1. (2019八下·深圳开学考) 阅读理解

    E-book is short for electronic（电子的）book. It is usually read on personal computers or mobile phones or e-book readers.

    Earlier, only some groups of readers would read e-books. And the subjects of e-books were not too many. With the development of the Internet, people find more knowledge in e-books. This is why e-book business is developing quickly.

    E-books have many advantages（优点）. First, they save time. We don't need to go to a bookstore to buy paper books. Besides, we can find the topic we want to know on the Internet. And then we can quickly get many e-books on similar topics. Second, e-books save money. Some e-books cost a little money, and there are millions of e-books on the Internet. And we can read them for free. Third, because e-books are not made of paper, people don't need to cut down so many trees anymore. It's good for the environment. Fourth, e-books make reading more convenient. You can carry hundreds of books with you in a small computer or any e-book reader. But that's also e-book's disadvantage（缺点）. They need a personal computer or e-book reader. And the information of e-books can be lost. However, e-books provide us with a new way of reading. That's good.

1. （1） Why is the e-book business developing quickly?

   A . Because earlier e-books are about only a few subjects. B . Because people don't like to read any paper books any more. C . Because e-books are designed for certain groups of readers. D . Because the development of the Internet makes e-books more useful. 
3. （2） Which of the following is NOT the advantage of e-books?

   A . e-books are cheaper than paper books B . e-books can save you a lot of time. C . You can only read e-books on computer or e-book readers. D . It is easier to carry e-books around.
5. （3） What is the underlined word "e-book reader"?

   A . a kind of reading machines B . a book about reading C . someone who loves reading D . a kind of computer
7. （4） According to the article, what is the disadvantage of e-books？

   A . The information in e-books can be lost. B . You can carry hundreds of books in an e-book reader. C . You can buy cheap e-books anywhere. D . You can read e-books any time.
9. （5） What is the main idea of this article?

   A . You don't need to buy paper books any more. B . The e-books have disadvantages. C . The development of e-books can help save the environment. D . E-books provide us with a new way of reading.