单项选择题
A．a better way to download an Ebook B．a new kind of book - the Ebooks C．the new version of Ebooks D．the fun of reading Ebooks
A．an advertisement of an airline B．a notice for airline passengers C．a schedule of an international flight D．an introduction to an airline company
A．An ebook is ordered in the same way as a print book is. B．The size of the words in an ebook cannot be changed. C．The downloading time is decided by the ebook’s size. D．There is less fun reading an ebook than a print book.