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托福阅读词汇题：exhausted

2015-08-26 15:43:21来源：网络

　　【托福阅读题型：exhausted词汇题】托福阅读中词汇题是重要题型之一。根据托福阅读题型不同来进行专项练习，是短期提高托福阅读能力的有效方法。同学们需要多加练习哦!

　　查看全部：托福阅读题型分类练习之词汇题

　　托福阅读词汇题：exhausted

　　【Paragraph 4】How did those dense southern Maya populations deal with the resulting water problem? It initially　surprises us that many of their cities were not built next to the rivers but instead on high terrain in rolling uplands. The　　explanation is that the Maya excavated depressions, or modified natural depressions, and then plugged up leaks in　the karst by plastering the bottoms of the depressions in order to create reservoirs, which collected rain from large　plastered catchment basins and stored it for use in the dry season. For example, reservoirs at the Maya city of Tikal　held enough water to meet the drinking water needs of about 10,000 people for a period of 18 months. At the city of　Coba the Maya built dikes around a lake in order to raise its level and make their water supply more reliable. But the　inhabitants of Tikal and other cities dependent on reservoirs for drinking water would still have been in deep trouble if 18months passed without rain in a prolonged drought. A shorter drought in which they exhausted their stored food supplies　might already have gotten them in deep trouble, because growing crops required rain rather than reservoirs.(Maya　Water Problems)

　　The word "prolonged" in the passage is closest in meaning to

　　○unusual

　　○unexpected

　　○extended

　　○disastrous

　　The word "exhausted" in the passage is closest in meaning to

　　○used up

　　○reduced

　　○wasted

　　○relied upon

　　答案见下一页：

本文关键字: 托福阅读题型 托福阅读训练 词汇题

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