My sister usually has lunch at school.(改为否定句)
题目
My sister usually has lunch at school.(改为否定句)
2,Peter wants to play football(tomorrow).(对画线部分提问)
3,There is some milk in the bottle.(改为否定句)
答案
1.My sister doesn't usually have lunch at school.或者 My sister never has lunch at school.
2.When does Peter want to play football?
3.There isn't any milk in the bottle.或者 There is no milk in the bottle.
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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