【单选题】听力原文:M: Has John come back from Europe? W: Yes, but he was only in America for three days before his company sent him to Canada. Where is John now?
【单选题】X: He has been to France. Y: He has been to Europe. The relationship of X and Y is ______.
【单选题】He ______ Europe three years ago.
【单选题】—Has your father returned from Europe yet? —Yes, but he ______ here for only three days before his company sent him to America.
【单选题】出口某种产品既可能成功也可能失败,这种风险按性质来分属于( )
【单选题】五章2节P158将需加工处理或需相同流通加工处理的订单汇总在一起处理的批量拣选方式是( )。
【单选题】He to Europe three years ago.
【单选题】X: He has been to France. Y: He has been to Europe. The relationship of X and Y is ___________.