2. 外语
  3. Astronauts are ______ all kinds of tests before they are actually sent up in a spacecraft.

Astronauts are ______ all kinds of tests before they are actually sent up in a spacecraft.

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问题 Astronauts are ______ all kinds of tests before they are actually sent up in a spacecraft.
选项 A、inclined to
B、subjected to
C、prone to
D、bound to
答案B
解析 短语be subjected to 作“受支配，从属于；可以……的，常遭受”讲。仍是介词，后可跟名词或动名词，作介词宾语，例如：Man tends to increase at a greater rate than his means of subsistence；consequently he is occasionally subjected to a severe struggle for existence．人口增长速度往往比生存手段提高得更快，因此人类有时不得不为生存进行激烈的斗争。be in
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