单选题
The insect population increased due to ______.
A、
the hot air
B、
the tropical climate
C、
the rain clouds
D、
the damp atmosphere
【正确答案】
A
【答案解析】
[试题分析] 事实推理题。
[详细解答] 全文最后一句中…since the burning hot atmosphere was as favorable to them as it was unfavorable to man and many other animals.虽然这种气候不适合人类和其它动物,但昆虫却很适应,不难推断A为正确答案。
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