there are many places of interest which attract millions tourists from all over the world eve
题目
there are many places of interest which attract millions tourists from all over the world eve
there are many places of interest 【which】 attract millions tourists from all over the world every year.其中which能换成that吗,为什么
答案
可以 = =定语从句中做主语 指物which=that,先行词又没有不定代词限制
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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