根据题意得:x+4=x-6,此方程无解.
故选D.
I don't think _____ rain this afternoon. [ ]
A. it won't
B. it's going to
C. if it's going to
D. whether it's to
同一笔经济业务需要填制两张或两张以上记账凭证的,不可以采用“分数编号法”编写的办法。( )