岗位分析为企业员工的考核，晋升提供了（）。
A．基础
B．必要条件
C．依据
D．前提
E．步骤
参考答案：C
They didn’t find ________the medicine.
A．what’s the matter with
B．what was the matter with
C．what the matter was with
D．what the matter is with
捕食性食物链
