英语高手来(就两个题,急,
题目
英语高手来(就两个题,急,
In our life,music b___ to the whole world.
there're so many kinds of music for hearing that you're s___ to find some music that will greatly interest you
答案
1. belongs
belong to... 属于...
2. sure
be sure to do sth 一定会...
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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