.
More Australians are overweight or obese than ever before, and the number is steadily increasing. Around 64 percent of men and 47 percent of women are carrying too much body fat. This means that the chances of obesity-related disorders, such as coronary heart disease(冠心病) and diabetes(糖尿病), is also on the rise. The popularity of crash dieting has caused many misunderstandings about weight loss. Most of these misunderstandings cause unhealthy weight loss behaviors.
A recent research of deaths in the United States from their National Health Nutrition Examination Survey suggests that being overweight may not increase your risk of dying. This finding is contrary to the past research that they thought the numbers of premature death(早死) linked to weight in the year 2000. The findings were that underweight and seriously obese people have an increased chance of dying compared with normal weight people. Interestingly, however, being overweight is related to a slightly lower chance of dying for your age. The effect of obesity on death rate may have reduced over time, perhaps because of improvements in public health and medical care. The authors say that body weight may not be such an important risk factor for premature death and that fitness, while smoking and too much fat in your diet may be more important.
65. If a person carries much fat, he or she _______________ .
A.knows how to keep healthy better than those who don’t
B.should lose weight as soon as possible to keep healthy
C.will surely suffer from both coronary heart disease and diabetes
D.might suffer from some diseases related to obesity
66. The underlined phrase “is contrary to” in the second paragraph probably means ___________.
A. agrees with                                           B. disagrees with
C. proves                                                 D. combines
67. According to the recent research of deaths in America, ______________ .
A.underweight people will live longer than those overweight people
B.dying at an early age is connected with overweight
C.being overweight doesn’t necessary lead to premature deaths
D.being overweight is healthier than normal people
68. We can infer from the text that _____________ .
A.the writer wants to persuade people not to lose weight
B.misunderstandings about weight loss are more serious than ever
C.much progress has been made in public medical condition
D.the cause of premature deaths is heavy smoking

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