book3unit4-Astronomy阅读课件

[e-mail]很牛逼很霸道非主流唯美网名最新版这朵美丽的格桑花烟花雨°。梦仙境。风中雨荷水映月暖色、花雨末守霜铁丝网上的小花飘逸@-心暖如夏一朵气质花°掌中花樱花星光绣花鞋碧海蓝天。贪恋你的美待天淡蓝洁白时ら゛爱情雨浅紫色的梦幻第⑦个夏天丶银杏枯黄，秋风萧瑟随风飘摇红尘一笑°—━╋う夜声╰☆╮蝴蝶恋上花-海风摇曳着头发*悠悠清风~~吹落花、、白樱花、舞一世倾城-末日的美╮果色心情°ゞ浴缸里的玫瑰甜腻夏季梦幻的味道。普罗旺斯的紫韵ゝ雨点xuelian赏烟花じ飞满天樱空之雪@泽西岛ˇ花语﹏花非花Dē格调世界、如花海般美丽紫罂粟醉美，夕阳罂栗花般少季梦与空岛o你数星星我数月亮、甜蜜爱恋。Δ雨下╰っ拥吻潇魂蝶舞漫天蒲公英。繁星下的爱°ゐ晴天下起了雨@你说你爱我的背影╰▔夕阳が落ちないこと╭╯夏の独忆り@夏威夷的凄凉如梦如幻。半醉看夕阳巴黎下誓言塔樱落~嫣笑巴黎环抱的花海剪水做花飞°醉尘梦°阳光总在风雨后薰衣草有着淡淡的香沐雨而生人教版高中英语必修三Unit4WarmingupUnit4solarsystem太阳系[e-mail]1111BigBangPangu(盘古)GodNuwaLetsreviewtheevolutionoflifeontheearth.Afterthe“BigBang”,theearthwasfullofwater.Originalcellsappearedintheocean.Thecellsinthewaterbegantoseparate.Marineanimalscameintobeing.Someanimals(amphibian&insects)cametoland.Reptileappeared.dinosaursmammalsManhadevolvedfromapes.Theydevelopednewmethodsofgrowingfood,huntingandmovingaround.Astimewentby,theycoveredtheearthandhavebecomethemostimportantanimalsontheplanet.Howlifebeganontheearth?Choosethemainideaforeachparagraph()Thearrivalofhumansandtheirimpactontheearth.()Theformationoftheearth.()Thedevelopmentofplantsandanimalsontheearth.()Awidelyacceptedtheoryabouttheformationoftheuniverse.()Theimportanceofwaterforlife.54213acloudofenergeticdustasolidballatmosphereaworldfullofwater4132combineintoexplodewithfireandrockdissolveharmfulgasesCooldownplantsinthewatershellfishandfishplantsonlandinsectsandamphibiansreptilesdinosaursmammalsTheyproducedyoungbyl____eggs.ayingThey__________youngbabyanimalsandproducedmilktofeedthem.gavebirthtoDinosaurse_____ontheearthformorethan140millionyears.xisted1.Whywastheearthdifferentfromotherplanets?A.Itproducedalotofheat.B.Thewaterremained.C.Thewaterdisappeared.D.Itwastheoldestplanet.Choosethebestanswer.√2.Whywaslifeabletodevelopontheearthbutnotonotherplanets?A.Theearthhadasolidshape.B.Theearthdidnothaveharmfulgasesinitsatmosphere.C.Thewaterstayedontheearthbutnotonotherplanets.D.Theearthwasnottoohotandnottoocold.√3.Whywasitnecessaryforplantstogrowbeforeanimals?A.Animalsneededplantstoprotectthemfromthesun.B.Plantsprovidedoxygenforanimalstobreathe.C.Animalscouldhidefromhuntersintheforest.D.Itwaseasierforplantstogrow.√4.Itcanbeinferredfromthetextthat_____.A.after“BigBang”,whatthedustwastobecomeremainedamysteryB.plantsappearedbeforetheanimalsC.plantsmultipliedandfilledtheoceanswithoxygenD.plantsplayedanimportantpartintheappearanceoftheanimals√Wearemakingtheworldbetter.Wearemakingtheworldworse.ABDiscussionnewmethodsofgrowingfood(1)Whathumansdeveloped?newmethodsofhuntingnewmethodsofmovingaroundGreenhouseeffect(2)Buttheyarenottakingcareoftheearthverywell.Whatproblemarehumanscausing?maketheearthtoohotputtoomuchcarbondioxideintotheatmosphereToomuchcarbondioxideisbeingputintotheatmosphere.Theearthmaybecometoohottoliveon.Theearthisbecominghotterandhotter!Asyoungpeople,whatlittlethingscanwedofortheearth?solarenergyplanttreesrecyclerubbishpreventdesertificationsavewaterpurifyairWhetherlifewillcontinueontheearthdependsonhumanbeings.Onlyifwecarewillwehelp,onlyifwehelpshallallbesaved!