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Water
From the beginning, water has furnished (提供) man with a source of food and a highway to travel upon. The first civilizations arose __________ (51) water was a dominant element in the environment, a challenge __________ (52) man&39;s ingenuity(聪明，才智). The Egyptians invented the 365-day calendar in response to the Nile&39;s annual flooding. The Babylonians(巴比论人), __________ (53)<br>
were among the most famous law-makers in ancient times, invented laws __________ (54) water usage. Water inspired the Chinese to build a 1,000- __________ (55) canal, a complex system which,after nearly 2,500 years, remains still practically __________ .(56) and still commands the astonishment of engineers. But __________(57) never found complete solutions to their water problems. The Yellow River is also known as "China&39;s Sorrow"; it is so unpredictable and dangerous__________(58) in a single flood it has caused a million __________ (59). Floods slowed the great__________ (60) of the Indus River Valley, and inadequate drainage ruined __________(61) of its land. Today water dominates man __________(62) it always has done. Its presence continues to__________(63) the location of his homes and cities; its violent variability(多变)can __________(64) man or his herds or his crops; its routes links him __________ (65) his fellows; its immense value may add to already dangerous political conflicts. There are many examples of this in our own time
____________ 查看材料
A.where
B.the place
C.when
D.in the place请帮忙给出正确答案和分析，谢谢！