舒张压加1/3脉压称为（）
A.收缩压
B.舒张压
C.脉压
D.平均动脉压
E.体循环平均充盈压
参考答案：D
There are frequently reports of accidents as fireworks ______, stored or transported.
A．have been made
B．are being made
C．were made
D．have made
描述指标
