连词成句.1.of,one,is,kangaroo,the,national,of,Australia,animals,the(.) 2.are,from,what,China,direction,t
题目
连词成句.1.of,one,is,kangaroo,the,national,of,Australia,animals,the(.) 2.are,from,what,China,direction,they(?)
答案
The kangaroo is one of the national animals of Australia
What direction are they from,China?
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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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