Birds don’t get lost on their migratory flights, and the reasons ______. [br] Wh

游客2024-07-05 25

问题 Birds don’t get lost on their migratory flights, and the reasons ______. [br] Which of the following can be used as the guidance for warblers?

选项 A、Mountain ranges.
B、River courses.
C、Sun.
D、All of the above.

答案 D

解析本题询问可以被鸣鸟利用作向导的事物。根据原文(40)处可知，鸣鸟在白天飞行时靠太阳指引方向；当太阳被云遮住时，就靠山脉、海岸和河流来识别方向，故选D。

转载请注明原文地址:https://tihaiku.com/zcyy/3664587.html

相关试题推荐

随机试题

最新回复(0)

Birdsdon’tgetlostontheirmigratoryflights,andthereasons______.[br]Wh