第15题: [单项选择]— Where ______ — I got stuck in the heavy traffic. I ______ here earlier.
A. did you go; had arrived B. have you been; would have been C. were you; would come D. are you; was 参考答案:B 答案解析:[答案精解] 问对方“去了哪里”,指的是从过去某时到现在为止的动作,用现在完成时;第二个空格是与过去事实相反的虚拟语气和主句,条件状语从句If I hadn't got stuck in the he
第26题: [单项选择]单纯性高血压 A. 收缩压17.3kPa~18.5kPa,舒张压11.3kPa~11.9kPa B. 收缩压18.7kPa~21.2kPa,舒张压12kPa~13.2kPa C. 收缩压21.3kPa~23.7kPa,舒张压13.3kPa~14.6kPa D. 收缩压18.8kPa~19.9kPa,舒张压12.1kPa~12.6kPa E. 收缩压≥18.7kPa,舒张压<12kPa 参考答案:E