道德的评价标准是（）。
A.利益标准
B.政治原则标准
C.法律条文标准
D.善恶标准
E.生命质量标准
参考答案：D
24．Disappointingly, the reducing of the payment is said______.
A．to be decided
B．to have been decided
C．will be decided
D．have been decided
衡量组织兴奋性高低的指标是
A．静息电位水平B．阈电位C．阈强度D．动作电位幅度E．兴奋扩布速度
