上海交通大學(xué)點評歷年真題.6級

內(nèi)容概要

風(fēng)靡全國，暢銷十年，8000萬讀者的選擇。真題都一樣，優(yōu)劣看解析，統(tǒng)計十年考頻，揭示命題規(guī)律。

作者簡介

陳幼平，上海交通大學(xué)副教授，商務(wù)英語課程組責(zé)任教授，上海交通大學(xué)科技外語系應(yīng)用英語語言學(xué)專業(yè)文學(xué)碩士，新加坡國立大學(xué)英語語言與文學(xué)系博士，舊金山國立大學(xué)國了示關(guān)系研究系訪問學(xué)者。長期從事大學(xué)英語一線的教研工作，先后主編過星火英語大學(xué)英語四/六級考試點評歷年真題、星火英語大學(xué)英語四/六級考試全真試卷、星火英語大學(xué)英語四/六級考試一本全等系列叢書，前瞻性強(qiáng)，解析詳盡，答案權(quán)威，深受廣大學(xué)生的愛戴和推崇。

書籍目錄

2009年6月大學(xué)英語大學(xué)六級考試真題（新）2008年12月大學(xué)英語六級考試真題（新）2008年6月大學(xué)英語六級考試真題（新）2007年12月大學(xué)英語六級考試真題（新）2007年6月大學(xué)英語六級考試真題（新）2006年12月大學(xué)英語六級考試真題（新）2006年6月大學(xué)英語六級考試真題（新）2007年12月大學(xué)英語六級考試真題（新）

章節(jié)摘錄

　　We humans, like all warm-blooded animals, can keep our core body temperatures pretty much constantregardless of whats going on in the world around us. We do this by altering our metabolic （新陳代新的）rate, shivering or sweating. Keeping warm and staying cool take energy unless we are in the "thermo-neutralzone", which is increasingly where we choose to live and work.　　There is no denying that ambient temperatures （環(huán)境溫度） have changed in the past few decades.Between 1970 and 2000, the average British home warmed from a chilly 13~C to 18℃. In the US, the chan-ges have been at the other end of the thermometer as the proportion of homes with air conditioning rose from23% to 47% between 1978 and 1997. In the southern states——where obesity rates tend to be highest——thenumber of houses with air conditioning has shot up to 70% from 37% in 1978.　　Could air conditioning in summer and heating in winter really make a difference to our weight？ Sadly,there is some evidence that it does——at least with regard to heating. Studies show that in comfortable temper-atures we use less energy.　　3. Less smoking　　Bad news: smokers really do tend to be thinner than the rest of us, and quitting really does pack on thepounds, though no one is sure why. It probably has something to do with the fact that nicotine（尼古?。?is anappetite sappressant and appears to up your metabolic rate.　　Katherine Flegal and colleagues at the US National Centre for Health Statistics in Hyattsville, Maryland,have calculated that people kicking the habit have been responsible for a small but significant portion of theUS epidemic of fatness. From data collected around 1991 by the US National Health and Nutrition Examina-tion Survey, they worked out that people who had quit in the previous decade were much more likely to beoverweight than smokers and people who had never smoked. Among men, for example, nearly half of quit-ters were overweight compared with 37% of non-smokers and only 28%of smokers.　　4. Genetic effects　　Your chances of becoming fat may be set, at least in part, before you were even born. Children of obesemothers are much more likely to become obese themselves later in life. Offspring of mice fed a high-fat dietduring pregnancy are much more likely to become fat than the offspring of identical mice fed a normal diet.Intriguingly, the effect persists for two or three generations. Grand-children of mice fed a high-fat diet growup fat even if their own mother is fed normally——so your fate may have been sealed even before you were con-ceived.　　5. A little older　　Some groups of people just happen to be fatter than others. Surveys carried out by the US National Cen-tre for Health Statistics found that adults aged 40 to 79 were around three times as likely to be obese asyounger people. Non-white females also tend to fall at the fatter end of the spectrum: Mexican-Americanwomen are 30% more likely than white women to be obese, and black women have twice the risk.　　In the US, these groups account for an increasing percentage of the population. Between 1970 and 2000the US population aged 35 to 44 grew by 43%. The proportion of Hispanic-Americans also grew, from under5% to 12.5% of the population, while the proportion of black Americans increased from 11% to 12.3%.These changes may account in part for the increased prevalence of obesity.

編輯推薦

　　風(fēng)靡全國，暢銷十年，8000萬讀者的選擇。命中2009年12月9道真題375分！內(nèi)含機(jī)考模擬系統(tǒng)+2套機(jī)考模擬題。聽力配字幕，練習(xí)更高效。真題都一樣，優(yōu)劣看解析，統(tǒng)計十年考頻，揭示命題規(guī)律。本冊隨光盤贈送，不得單獨銷售?！　嵖荚粼佻F(xiàn)，聽力字幕同步，學(xué)習(xí)自測并行。高頻詞匯錄音，詞匯例句同讀，聽記高效輕松。全國首家推出，高度仿真系統(tǒng)，題庫自動更新。備考策略詳解，做題技巧點撥，命題規(guī)律剖析。

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