求student in american are very busy on the first day of a new semester最后3句.急用!
题目
求student in american are very busy on the first day of a new semester最后3句.急用!
答案
They are busy familiarising themselves with their new courses.They are busy meeting their teachers ,old and new.They also spend much time talking to their classmates,some of whom they have never seen before.
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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