题目内容
Her good health is chiefly due to proper diet and _____ exercise.
| A．common | B．ordinary | C．regular | D．normal |
C
解析试题分析：考查区分形容词。句义：她的良好的健康主要是由于适当的饮食和定期的锻炼，A. common B. ordinary C. regular D. normal根据上下句，D正确。
考点：考查
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