职业技能鉴定补助对象按规定可享受（）次职业技能鉴定补贴。
A.1
B.2
C.3
D.4
参考答案：A
We often have to stay up for our study though we___ to have enough sleep.
A．told
B．have told
C．are told
D．are telling
生产物流管理的目标与其他物流管理的目标完全不同的。( )
