she is going to climb mountians.we are going to visit the palace museum.改为否定句和一般疑问句.
题目
she is going to climb mountians.we are going to visit the palace museum.改为否定句和一般疑问句.
it is going to rain very soon.
答案
She is not going to climb mountainsIs she going to climb mountains?We are not going to visit the palace museum.Are we going to visit the palace museum?It is not going to rain very soon.Is it going to ...
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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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