国境口岸卫生监督人员在执行任务时，有权对国境口岸和入境、出境的交通工具进行卫生监督和

A4POP使用间距不小于60cm.

下列简称为无压给煤圆筒形重介质旋流器（）

A、DSM

B、DWP

C、DBZ

D、SWIL

患者神疲乏力，少气懒言，常自汗出，头晕目眩，舌淡苔白，脉虚无力。其证候是（）

A.气虚

B.气陷

C.气逆

D.气微

E.气脱

If you must land on a beach with an oar-propelled lifeboat through a heavy surf，the recommended method is to（）.

A.keep the bow directly in toward the beach，and tow the sea anchor off the stern

B.ride in on the back of a large breaker

C.keep the bow into the seas with the sea anchor out over the bow，and row to meet the breaking waves

D.head directly into the beach by staying between the crests of the waves

物流标准化是物流发展的基础。