How can we save electricity in our homes and school?
问题描述:
How can we save electricity in our homes and school?
(用英语)
我们怎样才能在家里和在学校里节约用电呢?
答
We should turn off the lights when there is no people in the livingroom.In order to save electricty,we'd better use less powerful lights.However,smaller televisions and computers are still necessary i...