1. Macao is a system of one country, two systems. 1987 On April 13, the two prime ministers signed the Joint Statement of the Government of People's Republic of China (PRC) and the Government of the Portuguese Republic on Macao and its two annexes. According to the Joint Declaration, Macao (including Macao Peninsula, Taipa and Sixth Ring Road) is the territory of China, and People's Republic of China (PRC) will resume the exercise of sovereignty over Macao on February 20th. China promised to implement one country, two systems for Macao, and ensured that Macao people enjoyed the right of "a high degree of autonomy and Macao people ruling Macao".

Macau is surrounded by the sea on three sides. Macao used to be an island at the southern tip of Zhongshan City (formerly known as Xiangshan County) in Guangdong Province, standing in the sea, no different from the contemporary offshore islands. Later, due to the sediment alluvial of the Xijiang River, a sandbar (Liangan, now Guanzha Road) was alluvial between Macao and the mainland, which was connected with the mainland and became a peninsula. Macao's coastline is 937.5 kilometers long, forming many places for ships to park, such as Nanwan, Dongwan, Shallow Bay, Beiwan, Xiawan (above the Macao Peninsula), Taipa Bay (Taipa Bay), Jiuao Bay, Zhuwan, Heishan Bay and Lai Chi Bay (above the highway ring).

3. Macau is a typical monsoon climate zone. Macao borders the Asian continent in the north and the tropical South China Sea in the south. Influenced by the mid-high latitude atmospheric circulation from the mainland and the low latitude atmospheric circulation from the ocean, the circulation changes obviously in winter and summer, which is a typical monsoon climate area. There are direct sunlight twice a year, with strong radiation and strong evaporation. It has the climatic characteristics of sufficient heat, sufficient water vapor, high temperature and rainy weather. It belongs to subtropical maritime monsoon climate and also has the characteristics of tropical climate. The annual average temperature is about 22.3℃, and the annual temperature difference is 1 1 ~ 14℃. The average annual temperature in 2007 was 23.2 degrees Celsius. It is wet and rainy in spring and summer, with low relative humidity and little rainfall in autumn and winter.

4. The legal tender unit of Macao is the Macao pataca. There are six mops: 10, 20 yuan, 50 yuan, 100, 500 yuan, 1000. There are six kinds of coins: 1 minute, 2 cents, 5 cents, 1 yuan, 2 yuan and 5 yuan. There are two note-issuing banks: Atlantic Bank and China Bank. Macao does not have any foreign exchange control. The costs of goods sold and services provided in Macao are calculated in MOP, but Hong Kong dollars or other currencies can also be used. Up to now, the Macao currency is also called "Portuguese currency" by the locals.

The official languages of Macao are Chinese and Portuguese. The official languages of Macao are Chinese and Portuguese. In Macao, 85.7% of the residents speak Cantonese, 4% speak Min dialect, 3.2% speak Mandarin, 2.7% speak other Chinese dialects and 0.6% speak Portuguese. The rest of the population use English (65,438+0.5%) and Tagalog (Philippines, 65,438+0.3%). Macau dialect (called "Ba Du" in Portuguese) is a dialect of Macau, which is a mixture of Portuguese, Malay, Cantonese, English, ancient Portuguese and a few Dutch, Spanish and Italian. It was once the common language used by Portuguese aborigines in Macao.