She helped the minds of her students’ scale the mountain walls and reach out to the world beyond.
题目
She helped the minds of her students’ scale the mountain walls and reach out to the world beyond.
答案
She helped the minds of her students’ scale the mountain walls and reach out to the world beyond.
她开阔了学生的头脑,跨越大山的阻隔直达外面的世界.
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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