1, the title points out the object and content of the explanation, uses colloquial language and question form, is clear and concise, and can stimulate readers' interest in reading.
2.( 1) fast; (2) various means of confidentiality.
3. Examples and figures. Specifically, there are many kinds of overseas commodities in the Song Dynasty, which shows that shipping and overseas trade in the Song Dynasty have further developed.
4. analysis: a, b and c, the content is in line with the text. Item d doesn't fit the meaning of the text. According to paragraph ⑥ of Selected Works, "There were more packaging tools and means in Han Dynasty", we can see that item D is wrong. So choose item D.
Reference answer: D.
5. Analysis: After the seventh paragraph of the original text, there is such a paragraph: "The most famous is a sentence in the poem" Crossing Huaqing Palace "by Du Mu, a poet in the Tang Dynasty," The world of mortals rides a concubine and laughs, but no one knows it is litchi ". The 500-mile fast horse was originally used to deliver emergency military information, but now it is used to send fresh fruit to Yang Guifei. How can the national politics be deserted without heartbreaking? "
Reference answer: it is more appropriate to put it in paragraph 7. Because the poem in the material is consistent with the ancient "fresh express" content in paragraph 7, it can be used as an example; Also consistent with the last sentence of this paragraph.
Post office:
The post station is the place where officials who passed military information boarded the bus and changed horses on the way in ancient times. The border guards transmitted information and were controlled by the ancient customs, navy and navy. During the first 12 dynasty in ancient Egypt, there were records of transmitting information.
The origin and significance of the word "post" can be understood from the evolution of China's post offices and postal undertakings: in China's ancient books, the words "biography" and "sudden" are common in the records of communication affairs, while the word "post" is quoted by Mencius' Gong Sunchou: "Confucius said that virtue is more popular than posting, and it kills people."
China is one of the first countries in the world to establish an organized information transmission system. It can be traced back to Oracle Bone Inscriptions in Shang Dynasty more than 3,000 years ago. Post-horse relay is an early organized mode of communication. The "Postman" sculpture is located in Jiayuguan Railway Station Square, based on the mural tomb of Wei and Jin Dynasties in Jiayuguan. With a simple document in his hand, the postman galloped at high speed on all fours.