2. 外语
  3. The reason why birds don’t get lost on long flights ______. During daylight hours, birds ______.

The reason why birds don’t get lost on long flights ______. During daylight hours, birds ______.

admin2008-11-13  45
问题 The reason why birds don’t get lost on long flights ______.
During daylight hours, birds ______.
选项 A、wheel back and forth
B、follow the stars in their flights
C、use sun for guidance
D、are quite likely to get lost
答案C
解析 见第二段中句子“...experiments showed that birds rely on the sun to guide them during daylight hours”。
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