18．Scientists have made sure that most of the overweight people who try to lose weight by cutting calories or exercising will return to their former size．Fewer than 10percent of the 12million British people who go on a diet each year succeed in losing significant amounts of weight and most of those who do put on all weight again within a year． The study of 25，000people provides further evidence of the popularity of‘yo-yo dieting'where people on a diet get into a cycle of losing weight and regaining it．The scientists，from the Medical Research Council's National Survey of Health and Development，have concluded it is better to avoid getting fat at the beginning．They followed 5，362men and women from their birth in 1946and 20，000from birth in 1958，measuring their weight and blood pressure and judging their lifestyles．The researchers found both groups began gaining weight in the 1980s and have steadily increased in size ever since．
Dr Rebecca Hardy，the council's programme leader on body size，said："Once people become overweight，they continue upwards．They hardly ever go back down．They may lose some weight but very few get back to normal．The best policy is to prevent people becoming overweight．For men weight goes up steadily through life．For women it starts slowly and accelerates in the mid-thirties．"
But the findings of the study do not mean dieting is pointless，as eating less and taking more exercise can increase fitness and lower blood pressure．In 2009，a quarter of adults and 14percent of children were obese（過(guò)度肥胖的），according to the Department of Health's latest Health Survey for England．It has been predicted that 60percent of us will be obese by 2050，leading to even more cases of diabetes，heart disease and cancer．Experts said we are programmed to put on weight rather than lose it．Dieting can make this tendency worse as decreasing calorie intake causes the body to go into starvation mode and reduce the amount of energy it naturally expends，making it even harder to lose weight．
60．According to Dr Rebecca Hardy，which of the following is TRUE？B
A．It is easier for men to lose weight than women．′
B．Never to become fat is the best way of keeping a good shape．
C．Once people lose weight，they never put on weight again．
D．The fact that fat people keep their weight upwards is unusual．
61．The author says"the study's findings do not mean dieting is pointless"becauseD．
A．the study lacks believable facts
B．obese people are confident in losing weight
C．dieting can never make a few people lose weight
D．dieting and sports help to keep people free from some diseases
62．From the last paragraph，we can learn thatC．
A．being overweight is a lasting problem through the human history
B．the idea that people lose weight with mechanisms is practical
C．decreasing calorie intake makes it even harder to lose weight
D．by 2050more and more people will have got unfit because of losing weight
63．Which of the following can serve as the best title of the passage？A
A．Fat people can't really keep the weight off．
B．Which is better：cutting calories or exercising？
C．A new study on people's health．
D．How to go on a healthy diet．

分析 研究表明人一旦超重就很難真的減肥，即使你通過(guò)節(jié)食和運(yùn)動(dòng)．想知道為什么嗎？請(qǐng)看文章．

解答 60-63．BDCA
60題答案：B考查細(xì)節(jié)推理，根據(jù)文章第二段的The best policy is to prevent people becoming overweight．最好的辦法是阻止人們超重．可知本題答案為B選項(xiàng)．
61題答案：D考查細(xì)節(jié)推理，根據(jù)后面的…as eating less and taking more exercise can increase fitness and lower blood pressure．因?yàn)樯俪远鄤?dòng)會(huì)增加健康、降低血壓．可知本題答案為D選項(xiàng)．
62題答案：C考查細(xì)節(jié)推理，根據(jù)最后一段的Dieting can make this tendency worse as decreasing calorie intake causes the body to go into starvation mode and reduce the amount of energy it naturally expends，making it even harder to lose weight．節(jié)食會(huì)使這種趨勢(shì)更加糟糕，因?yàn)榭防飻z入量的減少導(dǎo)致身體進(jìn)入饑餓狀態(tài)的模式并且會(huì)減少身體所自然釋放的能量，最終導(dǎo)致減肥更加艱難．可知本題答案為C選項(xiàng)．
63題答案：A考查主旨大意，本文主要講的是研究表明人一旦超重就很難真的減肥，即使你通過(guò)節(jié)食和運(yùn)動(dòng)并解釋了其中的原因．故本題答案為A選項(xiàng)．

點(diǎn)評(píng) 本題是新聞報(bào)道類閱讀理解．這類題材是高考�？嫉膬�(nèi)容，它注重考查考生對(duì)整體內(nèi)容的理解，有一定難度，做題時(shí)要求考生在通讀全文了解大意的基礎(chǔ)再結(jié)合題目要求以及上下文做出正確的判斷．

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