84．m　 etal前加from 85．√→

书面表达：

Labour Day and National Day of 2000

During Labour Day of this year, many people have made a trip to some good places for their 7 free days.

Almost every newpaper has reported the crowd. After National Day,three numbers have been reported by Travelling Department in Beijing,the number of the people who travel to Beijing is 1,680,000;the number of the people who leave from Beijing is 890,000;the number of the travelling income is 1,425,000,000, three decreased rates of them is 33%,11% and 17%.

All of these numbers show the people's thought about how to spend their short vacation is changed. They come to realize that they should think more about the travelling,not just in order to have a good time.

83．clossing→closed

82．from struch→from being struck

81．去掉had

80．same前加the

78．the→an 79．√

77．去掉of

76．h　 ighly→high

75．B　 第四段所举例子统计，1997年一年内美国校园内中学生持枪杀人连续三次，共杀死9名学生。