It is known to us ___ where is pollution there is harm.
题目
It is known to us ___ where is pollution there is harm.
A.which
B.where
C.what
D.that
答案
D It is known to us that where there is pollution there is harm.
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
最新试题
热门考点