Water From the beginning, water has furnished man with a source of food and a highway to travel upon. The first civilizations ar

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问题 Water
From the beginning, water has furnished 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’s ingenuity. The Egyptians invented the 365-day calendar in response to the Nile’s annual flooding. The Babylonians,(53)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’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 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.

选项 A、for
B、as
C、because
D、whereas

答案B

解析 正确的答案是填入as,此处的as引导的是表示方式的状语从句,整个句子的意思是说“今天,水就像它一直控制人类一样仍然在控制着人类”。由于原文前后两个句子之间没有一种因果关系,所以填入for或because都是不对的。而whereas一词通常表示对比关系,如:The boys are singing whereas the girls are dancing. 所以填入这个词在语义上是不合适的。
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