伴有课文朗读0419

1、DiscussionCareful readingSkimmingUnit 4 readingReview before class1.earn ones living 谋生2.account for 导致3.remind.of 使想起4.to be honest 说实话5.hold ones breath 屏住呼吸1.limit to 把 限制在以内2.in rags 衣衫褴褛3.forgive sb for (doing) sth 原谅某人做某事4.end up 结束1.bring up 抚养，提出，呕吐2.energetic students 精力充沛的同学们 3.get away wi

2、th （做坏事）不受惩罚4.in debt 负债5.neighborhood 临近地区1 limitto2 in rags3 forgive sb for doing sth4 end up 1 earn ones living2 account for5 hold ones breath4 to be honest3 remindof1 bring up2 energetic students3 get away with4 in debt5 neighborhoodHow on the Unit 4 ReadingbeganBig BangReading practice a. The i

3、mportance of water for life b. The development of plants and animals on the earth c. The form of the earths atmosphered.A widely accepted theory about the formation of the universe e.The arrival of humans and their impact on the earth Paragraph12345main idea Whats the writing style of the text?A. Na

4、rrative 记叙文B. Explanation 说明文C. Essay 散文11111111111111111111111111111111111111111111111111111111 ON THE EARTHHowLIFE BEGAN?PART 1 (PARA.1)1After Big Bang, what happened? Atoms began to form and combine to create stars and other bodiesPART 2: THE DEVELOPMENT OF THE EARTH(PARA 2,3)(1)After the Big Ban

5、g, what was the earth like?(2)What did the water vapour and gases form?(3) What appeared as the earth cooled down?Part 2: The development of the earth(1) After the Big Bang, what was the earth like? a cloud of dust a solid globe (2) What did the water vapour and gases form?the earths atmosphere Wate

6、r appeared(3) What appeared as the earth cooled down?water is important for the beginning of life on the earth. Big BangA solid globeAtmosphere The earthA cloud of dust The formation of the earth :PART 3 LIFE DEVELOPMENT (PARE 4)1.What life developed after water appeared? 2.What life developed in wa

7、ter next?3.What about the life on land? 4.What life developed next on land?5.What life developed after forestsappeared?6.What life developed after dinosaurs? small plants appears in water (1).What life developed after water appeared?Shellfish and all sorts of fish(2).What life developed in water nex

8、t? green plants began to grow on land insects appeared(3).What about the life on land?amphibians on land and in the waterforests(4). What life developed next on land? reptiles appeared dinosaur developed (5).What life developed after forests appeared?mammals on land(6).What life developed after dino

9、saurs?waterPlants in the waterShellfish and fishPlants on landPara 4 the formation of lifeInsects and amphibiansReptiles Dinosaurs Mammals PART 4 (PARA 5)HUMAN BEINGS1.What life developed after mammals?2.Who are the small clever animals with hands and feet? 3. Are they taking good care of the earth?

10、 Why?3. Because they are putting too much carbon dioxide into the atmosphere.The earth is becoming hotter and hotter!DISCUSS lWhat should we do to protect our earth?Whether life will continue on the earth depends on human beings.Only if we care will we help,only if we help shall all be saved!Passage

11、 structureMain bodyPara 1: Para 2:Para 3:Para 4: Para 5: A widely accepted theory about the formation of the universe.The fom of earth atmosphereThe importance of water for life.The development of plants and animals on the earth.The arrival of humans and their impact on the earth.Read the passage carefully and Read the passage carefully and analyseanalyse its structure: its structure:Big Bang life developm