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【单选题】Businesses put lots of time and money into new plans, programs and excellent employees with the hope things will change．Yet, at the end of the effort, not much changes．What happens? In most cases, tho...
A.
What past experience is useful for businesses?
B.
How much time is needed for making plans?
C.
How can changes be made in businesses?
D.
What kinds of employees are the best?
【多选题】作业前的安全会需要让员工了解的内容包括（）
A.
工作的详细步骤安排和相邻相关工作的安排
B.
每个步骤的潜在危害
C.
控制危害的措施
D.
每项工作的具体时间和负责人