归纳和解释临床资料的先决条件是（ ）。
A．资料的可靠性
B．恰当的咨询理念
C．良好咨询关系
D．丰富的咨询经验
参考答案：A
-Do you know him well?
-Sure. We __________ friends since ten years ago.[ ]
A. were
B. have been
C. have become
D. have made
确诊胃溃疡出血最可靠的方法是（）
A.胃液分析
B.钡餐检查
C.胃镜检查
D.便隐血
E.腹部B超
