Zhengzhou split the letter into Hekou, and then merged it with Zhengzhou to get the place name of Zhengzhou in Henan.

The following is an introduction about Zhengzhou:

1. History and culture: Zhengzhou has a long history, which can be traced back to the Shang Dynasty in the 8th century BC. It is one of the famous historical and cultural cities in China and was once Jizhou, one of the nine states in ancient China. Zhengzhou also has many historical relics and cultural attractions, such as the thousand-year-old Shaolin Temple, the former residence of Zeng Guofan, and the Yellow River Cultural Landscape Area.

2. Economic development: As the economic center of the Central Plains region, Zhengzhou's economy has developed rapidly. It is an important transportation hub and railway center in China and has a convenient transportation network. Zhengzhou is also the implementation area of ??the Made in China 2025 strategy. The industrial manufacturing industry is booming and is especially competitive in automobile manufacturing, new energy industry, logistics and other fields.

3. Educational institutions: Zhengzhou has many universities and research institutions, including Zhengzhou University, North China University of Water Resources and Hydropower, Henan University, etc. These higher education institutions have cultivated a large number of talents for the city and promoted the development of education and scientific research and innovation.

4. Food culture: Zhengzhou is known as the food capital of China and has a rich and diverse food culture. You can taste braised noodles, braised steamed buns, water basin mutton, Henan cuisine and other local specialties to satisfy your taste buds.

5. Cultural activities: Zhengzhou is a vibrant city with many cultural activities such as music, art, drama and sports events. Various grand events such as the Zhengzhou International Film Festival, Zhengzhou Lantern Festival, and Zhengzhou International Marathon are held every year, bringing a wealth of entertainment options to citizens and tourists.

Tips for guessing crossword puzzles

1. Decomposition and reorganization: Decompose the answer to the crossword puzzle into individual words or phrases, and try to recombine them into other words or phrases. Sometimes the answer to a crossword puzzle may be made up of multiple parts.

2. Pay attention to homophones and puns: Many word puzzles use homophones, homophones or puns to form the answers. Pay attention to whether there are words with similar vocabulary or similar sounds in the puzzle, which may be clues.