判断题
目前，我国对尿素、磷酸二铵等化肥产品实行进口关税配额，其中对于尿素而言，非国营贸易进口关税配额总量为690万吨，即对于这种产品进口总量超过690万吨便不再允许进口。 ( )
错误(↓↓↓ 点击‘点击查看答案’看答案解析 ↓↓↓)
单项选择题 Measer. Sharp & Co. have ______ us saying that they are unable to trace your name on their books.
单项选择题 Payment by L/C will also be incorporated （） the sales contract.
单项选择题 The high quality of our products will ______ the most selective buyers.
