第7题: [单项选择]Free medical treatment in this country covers sickness of mind as well as ______ sickness. A. normal B. regular C. average D. ordinary 参考答案:D 答案解析:[解析] 本题考查近义形容词的词义辨析。四个选项中只有选项D(常见的)用于句中才恰当,因此选项D为正确答案。 [避错指南] 强干扰项为选项A,其次为选项B。normal,regular和