第一节 短文改错(共10小题；每小题1分，满分10分)
此题要求改正所给短文中的错误.对标题号的每一行做出判断：如无错误，在该行右边的横线上划(√)；如有错误(每行只有一个错误)，则按下列情况改正：
此行多一个词：把多余的词用斜线划掉，在该行右边横线上写出该词，并也用斜线划掉。
此行缺一个词：在缺词处加一个漏字符号(^)，在该行右边横线上写出该加的词。
此行错一个词：在错的词下划一横线，在该行右边横线上写出改正后的词。
注意：原行没有错的不要改。
A helicopter is sometime more useful than a
big plane .When 76．
it takes off, it goes straight on . When it
lands , it comes 77．
straight down . It needs not only a small
place for both taking 78．
off and landing . When a tall building is
on fire , we can 79．
see a helicopter to come down to rescue the
people on the top 80．
of them . Helicopters make many kinds of
work easy . They 81．
are used to making maps , flying over the
ground and taking 82．
pictures from the air . To rescue people
whom are very 83．
sick or in danger , helicopters are send to
some faraway 84．
areas . The helicopter may take place of a
car or a train 85．
in some cases .