9B-Unit4-reading课件.ppt

9BUnit4 Reading Readthearticleandfindoutthekeywordofeachparagraph Crowded polluted population pollution TransportFood waterandoxygenGravityHomeSchoolopinion FastReading Para1 moreandmorepolluted moreandmorecrowded therapidincreaseinpopulation Why How dealwith Hopefor Introduction ThecolorofMars red Mars thesolarsystem太阳系 It sbetweenEarthandJupiterinoursolarsystem Earth Jupiter Mars one halfthediameter 直径 ofEarth ThesizeofMars twomoons PhobosandDeimos火卫1和火卫2 thesurfaceofMars ThesurfaceofMarsisalittlelikethesurfaceofEarth Thelowesttemperaturewillbe 133 degreescentigrade andthehighestwillbe27 Itmaybedifficulttoimagine peoplewillliveontheplanetMars bytheyear2100 FastReading Para2 Atpresent spacecraft tooslowtocarrylargenumbersofpassengerstoMars Howlong Bytheyear2100 spacecraft Howlong How makeit travelathalfthespeedoflight FastReading Para3 4 ReadPara 3 4anddosomeTorFexercises 1 Humansneedfood waterandoxygentosurvive 2 OnMars plantscouldbegrownandpeoplecouldhaveenoughoxygenandwater 3 MarshasthreestimesthegravityofEarth 4 ThebootswillbespecialforpeopleonMarsinordernottofloatoffintospace TFFT three eighthsof FastReading Para5 6 Part3 Para 5 6 AdvantagesoflifeonMars 1 Peoplewillhave space 2 willdomostofourwork 3 We llhavemoretimeto 4 Studentswillstudyin schools more Robots relax online Readandfillintheblanks connectedtoaninterplanetarynetwork DetailedReading Page55 FinishB3 crowdedplanet spacecraft speedboots spacehouses robotonMars onlineteacher f c d b e a P54 B2 HelpDanielfindoutthelinkstothekeywords WhatwillbechangedonMars Page55 FinishB4 AdvantagesoflivingonMars It snot or The ismoreconvenient Peoplewillwearspecial Peoplewillhave space willdomostofourwork We llhavemoretimeto Studentswillstudyin schools crowdedpollutedspacecraftboots moreRobotsrelaxonline DisadvantagesoflivingonMars willbeaproblem Foodwouldprobablybeintheformof andwouldn tbe Spacetravelmightbe makepeoplefeel Gravity tasty ill sick uncomfortable pills Difficultsentences Thejourneymighttakeonlyabout20minutesinspacecraftthattravelathalfthespeedoflight 用以光速一半速度飞行的太空穿梭机进行的旅程可能只要花约20分钟的时间 分析 此句是that连接的定语从句 that引导的定语从句修饰先行词spacecraft 从句中的动词的人称和数由先行词spacecraft决定 ComparedwithlifeonEarth lifeonMarswillbebetterinmanyways 与在地球上的生活相比 火星上的生活在很多方面将会更好 comparewith 意思是 与 做比较 在句中是过去分词短语作状语 此时with和to可通用 Everystudentwouldhaveacomputerathomeconnectedtoaninter planetarynetwork 每个学生在家里有一台连接星际网络的电脑 connectto意思是 与 连接 这里的connectedto是过去分词后置作定语 修饰computer 当然我们也可以用connect to 结构表示 把 和 连接起来 Exercises Task1 Words Page54 FinishB1 Exercises 1 It hope thatwewouldhaveabetterworldonMars 2 The 人口 ofChinain21007wouldbelarger 3 Thiskindofshoesistoo comfortable formetowear 4 Theearthisa 行星 5 人类 canmakerobotsdosomework 6 Thisareaisbadlyp Somethingmustbedonetoprotecttheenvironment 7 Withpoutgravity wewill 漂浮 inthespace ishoped population uncomfortable planet Humans olluted float 目前 现在变得越来越拥挤以光速的一半运行许多漂入太空中 Task2 Phrases atpresentbecomemoreandmorecrowdedtravelathalfthespeed