诊断脑脓肿首选及重要方法（）。
A.脑脊液
B.颅骨X线
C.脑血管造影
D.CT
E.MRI
参考答案：D
“五脏之本”指的是：
A．脑
B．头
C．胃
D．小肠
E．胆
The matter is just a secret ______ you ______ me. Please don't tell others about it. [ ]
A. from; to
B. between; and
C. from; and
D. between; to
