六级阅读模拟题及答案实用

山不厌高，水不厌深。 骄傲是跌跤的前奏。以下是小编为大家搜索整理的2017年最新大学英语六级考试阅读模拟训练题，希望能给大家带来帮助!更多精彩内容请及时关注我们应届毕业生考试网!

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 foodprices.

leadinu water scientists have issued one of the sternest warnings yet about global foodsupplies, saying that the world's 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 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 world'sarable(适于耕种的) land is used to grow 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 increase," 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 politicians, un bodies, non-governmental groups andresearchers from 12