根据句意，用括号内所给单词的适当形式填空。

1. Along the street you can see many traffic ______(sign).

2. The girl can't walk on because of ______(hungry).

3. There were many ______(home) children in the village after that earthquake.

4. Our English teacher once ______(coach) several excellent students for the English contest.

5. There are all kinds of ______(advertise) on TV these days, and we shouldn't believe all of them.

确定砂垫层底部宽度应满足的条件之一是：（）

A.持力层强度

B.基础底面应力扩散要求

C.软弱下卧层强度

D.地基变形要求