题目内容
(请给出正确答案)
[主观题]
Before he started work,I asked the builder to give me an ______ of the cost of repairing the roof.
A) assessment B) announcement C) estimate D) evaluation
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A) assessment B) announcement C) estimate D) evaluation
第4题
高处作业必须和高压电线保持一定距离,或采取防护措施。检修用金属材料至少距裸导线2米以上。()
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