20．随着全球环境的恶化，越来越多的人选择过低碳生活．请写一篇英语短文，倡议你的同学们加入低碳一族．要点如下： 1．节约用水、用电、用纸； 2．去超市自备购物袋； 3．不要购买没必要的衣服； 4．不要购买一次性的杯子和碗筷； 5．步行或骑自行车上学． 注意：1．词数80词左右．（开头和结尾已给出，不计人总词数．） 2．可适当增加细节，以使行文连贯． With the global warming getting worse，more people choose to live a low-carbon life for the purpose of reducing green house gases．As students， we can choose to live a low-carbon life，too．In our daily life，we should save water，electricity and paper．Remember to turn off the water tap or reuse water．We're supposed to use both sides of the paper．We ought to turn off the lights when we leave a room．We can bring our own shopping bags when we go to the supermarketDon't buy unnecessary clothes because it is a kind of waste．Don't buy cups，bowls or chopsticks which can be used only once．If possible，we'd better go to school on foot or by bike． Let's take action and be a low-carbon people!．
