患者郎某,突然前胸作痛,胸部闷塞,伴有压榨感,面色灰黯,舌苔白,脉沉紧。治宜选用()。
A.大柴胡汤
B.四逆汤
C.大建中汤
D.阳和汤
E.苏合香丸
参考答案:E
People in some countries waste water______ people in others don’t have enough to drink.
A.while
B.because
C.if
D.so
什么是脑肿瘤显像?脑肿瘤显像有何意义?