最常见的颅内肿瘤为()
A．脑膜瘤
B．听神经瘤
C．垂体腺瘤
D．神经胶质瘤
参考答案：D
血余炭的功效是（）
A.收敛止血，消肿生肌
B.收敛止血，化瘀利尿
C.收敛止血，止泻止带
D.收敛止血，止痢
E.收敛止血，补虚截疟
His parents often ask him ______ his study. [ ]
A. in
B. about
C. with
D. for
