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专题21 社会生活、说理议论类阅读理解 (2010安徽阅读理解E)The need to feed a growing population is putting much pressure on the words supply of water.With 97% of the words water too salty to be drunk or used in agriculture,the wordwide supply of water needs carefull management,especially in agriculture .Although the idea of a water shortage(短缺) seems strange to someone fortunate enough to live in a high rainfall country,many of the words agriculture industries experience constant water shortages.Although dams can be built to store water for agriculture use in dry areas and dry seasons,the costs of water redistribution(重新分配) are very high.Not only is there the cost of the engineering itself,but there is also an envitonmental cost to be considered.Where valleys(山谷) are flooded to create dams,houses are lost and wildlife homes destroyed.Besides,water may flow easily through pipes to fields,but it cannot be transported from one side of the world to the other.Each country must therefore rely on the management of its own water to suply its farming requirements.This is particularly troubling for countries with agricultural industries in areas dependent on irrigation(灌溉).In Texas,farmers overuse of irrigation water has resulted in a 25% reduction of the water stores.In the Central Vally area of southwestern USA,a huge water engineering project provided water for farming in dry valleys,but much of the water use has been poorly managed.73. Saudi Arabias attempts to grow wheat in desert areas have seen the pumping of huge quantities of irrigation water from underground reserves.Because there is no rainfall in these areas, such reseWhich of the folloeing is true?A. The water stores in Texas have been reduced by 75.B.Most industries in the world suffer from water shortages.C.The underground watet in Saudi Arabia might run out in 50 years.D.Good management of water use resulted from the project in the Central Valley.74. What is most likely to be discussed in the paragraph that follows?A. Steps to improving water use management.B.Ways to reduce the cost of building dams.C.Measures to deal with worldwide water shortages.D.Approaches to handling the pressure on water supply.WWW. The text is mainly about_.A. water supply and increasing population B.warer use management and agricultureC.water redistribution and wildlife protectionD.water shotages and environmental protectionrves can only decrease,and it is believed that fifty years of pumping will see them run dry.72. From the first two paragraphs we learn that .A. much of the words water is available for use B. people in high rainfall countries feel lucky C. the costs of water redistribution should be consideredD. water can be easily carried through pipes across rhe world(2010四川阅读理解B)Boiler rooms are often dirty and steamy, but this one is clean and cool. Fox Point is a very new47-unit living building in South Bronx, one of the citys poorest areas. Two-thirds of the people living there are formerly (以前) homeless people, whose rent is paid by the government. The rest are low-income families. The boiler room has special equipment, which produces energy for electricity and heat. It reuses heat that would otherwise be lost to the air, reducing carbon emissions(碳排放)while also cutting costs. Fox Point is operated by Palladia, a group that specializes in providing housing and services to needy, people. Palladia received support from Enterprise Community Partners (ECP), which helps build affordable housing by providing support to housing developers. ECP has created national standards for healthy, environmentally (环境方面) clever and affordable homes which are called, the Green Communities Standards. These standards include water keeping, energy saving and the use of environmentally friendly building materials. Meeting the standards increases housing construction costs by 2%, which is rapidly paid back by lower running costs. Even the positioning of a window to get most daylight can help save energy.Michael. Bloomberg, New Yorks mayor, plans to create 165,000 affordable housing units for500,000 New Yorkers. Almost 80% of New York Citys greenhouse-gas emissions come from buildings, and 40% of those are caused, by housing. So he recently announced that the citys Department of Housing and Preservation and Development (DHPD) , whose duty is to develop and keep the citys supply of affordable housing, will require all its new projects to follow ECPs green standards.Similar measures have been taken by other cities such as Cleveland and Denver, but New Yorks DHPD is the largest city developer of affordable housing in the country.45. What is the purpose of describing the boiler room in the first paragraph?A. To explain the measures the city takes to care for poor people. B. To suggest that affordable housing is possible in all areas.C. To show how the environment-friendly building works.D. To compare
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