桔梗汤的治则是（）
A.养阴清热，止逆下气
B.温肺复气
C.泻肺逐邪
D.解毒排脓
E.宣痹通阳
参考答案：D
There _____ still some milk in the fridge. It's not necessary to go to the store today.[ ]
A. am
B. is
C. are
D. be
申生是（）国君的儿子？
