题目内容
Health is very _____and every student knows the _____of keeping healthy.
| A．important ; importance | B．important ; important |
| C．importance; importance | D．importance; important |
A
解析试题分析：句意为：健康很重要。每个学生都知道健康的重要性。important 为形容词，importance为名词。 “the importance of ---”指的是“……的重要性”。根据语境可知应选A。
考点：考查同源词用法辨析。
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