These construction workers are required to participate_the safety training program.(5.0)(5.0) (5.0)

单选题

These construction workers are required to participate_the safety training program.(5.0)(5.0) (5.0)

答案解析

填空题

construction（）

答案解析

单选题

Water displacing corrosion inhibiting compound has been applied during construction on certain airplanes in the locations shown in this figure . Periodic reapplication in these, and other locations, is required to maintain effectiveness of this protection.

答案解析

单选题

Airport fee is airport( )and construction fee.

答案解析

单选题

CM（Construction Management）承包模式的特点是（ ）。

答案解析