（ ）是具有法人资格的经济实体，是经海关批准建立的综合性保税仓库。A．专业性保税仓库

There were a lot of people in the park. We had ______ to take a rest, so we got very tired.

A．everywhere

B．somewhere

C．nowhere

D．anywhere

简述采购绩效评估的目的？

非结算会员的客户充抵保证金的有价证券，由非结算会员提交期货交易所。 ( )

简述韦纳归因理论的内容。