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1、Self Check,任务,任务:根据首字母提示完成短文。 Its our duty to keep the environment clean and tidy.You might ask yourself,“Have I ever picked up some rubbish and 1.t it into a bin?Have I ever collected waste paper or bottles for 2.r ?Have I ever planted any trees or flowers in or near my 3.n ?”If your answers are“Ye
2、s”,it means that you have already done something 4.u to improve the environment.If everyone does something to 5.p the environment,the world will become more and more beautiful.,hrown,ecycling,eighborhood,seful,rotect,Ways to cut down 减少(污染)的方法 cut down意为“减少;削减”。如: Your composition is too long.It should be cut down by half. 你的作文太长,需要削减一半。 拓展 cut down还有“砍伐”之意。如: Lots of trees have been cut down in the last few years. 在过去的几年里,大量的树木被砍伐。,
