Why was the hydraulic fuel pump seal important for the space shuttle? The great significance of Voss’s findings lies in______.

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问题 Why was the hydraulic fuel pump seal important for the space shuttle?
The great significance of Voss’s findings lies in______.
Ⅰ. strengthening his determination to join in space flights
Ⅱ. furthering his understanding of NASA
Ⅲ. consolidating his astronaut status in NASA programs

选项 A、Ⅰ only.
B、Ⅱ only.
C、Ⅰ, Ⅱ and Ⅲ all included.
D、Ⅰ and Ⅱ only.

答案D

解析 文章第二段提到,参与ASEE计划使他对NASA的了解加深了,想飞到太空的愿望更加强烈了,更想申请当一名宇航员了。这和Ⅰ和Ⅱ的内容符合,故答案为D。
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