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