英文句型转换 改为否定句
题目
英文句型转换 改为否定句
1.she is a deputy manager
2.David works in New York
3.You can use the photo in the living room
4.My computer is working
5.Mary will be here
答案
1.She is not a deputy manager.2.David doesn't work in New York.3.You can't use the photo in the living room.4.My computer is not working.5.Mary will not be here.
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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