麦门冬汤与泻白散组成中均含有的药物是()
A.粳米
B.甘草
C.前胡
D.贝母
E.麦冬
参考答案:A
32.An air France jet is reported________in the Atlantic Ocean with 228 people aboard,the airline’s worst disaster in its 75-year history.
A.to have crashed
B.to have been crashed
C.having crashed
D.having been crashed
水泵水轮发电机作为调相机运行时,其有功功率()。
A.可以按负荷要求调整
B.与无功大小成正比
C.基本不可调整
D.为正值