— Can you speak English?
— Sorry , I _____. [ ]
A. can
B. don't
C. am not
D. can't
答案:D
胁痛的治疗应以通为主,实证多采用的治法是()
A.理气
B.化瘀
C.清热
D.利湿
E.散寒
评定汽油安定性的方法有哪些?