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1、Unit4AmazingScience Topic2I’mexcitedaboutthethingsthatwillbediscoveredinthefuture.SectionCDoyouknowanythingaboutMars?solarsystemMarsisthefourthplanetfromthesuninoursolarsystemandisnamedafterMars,theRomangodofwar.MarstheRomangodofwar太阳系罗马战神1aReadandunderstand. L
2、ookatthepicturesandpredictwhichstatementsaretrueaboutMars.Thenreadthepassagequicklyandchecktheanswers._____1.Marslookslikearedball._____2.ThetemperatureonMarsisveryhigh._____3.Marsismuchlargerthantheearth._____4.Marsistoofarawayforustoreach.TFFF1bRead1aagainandw
3、ritedowntheinformationaboutMars.DiameterColorShapeClimateGravityDistancefromthesun53%aswideasthatoftheearthredandorangeaballduringspringandsummer:strongstormstemperature:between-138℃and28℃abouttwo-fifthsasstrongasitisonearthabout228millionkilometershalfasbigas是…
4、…的一半大twiceaslongas是……的两倍长Thisbagisthreetimesasheavyasthatone.Mystudyisaboutthree-fourthsasbigasmybedroom.HiKangkang,Ithasbeentwodays_________(since,from)welandedonMars.It_________(cost,took)usmorethantwoyearsto_________(reach,get)here.Generally,thejourneywentwel
5、l,butthelivingconditionswere_______(quiet,quite)badduringthejourney.Wehadtoproducemostofthefoodinthespaceship.______________(What’smore,What’sworse),ourwatersupplieswereverylow.Wehadtolimittheuseofwaterduring_________(those,these)days.Sowehadashowereverysixweeks
6、.Wewillspendanothersevenhundredandsixty-threedaysonMars.__________(How,What)alongtime!Ioftenmissthefamily,buttheexcitementofbeingonMarsisworthit!Wishmeluck!Yours,UncleStephensincetookgetquiteWhat’sworsethoseWhat2Kangkang’sunclesentane-mailtohimfromMars.Choosethe
7、rightwordstocompletetheletter.DearUncle,I’mverygladtoreceiveyoure-mail,andIknowthatthelivingconditionswerequitebadduringyourjourney.IaminterestedintheinformationaboutMars.Canyoutellmemoreaboutit?HowabouttheweatheronMars?Isitverycold?Whatkindoftransportationdoyou
8、usethere?Iamlookingforwardtoyoure-mail!Goodluck!Yours,KangkangYoucanwriteitlikethis:SummaryWelearn:1.Somewords:storm,weigh,journey2.Somephrases:nameafter,as…as,atadis
