Itisimportanttobealwiththerubbishincities.%D%AOurworldwascolorful,beautifulandfulloflife.Buttheseyears,peoplehavebuiltmanyfactoriesalongrivers.Manytreeshavebeencutdown.Manyanimalshavelosttheirhomes.Factoriescausepollution.Riversbecomepolluted.%Dªsastudent,youshoulddoeverythingsinyoureverydaylifetoprotectthem.%D¯irst,stopwastingmorewater.%D%ASecond,throwwastethingsintodifferentdustbins.Forexample,wastepapershouldbethrowintopaperrecyclablebins.%D%AThird,stopcuttingdowntrees.Instead,plantmore.%D¯ourth,pickupgarbageintheparkorontheroadwhenwearefree.%D%ALast,callonmoreandmorepeopletopayattentiontocontrllingpollution.%D%AInaword,everybodyhashisdutytoprotecttheworld.%D%A']%D%A是重要对beal与垃圾在城市.%D%A我们的世界是五颜六色,美丽和精力充沛的.但是这些岁月,人们修造了沿河的许多工厂.许多树砍了.许多动物丢失了他们的家.工厂起因污染.河变得污染.%D%A作为学生,您应该做每事在您的保护他们的日常生活中.%D%A首先浪费更多水的中止.%D%A第二投掷废事到不同的垃圾箱里.例如,废纸应该是投掷入纸可再循环的容器.%D%A第三中止缩短的树.反而,种植更多.当我们自由时,第四在公园拾起垃圾或在路.%D%A最后在越来越注意的人的电话contrlling的污染.%D%A大家有保护他的义务世界.