任何一个国家都有社会公德来营造社会环境和促进社会进步。近年来，有的人道德滑坡，遵守社会公德在一些人眼里变得不值得重视，甚至认为讲公德会吃亏，自私自利的行为时有发生。请根据某天发生在

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(答案→)One day a boy was eating a banana in the campus. After eating it up, he wanted to throw the skin into the dustbin, but it dropped outside. Although the dustbin was near/The dustbin being near, he didn’t want to take any trouble to pick it up but went away directly, thinking that someone would clean the rubbish. The banana skin smelt bad after a while. 
解析：这是一篇看图作文，看图作文要求考生将画面所包含的有效信息直接运用英语思维转换成英语语言文字，再根据这些要点谋篇布局。要求考生把看到的图画用文字表达出来，除了能表达清楚图画中的信息外，考生还需要根据词数要求，适当拓展并发挥想象，从而使文章的叙述不单调。如果是记叙文类的写作素材，考生要注意故事的时间、地点、人物、事件的起因、过程、结果这六个要素；如果是说明文或议论文，考生则首先要对图画的内容进行描述，然后围绕图画的信息进行说明或议论。此时考生一定要注意把握图画的中心思想，写出图画要反映的内容。写作时注意准确运用时态，上下文意思连贯，符合逻辑关系，一定要契合给出的开头，不能出现文章脱节问题。尽量使用自己熟悉的单词句式，同时也要注意使用高级词汇和高级句型使文章显得更有档次。
【亮点说明】After eating it up, he wanted to throw the skin into the dustbin, but it dropped outside. 这句话用了动名词，Although the dustbin was near/The dustbin being near, he didn’t want to take any trouble to pick it up but went away directly, thinking that someone would clean the rubbish. 这句话用了现在分词做状语， Obviously, what the boy did shows a lack of social morality. 这句话用了主语从句，Nowadays some people consider it of little value to observe social morality and bee more selfish and indifferent. 这句话用了it做形式宾语，We need to take action to develop a sound system which advocates good behaviours and keep all necessary disciplines and requirements in mind, thus creating a harmonious social environment benefiting others as well as ourselves. 这句话用了非限制性定语从句和现在分词做状语和定语，Personally, the most effective way is that we should raise people’s awareness and act morally individually.这句话用了表语从句。