It is a pity that we should stay at home when we have ________ weather.
题目
It is a pity that we should stay at home when we have ________ weather.
A) so fine
B) such a fine
C) such fine
D) so fine a
答案
c weather不可数,所以不用加a
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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