54. What have businesses come to recognize now?
A. Who is capable of solving problems with ease.
B. How people can be more focused and productive.
C. What kind of people can contribute more to them.
D. Why some people are more passionate about work.
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55. What does the author say about the gig economy?
A. It may force companies to reform their business practice.
B. It may soon replace the traditional economic model.
C. It will drive technological progress on a global scale.
D. It will bring about radical economic and social changes.
路基施工检测时,常用的弯沉值测试方法有()。
A. 贝克曼梁法
B. 自动弯沉仪法
C. 落锤弯沉仪法
D. 核子密度湿度仪法
贝克曼梁实测土基弯沉值单位为( )
A. 0.1mm
B. 0.1cm
C. 0.01mm
D. 0.01cm
与普通箍筋的柱相比,有间接钢筋的轴压柱主要破坏特征是 。
A. 混凝土压碎,纵筋屈服
B. 混凝土压碎,钢筋不屈服
C. 保护层混凝土剥落
D. 纵筋屈服,间接钢筋屈服,柱子才破坏