— Excuse me. ________did you say you'd like to do, Miss Kilp?

— I said I'd better go back to the office. I'm going to meet someone this afternoon.

A．Why　

B．When

C．What

D．Where

中密度（强化）复合地板面层所采用的材料，其技术等级及质量要求应符合设计要求。木搁栅、垫木和毛地板等应做防腐、防蛀处理，其检验方法有（）

A.观察检查

B.用2m靠尺和楔形塞尺检查

C.检查材质合格证明文件

D.检查检查报告

E.脚踩检查