Something else I’ve greatly enjoyed is working as _____ peer mediator, someone who helps _____ students to settle problems that they have with other students.

A．the; the

B．/; /

C．a; the

D．a ; /

《集团公司节约能源管理办法》规定，办公区域夏季室内空调温度设置不低于（）℃，冬季室内空调温度设置不高于（）℃。

A、25，18

B、25，20

C、26，18

D、26，20