烟花爆竹产品的级别、类别的划分应符合GB10631《烟花爆竹安全与质量》的规定。
参考答案:对
We students should hunger_____ knowledge and_____ ourselves with knowledge for the competition nowadays is very fierce.
A.with, supply
B.for, equip
C.to, relate
D.for, feed
降血脂药()。
A.A
B.B
C.C
D.D
E.E