He is__________as a leader but he hasn’t__________in teaching.A.success; many experiencesB.a success; much experienceC.great success; an experienceD.a great success; any experiences
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B解析考查:success为不可数名词时意为:成功,可数名词时为抽象名词具体化,意为:成功的人或事;experience不可数名词时意为:经验,可数名词时:经历。句意:作为一名领导他是一个成功的人,但是在教学方面他没有太多的经验。故选B。