根据《化学品分类及危险性公示 通则》GB13690-2009,氧化性液体指本身未必燃烧,但通常因放出氧气可能引起或促使其他物质燃烧的液体。
参考答案:对
回答问题。
1. What is the weather like today?
___________________________________.
2. Is it cold?
__________________________________.
3. Can you wear your T-shirt today?
4. What animal do you like?
5. Do you like pandas?
_________________________________.
若有以下定义: int a[] =1,2,3,4,5,6,7; char c1='b',C2='2'; 则数值不为2的表达式是( )。
A.a[1]
B.'d'-c1
C.a['3'-c2]
D.c2-0