梁和板均是（）构件。
A.受拉
B.受压
C.受弯
D.受扭
参考答案：C
______ have finished the work can leave. [ ]
A. Those who
B. Anyone
C. The one who
已知两点坐标A（232.707，397.445）B（269.446，537.883）那么直线AB的方位角为（）m
A.165°20′23″
B.75°20′23″
C.255°20′23″
D.14°39′37″
