The traditional approach ________ with complex problem is to break them down into smaller,

more easily managed problems.[ ]

A. to dealing  

B. in dealing

C. dealing  

D. to deal

焊工应穿帆布工作服，戴工作帽，上衣不准扎在裤子里。口袋须有遮盖，脚面应有鞋罩，以免焊接时被（）。

A.烧伤

B.烫伤

C.灼伤