题目

She is ___at all the subjects, and she is ____student in her class. A. good; best      B. Well; best        C. good; the best D. well; the best 答案：C若方程3m（x+1）+1=m（3-x）-5x的解是负数，则m的取值范围是（　　） A、m＞-54B、m＜-54C、m＞54D、m＜54