He is ( ) teacher that all of us like him.A.such a good B.a such good C.a so good D.so good a
题目
He is ( ) teacher that all of us like him.A.such a good B.a such good C.a so good D.so good a
答案
such a good= so good a
选A、D都可以
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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