题目

题型：不详难度：来源：

When a space shuttle has accomplished its _____, it can be ready for another trip in about two weeks.

A．venture

B．mission

C．commission

D．responsibility

答案

　B

解析

　　本题译文：当航天飞机完成了它的使命，它能在大约两周内做好准备再次航行。mission通常指一种特殊的、特定的且有一定难度的使命或工作，常与accomplish, complete等词搭配，如：accomplish a historic mission完成一项历史使命。Venture冒险；常指商业上的冒险投机。例如：He declined the business venture. Commission委任；代理；佣金。He often goes beyond his commission.(他时常越权。)responsibility责任。