当Ccr为51~80ml/min时,肾功能的分期是()
A.肾功能正常
B.肾衰竭代偿期
C.肾衰竭失代偿期
D.肾衰竭期
E.肾衰竭终末期
参考答案:B
At the end of the meeting,it was announced that an agreement_______.
A.has been reached
B.had been reached
C.has reached
D.had reached
测定在建投资总规模的方法有两种,即( )和倍数法。
A.增长率法B.投资率法C.建设周期法D.投资额法