词语运用:1.Boys and girls!You muse do it all by _____ (you) 2.The _____ (hard) you work,the mo...
题目
词语运用:1.Boys and girls!You muse do it all by _____ (you) 2.The _____ (hard) you work,the mo...
词语运用:1.Boys and girls!You muse do it all by _____ (you) 2.The _____ (hard) you work,the more progress you't ll make.
答案
Boys and girls!You muse do it all by _yourselves____ (you) 2.The __harder___ (hard) you work,the more progress you't ll make.
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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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