In most museums you can only _____ the things there.
题目
In most museums you can only _____ the things there.
A look B look at C looked D look on 选哪个?为什么?
答案
选B
look看,强调动作
look at 强调看某一点或某一物,这里是look at the things there.
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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