后置埋件力学性能检测中,当试验荷载大于建筑锚栓承载力设计值后,在某级荷载作用下,建筑锚栓的位移量大于前一级荷载作用下位移量的5倍时,可终止加载。()
参考答案:对
— What's Mr Lai selling to Eric?
— ____ selling ____ a newspaper. [ ]
A. His, him
B. He's, her
C. She's, her
D. He's, him
下列各组离子在溶液中一定能大量共存的是( )
A.Na+、K+、Cl-、NO3-
B.H+、K+、NO3-、OH-
C.Na+、Ba2+、OH-、SO42-
D.H+、K+、NO3-、CO32-