1.He wants to learn music[改为同义句] He [ ] [ ] to learn music
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1.He wants to learn music[改为同义句] He [ ] [ ] to learn music
2.they realized [many things about China ] on our trip [对括号句子提问] [ ] [ ] they realize on the trip?3.l hope to travel around the country. [改为同义句】my【 】【 】toravel around the country 为什么,用的什么语法
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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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