各型慢性肾小球肾炎的肾功能损害均首先表现为
A．血肌酐升高B．血尿素氮升高C．肾脏CT异常D．酚红排泄率降低E．内生肌酐清除率降低
参考答案：E
I____be a bit shy, but they have helped me to be confident. Now I know that I have the ability____good work. [ ]
A. used to, more, to do
B. be used to, more, do
C. used to, better, doing
自然补偿器分为（）等几种。
A.L形
B.V形
C.Z形
D.U形
