According to one theory, when the glaciers disappeared, birds ____. The author states that birds left the tropics because _

admin2011-01-17 45

问题 According to one theory, when the glaciers disappeared, birds ______.
The author states that birds left the tropics because ______.

选项 A、there was not enough food there in the winter
B、there were too many birds
C、there were too many glaciers
D、there was too much daylight

答案B

解析本题依据是第二段前两句，关键词语是overpopulated，意思是"数量过多"。

转载请注明原文地址:https://www.kaotiyun.com/show/sMYi777K

GCT工程硕士（英语）

相关试题推荐

随机试题

最新回复(0)