题目内容
（请给出正确答案）
[主观题]
All of the following are mentioned as adaptations to the bird's anatomy to accommodate fli
ght EXCEPT
A．a covering of feathers
B．relatively large brains
C．very sharp eyes
D．small legs and feet
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处理方法是
A．急诊手术
B．大剂量抗生素
C．激素治疗
D．继续观察
E．甲状腺素治疗
