单选题He is_____as a leader&nbs

问题补充：

单选题Heis_____asaleaderbuthehasn’t_____inteaching.A.success; many experiencesB.a success; much experienceC.great success; an experienceD.a great success; a lot of experiences

答案：

B解析选B。抽象名词具体化，表示具有某种特征的人或事物，可用作可数名词。如：She is a success in business but a failure in marriage (她在事业上是个成功者，但在婚姻上是个失败者)；experience作为“经验”解，为不可数名词。