仁爱版英语第四单元第三个话题Section C 课件

Unit4AmazingScience SectionC Topic3Idon tthinkalienscanbefoundinspace Howbeautifulandlivelytheearthis Isitouronlyhome Talkaboutyourideas Pre readingquestions 1 WhatdoesMarslooklike 2 WhydopeopleexploreMars 3 HowmuchoxygendoestheaironMarshave Solarsystem MarsisthefourthplanetfromthesuninoursolarsystemandisnamedafterMars theRomangodofwar Acircleisdividedintotwohalvesbydiameter Romanadj 古罗马的 罗马帝国的n 古罗马人 罗马人 1 DoinRomeastheRomansdo 2 AllroadsleadtoRome storm暴风 雨 Butduringspringandsummer strongstormscancoverthewholesurfaceofMars searchv n 搜索 搜查Theysearchedthewoodsforthelostchild 辨析 search searchfor敌人在村子里找那个红军 误 TheenemysearchedtheRedArmymaninthevillage 正 TheenemysearchedthevillagefortheRedArmyman 注 search的宾语一般是人或物 比较一下 Theysearchedhim 他们搜查他 搜身 Theysearchedforhim 他们寻找他 Importantpoints Itisreportedthat 据报道 悉 传说 Itissaidthat 据说Itisknownthat 众所周知Itisgivenoutthat 据称 1aReadandunderstand 1bWorkalone Diameter Color Shape Climate Gravity Distancefromthesun Read1aagainandwritedowntheinformationaboutMars Itis53 aswideasthatoftheearth Itisredandorange Itlookslikeaball Duringspringandsummer strongstormscancoverthewholesurfaceofMars Thetemperatureisbetween 138 and28 Itisabouttwo fifthsasstrongasitisonearth Marsgoesaroundthesun atadistanceofabout228millionkilometers Readkeysentencesandlearn 1 Itsdiameteris53 aswideasthatoftheearth 2 ThegravityonthesurfaeofMarsisabouttwo fifthsasstrongasitisonearth 3 Thepopulationofthiscityistwiceaslargeasthatcity 是 的百分之几 几分之几 几倍 专家小提示 two fifthsasstrongas相当于 的五分之二强度two fifths twofifthshalfasbigas像 一半那样大twiceaslongas像 两倍那样长 Discussingroups 1 Ifyourweightontheearthis56kilos howmuchwillyouweighonMars 2 Ifyoucanjump1 76metershighontheearth howhighcanyoudoonMars Afterreading weallknowthatapersonwhoweighs90kilosontheearthweighsonly36kilosonMars Nowlet sdiscussthefollowingquestions 36 90 56 22 4 90 36 1 76 4 4 dryv 使 干 弄干 擦干adj 干的 干燥的 dry wet 短语 dryair干燥空气Keepdry 请勿受潮 thedryseason旱季adrywell枯井feeldry口渴dryone seyes tears擦干眼泪 1CPairwork Discussthefollowingcrazyquestionswithyourpartnerandstateyourreasons DoesMarshaveagoodclimateforplants IsMarsausefulplacetodryfruit IsMarsagoodplaceforhumanbeingstolive IsMarsacomfortableplaceforheavypeople Kangkang renai Thejourneyhasgoneverywell BernhardFashionBT HiKangkang IthasbeentwodayssincewelandedonMars Ittookusmorethan togethere Generally thejourneywentwell buttheliving werequitebadduringthejourney Wehadto mostofthefoodinthespaceship What sworse ourwatersupplieswerevery Wehadtolimittheuseofwaterduringthosedays Itissixweekssincewehadaproper Sevenhundredandsixty threedays whatalongtime Ioften thefamily buttheexcitementofbeingonMarsisworthit GoodLuck Yours UncleStephen Listentothetapeandcompleteit two years conditions produce shower low miss 录音 Readthee mailagain Answerthefollowingquestions 1 HowmanydayshadtheystayedonMarstillthen 2 HowlongdidittakethemtogettoMars 3 Weretheylivinginacomfortableroom Twodays Twoyears No ReadagainandmarkTrue T orFalse F 1 It sbeenfivedayssincetheylandedonMars 2 IttookthemthreeyearstogettoMars 3 Theyhadplentyoffoodandwaterinthespaceship 4 Theyhavebeenawayfromtheearthfor763days 5 TheexcitementandrisksonMarsareworthit F F F T T 学习探究 1 OldJohngoestosleepaseasilyasababydoes 2 IhavebeenlearningEnglishaslongas15years 3 Itisnotas so popularasotherfoods 4 LineAisfourtimesthelengthoflineB 5 HeismorethanthreetimesasrichasI HeistwicericherthanI 6 Thepopulationofthiscityistwiceaslargeasthatofthatcity WORLDSPACEACTIVITIES Questions Whatcountrytakesthefirststepsonthemoon USA HowmanyastronautsarethereinShenxhou Therearethree WhenwasShenzhou wassentupintothespace September25th 2008 Whatisthischartabout It saboutworldspaceactivities Sixcountriesarementionedinthischart aren tthere No Thereareonlythree 3Writtenwork clothing foodanddrinks weather trans