小学英语填空题:
题目
小学英语填空题:
Liming wants to have a tr___to B__,He wants Danny and Jenny to ___,too.He thinks trips ___fun,He needs to take a tr___,So he wants to buy three t___s.
答案
traval Beijing go are train tickets
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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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