[单项选择]下列哪项对中心静脉压的影响较小() A. 血容量 B. 静脉血管张力 C. 肺动脉楔压 D. 静脉回心血量 E. 右心室排血能力
参考答案:C
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第1题: [单项选择]Questions 19 to 22 are based on the conversation you have just heard. A. Take some money to the housing office. B. Inform the director of student housing in a letter. C. Fill out a form in the library. D. Maintain a high grade average. 参考答案:A 答案解析:[听力原文] What must a person do in order to live in a university house
[解析] 推理题。对话中男士说You’d
第2题:[单选题](0.9分)单选题 正常成人血浆占体重的 A. 4% B. 5% C. 6% D. 7% E. 8% 参考答案:B