B. You can also read books and browse other multimedia information online.

C is a process of deep learning and thinking.

D reading ability directly affects the future of a country and a nation, and the decline of reading rate is behind the decline of national quality.

2. Prove the importance of reading in the network era, and let people have a new understanding of reading.

On the one hand, the function is to make the explanation more accurate, on the other hand, it is to make the explanation more convincing and convincing.