如右上图所示条形分布荷载p=150kpa，计算G点下3m处的竖向压力值。
参考答案：
32.85kpa
下列特点属于实喘的是（）
A.呼吸短促难续
B.呼出为快
C.气怯声低
D.病势徐缓
E.脉象微弱
— I hear that John has gone to Japan for a visit. Do you know it?
— He made no ________ of his journey before.
A．memory
B．mention
C．member
D．message
