成骨性骨转移瘤的原发灶，下列哪个最常见？（）
A.肾癌
B.甲状腺癌
C.骨癌
D.前列腺癌
E.肺癌
参考答案：D
He came________where I was hiding and my heart beat faster. [ ]
A. more closely to
B. much closer
C. rather closer to
D. quite closely to
下列哪种因素与肾小球滤过率无关
A．血浆晶体渗透压
B．血浆胶体渗透压
C．肾小球毛细血管血压
D．滤过膜的面积和通透性
E．肾小囊内压
