题目

将根式 ， ， ， 化成最简二次根式后，随机抽取其中一个根式，能与 的被开方数相同的概率是. 答案：【1】34_____ she couldn't understand was _____ fewer and fewer students showed interest in her lessons. [     ]A. What; why B. That; what C. What; because D. Why; that