( )不属于涨价预备费。A．人工、设备、材料、施工机械的价差费 B．安装工程费和设

道口设备发生故障应怎样处理？

This January will be very precious for us by which time we______ reviewing Senior Book I.

A．will finish

B．will have finished

C．have finished

D．will be finished

You should give up _______basketball.

A．playing the

B．to play

C．playing

D．to play the

急性心功能不全临床表现有下列哪几项（）

A.咳粉色泡沫痰

B.憋气、气短，呈端坐呼吸

C.心源性休克

D.腹水

E.两肺湿啰音

促进局部血液循环的是（）

A.1～10Hz

B.50Hz

C.100Hz

D.50～100Hz

E.150～200Hz