沟通渠道的性质包括()
A.成本
B.反馈
C.频率
D.选择性
E.责任建立
参考答案:A, B, D, E
The policeman asked ________ with the old women.
A.what the matter was
B.what was the matter
C.what matter was
D.what was the wrong
女性,38岁,反复上腹痛伴反酸10多年,近来疼痛加剧,服抗酸药等不能缓解。近1周来上腹痛伴呕吐,呕吐有隔夜宿食
上述病例最可能的诊断是()
A.复合性溃疡
B.胃窦癌伴幽门梗阻
C.神经性呕吐
D.胆汁反流性胃炎
E.十二指肠溃疡伴幽门梗阻