磨削工件、刃具必须带好防护眼睛,防止砂轮片砂粒飞入眼里。
参考答案:对
Sandy wants to buy the same football cards ________ his brother did. [ ]
A. like
B. as
C. to
D. so
我国利润表是通过多步计算得出当期损益的,通常把利润计算分解为()三步。
A.营业利润、利润总额和净利润
B.主营业务收入、营业利润和可分配利润
C.毛利、营业利润和利润总额
D.毛利、营业利润和应税利润总额