安全评价的根本目的是符合政府的相关要求,并实现企业的经济效益的最大化。
参考答案:错
_________ catch the early bus, I had to get up before 6 o'clock that morning. [ ]
A. For
B. In
C. In order to
D. According to
合理选择切削液,可减小塑性变形和刀具与工件之间摩擦,使切削力()。
A.增大
B.减小
C.不变