单词拼写

1. His house was completely_______(破坏,毁坏)in theearthquake,which made him homeless.

2. Females find it____(极度地)difficult to get a job in such a field.

3. Many people were killed or________(受伤)during the earthquake.

4. Hundreds of people are still in the water,waiting to be  ____(营救,援救).

5. After the battle they_______(埋葬)the dead.

6. She____(表达)surprise when I told her how much  it was.

7. ____(祝贺)on your new job!

8. The dog looks____(令人恐惧的).

9.____(判断)from his accent,he is an American.

10. Yushu lay in______(废墟)after the earthquake.

将一块正方形铁皮的四角各剪去一个边长为4cm的小正方形，做成一个无盖的盒子．已知盒子的底面积为225cm²，求原铁皮的边长．