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【最新】高中英语必修三教学课件:Unit+4+Astronomy_+the+science+of+the+stars―人教课标版1_图文

【最新】高中英语必修三教学课件:Unit+4+Astronomy_+the+science+of+the+stars―人教课标版1_图文

高一英语人教版必修三 Book3 Unit 4 Astronomy: the science of the stars Reading What we have learned? (知识回顾) 金星 火星 Venus Mars 水星 天王星 地球 Mercury Earth 木星 Uranus 土星 Jupiter Saturn 海王星 Neptune Pangu separates the sky from the earth The Goddess Nuwa mended the heaven and created human beings God created the world in seven days Life first began in the sea on the earth. Prediction (预测) Read the title and predict what the passage is mainly about? the earth How life ___began on _________ 1. the writing style(体裁) 说明文 exposition 2. organization(段落结构) the first paragraph main body the last Paragraph 3. the writing sequence (写作顺序) timeline 4. topic sentence/ key words supporting details Reading. Scanning and Match the key words of each paragraph Para.1 earth (globe/atmosphere) human beings plants and animals Para.2 Para.3 Para.4 Para.5 theory water According to a widely accepted theory, the __________began with a Big Bang. universe earth How the_____and it’s __________appeared. atmosphere ______ Water appeared on the earth and chain produced a ______reaction. Plants and animals developed on the earth. ________________ Human beings clever animals with _____________, hands and feet appeared on the earth. P27 Timeline in Papagraph1-3 3. 3. The earth became a solid globe/ ball. 2. 7. The earth was a cloud of dust. 4 8. Water appeared on the earth. 1 10. The universe began with a “Big Bang”. a cloud of dust a solid globe explode atmosphere water Read aloud and group work (P4-5) Put the order into a timeline P27 exercise2 Keys: 10 7 3 8 4 9 6 1 5 2 12 11 shellfish (贝类) and other fish plants insects(昆虫) amphibians (两栖类) plants reptiles (爬行类) Human being dinosaurs mammals Discourse markers (话语标记) first, next, later, after that, however, finally First 5. Small plants grew on the water. 6. Shellfish and other fish appeared. Next 7. Plants began to grow on dry land. 8. Insects and amphibians appeared. later 9. Reptiles appeared. After that 10. Dinosaurs appeared. However 11. Mammals appeared. Finally 12.Clever animals with hands and feet appeared. Retelling Many millions of years later the first green plants began to appear on the surface of the water. Next, green plants began to grow on land. They were followed by insects and amphibians. Later, When the plants grew into forests, reptiles appeared for the first time. After that, dinosaurs developed. However, they disappeared, and the mammals developed. Finally, human beings appeared and s

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