AS a student,we should help children,old people and b_____ people to cross the Street
题目
AS a student,we should help children,old people and b_____ people to cross the Street
答案
从句末的cross the Street来看 应该是帮助弱势群体(老弱病残),后面有people,前面首选形容词,b开头的形容词楼上说的对,应该是blind(盲的).
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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