Unit 4 Topic 2 Section C【教学课件】-【A3演示文稿设计与制作】

A3演示文稿设计与制作信息技术2.0微能力认证作业Unit4Topic2SectionC【精品课件】—【A3演示文稿设计与制作】Unit4AmazingScience

Topic2I’mexcitedaboutthethingsthatwillbediscoveredinthefuture.

SectionC

Learningaims:1.Learnsomenewwordsandusefulexpressions;2.KnowaboutsomeknowledgeonMars;solarsystem

Marsisthefourthplanetfromthesuninoursolarsystemandisnamedafter

Mars,theRomangodofwar.MarstheRomangodofwar太阳系罗马战神n.风暴，暴(风)雨Itismuchsmallerthantheearth.Itsdiameteris53%oftheearth’s.直径Duringspringandsummer,thestrongstorms

cancoverthewholesurfaceofMars.Thegravityonitssurfaceisabout40%asstrongasitisonearth.引力，重力

LookatthepicturesandpredictwhichstatementsaretrueaboutMars.Thenreadthepassagequicklyandchecktheanswers._____1.Marslookslikearedball._____2.ThetemperatureonMarsisveryhigh._____3.Marsismuchlargerthantheearth._____4.Marsistoofarawayforustoreach.TFFFListento1aandanswerthequestions.

(1)WhatdoesMarslooklike?Itlookslikearedandorangeball.

(2)HowfarisMarsfromthesun?It’sabout228millionkilometersawayfromthesun.(3)What’sthetemperatureonMars?Itisbetween-138℃and28℃.

1.benamedafter以…命名

2.倍数+as+adj/adv原级+as倍数表达法3.goaroundthesun绕太阳旋转4.atadistanceof相隔atadistance在远处

5.tellv辨认、区别、认出

6.becoveredby被动语态becoveredwith被…覆盖（表状态）7.weighv

重，有…重weightn重量8.beclosestto最接近9.searchfor搜索、搜寻Read1acarefullyandpayattentiontothefollowinglanguagepoints.Accordingtothepassage,writedowntheinformationaboutMars.

DiameterColorShapeClimateGravityDistancefromthesun53%aswideasthatoftheearth

redandorangeaball

duringspringandsummer:strongstormstemperature:between-138℃and28℃abouttwo-fifthsasstrongasitisonearthabout228millionkilometerssearcharoundnamethatduringcoverfourgravityweighcloseMarsisthe__planetfromthesuninoursolarsystemandis__afterMars.Itsdiameteris53%aswideas__oftheearth.Marsgoes__thesunatadistanceofabout228millionkilos.But__springandsummer,thesurfaceofMarsis__bystrongstorms.The__onthesurfaceofMarsisabouttwo-fifthsasstrongasitisonearth.Soapersonwhoweighs90kilosonearth__only36kilosonMars.IttakesaspaceshipeightmonthstoreachMarsfromtheearthwhenthetwoplanetsare__toeachother.Scientistsarestill__formoreinformationaboutMars.HiKangkang,Ithasbeentwodays_________(since,from)welandedonMars.It_________(cost,took)usmorethantwoyearsto_________(reach,get)here.Generally,thejourneywentwell,butthelivingconditionswere_______(quiet,quite)badduringthejourney.Wehadtoproducemostofthefoodinthespaceship.______________(What’smore,What’sworse),ourwatersupplieswereverylow.Wehadtolimittheuseofwaterduring_________(those,these)days.Sowehadashowereverysixweeks.Wewillspendanothersevenhundredandsixty-threedaysonMars.__________(How,What)alongtime!Ioftenmissthefamily,buttheexcitementofbeingonMarsisworthit!Wishmeluck!Yours,UncleStephensincetookgetquiteWhat’sworsethoseWhat2Kangkang’sunclesentane-mailtohimfromMars.Choosetherightwordstocompletetheletter.

SummaryWelearn:

1.Somewords:

storm,weigh,journey

2.Somephrases:

nameafter,as…as,

atadistanceof,searchfor

3.

Somesentences:

(1)Itsdiameteris53%aswideasthat

oftheearth.

(2)Ithasbeentwodayssincewe

landedonMars.Wecan:

1.Talkaboutsomethingmor