20xx下半年英语CET6阅读模拟考试题及答案.docx
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1、20xx下半年英语CET6阅读模拟考试题及答案20xx下半年英语CET6阅读模拟考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!A bull grazes on dry wheat husks(Phi) in Logan, Kansas, one of the regions hit by therecord drought that has affected more than half of the U. S. and is expected to drive up foodp
2、rices.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.Adopting a vegetarian diet is one option to increase
3、 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 grow crops to feed animals. Other options to feed peop
4、leinclude 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 increase, they said. With 70% of allavailable water being
5、 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 inStockholmwedewhere 2,500 politicians,UN bodies,non-governmental groups andresearch
6、ers from 120 countries meet to address global water supply problems.Competition for water between food production and other uses will intensify pressure onessential resourcesthe scientists said.The UN predicts that we must increase foodproduction by 70% by mid-century.This will place additional pres
7、sure 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 currently without it, said the report.Overeating,undernourishme
8、nt 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 editOGAndersJagerskog.A separate report from the International Water Management Institute (IWMI) said the bestway f
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