导读：作文标题：中英语作文万用模板-话题作文关 键 词：话题小学二年级150字字    数：150字作文本文适合：小学二年级作文大全网提示:我们希望您能加入到我们的队...

作文标题： 中英语作文万用模板-话题作文
关 键 词： 话题 小学二年级 150字
字    数： 150字作文
本文适合： 小学二年级

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Nowadays, there are more and more __ _ in __ _. It is estimated that ___. Why have there been so many ____? Maybe the reasons can be listed as follows.　　The first one is ______. Besides,_____. The third one is _____. To sum up, the main cause of it is due to _____. It is high time that something were done upon it. For one thing,_____. For another thing, _____. All these measures will certainly reduce the number of _____.