They watch TV at home on Saturday 怎么改否定,一般疑问句,和肯定否定回答,还有对They提问,at home提
题目
They watch TV at home on Saturday 怎么改否定,一般疑问句,和肯定否定回答,还有对They提问,at home提
还有on Saturday提问
答案
They don't watch TV at home on Saturday.否定,Do they watch TV at home on Saturday? 一般疑问句,Yes, they do. 肯定No, they don't. 否定回答,Who watch TV at home on Saturday? 对They提问,Where do they watc...
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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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