仁爱版英语九年级上：Unit 4 Topic 1Section C 课件（共27张PPT） (1).pptx

Unit4AmazingScienceTopic2I mexcitedaboutthethingsthatwillbediscoveredinthefuture SectionC Doyouwanttobe afilmstar anastronaut aboss apoliceman Answermyquestionsloudly anactor apolicewoman Lead in LearningAims 1 KnowmoreaboutMarsandmotivatethestudents interestinexploringthespace 2 Weshouldlearnkeywordsandsentences diameter storm benamedaftersb goaround atadistanceof 倍数 as as etc3 Improvethestudents readingskills Pre reading 1 PredictwhichsentencesaretrueaboutMars 1 Marslookslikearedball 2 ThetemperatureonMarsisveryhigh 3 Marsismuchlargerthantheearth 4 Marsistoofarawayforustoreach T F F T predict 2 ListentotheMp3andcheckthem While reading Readthetextandfinishthefollowingtasks Task1 SkimthetexttograspitsmainideaTask2 Scanthetextandcompletethemind mapofthistextordo1b Task3 Explainsomeimportantlanguagepointsandsentences 1 Canyougivethepassageatitle 3 What sthemainideaofthispassage Mars 2 What sthearticletypeofthepassage Expositorywriting 说明文 IttellsusaboutMars includingitsname diameter distance shape climate gravity temperatureanddistanceetc Task1 Skimthetexttograspitsmainidea Task2Scanthetextandcompletethemindmap name color shape diameter climate gravity temperature distance air Fourstudentsagrouptoworkandfindouttheanswersinthetext writethemdownonthepaper WhatcanyoulearnaboutMars name color shape diameter climate gravity temperature distance Mars Redandorange ball Betweenminus138degreescelsiusand28degreescelsius air 0 13 oxygen storm Two fifths 53 8months solarsystem 太阳系 s l r Mars Thefourthplanetfromthesun MarsisthefourthplanetfromthesuninoursolarsystemandisnamedafterMars theRomangodofwar WhyisitcalledMars theRomangodofwar 被命名 罗马战神 Itismuchsmallerthantheearth Itsdiameteris53 aswideasthatoftheearth dai mit Duringspringandsummer thestrongstormscancoverthewholesurfaceofMars gravity n 引力 重力 Thegravityonitssurfaceisabout40 asstrongasitisonearth gr v ti IttakesaspaceshipabouteightmonthstoreachMarsfromtheearthwhenthetwoplanetsareclosesttoeachother 地球到火星的最近距离约为5500万公里 最远距离则超过4亿公里 55millionkms Scanthetextandfindoutkeywords phrasesandsentences 英汉互译 1 benamedafter 2 atadistanceof 3 becoveredby 4 beclosetto 5 围着 转 6 太阳系 7 直径 8 风暴 9 重力 引力 10搜寻 11 Itsdiameteris53 aswideasthatoftheearth 12 Marsgoesaroundthesunatadistanceofabout228millionkilometers 13 YoucantellwhichplanetisMarsbecauseitisbrightredinthenight 14 Soapersonwhoweighs90kilosonearthweighs36kilosonMars 15 IttakesaspaceshipabouteightmonthstoreachMarsfromtheearthwhenthetwoplanetsareclosesttoeachother 被命名为 有 的距离 被 覆盖 与 最靠近 goaround solarsystem diameter storm gravity searchfor 它的直径是地球直径的53 火星在距离太阳2亿2千8百万公里处围绕着太阳转 你能说出哪个行星是火星是因为它是在夜空中是红亮的 因此一个在地球上重90公斤的人在火星是重36公斤 当两个行星彼此最近时 从地球上到火星上要花费宇宙飞船大约8个月的时间 Difficultlanguagepoints 1 benamedafter benamedby 1 becoveredby 人 组织 机构 表动作 由 承担 负担 支付 被 掩护 报道 监视 控制等等 表示抽象的概念 后面接人 机构 或者组织 Allroadshavebeencoveredbythepolice Task3 万达广场以公司 万达 为名 阿里巴巴是由马云命名的 AlibabaCorporationwasnamedbyMaYun WandaPlazawasnamedafterWanda 2 becoveredwith 雪 草地 烟雾 被 覆盖 表状态 表示具体的覆盖 如被雪 草地 布 被子 盖子 罩子等东西盖住 Thegroundiscoveredwithwater 2 becoveredby with 3 倍数的表达法 1 Itsdiameteris53 aswideasthatoftheearth 2 ThegravityonthesurfaceofMarsisabouttwo fifthsasstrongasitisonearth A be 倍数 as adj adv 原级 as B A be 倍数 adj adv 比较级 than B 1 Itsdiameteris53 widerthanthatoftheearth 2 ThegravityonthesurfaceofMarsisabouttwo fifthsstrongerthanthatontheearth 拓展 改写 归纳 可以是百分数 分数等 rcise1用适当的词填空 1 Thesurfaceoftheearthiscovered by with 75 water 2 Theweatherreportsaysthattherewillbeastrongs thisafternoon 3 It 花费 methreehourstofinishthework 4 TheHopePrimaryschoolisnamed PingAn 5 Itsdiameteris53 wide thanthatoftheearth with torm took after wider Mars the 第四 planetofthesolarsystem goesaroundthesunata dist ns ofabout228millionkilometers Its dai mit r is53 aswideasthatoftheearth Itlookslikea and ball It sverybeautiful Butduring and strong 风暴 cancoverthewhole ofMars Thegravityonthesurfaceofitisabout as asitisonearth Theairhasonly oxygen Ittakesaspaceship toreachMarswhentheyareclosesttoeachother fourth distance red orange spring summer storms surface two fifths strong diameter Individualwork 0 13 eightmonths Post readingrcise2 Workingroupsandtrytoretellthetext Mars diameter goaround shape climate gravity temperature takeaspaceship fourth benamedafter 53 aswideas atadistanceof228millionkms betweenminus138degreescelsiusand28degreescelsius air 0 13 oxygen ball becoveredbystorms two fifths eightmonths Post readingrcise3 concluding 1 WeknowmoreaboutMarsinhislesson IhopeyouwillhaveinterestinspacescienceespeciallyinexploringMars SomedaysomeofyoucanlandonMars 2 Wecanusemindmaptolearnorgooverourlesson Itwillgiveyouclearmind Thanksforyourcoming Goodbye