下列关于急性肾炎不典型病例，错误的是（）
A.可有大量蛋白尿
B.可无血尿
C.可无水肿
D.血补体一般不下降
E.可有循环充血
参考答案：D
根据所给的价格，回答下面的问题。
1. How much is the bag?
__________________________________________________________
2. How much are two books?
3. How much are fourteen rulers?
4. How much are five pencils?
影响骨和牙的生长发育
A．青霉素B．氯霉素C．链霉素D．四环素E．红霉素
