改写后的课文内容填空（共10个空，每空1分，满分10分）

Many people believe that “It is always calm before a storm.” Actually it is not true. Before the Tangshan earthquake, strange things happened. Some animals were too n______小题1: to eat and the water pipes in some buildings cracked and b______小题2:. At 3:42 a.m. the terrible earthquake broke out. In fifteen seconds, a large city lay in r_____小题3:. The suffering of the people was e_______小题4:. Almost everything was d_____小题5: and thousands of children were left homeless. Before people could r_______小题6:from the first quake, a second one hit the city. Some rescue workers and doctors were t________小题7:underground. Water, food, and e_______小题8:were cut off. People began to wonder how long the d____小题9: would last.

L_____小题10:， people all over the nation offered the helping hand. With the joint efforts, the city began to breathe again.

焊件上的残余应力都是压应力。