1.Taiwan lies__the sonth-east of China.
题目
1.Taiwan lies__the sonth-east of China.
2.Taiwan lies__the east of fujian.
3.Guangxi Provice is__the west of Guangdong Provice.
4.My grandfatherc was born__Oct.10,1935.
5.Mike does his exercises__seven__the exening.
答案
to,to,on,on,at,in
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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