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Water From the beginning, water has furnished man with a source of food and a highway to travel upon. The first civilizations arose ____1_____ Water was a dominant element in the environment, a challenge ____2____ mans ingenuity. The Egyptians invented the 365-day calendar in response to the Niles annual flooding. The Babylonians, ___3___were among the most famous law-makers in ancient times, invented laws ____4____ water usage. Water inspired the Chinese to build a 1,000-___5___ canal, a complex system which, after nearly 2,500 years, remains still practically ____6____ and still commands the astonishment of engineers. But _____7____ never found complete solutions to their water problems. The Yellow River is also known as Chinas Sorrow it is so unpredictable and dangerous ____8____ in a single flood it has caused a million ____9____. Floods slowed the great ____10____ of the Indus River Valley, and inadequate drainage ruined _____11______ of its land. Today water dominates man ____12____ it always has done. Its presence continues to ____13_____ the location of his homes and cities; its violent variability can ____14___man or his herds or his crops; its routes links him_____15____ his fellows; its immense value may add to already dangerous political conflicts. There are many examples of this in our own time. 词汇： furnish v.提供 annual [?nju?l] adj.每年的 ingenuity n. 聪敏，才智 Babylonian n. 巴比伦人 | 
