单项选择题
In the paragraph 3, "his outdoor cousins" means ______.
A．other relatives
B．the other doves of the same brood (n. 窝)
C．doves under the natural sky
D．other birds in general
点击查看答案&解析
<上一题
目录
下一题>
热门
试题
单项选择题
During daylight hours, birds ______.
A．wheel back and forth
B．follow the stars in their flights
C．use sun for guidance
D．are quite likely to get lost
点击查看答案&解析
单项选择题
The reason why birds don't get lost on long flights ______.
A．have been known to scientists for many years
B．have only recently been discovered
C．are known by us
D．will probably remain a mystery
点击查看答案&解析
相关试题
75（）
73（）
70（）
72（）
71（）