What great changes have taken place in your hometown in the past ten years?用英语回答.
题目
What great changes have taken place in your hometown in the past ten years?用英语回答.
答案
tall buildings have come up.roads turn wide from narrow.people is more beautiful.
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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