通过抑制前列腺素合成而起到消炎止痛作用的药物称()
A.非甾体抗炎药
B.DMARD
C.选择性COX-2的抑制剂
D.非选择性COX抑制剂
E.糖皮质激素
参考答案:A
8. --- How is your friend now?
--- I am sorry to tell you he is going from ____ to worse in the hospital.
A.better
B.worse
C.bad
D.Well
什么是消费型增值税