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

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

游客2023-09-26  36
问题 Birds don’t get lost on their migratory flights, and the reasons ______. [br] When it is too dark for the warblers to see things, they ______.
选项 A、stopped flying and waited the coming of the day
B、continue the flight despite the darkness
C、were unable to find their direction
D、still fly according to their feelings
答案 C
解析 本题询问鸣鸟在天气状况不好时候的情况。根据原文(39)处可知，当光线太暗看不到地表的标志物时，呜鸟只能无助地在天空盘旋，无法辨认方向，故选C。
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