新目标九年级英语SELF CHECK 49页 回信怎么写
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新目标九年级英语SELF CHECK 49页 回信怎么写
刚刚哪个发来的答案 我点错老 再发来一道哇
答案
Dear Lingling,Thanks for your letter,I am glad to hear that you have a good trip.You asked me what language I would like to learn.Well,I would like to learn English,because it is the most popular lang...
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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