All the seven continents in the world have countries, except Antarctica. At present, there are more than 211 administrative units, including 169 independent countries, and the rest are not yet independent regions. The distribution of countries on all continents is uneven. Africa has the largest number of countries, reaching 51, followed by Asia (39), followed by Europe (33), Latin America (33), Oceania (11) and North America (2). Among more than 211 countries and regions, there are 29 countries with an area of over 1 million square kilometers, and there are 16 countries with a population of over 51 million. The largest country-Russia's most populous country-China's least per capita land-India's fattest country-Tonga's narrowest country. Big country-the sweetest country in the United States-the youngest country in Cuba-the happiest country in East Timor-the smallest country in Iceland, The country with the smallest population-highest average temperature in Vatican-lowest average temperature in Ethiopia-lowest average altitude in Norway-highest average altitude in Netherlands. Asia has the longest coastline in the world; Asia is the most populous continent in the world; Mount Everest is the highest mountain in the world; The Qinghai-Tibet Plateau is known as the "roof of the world" and is the highest plateau in the world. Arabian Peninsula is the largest peninsula in the world; The Caspian Sea is the largest lake in the world; The Dead Sea is the lowest depression in the world; Malacca Strait is the longest strait in the world. The place with the most lightning is Brazil, Angola, the country with the most disabled people in the world, Finland, the country with the highest average annual afforestation per capita, Sweden, the safest country in the world economy, and sunda islands, Indonesia, where volcanoes are most concentrated in the world. China is the country that produces the most rice in the world; Japan's Qinghan subsea tunnel is the longest subsea tunnel in the world. Laos ranks first in the world in benzoin production; Myanmar's teak production ranks first in the world; Thailand's potash reserves rank first in the world; Thailand's rubber exports rank first in the world; Malaysia's tin reserves rank first in the world; Bangladesh's jute production ranks first in the world; India's mica export volume ranks first in the world; Saudi Arabia's oil reserves rank first in the world; Kazakhstan's tungsten reserves rank first in the world; Ganges delta is the largest delta in the world; Malay Archipelago is the largest archipelago in the world; Yarlung Zangbo Grand Canyon is the largest canyon in the world. Mariana Trench is the deepest part of the ocean. In addition, China is the first in the world. The earliest military book is Sun Tzu's The Art of War in the Spring and Autumn Period. 2. The dictionary with the largest number of words is Kangxi Dictionary in the Qing Dynasty. 3. The earliest newspaper is Di Bao in the Western Han Dynasty. 4. The earliest biographical literature is Historical Records in the Western Han Dynasty. 5. The earliest collection of excellent poems is The Book of Songs in the Spring and Autumn Period. 6. The longest-recorded historical masterpiece is Confucius. The largest palace is the Forbidden City in Beijing. 8. The tallest palace is the Potala Palace. 9. The longest grotto gallery is Dunhuang Mogao Grottoes. 11. The largest inland basin is the Tarim Basin. 11. The earliest three-dimensional map was "Make the Khitan Map" drawn by Shen Kuo in the Song Dynasty. 12. The largest square is Tiananmen Square in Beijing, with the largest flower world in China: 1, the largest variety of flowers 2, and the largest peony production 3. The earliest rose production 4. The earliest chrysanthemum planting 1. The United States has the largest number of unified standard examinations in the world 2. The proportion of prisoners in the United States is the highest in the world 1: 136 3. The per capita drug consumption in the United States is the highest in the world 4. The investment in human resources in the United States is the highest in the world. The annual education expenditure reaches 5% of the total GDP. 5. The NBA League is a game founded by the National Basketball Association (NBA) of the United States, and its intensity and level are recognized by the world as the highest in the world. 6. The remuneration of the company's president in the world, The United States is still the largest in the world. 7. The world's largest administrative building-the Pentagon. 8. The world's largest embassy-the American Embassy in Iraq. 9. The number of cars per capita in the United States is the highest in the world. The world's largest railway station-the New York Metropolitan Terminal 11. The medical expenses of Americans are the highest in the world in both absolute value and proportion. The largest island group in the world consists of more than 13,111 islands in Indonesia and about 7,111 islands in the Philippines. 2. The world's largest inland lake, the Caspian Sea is the world's largest inland lake. 3. The world's longest mountain range is about 9,111 kilometers long according to the Andes of seven countries. In junior high school geography textbooks, the world's highest and China's highest, and the equator is the longest latitude on the earth. 2. The largest land on the earth is Eurasia. 3. The continent with the lowest altitude in the world is Europe, about 311 meters. 4. Antarctica is covered with thick ice and snow, with an average altitude of more than 2111 meters, making it the highest continent in the world. 5. The area of artificial forests in China ranks first in the world. 6. The country with the most land reclamation in the world: Japan 7. Southeast Asia is the region where Chinese and overseas Chinese are most concentrated. 8. India is the country with the largest area in South Asia and the largest area of cultivated land in Asia. 9. Indonesia has the most volcanic earthquakes in the world. 11, the Dead Sea Lake is-411 meters above sea level, which is the lowest point of the world land surface. The Sahara desert is the largest desert in the world. West Asia and North Africa are the regions with the largest oil reserves and the largest oil production and export in the world. With a total length of more than 6,611 kilometers, the Nile is the longest river in the world. Cairo, the capital of Egypt, is the most populous city in Arab countries, and Alexandria is an important seaport of Egypt on the Mediterranean Sea. Sub-Saharan Africa is the hometown of black people in the world. Kilimanjaro is the highest mountain in Africa and the largest lake in Africa, Lake Victoria. The output of gold and diamond in Africa ranks first in the world, South Africa is the country that produces the most gold, Guinea is the country that produces the most bauxite and Zambia is an important country that produces copper. Africa's natural population growth rate ranks first among all continents in the world. The river that flows through the country the most in Europe is the Danube. Germany is the country with the strongest economic strength in Europe. Russia is the largest country in the world. 21. Lake Baikal in Russia is located in Siberia, with a depth of more than 1,611 meters, which is the deepest lake in the world. 21. Lake Superior in North America is the largest freshwater lake in the world, and the Great Lakes is the largest freshwater lake group in the world. The country that produces the most agricultural products in the world is the United States. 23. new york is the largest industrial and commercial center and port along the Atlantic Ocean. San Francisco and Los Angeles are the cities with the largest number of Chinese in America. 24. The Andes in South America is 9111 kilometers from north to south, which is the longest mountain range in the world. 25. The Amazon Plain in South America is the largest plain in the world, the Brazilian Plateau is the largest plateau in the world, and South America has the largest tropical rainforest climate zone in the world. 26. Argentina exports the most beef in the world. Brazil is the largest and most populous country in Latin America. 27. The Amazon River is the largest river with the largest water volume and the widest drainage area in the world, with a length of 6,411 kilometers, ranking second in the world, second only to the Nile, and its flow capacity is more than 51 times that of the Nile. 28. The Amazon River basin is covered with the largest tropical rain forest on earth. 29. At present, among Brazil's agricultural products, coffee, sugar cane, banana and sisal rank first in the world. 31. Oceania is the smallest continent in the world Mount Qomolangma Mount Everest and Asia is the largest continent in the world. Asia has the longest coastline in the world; Asia is the most populous continent in the world; Mount Everest is the highest mountain in the world; The Qinghai-Tibet Plateau is known as the "roof of the world" and is the highest plateau in the world. Arabian Peninsula is the largest peninsula in the world; The Caspian Sea is the largest lake in the world; The Dead Sea is the lowest depression in the world; Malacca Strait is the longest strait in the world. Indonesian sunda islands is the place where volcanoes are most concentrated in the world; China is the country that produces the most rice in the world; Japan's Qinghan subsea tunnel is the longest subsea tunnel in the world. Laos ranks first in the world in benzoin production; Myanmar's teak production ranks first in the world; Thailand's potash reserves rank first in the world; Thailand's rubber exports rank first in the world; Malaysia's tin reserves rank first in the world; Bangladesh's jute production ranks first in the world; India's mica export volume ranks first in the world; Saudi Arabia's oil reserves rank first in the world; Kazakhstan's tungsten reserves rank first in the world; Ganges delta is the largest delta in the world; Malay Archipelago is the largest archipelago in the world; Yarlung Zangbo Grand Canyon is the largest canyon in the world. Mariana Trench is the deepest part of the ocean. The world's largest plateau-the world's narrowest mountain in Brazil-the world's largest river in the Andes-the world's longest river in the Amazon-the world's largest freshwater lake in the Nile-the world's highest peak in Lake Superior-the world's smallest country in Mount Everest-the world's densest country in the Vatican-the world's largest gold producer in Monaco-the world's lowest in South Africa. Wen-Antarctic East Station -89C. The world's highest railway-Qinghai-Tibet Railway The nine smallest countries in the world, the smallest Monaco (with an area of 5 square miles and a population of 23,111), have the most fashionable casinos in the world in Monte Carlo. Nauru (8 square miles, population 6,111) is a Pacific island country, exporting phosphate, and paying every citizen a royalty of $4,111 a year, which is probably the country with the highest personal income in the world. San Marino (23 square miles, population 18,111), a mountainous country in Italy, has no unemployment and everyone enjoys social insurance from birth to death. Liechtenstein (62 square miles, population 21,111) is located in western Europe, which has become the base of many enterprises because of its low tax. The Republic of Maldives (112 square miles, population 116,111) is located in the Indian Ocean and consists of 1,187 small islands, 877 of which are uninhabited. Malta (122 square miles, population 318,111) is a little big place on the Mediterranean, and it has its own unique language, which is not used anywhere else in the world. Barbados (166 square miles, population 253,111), a densely populated Caribbean island country, has one of the lowest illiteracy rates in the world, accounting for about 1%. Andorra (179 square miles, population 14,111) is located in a mountainous hiding place between France and Spain. The unofficial business is smuggling back and forth, and the open business is tourism. Tourists come here to ski or catch big trout. Finally, there is wealthy Singapore (225 square miles, population 1,988,111), where restaurants serve the most attractive food in the world. Respondent: cylbb_369-Magician Level 4-31 14:21 Among the seven continents in the world, except Antarctica, there are countries. At present, there are more than 211 administrative units, including 169 independent countries, and the rest are areas that have not yet been independent. The distribution of countries on all continents is unbalanced. Africa has the largest number of countries, reaching 51, followed by Asia (39), followed by Europe (33), Latin America (33), Oceania (11) and North America (2). Among more than 211 countries and regions, there are 29 countries with an area of over 1 million square kilometers, and there are 16 countries with a population of over 51 million. Russian territory spans Europe and Asia and is the largest country in the world. It borders the Arctic Ocean in the north, the Baltic Sea in the west, the Black Sea, the Azov Sea and the Caspian Sea in the southwest, the Pacific Ocean in the east, Alaska and Japan in the United States across the sea, Norway, Finland, Estonia, Latvia, Belarus and Ukraine in the west, Georgia, Azerbaijan, Kazakhstan, China, Mongolia and North Korea in the south. The smallest country in the world is the Vatican (Europe), with only 1.44 square kilometers. The Pitcairn Islands is the smallest country in the world, with only 33 men and 17 women. Located in the southeast of the Pacific Ocean, it is the last independent colony of Britain in the South China Sea. The longest canal: Beijing-Hangzhou Canal in China, and the highest peak with a length of 1,794 kilometers: Mount Everest, with an altitude of 8,848.13 meters. The highest plateau: Qinghai-Tibet Plateau in China, known as the "roof of the world". Lowest basin: Turpan basin in Xinjiang, China, with the lowest point at 154m below sea level. The earliest military book is Sun Tzu's The Art of War in the Spring and Autumn Period, the dictionary with the largest number of words is Kangxi Dictionary in the Qing Dynasty, the earliest newspaper is Dibao in the Western Han Dynasty, the earliest biographical literature is Shiji in the Western Han Dynasty, the earliest collection of outstanding poems is The Book of Songs in the Spring and Autumn Period, and the longest historical masterpiece is Chunqiu by Confucius. The largest imperial palace in the world is the Forbidden City in Beijing. The highest palace is the Potala Palace, the longest grotto gallery, the largest inland basin in Dunhuang Mogao Grottoes, the earliest three-dimensional map of Tarim Basin, the largest square in the "Make the Khitan Map" drawn by Shen Kuo in Song Dynasty, and the oldest computing tool in Tiananmen Square in Beijing. According to the Records of the History of Han Dynasty, it is a round bamboo stick with a length of 23.86 cm and a cross-sectional diameter of 1.23 cm. By the Sui Dynasty in the 6th and 7th centuries, the length of calculation was shortened and the round stick was changed into a square.