新人教版英语高一下module3unit4astronomythescienceofthestars之一内容摘要：
8 Water appeared on the earth. 9 Shellfish and other fish appeared. 10 The universe began with a “Big Bang”. 11 Clever animals with hands and feet appeared. 12 Mammals appeared. Answer: 10 7 3 8 4 9 6 1 5 2 12 11 Detailed Reading The development of the earth Stage 1: The development of the earth (1) After the Big Bang, what happened? a cloud of dust a violent solid globe exploded with fire and rock produced carbon, nitrogen ,water vapouramp。 gases (2) What happened next? (3) What did the water vapour and gases form? the earth’s atmosphere Water appeared (。阅读剩余 0%
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