There is no need for us to discuss the problem again since it has already been settled.
题目
There is no need for us to discuss the problem again since it has already been settled.
为什么用 there is 不用
it has 或
it is
there has啊
答案
There is no need to do……这是固定句型,习惯搭配.
There is no use doing……也一样是习惯用语.
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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