侧脑室三角部最常见的肿瘤是()
A.神经鞘瘤
B.脑膜瘤
C.颅咽管瘤
D.胶质瘤
E.胆脂瘤
参考答案:B
Peter, perhaps John, ____ playing with the little dog.
A.is
B.are
C.were
D.seems
同时影响肾小球滤过和肾小管重吸收的因素()
A.血浆胶体渗透压
B.滤过膜的通过性
C.血液中葡萄糖
D.抗利尿激素
E.醛固酮