As we joined the big crowd I got _______ from my friends.
题目
As we joined the big crowd I got _______ from my friends.
A.spared B.lost .C separated D.missed
答案
选择C.got sparated from 和某人被分离开来.
句意：当我们融入人群时,我和朋友们被分开（挤散）了.
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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