初一上册英语习题
题目
初一上册英语习题
School Trip
No.1 Middle School has a great school teip.Welcome to join us!You can have fun!
Date:April 16th
Place:Yello Stone Park
Please call Mr Brown at 2132757 to ask everything about the school trip to Yellow Stone Park.
How can you get more information about the trip?
答案
I can call Mr.Brown.
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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