题目内容：

Zhang Zhiyuan, who works in the film and television industry, uses the De Dao app when he goes to work every day, according to Xinhua News Agency. The app offers written articles and podcasts from famous personalities that the user must pay for, with topics ranging from music to economics.

Zhang is not alone. By May 2017, De Dao had 7 million users, according to Bloomberg. The De Dao platform is just a small part of China’s knowledge economy. These days, more Chinese people are willing to pay for knowledge online than before, according to an article published by AFP in September.

Many Chinese people used to be unwilling to pay for content online. However, many internet users’ attitudes have changed since they began to see quality content as valuable, wrote China Daily.

Meanwhile, Chinese people, especially the young, are suffering from so-called Knowledge anxiety. In such a rapidly changing society, people are afraid of not being able to get the latest information and feeling left out, according to The Wall Street Journal.” In big cities, people are too busy to read books and watch movies. Famous personalities can teach you knowledge that lets you seem as if you have read the book or watched the movie yourself,” De Dao user James Lu told the Financial Times.

However, this way of learning has also been criticized.  “Knowledge is not the same as information. It’s certainly not something that can be gained by watching a few television shows, any more than it can be gotten by reading a few books or listening to a few podcasts,” Sixth Tone reporter Tao Lixing noted. He believes that to get real knowledge, one has to ask questions, analyze and reflect, rather than rely simply on internet content.

In spite of this, it seems that paying for knowledge online is a popular phenomenon that shows no signs of slowing down.

1.What do you know about De Dao?

A. People can read articles on De Dao. B. People can only write articles on De Dao.

C. People can’t listen to music on De Dao. D. It’s free.

2.Which is not the reason that people like to pay for knowledge online?

A. The society changes so rapidly. B. people are afraid of being left out.

C. It’s cheaper to pay for knowledge online. D. people are too busy to read books and watch movies.

3.Which statement is the writer’s opinion?

A. By May 2017, De Dao had 7 million users, according to Bloomberg.

B. Famous personalities can teach you knowledge that lets you seem as if you have read the book or watched the movie yourself

C. Knowledge is not the same as information.

D. It seems that paying for knowledge online is a popular phenomenon that shows no signs of slowing down.

4.This passage may come from __________

A. a science book B. a newspaper C. a magazine D. a novel