常见的水库调度方式有:()。
A.年方式
B.月方式
C.周方式
D.日方式
参考答案:A, B, C, D
How much one enjoys himself travelling depends largely on_________he goes with,whether his friends or relatives.
A.what
B.who
C.how
D.why
腹部损伤有腹内脏器损伤时,诊断性腹腔穿刺阳性率至少可达()。
A.50%
B.80%
C.90%
D.95%
E.70%