第23题: [单项选择]肺通气的弹性阻力的主要成分是指() A. 惯性阻力 B. 气道阻力 C. 组织的黏滞阻力 D. 肺和胸廓的回缩力 E. 肺泡表面张力 参考答案:D
第24题: [单项选择]Passage One
Questions 11 to 13 are based on the passage you have just heard.
A. A Pakistani family to England. B. An English family to Pakistan. C. An English family to America. D. An American family to England. 参考答案:A