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随时随地学习
随时随地学习
How can we save electricity How can we save electricity?In the home,if you not hot,you shouldn't turn on the air conditioners，。if we go out ,we should turn off light,computer,fan,ate. In the school,if we not use computer ,we should turn off it .if we not at the classroom,we should turn off the light ,fan,computer,ate. everyone,let's save electricity now.let's protect earth. 老师，请您帮我指导，并看看，我能得到多少分.谢谢！
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