B3U4Reading必修三阅读公开课课件.pptx

Unit 4 Astronomy-the science of the stars HowLifeBeganontheEarthDo you know any ancient idea about the beginning of the universe and life?In Chinese culture separates the sky from the earth.PanguskyearthNuwaThe Goddess _mended the heaven and created human beingIn western countries:created the world and all living things.God According to Bible(圣经圣经),God created the world and the first man,Adam(亚当亚当)and the first woman,Eve(夏娃夏娃).God created the world in seven days.Religious Beliefs HOW LIFE BEGAN ON THE EARTH?Step 1:Fast reading-SkimmingRead the passage quickly and find out:1.Whatisthemainideaofthetext?2.Whatistheorderofwritinginthetext?Step 1:Fast reading-SkimmingRead the passage quickly and find out:1.Whatisthemainideaofthetext?A.theformationoftheearthB.ThedevelopmentoflifeonearthC.ThedevelopmentoflifeD.Thedifferencebetweentheearthandotherplanets2.Whatistheorderofwritinginthetext?A.thespatialorderB.Thechronologicalorder krnldklC.ThelogicalorderD.Theorderofimportance空间顺序时间顺序逻辑顺序事件重要性顺序Main bodyPara 1:Para 2:Para 3:Para 4:Para 5:A widely accepted _ about the _ of the universe.The formation of the_.The _ of water for life.The development of _ and _ on the earth.The arrival of _ and their _ on the earth.1.Readthepassagecarefully,concludethemainideaofeachparagraph,andanalyseitsstructure:Part 1:The universePart 2:Life development on The Earth Part 3:Human beingsStep2:carefulreading-scanningReadingComprehension1.Whoknowshowlifebeganontheearthexactly?A.Scientists.B.Astronomers.C.Noone.D.Aliens elin(外星人).2.Whatdoes“smallcleveranimals”referto?A.Insects.B.Reptiles.C.Dinosaurs.D.Humans.3.The earth was different from the other planets in that_.A.a cloud of dust was around the earth B.comfortable climate remained on the earth C.water remained on the earth D.carbon remained on the earth4.Theplantsgrewbeforetheanimalsbecausetheyprovide_.A.nutrientsforanimalstoabsorb(吸收)B.oxygenforanimalstobreatheC.necessarytemperatureforanimalstokeepwarmD.watervapourforanimalsPost reading:I.Review the passage,and fill in the blank;then try to explain the idea in group with the pictures and words given.Big BangA cloud of _ Atmosphere The earthA solid _waterThe globe was _dustglobeviolentCO2,nitrogen,vapor The continued presence of _Small_ in the water_and all sort of fishwaterplantsshellfishmultiplyfillencouragedissolvePlant on _Insect and_ Dinosaurs The rise of Mammals land Reptiles amphibian Plants grew into forest make possible humans came into being and spread all over the world.Human beingsAre human beings very important?Why did the author said they are not looking after the earth well?The reason is that It from the earth into space.prevents heat from escapingpeople are putting carbon dioxide into the atmospherethe earth may become too .The result is that hotglobal warming-green house effectIt caused_ Ice in the North Pole _Water level _.The result is that risesmeltsThe end of our world.What can we do to prevent the earth from becoming worse?Eg.What we can do is to.what we can do is that.it is obvious that.I advise that solar energy plant trees recycle rubbish prevent desertificationsave water purify airWhat can we do to prevent the earth from becoming worse?1.What we can do is to drive less.I advise that everyone should take the public transportation as possible as we can.2.What we can do is to prevent desertification.I advise that the government should lay down serious law on punishing the conduct of cutting trees randomly and unrestrictedly.3.It is obvious that we are faced with the problem of energy shortage.What we should do is to try to develop and use some clean and renewable energy.What can we do to prevent the earth from becoming worse?4.What we can do is that we should carry our reusable shopping bags while do shopping instead of disposable bags.5.I advise we should protect the wild endangered animals by refusing to buy any products of them,which may help to keep the balance of the nature.6.What we should do is to recycle the rubbish and industrial chemicals carefully,which may help to save energy,protect the earth from pollution and poison.Afterthe“bigbang”,theearthwasstilljustacloudof_,it_loudlywithfireandrock,whichwere_toproducethe_,watervapourandothergases.Then_begantoappearedontheearth._inwaterareconsideredtobetheearliestlivesontheearth.TheO2theysuppliedencouragedthelivesof_.Slowlygreenplantsgrewonland,whichwerefollowedby_likeinsects&_.Whentheplantsgrewinto_,_appeared.Then_developedbutdisappearedlater,whichmadetheriseofatotallydifferentanimal,_,possible,andfinally_spreadallovertheworld.dustexplodedintimecarbonwaterThesmallplantsshell-fishandfishlandanimalsamphibiansforestsreptilesdinosaursmammalhumans