A.An elephant rescue
B.The elephant, an unusual animal
C.An elephant rescue organization
D.Conflicts between humans and elephants
答案 A [标题归纳题。通读全文可知本文主要介绍了一头幼象掉到人们取水挖的井里后得到救援的过程。故A项作标题最能概括文章内容。]
D
remained largely unchanged during the past 12 years, a finding that suggests national efforts at promoting healthy eating and exercise are having little effect on the overweight.
Over all, 35.7 percent of the adult population and 16.9 percent of children qualify as obese, according to data gathered by the Federal Centers for Disease Control and Prevention and published online Tuesday.While it's good news that the ranks of the obese in America are not growing, the data also point to the intractable nature of weight gain and signal that the country will be dealing with the health consequences of obesity for years to come.
“We're by no means through the epidemic (流 said Dr David Ludwig, director of the childhood obesity program at Children's Hospital in Boston.“Children will be entering adulthood heavier than they've ever been at any time in human history.Even without further increases in prevalence (普及),
The data come from thousands of people in the surveys compiled by the National Center for Health Statistics at the Centers for Disease Control and Prevention since the 1960s, which represent some of the most reliable statistics.The most recent findings are based on data collected from 2009~2010 that have been compared with previous surveys collected in twoyear cycles beginning in 1999~2000.
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