Look at the name I am sure the book ( )cover is green must belong to Lucy.A whose B that C which
题目
Look at the name I am sure the book ( )cover is green must belong to Lucy.A whose B that C which
为什么?
答案
C whose cover is green 是book 的定语
我确信那本书面是绿色的书一定是Lucy的.
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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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