as的几倍3.Marsgoesaroundthesunatadistanceofabout228millionkilometers.火星在距太阳约228000000千米处环绕着太阳转。atadistanceof有距离,LanguagePoints,4.ScientistsarestillsearchingformoreinformationaboutMars.科学家们正在对火星进行更多的探索。searchfor:表示没有“被搜索的对象”只有“寻找的目标”。如：Allnighttheysearchedforthelostboy.searchfor表示搜查某一对象的目的是要找到什么,强调有具体的目标。如：ShesearchedmanyshopsforJimsgift.search意为“在搜查”或“搜身”,是个及物动词，后面直接跟“被搜查的对象”。如：Mr.Smithsearchedeveryroominthehouse.,LanguagePoints,1bRead1aagainandwritedowntheinformationaboutMars.,53%aswideasthatoftheearth,redandorange,aball,duringspringandsummer:strongstormstemperature:between-138and28,abouttwo-fifthsasstrongasitisonearth,about228millionkilometers,Keywords,Mars,fourth,benamedafter,diameter,aswideas,atadistanceof,tell,because,brightred,ball,storms,gravity,temperature,oxygen,eightmonths,closestto,searchingfor,Retell1a,Mars,the_planetofthesolarsystem,goesaroundthesunata_ofabout228millionkilometers.Its_is53%aswideasthatoftheearth.Itlookslikea_and_ball.Itsverybeautiful.Butduring_and_,strong_cancoverthewhole_ofMars.Thegravityonthesurfaceofitisabout_as_asitisonearth.,Exercise,fourth,distance,red,orange,spring,summer,storms,surface,two-fifths,strong,diameter,1cDiscussthecrazyquestionswithyourpartnerandstateyourreasons.,1.DoesMarshaveagoodclimateforplants?2.IsMarsausefulplacetodryfruit?3.IsMarsagoodplaceforhumanbeingstolive?4.IsMarsacomfortableplaceforheavypeople?,Read2andanswerthequestions.,(1)Whoisthise-mailfromandto?ItisfromUncleStephentoKangkang.(2)Howlongdidittakethemtogetthere?Morethantwoyears.(3)Dideverythinggowellduringthejourney?No,itdidnt.,HiKangkang,Ithasbeentwodays_(since,from)welandedonMars.It_(cost,took)usmorethantwoyearsto_(reach,get)here.Generally,thejourneywentwell,butthelivingconditionswere_(quiet,quite)badduringthejourney.Wehadtoproducemostofthefoodinthespaceship._(Whatsmore,Whatsworse),ourwatersupplieswereverylow.Wehadtolimittheuseofwaterduring_(those,these)days.Sowehadashowereverysixweeks.Wewillspendanothersevenhundredandsixty-threedaysonMars._(How,What)alongtime!Ioftenmissthefamily,buttheexcitementofbeingonMarsisworthit!Wishmeluck!Yours,UncleStephen,since,took,get,quite,Whatsworse,those,What,2Kangkangsunclesentane-mailtohimfromMars.Choosetherightwordstocompletetheletter.,clothingfoodanddrinksweathertransportation,3aWritebackane-mailtoUncleStephenforKangkangandaskhimformoreinformationaboutMars.Thelistmayhelpyou.,3bWorkinpairs.Checkyourpartnerse-mailanduseyourknowledgeofMarstoanswerthequestionsforUncleStephen.,DearUncle,Imverygladtoreceiveyoure-mail,andIknowthatthelivingconditionswerequitebadduringyourjourney.IaminterestedintheinformationaboutMars.Canyoutellmemoreaboutit?HowabouttheweatheronMars?Isitverycold?Whatkindoftransportationdoyouusethere?Iamlookingforwardtoyoure-mail!Goodluck!Yours,Kangkang,Youcanwriteitlikethis:,Summary,Welearn:1.Somewords:storm,weigh,journey2.Somephrases:nameafter,asas,atadistanceof,searchfor3.Somesentences:(1)Itsdiameteris53%aswideasthatoftheearth.(2)Ithasbeentwodayssince