属于高温作业的是（）
A．印刷作业
B．建筑、修路夏季施工
C．印染作业
D．轧钢、炼钢、炼铁作业
E．缝纫作业
参考答案：B
We should know that we can only reach the top if we are ready to ________ and learn from failure.[ ]
A. deal with
B. stick to
C. carry on
D. go with
缓冲器尾框各部无裂损．导框厚度不小于（），否则预热堆焊修复。
A.12mm
B.13mm
C.15mm
D.16mm
