哪位英语学得好 快来回答
题目
哪位英语学得好 快来回答
将句子合并成一个句子
Is she a teacher?Do you know?
Where will we have a meeting?I want to know.
I prefer being outside,John says.
Does he spend much money on clothing?She doesn't know.
How can I get to the park?I don't know.
答案
do you know if she is a teacher?i want to know where we will have a meeting.john says that he prefers being outside.she doesn't know if he spends much money on clothing.i don't know how i can get to t...
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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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