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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