题目

----- Why did Bob weep? ----- He couldn’t bear ______ like that before the whole class. A. making fun of                        B. being made fun of C. to be laughed at        D. being made fun 答案：B若关于x的分式方程=1的解为正数，则字母a的取值范围是（   ）A. a＜2B. a≠2C. a＞1D. a＞1且a≠2