A. 肺内压 B. 胸膜腔内压 C. 跨肺压 D. 跨胸壁压
A. took B. put C. brought D. carried
A. any B. some C. little D. few
A. Of B. Among C. Between D. Out of
A. 神经调节 B. 体液调节 C. 神经一体液调节 D. 自身调节
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