单选题
1分
The key to the industrialization of space is the U.S. space shuttle.______ it, astronauts will be ab...
The key to the industrialization of space is the U.S. space shuttle.______ it, astronauts will be able to fly into space and returning many times.
参考答案: A
参考解析: 题目意为“航天工业的关键是美国的航天飞机。有了它,宇航员将能够飞到太空并多次返回。”此处with表示“拥有”之意。