骨折的专有体征是().
A.畸形
B.疼痛
C.反常活动
D.骨擦音
E.功能障碍
参考答案:A, C, D
Imperfect goods are ________ by our quality control center in case they come into the consuming of the
customers.[ ]
A.rejected
B.accepted
C.realized
D.followed
下列药物中,无嗜睡作用的H1受体拮抗剂是()。
A.氯苯那敏
B.西替利嗪
C.苯海拉明
D.阿司咪唑