保护地球
<p>如果增加一个人，世界就会增加一个人的用水量，地球上的人越来越多，可供我们食用的水就会从淡水总量的2.639亿立方米减少到0立方米，最后的一滴水将是我们的眼泪。如果不节约用水，这样的结果将会展现在我们的眼前！让我们节约用水吧，全中国13亿人，全世界63亿人，如果每人每天节约一升水，一人365天就能节约三百六十五升水，全世界一年就能节约2299500000000（2.2995兆）升水。真是不算不知道，一算吓一跳。</p><p><span word="If">If</span> <span word="we">we</span> <span word="increase">increase</span> <span word="one">one</span> <span word="person">person</span>, <span word="the">the</span> <span word="world">world</span> <span word="will">will</span> <span word="increase">increase</span> <span word="one">one</span> <span word="person">person</span>'<span word="s">s</span> <span word="water">water</span> <span word="consumption">consumption</span>. <span word="With">With</span> <span word="more">more</span> <span word="and">and</span> <span word="more">more</span> <span word="people">people</span> <span word="on">on</span> <span word="the">the</span> <span word="earth">earth</span>, <span word="the">the</span> <span word="amount">amount</span> <span word="of">of</span> <span word="water">water</span> <span word="available">available</span> <span word="for">for</span> <span word="us">us</span> <span word="to">to</span> <span word="eat">eat</span> <span word="will">will</span> <span word="be">be</span> <span word="reduced">reduced</span> <span word="from">from</span> 263.9 <span word="million">million</span> <span word="cubic">cubic</span> <span word="meters">meters</span> <span word="of">of</span> <span word="fresh">fresh</span> <span word="water">water</span> <span word="to">to</span> 0 <span word="cubic">cubic</span> <span word="meters">meters</span>, <span word="and">and</span> <span word="the">the</span> <span word="last">last</span> <span word="drop">drop</span> <span word="of">of</span> <span word="water">water</span> <span word="will">will</span> <span word="be">be</span> <span word="our">our</span> <span word="tears">tears</span>. <span word="If">If</span> <span word="we">we</span> <span word="don">don</span>'<span word="t">t</span> <span word="save">save</span> <span word="water">water</span>, <span word="such">such</span> <span word="results">results</span> <span word="will">will</span> <span word="be">be</span> <span word="shown">shown</span> <span word="in">in</span> <span word="front">front</span> <span word="of">of</span> <span word="us">us</span>! <span word="Let">Let</span>'<span word="s">s</span> <span word="save">save</span> <span word="water">water</span>. <span word="There">There</span> <span word="are">are</span> 1.3 <span word="billion">billion</span> <span word="people">people</span> <span word="in">in</span> <span word="China">China</span> <span word="and">and</span> 6.3 <span word="billion">billion</span> <span word="people">people</span> <span word="in">in</span> <span word="the">the</span> <span word="world">world</span>. <span word="If">If</span> <span word="each">each</span> <span word="person">person</span> <span word="saves">saves</span> <span word="one">one</span> <span word="liter">liter</span> <span word="of">of</span> <span word="water">water</span> <span word="every">every</span> <span word="day">day</span>, <span word="one">one</span> <span word="person">person</span> <span word="can">can</span> <span word="save">save</span> 365 <span word="liters">liters</span> <span word="of">of</span> <span word="water">water</span> <span word="every">every</span> 365 <span word="days">days</span>, <span word="and">and</span> <span word="the">the</span> <span word="world">world</span> <span word="can">can</span> <span word="save">save</span> 2299500000000 (2.2995 <span word="trillion">trillion</span>) <span word="liters">liters</span> <span word="of">of</span> <span word="water">water</span> <span word="every">every</span> <span word="year">year</span>. <span word="I">I</span> <span word="don">don</span>'<span word="t">t</span> <span word="know">know</span>. <span word="I">I</span>'<span word="m">m</span> <span word="scared">scared</span>.</p><p>除了缺水，水土流失严重，这是因为人们乱砍滥伐造成的。如果没有了树木就会有洪水来袭：比如2007年淮河王家坝水位涨到了29.3米，不得不放开闸门；还有南京特大暴雨，都把火车的轮子淹没了；重庆的特大暴雨更凶猛，把一辆108路公共汽车都淹没了，还把一条路冲了一个大坑，损失了26.35亿人民币(<span word="RMB">RMB</span>)；再说济南7. 18特大暴雨，天桥区的生产路水位达到2.5米以上，泉城广场的地下商城（银座商场）水位达到了门顶，许多在路上的小轿车淹过了车的门窗，整个济南损失近12亿人民币。多一个人，每天就会增加1.2吨的二氧化碳，而一平方千米的亚热带落叶阔叶林能释放出9吨的氧气，让我们都来植树造林吧，这样一来，不仅让地球增添了绿色，人们所需的氧气也有了保障。</p>
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