mice get together where is lack of light还是mice get together where is lack for light?
题目
mice get together where is lack of light还是mice get together where is lack for light?
还有where后面要接it么?
答案
应该是mice get together where is lack of light
be lack of 缺乏
不加it 状语从句……
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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