Su Daoquan, aged 65, was a retired man in Hechuan of Chongqing. He got a lot of attention to local people earlier this month during the first public appearance of his specially invention — a water boat. The opening performance of his pedal boat given on the nearby Fujiang River in front of a crowd of more than 100 onlookers. The pedal boat is 2.6 meters long and 1.4 meters wider. It has empty metal containers on both sides. The pedals are used to turn to a pedal wheel. The driver can ride it in the center or there is room for two other adult. He said that invented it brought him a lot of joy and that our creation is not harming the environment and is suitable for tourism.
增加：在缺词处加一个漏字符号(∧)，并在其下面写出该加的词。
删除：把多余的词用斜线(\)划掉。
修改：在错的词下划一横线，并在该词下面写出修改后的词。
注意：1.每处错误及其修改均仅限一词；
2.只允许修改10处，多者(从第11处起)不计分。
Last winter vacation，some of my classmates decide to travel with their friends，while I chose to take parttime job to gain experience and earn some money.I learned from my teacher that a nearby company was looking after students with good handwriting to write addresses on envelope.The pay were 10 cents per envelope.I headed for the company，feeling sure I would easy finish 300 envelopes in five hours and to earn the money.Actual，I only finished 200.Now，I fully understand how hard is to earn money.Getting out of the classroom is indeed necessary for we all.
