有哮喘病的心绞痛患者,宜选用的药物()
A.硝酸异山梨酯
B.普萘洛尔
C.索他洛尔
D.硝苯地平
E.单硝酸异山梨酯
参考答案:A, D, E
The little boy ate a big meal he said he wasn't hungry. [ ]
A. if
B. though
C. because
D. as
根头部有多数疣状突起的茎痕及芽,习称“狮子盘头”()
A.桔梗
B.党参
C.木香
D.川木香
E.白术