英语过去式改为否定句,一般疑问句,否,肯定回答,说说啊
题目
英语过去式改为否定句,一般疑问句,否,肯定回答,说说啊
1.All the students were in the classroom.
否定句:the students did not in the classroom.
一般疑问句:did the students in the classroom?
肯定回答:the students were in the classroom.
否定回答:the students did not in the classroom.
2.I went to school yesterday.
否定句:I did not go to school yesterday.
一般疑问句:did I go to school yesterday?
肯定回答:I went to school yesterday.
否定回答:I did not go to school yesterday.
答案
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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