1. What crisis are books facing? Find the right words from the first paragraph and answer no more than 8 words. (2 points)

This paper has been seriously aged.

Summarize the main content of the second paragraph in one sentence. (2 points)

D: The reason why books are facing crisis.

3. What two new technologies are introduced in this paper to protect books? What's the difference between these two new technologies? (Answer in concise words) (4 points)

D: ① Electronic storage technology ② Function of "anti-acidification" process: ① Electronic storage technology provides a new way to preserve book contents; ② "Anti-acidification" technology can prolong the shelf life of books.

4. What are two ways to explain underlined sentences? What are the functions of these two explanations here? (4 points)

D: For example, sub-column data.

5. The original five sentences in the fourth paragraph, in a reasonable order, "This is far more convenient to use than the micro-film economy." Add a sentence before ().

D: before the fourth sentence

6. What are the different functions of these two new technologies (summarized in one sentence respectively)

Functions: ① Electronic storage technology provides a new way to preserve the contents of books; ② The process of "anti-acidification" can prolong the shelf life of books.