复合题
The experiment with the dove indicates that ______.
A、
birds have to be taught to navigate
B、
a bird that has been caged will not fly long distances
C、
some birds cannot fly at night
D、
some birds seem to follow the stars when they fly at night
【正确答案】
D
【答案解析】
题干大意是: 鸽子的实验表明______。 根据文章第二段最后一句及第三段内容可推断出,鸽子实验主要表明一些鸟在夜间飞行是凭借星星指路的, 故选D。
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