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ID:52027671
大小:18.22 MB
页数:19页
时间:2020-03-30
《金版新学案2016_2017学年高中英语Unit4AstronomythescienceofthestarsSectionⅠWarmingUp&Reading_Pre_reading课件新人教版必修.ppt》由会员上传分享,免费在线阅读,更多相关内容在教育资源-天天文库。
1、SectionⅠWarmingUp&Reading—Prereading答案:A.TheSolarSystemB.TheMilkyWayC.TheBlackHole答案:(1)Pangu(3)GodStepTwo:FastReadingSkimthetextandthenchoosethebestanswer.1.Whatdoesthepassagetellus?A.Theimportanceofwater.B.Howthelifebeganontheearth.C.Howhumanbeingsappeared.D.Howplantsappeared.答案:B2.Matc
2、hthemainideawitheachparagraph.Paragraph1A.Theimportanceofwaterforlife.Paragraph2B.Awidelyacceptedtheory—theBigBang.Paragraph3C.Theformation(形成)oftheearth.Paragraph4D.Thedevelopmentofplantsandanimalsontheearth.Paragraph5E.Thearrivalofhumansandtheirinfluenceontheearth.答案:Paragraph1—BParagra
3、ph2—CParagraph3—AParagraph4—DParagraph5—EStepThree:CarefulreadingⅠ.Readthetextandthenchoosethebestanswer.1.Whywaslifeabletodevelopontheearthbutnotonotherplanets?A.Theearthhadasolidshape.B.Theearthdidnothaveharmfulgasesinitsatmosphere.C.Thewaterstayedontheearthbutnotonotherplanets.D.Theear
4、thwasneithertoohotnortoocold.答案:C2.Whywasitnecessaryforplantstogrowbeforeanimals?A.Animalsneededplantstoprotectthemfromthesun.B.Plantsprovidedoxygenforanimalstobreathe.C.Animalscouldhidefromhuntersintheforest.D.Itwaseasierforplantstogrow.答案:B3.Whydiddinosaursdisappear65millionyearsago?A.B
5、ecausetheearthwastoohotforthemtoliveon.B.Becausetherewasnofoodforthemtoeat.C.Becausetheearthexplodedatthattime.D.Itstillremainsamysteryforus.答案:D4.Whatproblemiscausedbyhumanbeings?A.Theyexisteverywhereontheearth.B.Theycauseglobalwarming.C.Theyfindnewmethodsofgrowingcrops.D.Theyenjoyhuntin
6、gandfishing.答案:B答案:E→G→B→A→D→F→C答案:没有人确切地知道地球的起源,因为那是很久以前的事了。答案:随后会变成什么没人能知道,直到38亿至45亿年前,这团尘埃才慢慢地形成固态的球体。答案:更重要的是,随着地球的不断冷却,地球表面出现了水。答案:所以,在未来的千百万年中,生命能否在地球上延续下去将取决于这个问题能否得到解决。谢谢观看!
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