he is the only one of the students in our school who plys the piano well.
题目
he is the only one of the students in our school who plys the piano well.
答案
这句话不对.本句who plays the piano well 中的plays 拼写错了.而且此从句的先行词应为one ,当先行词前有the only ,the very ,the last 等修饰时,关系代词只能用that.因此本句中的关系代词应用that.
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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