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。对标有题号的每一行做出判断：
如无错误，在该行右边横线上画一个勾(√)；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。
One day,Mr Ampere went to his
way to 76.___________
give a lecture.He was thinking
off an 77.___________
experiment as he was walking
for by the river. 78.___________
He picked up a stone and put
into his pocket. 79.___________
Suddenly he thought out a way
to carry out his 80.___________
experiment.He was such happy
that he threw 81.___________
that he thought was a “stone”
in his pocket into 82.___________
the river.Late,when he wanted
to look at the time, 83.___________
what he took out of his pocket
was not watch 84.___________
but a stone.His watch had been
throwing into 85.___________
the river by himself.