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1、20xx年12月英语六级阅读精粹试题及答案20xx年12月英语六级阅读精粹试题及答案在英语越来越普及的21世纪，学好英语成了学生的 首要目标。为帮助学生驾驭好英语学问，下面是为大 家搜寻整理的英语六级辅导练习，希望能给大家带来 帮助!Questions 61 to 65 are based on the following passage.A bull grazes on dry wheat husks(Phi) in Logan, Kansas, one of the regions hit by therecord drought that has affected more than h
2、alf of the U. S. and is expected to drive up foodprices.Leadinu water scientists have issued one of the sternest warnings yet about global foodsupplies, saying that the worlds population may have to switch almost completely to avegetarian diet over the next 40 years to avoid catastrophic shortages.A
3、dopting a vegetarian diet is one option to increase the amount of water available to growmore food in an increasingly climate-unstable world, the scientists said. Animal protein-richfood consumes 5 to 10 times more water than a vegetarian diet. One third of the worldsarable（适于耕种的）land is used to gro
4、w crops to feed animals. Other options to feed peopleinclude eliminating waste and increasing trade between countries in food surplus and those indeficit.900 million people already go hungry and 2 billion people are malnourished in spite of thefact that per capita food production continues to increa
5、se, they said. With 70% of allavailable water being in agriculture, growing more food to feed an additional 2 billion peopleby 2050 will place greater pressure on available water and land.The report is being released at the start of the annual world water conference inStockholm, Sweden, where 2,500
6、politicians, UN bodies, non-governmental groups andresearchers from 120 countries meet toaddress global water supply problems.Competition for water between food production and other uses will intensify pressure onessential resources, the scientists said. The UN predicts that we must increase foodpro
7、duction by 70% by mid-century. This will place additional pressure on our alreadystressed water resources, at a time when we also need to allocate more water to satisfy globalenergy demand- which is expected to rise 60% over the coming 30 years-and to generateelectricity for the 1.3 billion people c
8、urrently without it, said the report.Overeating, undernourishment and waste are all on the rise and increased food productionmay face future constraints from water scarcity.We will need a new recipe to feed the world in the future, said the reports editor, AndersJagerskog.A separate report from the
9、International Water Management Institute (IWMI) said the bestway for countries to protect millions of farmers from food insecurity in sub-Saharan Africa andsouth Asia was to help them invest in small pumps and simple technology, rather than todevelop expensive, large-scale irrigation projects.Farmem
10、 across the developing world are increasingly relying on and benefiting from small-scalejocally-relevant water solutions. These techniques could increase yields up to 300% andadd tens of billions of U. S. dollars to household revenues across sub-Saharan Africa and southAsia. said Dr. Colin Chartres,
11、 the director general.61. What can be inferred from the water scientists warning?A. The record drought forces half of the U. S. to go hungry.B. The record drought drives up food prices m the U.S.C. Severe food shortage may happen without proper measures.D. A vegetarian diet is the only option to avo
12、id disastrous shortages.62. What do the scientists say can be done to increase food supply?A. Grow more animal protein-rich food.B. Turn pastures into arable lands.C. Promote trade between countries self-sufficient in food.D. Increase the amount of water for food production.63. According to the wate
13、r scientists report,A. per capita food production has been increasingB. reduced food supply will make more people malnourishedC. 70% of water will be used to feed 2 billion people by 2050D. researchers begin to seek solutions to tackle water problem64. In regard to the problem of water supply, scien
14、tists believeA. more water should be allocated to satisfy energy demandB. food production must be increased to 70% by mid-centuryC. energy demand will intensify pressure on water resourcesD. electricity generation must be increased by 60%30 years later65. What does the IWMI say is the best solution
15、to food insecurity in sub-Saharan Africaand south Asia?A. Applying small pumps and simple technology.B. Launching large-scale irrigation projects.C. Increase the local household revenues.D. Investing in a new expensive irrigation project.参考答案61 .C)O本题考查对水资源科学家警示的理解。定 位段指出，一些水科学带头人发布了一个关于全球粮 食供应的最高级警
16、报，指出为了避开灾难性的粮食紧 缺，在将来的四十年，世界人口的饮食可能不得不几 乎全转换为素食，故答案为Q。62 .D)o本题考查科学家对于增加食物供应量的建议。定位句指出，科学家指出，素食的饮食习惯是在 慢慢不稳定的气候条件下增加用来生产更多的食物 的可用水资源总量的一种选择，故答案为D)。63 .A)O本题考查对水资源科学家探讨报告的理解。文中第四段第一句指出，科学家们说：尽管人均粮 食产量在持续增加，但仍有9亿人正在挨饿，20亿人 养分不良，故答案为A)。64 .c)o本题考查科学家对于水资源供应的看法。文中第六段第一句指出，报告中提到，联合国预料, 到本世纪中叶，我们必需增加70%的粮食产量。这会 给本就惊惶的水资源造成更大的压力。第三句指出, 与此同时,我们须要支配更多的水资源来满足世界能 源的需求，故答案为。65 .A)O本题考查解决撒哈拉以南非洲地区及南亚缺水问题的最佳途径。定位段指出，在撒哈拉以南非 洲地区和南亚地区，防止农夫遭受粮食危机的最好方 法是帮助他们投资建立小型水泵和运用简洁的技术, 这远远好于开发昂贵的、大规模的浇灌工程，故答案 为A)。