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

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

admin2009-03-13  45
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 starts in July 2000?
选项 A、Three.
B、Two.
C、Four.
D、Five.
答案C
解析 推断题。题干意为“如果Voss成功完成始自2000年 7月为期四个月的飞行，他一共进行了几次飞行?”由第三段可知，自1978年以来Voss已经三次参与太空项目，目前他正在接受训练，准备作为宇航员从2000年7月起被送往国际站并在那里逗留四个月。文中提到的那个50岁的，住在休斯顿的老军官指的就是Voss，所以这应是第四次。
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