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 考查词组辨析。be subjected to(sth．)意为“接受，经受，遭受”，符合题意及用法要求。be inclined to (do sth．)意为“易于，倾向于”，如：I am inclined to be ill after eating fish．(我吃完鱼后就想吐。)be prone to(sth．/do sth．)意为“有……的倾向，易于”，如：Children of poor health are very prone to colds in winter． (体弱的孩子在冬天易患感冒。)be bound to(do sth．)意为“一定会，注定”，如：It’s bound to rain soon.(不久就会下雨。)
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