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Book3Unit4Reading.ppt

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Unit4盘古开天辟地女娲补天造人海王星NeptunePluto1.What’sthemeaningoftheword“Astronomy”?一、单词拼写根据读音、性和词义写出下列单词。1.astronomy2.atmosphere3.violent4.explode5.system6.harmful7.development8.globe9.depend10.exist二、词组互译将下列词组或短语译成中文或英语。1.cooldown_________________3.givebirthto_________________4.dieout_________________5.inone’sturn_________________6.及时_________________8.依靠_________________7.结果_________________2.阻止；制止_________________Para.1Theformation(形成)oftheearth.Para.2Theimportanceofwaterforlife.Para.3Awidelyacceptedtheoryabouttheformationoftheuniverse.Para.4Thearrivalofhumansandtheirimpactontheearth.Para.5Thedevelopmentofplantsandanimalsontheearth.Fillintheblanksinthefollowingform.Paragraph.2.3.Severalbillionyearsafterthe“BigBang”(Between4.5and3.8billionyearsago)Paragraph.4.ManymillionsofyearslaterParagraph.4.ManymillionsofyearslaterAbout2.6millionyearsago2.(1).Whatdoes“Dissolve”inparagraph3mean?A.Theearth’satmospherewasformed(3).Whichthefollowingstatementsistrue?A.Unliketheearth,Marshaddisappearedlater.B.Waterwastobefundamentaltothedevelopmentoflifeoncewaterturnedup.C.Thecontinuedpresenceofwaterallowedtheearthtodissolveharmfulgasesandacidsintotheoceansandseas.D.Watermadeitpossibleforlifetodevelop.summary____________inwaterareconsideredtobetheearliestlivesontheearth.TheO2theysuppliedencouragedthelivesof______________.Slowlygreenplantsgrewonland,whichwerefollowedby__________likeinsects&________.Whentheplantsgrewinto______,______appeared.Then_______developedbutdisappearedlater,whichmadetheriseofatotallydifferentanimal,______,possible,andfinally_____spreadallovertheworld.Becausetheyareputtingtoomuchcarbondioxideintotheatmosphere,whichpreventsheatfromescapingfromtheearthintospace.makefulluseofsolarenergy