支行长至少每（）对员工的记分卡进行查看和分析，依据记分卡加强对员工有效指导和跟进。
A.日
B.周
C.月
D.年
参考答案：B
Don't put off today's work till tomorrow. l mean, today's work _today.[ ]
A. may do
B. must do
C. may be done
D. must be done
硝酸铵
