【单选题】We have sent you samples by airmail ______your instruction.
【判断题】沙眼目前仍是我国致盲和低视力的最主要原因
【单选题】We have sent you our catalog____ seperate mail.
【单选题】女性,50岁,头昏、乏力1年,伴恶心、呕吐半个月。现诊断为多发性骨髓瘤并肾功能不全(尿毒症)。其发病机制是:
【单选题】Under separate , we have sent you some samples and a complete set of samle books.
【简答题】We have sent you _____ separate cover some samples of our products.
【简答题】We have sent you our Sales Contract No.22 __ duplicate for your confirmation.
【判断题】谈判小组的负责人一定要担任己方的主谈人员。
【简答题】To acquaint you with the cotton piece goods we export now, We have sent you 3 copies of sample books by airmail.