《素问·水热穴论》称为“胃之关”的是（）
A.脾
B.肾
C.贲门
D.幽门
E.魄门
参考答案：B
If I _______ plan to do anything I wanted to, I’d like to go to Tibet and travel through as much of it as possible.
A．would
B．could
C．had to
D．ought to
视 * * 炎眼底检查视 * * 水肿常不超过
A．1D
B．2D
C．3D
D．4D
