Does anyone ever open this window?Some opens it regularly.It is opened regularly.
题目
Does anyone ever open this window?Some opens it regularly.It is opened regularly.
Does anyone ever open these windows?Some opens them regularly.They are opened regularly.
这两个句子怎样区分主动语态,被动语态.
答案
主动语态的有:Does anyone ever open this window? Some opens it regularly.Does anyone ever open these windows? Some opens them regularly.它们的特征是“动作发出者+动作+动作的承受者”被动语态的有:It...
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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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