冰淇淋有4000多年的历史。最早的冰淇淋是中国人制造的，由大米和牛奶混合而成。(他们)将其裹在雪里冷冻后放进地窖里冷藏。后来，马可波罗到中国后发现了冰淇淋，并将其制作方法带回了欧洲。今天，冰淇淋遍布全世界。但(今天)冰淇淋消费最多的国家是美国。美国人均年消

Swimming is one of the best forms of exercise. It can improve heart action. It also helps blood circulate. Swimming will develop strong muscles. It will even strengthen the lungs. People who are disabled and cannot enjoy other sports can keep their bodies in better condition by swimming. It is a good idea for parents to make sure that their children learn to swim at an early age. This will be an activity that the children can enjoy for the rest of their lives.

Ice cream has been around for more than 4,000 years. The first ice cream was produced by the Chinese, and it consisted of a mixture made from rice and milk. The paste was put into snow to freeze and kept cold in underground chambers. Later Marco Polo discovered ice cream on his voyage to China and brought the recipe back to Europe. Today ice cream is found all over the world. But the country where the most ice cream is eaten is the United States. The average American eats 21 liters of ice cream a year.