try out for
题目
try out for
答案
try out for: vt. 参加选拔Examples:1. His brother's example inspired him to try out for the football team. 他哥哥的榜样激励他去接受足球队的选拔测试.2. Shirley will try out for the lead in the play. ...
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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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