英语：unit4 reading学案(新人教必修3)

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1、高考资源网（ks5u.com）您身边的高考专家Unit4readingI.Readthetextandmatchthemainideaofeachparagraph.Paragraph1:a.TheimportanceofwaterforlifeParagraph2:b.ThedevelopmentofplantsandanimalsontheearthParagraph3:c.TheformationoftheearthParagraph4:d.Awidelyacceptedtheoryaboutth

2、eformationoftheuniverseParagraph5:e.ThearrivalofhumansandtheirimpactontheearthII.Fillintheblacks.ThedevelopmentoftheearthTimeTheearthAcloudofdustAsolidglobeExplodedwithfireandrockProduceC/Nwatervapor,etc.WaterbegantoappearIII.Canyouputtheorderofdevelopme

3、ntoflifeintoatimeline?-6-www.ks5u.com版权所有@高考资源网高考资源网（ks5u.com）您身边的高考专家1.Insectsandamphibiansappeared.2.Dinosaursappeared.3.Theearthbecameasolidball.4.Smallplantsgrewonthewater.5.Reptilesappeared.6.Plantsbegantogrowondryland.7.Theearthwasacloudofdust8.Wat

4、erappearedontheearth9.Shellfishandotherfishappeared.10.Theuniversebeganwitha“BigBang”.11.Cleveranimalswithhandsandfeetappeared12.Mammalsappeared.IV.What’sthewritingstyleofthetext?A.Narrative记叙文B.Explanation说明文C.Essay散文v.PhrasesandUsefulExpressions1.circl

5、earound2.accordingto…3.awidelyacceptedtheory4.inalldirections-6-www.ks5u.com版权所有@高考资源网高考资源网（ks5u.com）您身边的高考专家1.intime2.cooldown3.befundamentalto…4.achainaction5.…makeitpossiblefor…todo…6.givebirthto…11.prevent…from12.millionsofyearstocomeVI.Understanding

6、.a.Matchthephrasesunderlinedwiththeircorrectmeaning.1.Theywereintimetoproducecarbon,nitrogen,watervapourandothergases.2.Theymultipliedandfilledtheoceansandseaswithoxygen.3.Carbondioxidepreventsheatfromescapingfromtheearth.4.Itwasnotimmediatelyobviousthat

7、waterwastobefundamentaltothedevelopmentoflife.A.increaseinnumberB.importantC.stop/keep…fromD.afteralongperiodoftimeb.Trytofindasentencethatcanbereplacedbythefollowingone:Nowit’stheirturntobethemostimportantanimalson-6-www.ks5u.com版权所有@高考资源网高考资源网（ks5u.com

8、）您身边的高考专家theplanetc.Translatethefollowingsentence.1.Itwasnotimmediatelyobviousthatwaterwastobefundamentaltothedevelopmentoflife.2.Thatmadeitpossibleforlifetobegintodevelop.Vii,KeywordsⅠ.explode1).vt.vi（使某物）炸开，爆炸；炸弹，火药）爆炸2)