高中英语unit4astronomythescienceofthestarsreading1课件新人教版必修3内容摘要：
12 11 After reading the passage, discuss the following questions. 1. Why was the earth different from the other plas? 2. Why is it wrong to show films with dinosaurs and people together? 3. What problem is caused by human beings? 2. Why is it wrong to show films with dinosaurs and people together? 1. Why was the earth different from the other plas? Because the water remained on the earth. Because dinosaurs died out long before human beings developed on the earth. 3. What problem is caused by human beings? Human beings causes global warming. After the “Big Bang”, the earth was full of water. Original cells appeared in the ocean. The cells in the water began to separate. Marine animals came into being. Some animals (amphibian amp。 insects) came to land.。阅读剩余 0%
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