Question 45: Early peoples didn’t need water supply engineering works because ______.A. their community life had already developedB. natural sources of fresh water nearby were always availableC. there was almost no dry season in prehistoric timesD. they had good ways to irrigate their farmsQuestion 46: The word “impound” in paragraph 1 is closest in meaning to “______”.A. supply B. irrigate C. provide D. drainQuestion 47: Clean water supply was first taken into consideration by ______.A. the English people B. the ancient Romans C. the Egyptians D. the US peopleQuestion 48: For several centuries after the disintegration of the Roman Empire, the main source ofwater supply was from ______.A. springs and wells B. systems of aqueductsC. dams and canals D. water pipesQuestion 49: The word “mains” in paragraph 1 could best be replaced by “______”. A. lands B. areas C. pipes D. riversQuestion 50: Which of the following is NOT true about London’s water supply in the middle of the16th century?A. Water was pumped from the River Thames. B. Water was stored in a reservoir.C. Water ran from the reservoir to buildings. D. Water was conducted through canals.Question 51: The word “vicinity” in paragraph 2 refers to ______.A. the cities in South-east England B. the areas along the River ThamesC. the neighborhood around a reservoir D. the region where industry developedQuestion 52: One of the causes of water shortages in South-east England is ______.A. water pollution B. increased demandC. water-supply system decline D. water evaporationQuestion 53: Which of the following is NOT mentioned as a process of conversing seawater tofreshwater?A. Steaming and cooling. B. Water evaporation.C. Dissolving chemicals. D. Purification method.Question 54: In the passage, the author mainly discusses ______.A. the development of water supply B. the results of water shortagesC. the water pumping systems D. the fresh water storage
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