Why was the hydraulic fuel pump seal important for the space shuttle? How many flights will Voss have finished if his Four-mont

admin2005-07-06  61

问题 Why was the hydraulic fuel pump seal important for the space shuttle?
How many flights will Voss have finished if his Four-month mission starting in July 2000 ends up successfully?

选项 A、Three
B、Two
C、Four
D、Five

答案C

解析 文章第三段提到从1978年他申请参与太空计划被批准到现在共完成了3次航天任务,再加上这一次,应该是4次。故答案为C。
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