焊条电弧焊电弧静特性曲线是陡降的。
参考答案：错
I like such houses with beautiful gardens in front, but I don't have enough money to buy _____. [ ]
A. it
B. one
C. that
D. this
（）一般决定了企业的纵向结构。
A.组织设计
B.管理层次
C.管理幅度
D.部门划分
