关于步行上学的英文作文【一】
水是一切有机体的主要组成部分，全球动植物和40亿人体内含有约11200亿吨水。人类社会依赖水而生存发展。古代，人类对水取利避害，适应水而生存；近代，人类对水兴利除害，兴建工程，开发水利，控制水害；现代，随着社会和生产的发展，地球上可资利用的水日趋短缺，水体受到污染，严重影响人类生存的环境，人类逐渐认识到水是一种重要资源和环境因素，从而在更高的水平上开始对水开展了新的兴利避害活动。
世界气象组织1996年初指出：缺水是全世界城市面临的首要问题，估计到2050年，世界2/3以上的人口将生活在城市，而全球有46％的城市人口缺水，必须平衡社会经济发展和城市淡水供应管理二者之间的关系，进行水资源的储存、输送和管理的大规模工程建设。
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关于步行上学的英文作文【二】
这时，不远处走来了一个打扮漂亮的小女孩，左手拿着冰棍，右手拿着包装袋。她走到垃圾筒旁，把包装袋扔进垃圾筒。可能是因为有风的关系，包装袋又被吹了出来。小女孩看了看，就离开了。
步行街上，许多人走过那里，可是没有一个人肯弯下腰，检起那只包装袋，都若无其事地走了过去。
这时，来了一个年轻小伙，也来丢垃圾。他看见了地上的包装袋，准备去检，可能嫌脏，犹像了一下，又转身离开了。看了这么多人都不检，就让我去当一回好人吧。
妈妈见状，一把抓住我，说：“怎么啦，逞英雄啊？要你检干吗，那么脏；再说了，这么多人都不检，你检又不会给你奖章。”听了妈妈的话，我不由得又退了回来。妈妈的话就是圣旨，违杭了就要被骂或者挨板子，我何必为了这么一只包装袋吃这么大的苦呢？多一事不如少一事。我又坐回了凳子。
就在这时，走过来一个外国人。他先是皱了皱眉头，然后毫不犹像地弯下腰将包装纸检起来。看到这里，我被震撼了，一个外国人竟然能够做到，而作为中国人的我们竟然做不到。
中国的经济飞速发展，精神文明建设也要跟上呀！我走到垃圾箱旁，把手中的冰淇淋包装纸扔了进去。
关于步行上学的英文作文【三】
as we know , water is very important to man, we can’t live without water. the amount of water which is suitable to drink is less and less. but some people don’t care about it .they waste a lot of water in their daily life. even worse, they pour dirty water in to rivers. they throw rubbish into rivers , too. many rivers and lakes are seriously polluted.something must be done to stop the pollution. only in this way can we live happily. if we don’t save water, the last drop of water will be a tear-drop of us.
we know that despite the fact that seventy percent of the earth＇s surface is covered with water, only a little part of it is fresh water. yet the demand for fresh water in our daily life and in industry seems great. moreover, with the expansion of the population and development of industry, the amount of the fresh water needed will increase even rapidly. it is estimated that if such a trend continues, the fresh water on earth will be exhausted very soon. what is worse, more and more water resources are being polluted, making the water unfit to use.
in addition,we must warn the people of the importance of water and the danger we are facing.for example, in most asian societies where rice is the staple food, the water used after cleaning rice contains various nutrients for plant growth and is an excellent detergent to flush the toilet. furthermore, the intriguing idea of converting the inexhaustible sea water to fresh water supplies will be the ultimate solution.
