人教版英語必修3第四單元閱讀1課件(編輯修改稿)
2024-07-14 18:48 本頁面
【文章內(nèi)容簡介】 3 4 5 6 7 Paragraph 2: Put these sentences into the right order. Paragraph 3: I. What does “Dissolve” mean? “溶解” Which the following statements is true? A. Unlike the earth, Mars had disappeared later. B. Water was to be fundamental to the development of life once water turned up. C. The continued presence of water allowed the earth to dissolve harmful gases and acids into the oceans and seas. D. Water made it possible for life to develop. water Plants in the water Shellfish and fish Insects and amphibians Reptiles Dinosaurs Mammals Plants on land Detailed reading This text can mainly divided into two stages Stage 1 : The development of the earth Stage 2 : The development of life (para 1— 3) (para 4— 5) Stage 1: The development of the earth (1) After the Big Bang, what was the earth like? a cloud of dust a solid globe exploded with fire and rock produced water vapour and gases (2) What happened next? (3) What did the water vapour and gases form? the earth’s atmosphere Water appeared (4) What appeared as the earth cooled down? water is important for the beginning of life on the earth. Why is water so important for the beginning of life? Because water allowed the earth to dissolve harmful gases into oceans and seas. Stage2 The development of life small plants appears in water life developed after water appeared? Shellfish and all sorts of fish life developed in water next? green plants began to grow on land insects appeared about the life on land? amphibians on land and
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