2. According to China. com, on July 4th, 2006, Beijing time was11:56: 24.1sec.

3. In Wen 'an, Hebei (latitude 38.9, longitude 1 16.3)? An earthquake of magnitude 5. 1 occurred. ?

4. With the approval of the Notice of the National Development and Reform Commission on Adjusting the Electricity Price of Residents in Beijing, the electricity price of residents in this city increased by 0.04 yuan per kWh from110 in October 2004, and was adjusted from 0.44 yuan per kWh to 0.48 yuan.

5. The pi of Zu Chongzhi is between 3.1415926 ~ 3.1415927.

6.？ A person needs 2.5 liters of water every day to maintain life.

7. An eraser only needs 1.6 yuan.

8. The purchase price of each book is 15.78 yuan, and the price is 20.54 yuan.

9.？ The pi in mathematics is 3. 14 1592657538. ?

10. It is said that the temperature is 36.5 degrees, which is normal.

1 1.？ It costs 3 yuan to buy a bottle of coke.

12. Yao Ming is 2.26m tall and weighs137kg. ?

13. I have a little amblyopia. My eyesight is 5. 1 4. 1.

14. China has a population of13.96 million and a land area of 960.87 square kilometers.

15. 10. 1 Today is the National Day, and the newspaper headlines are red.