扩底灌注桩的扩底直径，不应大于桩身直径的（）倍。 A.1 B.1.5 C.2 D.3

Mary likes ___________, but I ________listening to pop music.

A．dance; enjoy

B．dancing; enjoy

C．dance; enjoys

D．dancing; enjoys

下列各项中，不得使用即期汇率的近似汇率进行折算的是( )。

A．接受投资收到的外币

B．购入原材料应支付的外币

C．取得借款收到的外币

D．销售商品应收取的外币

—Are you going to go there by              plane?   —No, I'm going to take             bus. [ ]

A. /;  a

B. a;  the

C. the;  a

D. /;  /

对于获得认证证书的产品不再生产时，可暂时停止使用认证证书。( )

A crew member is having an epileptic convulsion. You should（）.

A.give the victim artificial respiration

B.completely restrain the victim

C.give the victim one 30 mg tablet of phenobarbital

D.keep the victim from injuring him or herself