[单项选择]Is it any wonder that America is also a country of dangerously overweight people
According to a recent study by the National Center for Health Statistics, the number of adults characterized as overweight in the United States has jumped to an astonishing one-third of the population. Overweight in this case means being about 20 percent or more above a person’s desirable weight. Since the figures for "desirable weight" have moved upward over the last decade or so, total poundage-even at 20 percent over-may be considerable.
So are the attendant health risks. Excess weight has been linked to cardiovascular disease, hypertension, adult-onset diabetes and some forms of cancer, among other diseases.
Once, when work and school and the grocery store were a two-mile hike away, Americans could afford the calories they consume. But not now, not when millions spend four or five hours a day in front of a TV set-along with a bag of chips, a bowl of buttered popcorn and a
A. America suffers health risks as well as the overweight problem
B. health risks resulted from overweight are serious too
C. overweight is classified as one of the health problems
D. people have also pay much attention to the possible health risks

Is it any wonder that America is also a country of dangerously overweight people.
According to a recent study by the National Center for Health Statistics, the number of adults characterized as overweight in the United States has jumped to an astonishing one-third of the population. Overweight in this case means being about 20 percent or more above a person’s desirable weight. Since the figures for "desirable weight" have moved upward over the last decade or so, total poundage—even at 20 percent over—may be considerable.
So are the attendant health risks. Excess weight has been linked to cardiovascular disease, hypertension, adult-onset diabetes and some forms of cancer, among other diseases.
Once, when work and school and the grocery store were a two-mile hike away, Americans could afford the calories they consume. But not now, not when millions spend four or five hours a day in front of a TV set—along with a bag of chips
A. the number of overweight people has astonishingly increased
B. people have a different idea about their desirable weight now
C. overweight becomes a threat to people’s health
D. the overweight problem has long been studied

More than any other country, America defines itself by a collective dream: the dream of economic opportunity and upward mobility. Its proudest boast is that it offers a chance of the good life to everybody who is willing to work hard and play by the rules. This ideal has made the United States the world’s strongest magnet for immigrants; it has also reconciled ordinary Americans to the rough side of a dynamic economy, with all its inequalities and insecurities. Who cares if the boss earns 300 times more than the average working staff, if the staff knows be can become the boss
Look around the world and the supremacy of "the American model" might seem assured. No other rich country has so successfully harnessed the modern juggernauts of technology and globalization The hallmarks of American capitalism—a willingness to take risks, a light regulatory touch and sharp competition—have spawned enormous wealth. "This economy is powerful, productiv
A. they resign themselves to their fate.
B. they have a strong sense of security.
C. they are tolerant as well as generous.
D. they have a fair chance to rise in rank.