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全部四级六级高考 What about supply? The three environmental trends—the shortage of fresh water, the loss of topsoil and the rising temperatures—are making it increasingly hard to expand the world's grain supply fast enough to keep up with demand. 出自-2016年6月阅读原文 Unable to buy grain or grow their own, hungry people take to the streets. 出自-2016年6月阅读原文 To lower domestic food prices, some countries limited or stopped their grain exports. 出自-2016年6月阅读原文 The surge in world grain prices in 2007 and 2008—and the threat they pose to food security—has a different, more troubling quality than the increases of the past. 出自-2016年6月阅读原文 The result is falling water tables ( ' , 地下水位) in countries with half the world's people, including the three big grain producers—China, India and the U.S. 出自-2016年6月阅读原文 The more recent steep climb in grain prices partly results from the fact that more and more people want to consume meat products. 出自-2016年6月阅读原文 On the demand side, those trends include the ongoing addition of more than 70 million people a year, a growing number of people wanting to move up the food chain to consume -72- highly grain-intensive meat products, and the massive diversion ( ' , 转向) of U.S. grain to the production of bio-fuel. 出自-2016年6月阅读原文 Indeed, even before the steep climb in grain prices in 2008, the number of failing states was expanding. 出自-2016年6月阅读原文 Increasing water shortages prove to be the biggest obstacle to boosting the world's grain production. 出自-2016年6月阅读原文 In response to those restrictions, grain-importing countries are trying to nail down long-term trade agreements that would lock up future grain supplies. 出自-2016年6月阅读原文 In contrast, the recent surge in world grain prices is trend-driven, making it unlikely to reverse without a reversal in the trends themselves. 出自-2016年6月阅读原文 During the second half of the 20th century, grain prices rose dramatically several times. 出自-2016年6月阅读原文 As incomes rise among low-income consumers, the potential for further grain consumption is huge. 出自-2016年6月阅读原文 A quarter of this year's American grain harvest will be used to produce bio-fuel for cars. 出自-2016年6月阅读原文 A fourth of this year's U.S. grain harvest will go to fuel cars. 出自-2016年6月阅读原文 a decrease of grain production 出自-2011年6月阅读原文 Nadeau notices the pre-made macaron-and-cheese boxes in Scott's shopping cart and suggests she switch to whole grain macaroni and real cheese. 2018年12月四级真题(第一套)阅读 Section B On the demand side, those trends include the ongoing addition of more than 70 million people a year, a growing number of people wanting to move up the food chain to consume highly grain-intensive meat products, and the massive diversion of U.S. grain to t 2016年6月四级真题(第一套)阅读 Section B The three environmental trends—the shortage of fresh water, the loss of topsoil and the rising temperatures—are making it increasingly hard to expand the world's grain supply fast enough to keep up with demand. 2016年6月四级真题(第一套)阅读 Section B Most Americans don’t eat enough fruits, vegetables or whole grains. 出自-2017年6月听力原文 In most cases, the human waste is used on grain crops, which are eventually cooked, minimizing the risk of transmitting water-borne diseases. 出自-2016年6月阅读原文 Another factor is the squeeze that conventional dairy farmers have felt as the price of grain they feed their cows has gone up, tightening their profit margins. 2019年12月六级真题(第三套)阅读 Section B By replacing expensive grain feed with regenerative management practices, grass-fed farmers are insulated from jumps in the price of feed. 2019年12月六级真题(第三套)阅读 Section B The rest is feed-lot confined and fed grain and corn. 2019年12月六级真题(第三套)阅读 Section B People believed there was an ever-lasting supply and killed them by the thousands, commercial hunters attracted them to small clearings with grain. 2014年高考英语全国卷1 阅读理解 阅读B 原文 |
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