知识问答
最佳答案：to disseminate to parents,friends and relatives the conception of energy-saving
最佳答案：We should carry forward the splendid character of thrift and cut down the expens
最佳答案：We work together,practice bar!大家一起努力,勤俭节约吧!Let our sky bluer,the water clearer!让
最佳答案：For two T-shirt,I would like to choose the cheap one for buy a book.
最佳答案：1.We should save every piece of paper and never waste one.2.Plant more trees.3.S
最佳答案：不要随地仍烟头:Don't informal sill a cigarette butt节约用水:save water不要践踏草地:Don't to stamp
最佳答案：I think we should treasure the food, energy, and offer our own strength in order
最佳答案：We have to economize on water and electricity resources, the protection of the e
最佳答案：We are not a Doraemon,can't take out something from his pocket,so we should econ
最佳答案：we can use water to water the flowers after we use it to wash rice,in that way w
最佳答案：天呀.我都不好意思在回答了.呵呵,还是留个脚印哈.1、Don't waste the food, and save the water and electric
最佳答案：There are all kinds of sourses on earth,but they are less and less with people's
最佳答案：地铁的环境效益 Environment effect of underground节省土地 save land减少噪音 abate the noice减少干扰
最佳答案：Nowadays, waste in our life is very serious. In order to improve students' reali
最佳答案：Find some statistical data,allowing readers to understand today's world is not a
最佳答案：1.Save energy and resources effectively .2. Promote the concept of environmental
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