He decided . [ ]
A. work hard
B. to work hard
C. working hard
D. worked hard
答案:B
桃核承气汤主治症状中小便情况是()
A.量多
B.自利
C.量少
D.不利
E.涩痛
主动脉弓的分支有()
A.右颈总动脉
B.左颈总动脉
C.冠状动脉
D.肺动脉干
E.右锁骨下动脉