一种液体的闪点为30℃,则这种液体为()
A.一级易燃液体
B.二级易燃液体
C.三级易燃易体
D.非可燃性液体
参考答案:B
为了提高生产效率,一般尽可能选择直径较大的焊条,并且直径越大越好。( )
In football, when you're on top you need to ____, and that's what Napoli failed to do. [ ]
A. take chances
B. work hard
C. keep up
D. fight for