english,must fast!
题目
english,must fast!
How are we going to get there?=How do we go to there?
We are going to get there by plane.=We go to there by plane.
Is this right?
答案
No,no~
I think ,the first sentences are simple future tense,but the second ones are simple present tense.
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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