【正文】
。t wait to present my ideas on how to promote it. on the first place, a nocar day is supposed to set up every week in our school. because cars not only cause serious air pollution but also waste energy. on nocar day, neither students nor teachers are allowed to drive to school. meanwhile, just walk, jump, cycle or run. use our legs and enjoy the fun. on the second place, we had best not use plastic bags any more. no one can stand the “。s some left, but remember t