Being determined is a kind of quality,___ it takes to do anything well.
题目
Being determined is a kind of quality,___ it takes to do anything well.
A.how B.what C.however D.which
请写明原因,
答案
D,引导非限制定语从句.在从句中做take 的宾语.句型it takes sth.to do
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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