人才队伍建设的核心是()。
A、改革
B、强化竞争
C、能力建设
D、严格教育、从严监管
参考答案:C
如在一个小三角点有两个观测方向时,用()观测,超过两个时用的是()观测。
Where goods are to be dispatched by road, rail or air instead of by sea, the documentary credit will call for a road transport document or a rail transport document or an airway bill instead of().
A.a bill of exchange
B.a certificate of origin
C.a bill of lading
D.a certificate of insurance