第1题: [单项选择]关于失血性休克,下列哪项是错误的()。 A. 休克代偿期血压可正常或高于正常 B. 休克的根本问题是有效循环血量急剧减少,引起的一系列变化 C. 微循环变化晚于血压下降 D. 可伴有代谢性酸中毒 E. 中心静脉压可低于0.49kPa 参考答案:C
第2题: [单项选择]Questions 32 to 35 are based on the passage you have just heard.A. To let in the sunshine. B. To serve as its door. C. To keep the nest cool. D. For the bird to lay eggs. 参考答案:B 答案解析:Why is there a hole in the weaver bird’s nest