英语翻译
题目
英语翻译
Multi-activity,multi-color and multi-character train set with building blocks included so it is a 2 in 1 - classical building blocks and train play.Learn shapes,colors and characters.Develop motor skills.The pull along feature encourages children to walk.Tested to meet European and U.S.safety standards.
Winner of 2009 TDmonthly Top Toy Award!Multi-activity,multi-color and multi-character train set with building blocks included so it is a 2 in 1 - classical building blocks and train play.Learn shapes,colors and characters.Develop motor skills.The pull along feature encourages children to walk.Tested to meet European and U.S.safety standards.
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举一反三
已知函数f（x）=x，g（x）=alnx，a∈R．若曲线y=f（x）与曲线y=g（x）相交，且在交点处有相同的切线，求a的值和该切线方程．
我想写一篇关于奥巴马的演讲的文章,写哪一篇好呢?为什么好
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