From the beginning, water has furnished供給 man with a source of food and a highway to travel upon. The first _______1_______ arose where water was a dominant element in the environment, a challenge to man’s ingenuity. The Egyptians invented the 365-day calendar日歷, 歷法 ____2_____ the Nile’s annual flooding. The Babylonians, who were among the most famous law-makers in ancient times, invented laws __3____ water usage. Water inspired the Chinese to build a 1,000-___4____ canal, a complex system which, after nearly 2,500 years, remains still practically __5____ and still commands the astonishment of engineers. But the _____6___ never found complete solutions to their water problems. The Yellow River is also known_____7_____ “China’s Sorrow”; it is so unpredictable and dangerous ____8____ in a single flood it has caused a million ____9____. Floods slowed the great civilization of the Indus River Valley, and inadequate drainage ruined ___10_____ its land. Today water dominates _____11____as it always has done. Its presence continues to __12_____ the location of his homes and cities; its violent variability can __13___man or his herds or his crops; its routes links him__14____ his fellows; its immense value may ____15____ to already dangerous political conflicts. There are many examples of this in our own time.
    1. A) governments B) cultures C) civilizations D)universities
    2. A) in regard to B) in response to C) in case D)in spite of
    3. A) regulates B)regulate C)regulated D) regulating
    4. A) miles B) mile C) mile’s D) miles’
    5. A) in use B) for use C) by use D) on use
    6. A)villagers B) ancients C) farmers D) merchants
    7. A) for B) by C) to D) as
    8. A) that B) when C) because D) which
    9. A) injuries B) deaths C) damages D ruins
    10. A) a number of B) a couple of C) many of D) much of
    11. A) woman B) women C) man D) men
    12. A) govern B) control C) lead D)influence
    13. A) move B) violate C) kill D) disappear
    14. A) by B) on C) and D) to
    15. A) increase B) add C) expand D) extend