at the top of mountain( ) A ,stands a tall tree B,a tall tree is c does a tall tree stand
题目
at the top of mountain( ) A ,stands a tall tree B,a tall tree is c does a tall tree stand
B,a tall tree is c does a tall tree stand D is a tall tree standing 选哪个?请具体分析
答案
at the top of mountain( ) A ,stands a tall tree B,a tall tree is c does a tall tree stand B,a tall tree is c does a tall tree stand D is a tall tree standing 选A这是一句地点状语放句首的完全倒装句型结...
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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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