改一般疑问句并作肯定与否定回答,再改否定句
题目
改一般疑问句并作肯定与否定回答,再改否定句
1.Spring comes first.
2.There is some water in the cup.
3.There are my teacher.
4.I'd like to eat some food.
5.The girl cleans blackboard.
答案
1.Spring doesn't come first.
Does spring come first? Yes, it does. No, it doesn't.
2.There isn't some water in the cup.
Is there some water in the cup? Yes , there is. No, there isn't.
3.There aren't my teacher.
Are there my teacher.? Yes , there are. No, there aren't.
4.I wouldn't like to eat some food.
Would you like to eat some food? Yes , I'd like to. No , I wouldn't like to.
5.The girl doesn't clean blackboard.
Does the girl clean blackboard? Yes, she does.No, she doesn't.
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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