题型:阅读选择 题类:模拟题 难易度:普通
Flags have existed for over 3,000 years. The earliest flags were wooden or metal poles with a carving. About 2,000 years ago pieces of fabric were added to some poles for decoration. Over the next 500 years the free-flying part of the flag became more important.
Location: Sudan, Egypt The Nile River is the longest river in the world. It's known for being the lifeblood of Ancient Egypt and is still very important to Egypt today. This river is famous because it was a useful body of water in Ancient Egypt. Also, the Nile River is important for farming, transportation and drinking water. |
Location: India Although it is not the largest river in Asia, the Ganges River is still well-known. This river has religious (宗教的) and cultural significance to Hindu people. Also, the river provides millions of people with water for farming. There are nearly 150 species of fish living there today. Other animals also live in and around it, like snakes and other reptiles. |
Location: Australia You may not have ever heard of the Finke River in Australia. It's not very long and it doesn't even flow all the time. However, geologists (地质学家) have considered it as the oldest river in the world. That's the reason why this river is well-known! |
Location: Peru, Colombia, Brazil The Amazon River is the second-longest river in the world. But it has the largest discharge (流量) in the world, up to 209,000 m3 /second! The Congo River, with the second largest discharge, has only one fifth discharge of it! The Amazon River is also well-known for having no bridges crossing it. |
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