条痕色为白色的药材有
A．自然铜
B．芒硝
C．滑石
D．石膏
E．雄黄
参考答案：B,C,D
支饮病人服药后，水去呕止，其人形肿者，仲景不用麻黄，而加用何药（）
A.黄芪
B.白术
C.茯苓
D.防己
E.杏仁
English is understood all over the world ________ Turkey is spoken by only a few people outside Turkey itself.
A．while
B．because
C．unless
D．as
