1、advertisement（广告）是可数名词比如：ThetwoadvertisementsfromCocaColaaretargetedatdifferentmarketsegments.AtChristmastime,advertisementsoftoyscomefastandfuriousontelevision.希望对你有帮助，若满意请点击“选为满意答案”及时采纳，谢谢。