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单选题
2774. 第一步应该始终是工作准备,最后一步应该是收尾或清理。
A
The first step should always be Job Set-Up, and the last should be finish or Cleaning.
B
The first step is always Job prepare, and the last should be end or Clean-Up.
C
The first step should always be Job Set-Up, and the last should be Close-Up or Clean-Up.
答案解析
正确答案：C
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