题目内容
Task IV. Read the text and decide whether the following statements are True (T) or False (F) .
1. The earth was in the shape of a cloud of dust after the “Big Bang”.
2. Carbon dioxide,nitrogen,water vapour and other gases formed the earth' s atmosphere.
3. The harmful gases and acids came from the oceans.
4. Reptiles came into being before amphibians.
5. Mammals gave birth to young babies and produced milk for them.
6. Life on the earth has much to do with how people look after it.
Task IV. 1-6 T T F F T T
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