根据句意及首字母的提示，补全单词。

1.  Tom's father is a d_____ manager in the company.

2.  The store is three b_____ away.  You can walk there.

3.  You can buy f_____ fruit and vegetables in the market.

4.  They b_____ that it was all done by magic.

5.  The chair is of solid o_____, so it is very expensive.

某房屋建筑公司在某市承建某外资公司15层高级员工公寓，主体是全现浇钢筋混凝土框架-剪力墙结构，建筑面积32000m²，建筑高度55.5m，筏板基础。

钢筋混凝土的优点有( )。

A．强度较高，钢筋和混凝土两种材料的强度都能充分利用

B．可模性好，适用面广

C．抗冻性较好，维护费用低

D．易于就地取材

E．适用于抗震抗爆结构