保税区外企业以外币计价结算向区内销售货物,区内企业应当凭哪些材料向区外支付().
A、合同或协议
B、发票
C、海关正本进口货物报关单
D、《登记证》
参考答案:A, B, C, D
—I hear your mother _______ to Canada once.
—Yes, she went there last year. [ ]
A. has been
B. has gone
C. go
D. goes
我国《公司法》规定,董事会会议所作决议须经无关联关系董事一致通过。( )