Can____spell____(you name)?用所给单词的适当形似填空
题目
Can____spell____(you name)?用所给单词的适当形似填空
His first name is Jack.改为同义句
答案
Can you spell your name?Jack is his first name .(famliy name)
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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