请找出适合贴在存放初中化学教学中常用的浓酸、浓碱药品柜上的图标( )
A.
B.
C.
D.
答案:C
- Look! It’s raining again.
-- Why _________it rain on Sundays? We are always staying inside! What a nuisance!.
A.need
B.can
C.must
D.should
船长紧急处分职能