Day, when students are home from school, Nannan came to the classroom, see the fan in the classroom is not closed, so she put off the fan the next day, the teacher praised her, saying that saving electricity is a good kind of it! "

One day, when students were returning home from school all the time, Nan Nan came to classroom and saw in the classroom is no fan, and she put the fan off, and the first 2 days, the teachers, she said that the conservation of electricity is the same as well! "

One day, when schoolmates all are on vacation from school goes home, the cedar cedar arrives the classroom, saw in the classroom the ventilator has not closed, therefore she has turned off the ventilator, second days, teacher praised her, said “uses electricity is frugal the good type!”

One day, when students are home from school when Nancy came to the classroom, see fans in the classroom did not pass, so she had to turn off the fan, and the next day, the teacher praised her by saying "energy saving is done! ”

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