第14题: [单项选择]控制性降压最大的顾虑是() A. 中枢神经损害 B. 脑血栓形成 C. 心肌缺血 D. 持续性低血压 E. 苏醒延迟 参考答案:A
第15题: [填空题]S10 参考答案:a volcano expert,was standing near the summit of the mountain.At 8:31 a.m.,he radioed,“This is it!” He was never heard again 答案解析:[听力原文] Most volcanoes are quiet. They rest (S1) peacefully for hundreds of years. No o