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2015年盛夏,在江西南部山区,四年级的小豆子放暑假了。这天,爷爷让他把家里的几只羊去放一放。小豆子已经做完了作业,高高兴兴赶着羊到东山上去。漫山遍野的花草,到处郁郁葱
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似乎每个领域都有每个领域所遭遇到的瓶颈及困难,统计也许看似很难,与实际生活无太大关系,当今天在某道路上塞车时,也许驾驶人就会在脑袋中打转,思考着另一条替代的道路。而
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