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From the very beginning, water has furnished man with a source of food and a highway to travel. The first civilizations arose 【2
From the very beginning, water has furnished man with a source of food and a highway to travel. The first civilizations arose 【2
admin
2010-06-30
27
问题
From the very beginning, water has furnished man with a source of food and a highway to travel. The first civilizations arose 【21】______ water was a dominant element in the environments, a challenge 【22】______ man’s ingenuity. The Egyptians invented the 3655-day calendar (23 the Nile’s annual flooding. The Babylonians, 【24】______ were among the most famous law-makers in ancient times, invented laws 【25】______ water usage. Water inspired the Chinese to build a 1000 【26】______ canal, a complex system 【27】______ , after 2500 years, remains practically 【28】______ and still commands the astonishment of engineers. But 【29】______ never found complete solutions 【30】______ their water problem. The Yellow River is also known 【31】______ "China’s Sorrow". It is so unpredictable and dangerous 【32】______ in a single flood it has caused a million 【33】______ . Floods slowed the great 【34】______ of the Indus River Valleys, and innumerable damage mined 【35】______ of its land. Today, water dominates man 【36】______ it always has done. Its presence continues to 【37】______ the location of his homes and cities; its violent variability can 【38】______ man or his herds or his crops; its routes links him 【39】______ his fellows; its immense value may 【40】______ to already dangerous political conflicts. There are many examples of this in our own time.
【27】
选项
A、who
B、in which
C、which
D、by which
答案
C
解析
此句是由which引导定语从句,修饰canal的同位语a complex system。
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