同义句There is an old photo and some books on the desk
题目
同义句There is an old photo and some books on the desk
答案
保证答案准确!
= There are some books and an old photo on the desk.
= An old photo and some books are on the desk.
= Some books and an old photo are on the desk.
= The desk has an old photo and some books (on it).
= The desk has some books and an old photo (on it).
注:( ) 表示其内部分可以省略不写.
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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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