-Are you good ____ children?_Yes ,I think I can help them ____ swimming.
题目
-Are you good ____ children?_Yes ,I think I can help them ____ swimming.
选项
A.with ,in B.with,with C.at,with D.for,with
选哪个?为什么
答案
be good with 是灵巧的;与……相处得好
He is very good with the children.
他与这些孩子处得很好.
help sb with sth 在某方面帮助某人
所以答案选B
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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