1.comedian n.喜剧演员( an actor who plays comic roles)

词根记忆：来自comedy(n．喜剧)

例:The evening schedule was crowded with comedians and variety shows.

2.comet n.彗星

联想记忆：come(来)+t--很多年才来一次的星星--彗星

例:They are ejected by the comet.

3.commend v.推荐(to recommend);：表扬(to praise)

词根记忆：com(共同)+mend(命令;委托)--大家都委托他--推荐

例:The employees were commended with a bonus.

4.commensurate a.(with)相称的；相当的(corresponding in size,extent,amount,or degree)

词根记忆：com(共同)+mensur(测量)+ate--测量相同--相当的

例:Your salar] is commensurate with your experience level.

5.comment n.评论，意见(a statement of fact or opinion, especially a remark that expresses a personal reaction or attitude);v.发表评论(to make a comment on)

词根记忆：com(共同)+ment(思考)．+-起思考一评论

例:Managers will save time by simply choosing comments from a preexisting list.

派生词：commentator(n.评论员，解说员)

6.commerce n.贸易，商业(the exchange or buying and selling of commodities on a large scale involving transportation from place to place)

词根记忆：com(加强)+merce(贸易)--贸易，商业

例:Commerce-its profit-making, its self-interestedness, its individualism-became the enemy of these classical ideals.

派生词：commercial(a．商业的;n.商业广告)

7.commercial a．商业的(occupied with or engaged in commerce or work intended for commerce);n．商业广告(an advertisement broadcast on radio or television)

词根记忆：来自commerce(n.贸易；商业)

例:The classical conception of virtuous leadership was being undermined by commercial forces that had been gathering since at least the beginning of the eighteenth century.

派生词：commercially(ad.商业上)

8.commission n.委员会(a group of persons directed to perform some duty)；佣金(fee)；v.委托(to place an order for)

词根记忆：com+miss(委派)+ion一委托

例:the Intemational Trade Commission国际贸易委员会//Jean's commission was 5 percent of the total amount of her sales.//This study was commissioned by the Department of Agriculture.

同根词：mission(n.使命)；remission(n.缓解：免除)

9.commit v.做;犯(to carry into action deliberately)；交付(to pledge or assign to some particular use)；（使）受约束，致力于（to obligate, bind）

词根记忆：com+mit(送)--送给--调配…供使用

例:commda crime犯罪//They must commit some of their own resources to the choice.//Each partner will remain committed to the relationship.

派生词：commitment(n.许诺)；committed(a．忠于…的，坚定的)

10.commitmont n．承诺，许诺(an agreement or pledge to do sth. in the future)

词根记忆：commit(使…承担义务)+ment--承诺，许诺

例:Our actions demonstrate not a bias in favor of liberal views but rather a commirment to a balanced presentation of diverse opinions.

同根词：commission(n．委员会)