I have some plants.(改为一般疑问句) We have a big TV in our house.(改为否定句) He has a tennis racket.(改为一般疑问句)T
题目
I have some plants.(改为一般疑问句) We have a big TV in our house.(改为否定句) He has a tennis racket.(改为一般疑问句)They play sports every morning.(改为一般疑问句)
答案
I have some plants.(改为一般疑问句) Do you have any plants?We have a big TV in our house.(改为否定句) We don't have a big TV in our house.He has a tennis racket.(改为一般疑问句)Does he have a ten...
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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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