进行气体保护焊时，接焊完毕后不需要加固。因为加固过的焊接缝强度低于未经加固的焊缝。
参考答案：对
38.—What’s happened to Mary?
—She was ____ frightened. She was also robbed.
A．less than
B．no less than
C．more than
D．no more than
岗位绩效工资的构成包括（）三部分组成。
A、辅助工资
B、岗绩工资
C、年功工资
D、浮动工资
