题目

_____with what they had done, we felt we still had too much to do. A. compared  B. comparing  C. having compared D. being compared 答案：A 解析: compared with +宾语，此处为非谓语动词做状语，compare 与逻辑主语之间是被动关系。（本小题满分12分）已知二次函数满足，且关于x的方程的两个实数根分别在区间（－3，－2），（0，1）内.（Ⅰ）的取值范围；（Ⅱ）若函数在区间（－1－c，1－c）上具有单调性，求实数c的取值范围.