高中英語(yǔ) unit 4 astronomy the science of the stars sectionwarming upreadingprereading課件 新人教版必修

Section WarmingUp Reading Pre reading 答案 A TheSolarSystemB TheMilkyWayC TheBlackHole 答案 1 Pangu 3 God StepTwo FastReadingSkimthetextandthenchoosethebestanswer 1 Whatdoesthepassagetellus A Theimportanceofwater B Howthelifebeganontheearth C Howhumanbeingsappeared D Howplantsappeared 答案 B 2 Matchthemainideawitheachparagraph Paragraph1A Theimportanceofwaterforlife Paragraph2B Awidelyacceptedtheory theBigBang Paragraph3C Theformation 形成 oftheearth Paragraph4D Thedevelopmentofplantsandanimalsontheearth Paragraph5E Thearrivalofhumansandtheirinfluenceontheearth 答案 Paragraph1 BParagraph2 CParagraph3 AParagraph4 DParagraph5 E StepThree Carefulreading Readthetextandthenchoosethebestanswer 1 Whywaslifeabletodevelopontheearthbutnotonotherplanets A Theearthhadasolidshape B Theearthdidnothaveharmfulgasesinitsatmosphere C Thewaterstayedontheearthbutnotonotherplanets D Theearthwasneithertoohotnortoocold 答案 C 2 Whywasitnecessaryforplantstogrowbeforeanimals A Animalsneededplantstoprotectthemfromthesun B Plantsprovidedoxygenforanimalstobreathe C Animalscouldhidefromhuntersintheforest D Itwaseasierforplantstogrow 答案 B 3 Whydiddinosaursdisappear65millionyearsago A Becausetheearthwastoohotforthemtoliveon B Becausetherewasnofoodforthemtoeat C Becausetheearthexplodedatthattime D Itstillremainsamysteryforus 答案 D 4 Whatproblemiscausedbyhumanbeings A Theyexisteverywhereontheearth B Theycauseglobalwarming C Theyfindnewmethodsofgrowingcrops D Theyenjoyhuntingandfishing 答案 B 答案 E G B A D F C 答案 沒有人確切地知道地球的起源 因?yàn)槟鞘呛芫靡郧暗氖铝?答案 隨后會(huì)變成什么沒人能知道 直到38億至45億年前 這團(tuán)塵埃才慢慢地形成固