問題詳情
【題組】50. Which are the two mainreasons why the dinosaurs died?
(A) All the smoke and ash.
(B) The very cold dark time becauseof ash and then later, because mostof their food died, they starved.
(C) Increasing cold and darkness.
(D) Increasing heat and decreasingfood.
參考答案
答案：B
難度：計算中-1
書單：沒有書單，新增
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