317.Frank put the medicine in the top drawer to make sure it would not be ______ to the kids.

A.accessible

B.relative

C.acceptable

D.sensitive

318.I'm not surprised that he became a writer.Even as a child he had a _______ imagination.

A.clear

B.cautious

C.funny

D.vivid

317.答案是A；

考查形容词的固定搭配。Be accessible to 可以接近的，可以使用的；be relative to 和…有关系；be acceptable to 为…所接受;be sensitive to 对…敏感的。

318.答案是D；

cautious 谨慎的；vivid 生动的；逼真的，have a vivid imgaination 有丰富的想象力。