1,This case belongs to his father对 his father划线部分提问
题目
1,This case belongs to his father对 his father划线部分提问
2,Jim is not a student.Tom is not a student,either(合并为一个句子)
----Jim-----Tom is a student.
3,He has never been to Beijing,---------?(反义疑问句)
答案
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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