糖尿病患者最常见的情绪反应是（）
A.兴奋
B.抑郁
C.躁狂
D.平静
E.愤怒
参考答案：B
An exhibition of paintings ________ at the museum next week . [ ]
A. are to be held
B. are holding
C. is holding
D. is to be held
施工单位应当为施工现场从事危险作业的人员办理（）。
A．人身财产保险
B．养老保险
C．意外伤害保险
D．工伤保险
