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1、Unit4Astronomy:thescienceofthestarsTHESOLARSYSTEM地球地球_木星木星_火星火星_水星水星_海王星海王星_土星土星_天王星天王星_金星金星_EarthJupiterMarsMercuryNeptuneSaturnUranusVenusCanyounameeachplanetcorrectlyusingthewordsgiveninthetextbookonP25?Pangu separates the sky from the earthTheGoddessNuwamendedtheheavenandcreatedhumanbeingsfrom t
2、he clay(粘土粘土).GodcreatedtheworldinsevendaysUnit 4 readingHow Life Began on the Earth1.Whatisthepassageabout?2.Whatisthewritingstyleofthetext?A.Narrative记叙文记叙文B.Explanation说明文说明文C.Essay散文散文ItisaboutthedevelopmentoftheearthParagraph1:Paragraph2:Paragraph3:Paragraph4:TheimportanceofwaterforlifeThedevel
3、opmentofplantsandanimalsontheearthTheformationoftheearthAwidelyacceptedtheoryabouttheformationoftheuniversedcabParagraph5:ee.Thearrivalofhumansandtheirimpactontheearth This text can mainly divided into two stagesStage1:ThedevelopmentoftheearthStage2:Thedevelopmentoflife(Para13)(Para45)Stage1:Thedeve
4、lopmentoftheearth(1)AftertheBigBang,whatwastheearthlike?acloudofdustasolidglobeexplodedwithfireandrockproducedwatervapourandgases(2)Whathappenednext?(3)Whatdidthewatervapourandgasesform?theearthsatmosphereWaterappeared(4)Whatappearedastheearthcooleddown?water is important for the beginning of life o
5、n the earth.Why is water so important for the beginning of life?Becausewaterallowedtheearthtodissolveharmfulgasesandacidsintooceansandseas.Stage2 The development of lifesmallplantsappearsonthesurfaceofthewater1.Whatlifedevelopedafterwaterappeared?earlyshellfishandallsortsoffish2.Whatlifedevelopedinw
6、aternext?greenplantsbegantogrowonlandinsectsappeared3.Whataboutthelifeonland?amphibiansliveonlandandinthewaterplantsgrowintoforests4.Whatlifedevelopednextonland?reptilesappeareddinosaurdeveloped5.Whatlifedevelopedafterforestsappeared?mammalsonland6.Whatlifedevelopedafterdinosaurs?smallcleveranimals7
7、.Whatlifedevelopedaftermammals?humanscameintobeingandspreadallovertheworld.1.Whoarethesmallcleveranimalswithhandsandfeet?2.Aretheytakingcareoftheearthwell?Why?Becausetheyareputtingtoomuchcarbondioxideintotheatmosphere,whichpreventsheatfromescapingfromtheearthintospace.Theearthmaybecometoohottoliveon
8、.The earth is becoming hotter and hotterWhat can we do to prevent the earth from becoming hotter and hotter?e.g.Whatwecandoistosaveenergy.WhatwecandoistoA.Insectsandamphibiansappeared.B.Theearthbecameasolidglobe.C.Reptilesappeared.D.TheearthwasacloudofdustE.Shellfishandotherfishappeared.F.Cleveranim
9、alswithhandsandfeetappearedG.Dinosaursappeared.H.Smallplantsgrewonthewater.I.Plantsbegantogrowondryland.J.WaterappearedontheearthK.Theuniversebeganwitha“BigBand”.L.Mammalsappeared.831091151741262Canyouputtheorderofdevelopmentoflifeintoatimeline?Choosethebestanswers.1.Whywastheearthdifferentfromtheot
10、herplanets?A.Itproducedalotofheat.B.Thewaterremained.C.Waterdisappeared.D.Itwastheoldestplanet.2.Whywaslifeabletodevelopontheearthbutnotontheotherplanets?A.Theearthhadasolidshape.B.Theearthdidnothaveharmfulgasesinitsatmosphere.CThewaterstayedontheearthbutnotontheotherplanets.D.Theearthwasneithertooh
11、otnortoocold.3.Whywasitnecessaryforplantstogrowbeforeanimals?A.Animalsneededplantstoprotectthemselvesfromthesun.B.Plantsprovidedoxygenforanimalstobreathe.C.Animalscouldhidefromhuntersinforest.D.Itwaseasierforplantstogrow.4.Whatproblemiscausedbyhumanbeings?A.Theyexisteverywhereontheearth.B.Theycauseg
12、lobalwarming.C.Theyfindnewmethodsofgrowingcrops.D.Theyenjoyhuntingandfishing.water vapourSummaryThe explosion of the earth produced _ _,which turned into water when the earth cooled down.Waterallowedtheearthto_harmfulgasesintothe oceans and seas.That made it possible for _ tobegintodevelop.The arriv
13、al of small _ encouraged thedevelopmentofearly_andallsortsoffish.Manymillionsofyearslaterthefirstgreenplantsbegantoappearonland.dissolvelifeplantsshellfishinsectsamphibiansreptilesdinosaursmammalsLaterlandanimalsappeared.Somewere_.Others,called_,wereabletoliveonlandaswellasinthewater.Whentheplantsgr
14、ewintoforests,_ appeared for the first time.Then _developed,whichbecamethemostimportantanimalsontheearthformillionsofyears.Aftertheydisappeared,_becamemoreimportant.producedappearedspreadTheywerethelastgroupofanimalsandtheyweredifferent because they _ their young fromwithin their bodies.Small clever
15、 animals,with handsandfeet,_and_allovertheearth.As time went by,they covered the earth and havebecomethemostimportantanimalsontheplanet.翻译下面单词和短语翻译下面单词和短语1太阳系太阳系_2及时，总有一天及时，总有一天_3阻止，制止阻止，制止_4依靠，信赖依靠，信赖_5感到高兴感到高兴_6既然，由于既然，由于_7蔓延蔓延_8一般而言一般而言_9坚固的坚固的_10.作一次太空旅行作一次太空旅行_11熟悉，掌握熟悉，掌握_12突发，爆发突发，爆发_13增多，使繁殖
16、增多，使繁殖_14大气层，气氛大气层，气氛_15消失，经过消失，经过_16与与不同不同_17冷却冷却_18失重地失重地_19全球变暖全球变暖_20地心引力地心引力_二二.翻译下面单词和短语翻译下面单词和短语1太阳系太阳系solarsystem2及时，总有一天及时，总有一天intime3阻止，制止阻止，制止preventfrom4依靠，信赖依靠，信赖dependon5感到高兴感到高兴cheerup6既然，由于既然，由于nowthat7蔓延蔓延spread8一般而言一般而言generallyspeaking9坚固的坚固的solid10.作一次太空旅行作一次太空旅行makeatripintospac
17、e11熟悉，掌握熟悉，掌握getthehangof12突发，爆发突发，爆发breakout13增多，使繁殖增多，使繁殖multiply14大气层，气氛大气层，气氛atmosphere15消失，经过消失，经过goby16与与不同不同bedifferentfrom17冷却冷却cooldown18失重地失重地weightlessly19全球变暖全球变暖globalwarming20地心引力地心引力gravityUnderstanding.a.Matchthephrasesunderlinedwiththeircorrectmeaning.1.Theywereintimetoproducecarbon
18、,nitrogen,watervapourandothergases.2.Theymultipliedandfilledtheoceansandseaswithoxygen.3.Carbondioxidepreventsheatfromescapingfromtheearth.4.Itwasnotimmediatelyobviousthatwaterwastobefundamentaltothedevelopmentoflife.A.increaseinnumberB.importantC.stop/keepfromD.afteralongperiodoftimeKey:1D2A3C4Bb.T
19、rytofindasentencethatcanbereplacedbythefollowingone:Nowitstheirturntobethemostimportantanimalsontheplanet._Thustheyhave,intheirturn,becomethemostimportantanimalsontheplanet.c.Translatethefollowingsentence.1.Itwasnotimmediatelyobviousthatwaterwastobefundamentaltothedevelopmentoflife.水对生命的发展起关键作用，这一点在
20、当时并不明显。水对生命的发展起关键作用，这一点在当时并不明显。2.Thisproducedachainreaction,whichmadeitpossibleforlifetobegintodevelop.这就产生了一系列的反映，使得生命就有可能发展了。这就产生了一系列的反映，使得生命就有可能发展了。阅读阅读1Whydidthemotherapologizetotheauthor?ABecausetheboyranintotheauthor.BBecausetheboylaughedattheauthor.CBecausetheboysaidtheauthorwasfatterthanhim.
21、DBecausethemotherthoughttheboyswordshadhurttheauthor.答案与解析：答案与解析：D小孩跟妈妈说这个女士跟我一样高，他妈妈怕这话会伤害到小孩跟妈妈说这个女士跟我一样高，他妈妈怕这话会伤害到“我我”因此而道歉。因此而道歉。2Whendidtheauthorrealizethatshewastooshort?AWhenshegrewup.BWhenshewas47yearsold.CWhenshebegantogotoschool.DWhenshemettheboyinthesupermarket.答案与解析：答案与解析：C从文章倒数第四段第一句可知
22、，我直到上学才意识到自己矮。从文章倒数第四段第一句可知，我直到上学才意识到自己矮。3Whichofthefollowingwordcanbestreplacetheunderlinedword“diminished”？ADismissed.BIncreased.CDecreased.DDiscriminated.答案与解析：答案与解析：C我现在我现在47岁了，这种对我的注视并没有因为我的长大而减少。岁了，这种对我的注视并没有因为我的长大而减少。dismiss解散，解散，increase增加，增加，decrease减少，减少，discriminate区别、辨认。区别、辨认。4Howdoestheauthorfeelaboutpeoplesstares?AAngry.BCalm.CPainful.DDiscouraged.答案与解析：答案与解析：B文章倒数第二段可知，我努力保持一种好的态度，可以看出很镇文章倒数第二段可知，我努力保持一种好的态度，可以看出很镇静静。