题目内容
16．Recently some American scientists have given a useful piece of advie to people in industrialized（工业化） nations．They say people should eat more of the same kind of food eaten by humans living
more than 10，000 years ago．（16）C
The scientists say that the human life has changed greatly．Our bodies have not been able to deal with these changes in lifestyle and this had led to new kinds of sicknesses．（17）E
So they are called"diseases of civilization（文）"Many cancers and diseases of the blood system are examples of such diseases．
Scientists noted that peole in both the Old Stone Age and the New Stone Age enjoyed very little alcohol or tobacco，probably none．（18）D However，a change in food is one of the main differences between life in ancient times and that of today．
Stone Age people hunted wild animals for their meat，which had much less fat than domestic（家养的）ones．
They ate a lot of fresh wild vegetables and fruits．They did not have milk or any other dairy products，and they made very little use of grains．（19）BWe eat six times more salt than our ancestors．We eat more sugar．We eat twice as much fat but only one third as much protein and much less vitamin C．
（20）F But scientists say that we would be much healthier if we eat much the same way the ancient people did，cutting the amount of fatty，salty and sweet food．
A．Stone Age people lived a simple life．
B．But today，we enjoy eating a lot of these．
C．In that case，they would live much healthier．
D．Ancient people also got lots of physical exercise．
E．These new sicknesses were not known in ancient times．
F．People today probably don't want to live like our ancestors．
G．Modern people used to suffer from"diseases of civilization"．
分析 本文主要介绍了随着工业化，我们的生活发生了很多变化，在饮食上与古代人有很大的差异．但我们的身体已不能应对这些变化和生活方式导致的新种类疾病，而这种新的疾病在古代是闻所未闻．科学家们认为，我们已经不能像古人那样生活了，如果我们吃的食物与古代人一样，减少脂肪、盐和糖的含量，那我们将会更健康．
解答 16-20 CEDBF
16．C联系上文题．根据上句They say people should eat more of the same kind of food eaten by humans living
more than 10，000 years ago．可知科学家们说人们应该吃更多1000多年以前人类吃的同类食物．C项：In that case，they would live much healthier．在这种情况下，他们会活得更健康．符合文意，故选C．
17．E文章衔接题．根据上文Our bodies have not been able to deal with these changes in lifestyle and this had led to new kinds of sicknesses．可知我们的身体已不能应对这些变化和生活方式导致的新种类疾病．E项：These new sicknesses were not known in ancient times．这些新的疾病在古代是闻所未闻．符合文意，故选E．
18．D细节理解题．根据本段内容介绍了古代人和现代人的一些生活差异．D项：Ancient people also got lots of physical exercise．古代人也有很多的体育锻炼．符合文意，故选D．
19．B联系上文题．根据上文They did not have milk or any other dairy products，and they made very little use of grains．可知他们不喝牛奶或其他乳制品，他们很少使用的谷物． B项：But today，we enjoy eating a lot of these．但是今天，我们吃了很多．符合文意，故选B．
20．F归纳总结题．根据后文But scientists say that we would be much healthier if we eat much the same way the ancient people did，cutting the amount of fatty，salty and sweet food．可知科学家说，如果我们吃的食物和古代人一样，减少了脂肪、盐和糖的含量，那就更健康了．F项：People today probably don't want to live like our ancestors．今天的人们或许不想活得像我们的祖先．符合文意，故选F．
点评 答题前先快速浏览一遍七个备选答案，先确定哪个选项适合放在文章的什么位置．通常有三个四个位置：标题，句首，句中，句尾．不同位置的句子有不同的特征．确定文章体裁，抓住文章结构．分析篇章结构，找出各段的主题句或主旨大意．
