职工有权制止违章作业，拒绝（）。
A.工作
B.违章指挥
C.操作
参考答案：B
求线性方程组
的通解．
(2013 ·天津二模)Compared with male graduates, a(n) ________ small number of female graduates can get employed when they go jobhunting.
A．casually
B．relatively
C．roughly
D．gradually
的通解．