1．
根据课文内容完成下面语法填空，注意单词拼写和词语用法：
Before Tangshan earthquake,
strange things happened. A (有味道的) gas came
out from the cracks of wells and animals became (nerve). At 3:00 a.m., everything began to shake.
It seemed that the world was at end. In fifteen seconds, a large city lay in (废墟), and the number of
people (受伤的) or killed reached
more than 400,000. Water, food and (electric) were cut off and the railway tracks
were (use) pieces of steel. But all hope was not lost.
The rescue team (organize) by the army came to help those (幸存者) and slowly the city
began to (呼吸) again.
