院长要求每位基层管理者以上干部以不记名的形式给院长写一封关于医院发展的信,属于哪种沟通方式()
A.上行沟通
B.下行沟通
C.越级沟通
D.横向沟通
E.平行沟通
参考答案:A
痴呆的下列哪项描述是正确的()
A.血管性痴呆和Pick病均属于非变性病性痴呆
B.Alzheimer病、感染性痴呆和额颞痴呆均属于变性病性痴呆
C.多梗死性痴呆(MID.不是血管性痴呆中最常见的类型
D.MID患者表现相对慢性起病脑功能缺损阶梯式进展和痴呆
E.胆碱乙酰转移酶抑制剂可以改善AD患者的认知功能
—I wonder why Mr. Green looks quiet in class. —I'm not sure, but he()a small accident driving here.
A. could have
B. might have
C. might have had
D. must have had