仁爱版九年级英语上册课件-Unit4Topic2SectionC（共22张）

Unit4AmazingScience

Toexcitedaboutthethingsthatwillbediscoveredinthefuture.SectionCMarsDoyouknowanythingaboutMars?ItisnamedafterMars,theRomangodofwar.以...命名罗马战神solarsystem太阳系Marsisthefourththesuninoursolarsystem.Itismuchsmallerthantheearth.Itsdiameteris53%oftheearth’s.直径earthLookattheents

aretrueaboutMars._____1.Marslookslikearedball._____2.Thetemarsisveryhigh._____3.Marsismuchlargerthantheearth._____4.Marsistoofarawayforustoreach.TFFFRead1aandanswerthequestions.(1)WhatdoesMarslooklike?(2)HowfarisMarsfromthesun?

(3)What’sthetemars?

It’sabout228millionkilometersawayfromthesun.Itisbetween-138℃and28℃.Itlookslikearedandorangeball.1bRead1aagainandwritedowntheinformationaboutMars.Diameter(直径)ColorShape（形状）Climate（气候）Gravity（重力）Distance（距离）fromthesun53%aswideasthatoftheearthredandorangeaballduringsmer:strongstormstemperature:between-138℃and28℃abouttwo-fifthsasstrongasitisonearthabout228millionkilometers1.Itsdiameteris____aswideasthatoftheearth.它的直径是地球直径的____。2.ThegravityonthesurfaceofMarsisabout_________asstrongasitisonearth.火星表面的引力大约是地球引力的_________。倍数(分数)+as+adj.+as……的几倍3.Marsgoesaroundthesunatadistanceofabout228millionkilometers.火星在距太阳约2亿2千8百万千米处环绕着太阳转。atadistanceof…有……距离53%53%two-fifths五分之二Readandunderstand.1aReadandunderstand.Mars,the_______,goesaroundthesunata_________ofabout228millionkilometers.Its_______is53%aswideasthatoftheearth.Itlookslikea_____and_______ball.It’sverybeautiful.Butduring______and_______,strong__________cancoverthewhole__________ofMars.Thegravityonthesurfaceofitisabout________as________asitisonearth.fourthdistanceredorangespringsummerstormssurfacetwo-fifthsstrongdiameterRead2andanswerthequestions.(1)Whoisthise-mailfromandto?ItisfromUncleStetogetthere?Morethantwoyears.(3)Dideverythinggowellduringthejourney?No,itdidn’t.HiKangkang,Ithasbeentwodays_________(since,from)welandedonMars.It_________(cost,took)usmorethantwoyearsto_________(reach,get)here.Generally,thejourneywentwell,butthelivingconditionswere_______(quiet,quite)badduringthejourney.Wehadtoostofthefoodinthesore,What’sworse),ourwatersuittheuseofwaterduring_________(those,these)days.Sowehadashowereverysixweeks.Wewillsars.__________(How,What)alongtime!Ioftenmissthefamily,buttheexcitementofbeingonMarsisworthit!Wishmeluck!Yours,UncleStephensincetookgetquiteWhat’sworsethoseWhat2Kangkang’sunclesentane-mailtohimfromMars.Choosetherightwordstocompletetheletter.SummaryWelearn:1.Somewords:storm,weigh,journey2.Someeafter,as…as,atadistanceof,searchfor3.Somesentences:(1)Itsdiameteris53%aswideasthatoftheearth.(2)IthasbeentwodayssincewelandedonMars.Wecan:1.TalkaboutsomethingmoreaboutMars.2.Writebackane-mail.clothingfoodanddrinksweathertransportation…3aWritebackane-mailtoUncleSteformoreinformationaboutMars.Thelistmayhelpyou.DearUncle,I’mverygladtoreceiveyoure-mail,andIknowthatthelivingconditionswerequitebadduringyourjourney.IaminterestedintheinformationaboutMars.Canyoutellmemoreaboutit?HowabouttheweatheronMars?Isitverycold?Whatkindoftranslookingforwardtoyoure-mail!Goodluck!Yours,KangkangYoucanwriteitlikethis:Read1a.Memorizetheusefulexpressionsandkeysentenceswhichwelearnedtoday.FinishSectionCinyourworkbook.ReviewSectionsA-C.AssignmentThankyou1cDiscussthecrazyquestionswithyourpartnerandstateyourreasons.1.DoesMarshaveagoodclimateforfortableplaceforheavypeople?KeywordsMars,fourth,benamedafter,diameter,aswideas,atadistanceof,tell,because,brightred,ball,storms,gravity,temonths,closestto,searchingforRetell1a3bWorkinailanduseyourknowledgeofMarstoanswerthequestionsforUncleStephen.Whatareyougoingtobewhenyougrowup？Why?