Leonardo da Vinci(1452—1519)was an Italian painter,inventor,musician,engineer and scientist.把这句话改编成对
题目
Leonardo da Vinci(1452—1519)was an Italian painter,inventor,musician,engineer and scientist.把这句话改编成对话.
答案
A:Do you know any famous Italian?One of my friend now in italy and I really want to know more aout this country.B:Oh.If so,I have to mention da vinci whose full name is leonardo da vinci.He was born i...
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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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