具有明显的促进骨吸收的作用()
A.IL-6
B.IL-4
C.IL-8
D.IL-1
E.细胞黏附分子
参考答案:A
He________to put any sugar into the soup. [ ]
A. needn't
B. needs
C. doesn't need
D. need
坚持不懈地打击偷骗税等违法犯罪活动有利于 [ ]
①规范税收秩序
②增加财政收入
③维护税法尊严
④增加国民收入
A.①②③
B.①②④
C.①③④
D.②③④