急性肺水肿时两肺可闻及
A.水泡声B.干啰音C.湿啰音D.心包摩擦音E.哮鸣音
参考答案:C
解析: 急性肺水肿时,由于肺泡毛细血管大量渗出,故双肺可闻及湿哕音。
Tomorrow would be Christmas Day, and she had only $1.87 ____.[ ]
A. with which to buy a present to Jim
B. by which to buy Jim a present
C. with which she could buy a present for Jim
D. in which to buy Jim a present
在远离发电机的无限大容量系统中短路时,两相短路电流和单相电流均较三相短路电流()。
A.小
B.大
C.一样
D.不能比较