Nearly twenty million women in the U.S.have the problem of obesity.The United Nations report notes that America is one of the countries that have the most obese people in the world and Mississippi has more overweight women than any other state in the U.S..The U.S.Center for Disease Control says the number of overweight women increased by 60% between 2004 and 2009 in America.The World Health Organization says more than one billion women in other nations are in the same shape.
While there is plenty of advice on how to lose kilograms, a new study is carried out on middie-aged and older women who keep normal body weight, or BMI (Body Mass Index).“We found that physical activity was effective in controlling weight only among women who started to gain weight from a normal BMI ,”I-Min Lee and her colleagues found more exercise did not help.
“Once a woman is obese, there was no relation between physical activity and weight change among these women,”Lee said.The researchers say the only way that obese women can lose weight is to simply cut calories.
9.What makes it difficult for most women to have an hour of exercise every day?
A.Losing confidence in exercising.
B.Paying all attention to their jobs.
C.Having no interest in exercising.
D.Being too busy to find spare time.
解析:选D。由第二段内容可知,工作和家庭占据了妇女们的大多数时间,因此她们很难找到业余时间锻炼。
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