有助于高血压病与慢性肾盂肾炎引起的高血压鉴别的是( )
A.有肾炎病史B.尿常规检查尿中有蛋白C.尿细菌培养阳性D.尿常规检查有白细胞E.尿常规检查有红细胞
参考答案:C
—Can you tell me _______ to travel to Dalian?
—About two hours by plane.[ ]
A. how much it costs
B. what I should take
C. how long it takes
D. which is the best season
何谓好氧生物膜,在生物滤池中好氧生物膜是如何净化污水的?