“为胃行其津液者”，是指
A．肺
B．肾
C．肝
D．脾
E．三焦
参考答案：D
外直肌附着点位于角膜缘后（）
A.5.5mm
B.7.7mm
C.6.9mm
D.6.5mm
E.7.9mm
—______ has your friend studied English?
—Since 2001.[ ]
A. How long
B. When
C. Why
D. What time
