是雅思6分的单词，例如：
1、The painting is not representative of his work of the period.这幅画不是他在那个时期的代表作。
2、The survey covers a representative sample of schools.调查覆盖了有代表性的一些学校。
3、Is a questionnaire answered by 500 people truly representative of the population as a whole?由500人参加的问卷调查能真正代表所有民众吗
