人教版高中英语必修三unit4astronomythescienceofthestarsword导学案1内容摘要：
development of plants and animals on the earth. Para. 3 A widely accepted theory about the formation of the universe. Para. 4 The formation (形成 ) of the earth. Para. 5 The importance of water for life. (2) Careful reading: read the text carefully,then fill in the chat of“ How life began on the earth” Step 3 Discussing and presenting your answers to your groupmats. Step 4Testing True (T) or False (F). 1. The earth appeared before the Big Bang happened. 2. The original atmosphere consisted of nitrogen and oxygen. 3. The main difference between the earth and other plas is that there is water on the earth. 4. Life。阅读剩余 0%
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