【题目】He is a great success as a scientist, but he hasn’t ________in teaching.
A. many experiences B. much experience
C. an experience D. a lot of experiences
在线课程【答案】B
【解析】考查名词。句意：作为一名科学家他是一位伟人，但是他在教学上没有经验。experience作“经验、体验”讲是不可数名词，作“经历”讲是可数名词。much修饰不可数名词，可知答案为B。