急需我爱中国英语短文三分钟,谢谢.
题目
急需我爱中国英语短文三分钟,谢谢.
在线等.
答案
Good!My mother is my second great mother.She walked a step-by-step,vicissitudes,a history of evidence,that a patriotic officers and men sacrificed their lives for the country,always inspired us to forge ahead; She has a splendid culture,Cangjie created characters in which there are a number of secret,and that beautiful music is the most beautiful art in the world; She has a great beautiful rivers and mountains,towering峻拔of Mount Everest,as the girl's southern Guilin,the magnificent Taishan made her more beautiful!Motherland of the number of outstanding sons and daughters --- Dong Cunrui,Zheng Chenggong,Deng married first,Yang Liwei all these great names are deeply engraved in our hearts,and their deeds,it is respect; their spirit will always inspire us advance.Today,the motherland fulfill the dream of a century,athletes have a glorious creation,so that even more proud of the motherland and pride!
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.
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