This is the film she told me about .这个句子 Stella have to do her homework first.这个句子
题目
This is the film she told me about .这个句子 Stella have to do her homework first.这个句子
She is going to have coffee with herself.这个句子
Do you really have to decide immediately?这个句子
对的直接说对,错的把正确的说出来,
答案
1 对
2 Stella has to do her homework first.
3 She is going to have coffee by herself.
4对
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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