We know from the text that the Mars mission is ____

We know from the text that the Mars mission is _____.

单选题

2022-01-03 00:33

A、［A］ one of NASA’s internet projects
B、［B］ an expedition to Mars
C、［C］ the infrastructure of the interplanetary Internet
D、［D］ to create an architecture on Mars

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正确答案

试题解析

本题考查词义的理解。文章五、六段中Mars mission和Mars expedition交替使用，可见是同义，而且第三段首句在具体解释space mission的含义时以火星为例指出它orbiting another planet such as Mars。所以，正确选项为[B]。［A］、［C］、［D］三项都指的是塞尔夫跟（美）国家宇航局的合作项目。Architecture意为“架构，体系(the structure of a computer system and the way it works)”。

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