简介： 阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卡上将该项涂黑。
A
Have you ever heard of e-books E-books are electronic books. They are no larger than an ordinary book, with a screen on which you can read.
How does the e-book work
First, you call up websites on...