many years ago,only boys could go to school in my hometown.then schools decided to let girls (1)__.
题目
many years ago,only boys could go to school in my hometown.then schools decided to let girls (1)__.
关于如上的英语完形填空谁有?
答案
in就够了.
let...in字面意思是“让某人进来”,这里表示“向女孩们敞开大门”.
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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