如何改成否定句.一般疑问句.肯.否定回答 1.I an jane 2 She is Maria 3 He is from China
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如何改成否定句.一般疑问句.肯.否定回答 1.I an jane 2 She is Maria 3 He is from China
答案
1. I am jane I am not JaneAre you Jane? Yes, I am, No, I am not.2 She is Maria She isn't Maria.Is she Maria? Yes, she is. No, she isn't.3 He is from ChinaHe isn't from China.Is he from China? Yes, he...
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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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