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 动词短语辨析题。选项B subjected to意为“服从的，受支配的；很可能导致或受到…的”。选项A inclined to意为“愿意”，受影响而倾向于一种行动过程；选项C prone to意为“倾向于…的，易受影响的”；选项D bound to意为“有义务的，注定的，无法改变的”。
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