When a space shuttle has accomplished its , it can be ready for another trip in
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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
试题答案
B
mission通常指一种特殊的、特定的且有一定难度的使命或工作;venture冒险;常指商业上的冒险投机；commission委任;代理;佣金。 responsibility责任。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。