不属于生理性尿液结晶的是()
A．草酸钙结晶
B．尿酸结晶
C．磷酸盐结晶
D．马尿酸结晶
E．酪氨酸结晶
参考答案：E
Now Bob is _____________ than he was. [ ]
A. more carefully
B. much careful
C. more careful
D. much carefully
大型发电机为什么要装设定子绕组过电压保护？
