the approaches to research should be adjusted to the changing situation
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碱性焊条收弧时,不适宜采用反复断弧收弧法。( )
A. 对
B. 错
某混凝土结构工程,工程量清单中估计工程量为3000m3,合同约定:混凝土结构工程综合单价为550元/m3实际工程量超过估计工程量10%以上时,单价调整为540元/m3工程结束时承包商实际完成混凝土结构工程量为4000m3,则该工程结算款为( )万元。
A. 216.0
B. 219.0
C. 219.3
D. 220.0
直流焊接时,焊条接电源负极的接法叫正接。( )
A. 对
B. 错
Questions 15 to 17 are based on a talk on student housing. You now have 15 seconds to read Questions 15 to 17. What do the married student apartments not allow
A. Children.
B. Cooking.
C. Spouses.
D. Single students.