We are going to keep our money in a ________.
题目
We are going to keep our money in a ________.
John went to ________ at the age of seven.
Is he making a call over the ________?
Our guests are having a rest at Great Wall _________.
答案
1.bank
2.school
3.phone
4.hotel
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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