若4x2+kx+25是完全平方式,则k= _________ .
±20
---Is that 120? A man is seriously hurt near the railway station.
--- OK. Help is _______.
A.in the way
B.by the way
C.on the way
D.all the way
以募集设立方式设立的股份有限公司,其成立日期为股款缴足的日期。()