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Migratory birds fly in formation to______. How do the researchers test predictions of where birds should position themselves in
Migratory birds fly in formation to______. How do the researchers test predictions of where birds should position themselves in
admin
2009-06-24
23
问题
Migratory birds fly in formation to______.
How do the researchers test predictions of where birds should position themselves in their echelon to conserve energy?
选项
A、Using the energy conservation hypothesis to categorize the positions of birds.
B、Using fluid dynamics and energy wave configuration calculations.
C、Using photography to analyze various flock formations.
D、Using knowledge of birds’ visual axes, "blind spots" and field of vision.
答案
B
解析
转载请注明原文地址:https://kaotiyun.com/show/GbTd777K
本试题收录于:
公共英语五级笔试题库公共英语(PETS)分类
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公共英语五级笔试
公共英语(PETS)
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