这英语句语法对么?
题目
这英语句语法对么?
我想表达的是我们没法划分哪些研究重要哪些不重要.we cannot draw an explicit line between the researches which are important and which not.
答案
我想表达的是我们没法划分哪些研究重要哪些不重要.we cannot draw an explicit line between the researches which are important and which not.We can't distinguish what research is important from what resear...
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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