谁来帮忙写英语作文,
题目
谁来帮忙写英语作文,
Around 54,000 students around the world are currently taking this course in Greek and Roman mythology.In the studio,there's a camera,recording equipment,computers and technical staff to help Struck,the instructor,to record lectures and conduct live question and answer sessions with students.
1、为什么会出现这种现象
2、这种现象是好现象还是坏现象
3、为什么
答案
Around 54,000 students around the world are currently taking this course in Greek and Roman mythology.In the studio,there's a camera,recording equipment,computers and technical staff to help Struck,the instructor,to record lectures and conduct live question and answer sessions with students.
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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