本单元课外作业，留学生请通过电子邮件交作业，其他同学提交纸质作业，谢谢。教师电子邮箱：liujiehai@nuist.edu.cn

Writing task topic: 

Ebook or book: what is the right one to you?

Write an essay of about 200 words on the given topic. If needed, you can refer to both sides of the argument on page 16 of the student book.

PS：for international students, turn in your assignments via email (liujiehai@nuist.edu.cn), while other students submit paper assignments, thank you.