问两个英语句子 .
题目
问两个英语句子 .
1.Beth usually has lunch at school.(改为一般疑问句并作否定回答)
2.Marcus always piays computer games on sundays.(对画线部分提问)
答案
1\Does Beth usually have lunch at school?
No, she doesn't.
2\plays computer games划线 What does Marcus always do on sundays?
对on sundays划线提问 When does Marcus always play computer games?
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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