T:We are going to a three-day.What are you going to do,Mike?
题目
T:We are going to a three-day.What are you going to do,Mike?
M:I"m going to my grandpa in the countryside.
T:Where he live?
M:He lives in a small village near the Nice Lake.
T:What does he
M:He"s a farmer.
T:Are there cows ahd sheep his farm?
M:Yes.There are,And there are some pigs.
T:you often go and see your grandpa?
M:No,But sometimes he comes to see .
T:lives with your grandpa?M:My uncle and aunt.
T:Has your uncle got any M:Yes,he has two sons and a daughter.
T:please say to your grandpa family me ,M:I will,Thank you.
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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