information from 100 countries to identify what people ate and how a diet affected health.He noted a movement beginning in the 1960s.He found that as nations industrialized (工业化)，population increased and earnings rose，more people began to adopt what has been called the Western diet.

　　The Western diet is high in sugar，fat，oil and meat.By eating these foods，people began to get fatter and sicker.David Tilman says overweight people are at greater risk of non­infectious diseases like diabetes (糖尿病) and heart disease.

　　Unfortunately when people become industrialized，if they adopt this Western diet，they are going to have these health problems，especially in developing countries in Asia.China is an example where the number of diabetes cases has been jumping from less than one percent to 10 percent of the population as they began to industrialize over a 20­year period.And that is happening all across the world，in Mexico，in Nigeria and so on.

　　And，a diet bad for human beings，is also bad for the environment.As the world’s population grows，more forests and tropical (热带的) areas will become farmlands for crops or grasslands for cattle.We are likely to have more greenhouse gas in the future from agriculture than that coming out of all forms of transportation right now.

　　Mr.Tilman calls the link between the diet，the environment and human health，“a trilemma”—a problem offering a difficult choice.He says one possible solution is leaving the Western diet behind.

【2017版高考英语一轮复习知能演练轻松闯关：必修3 Unit 2《Healthy eating》（含解析）】相关文章：

★ 【优化方案】2017届高考英语二轮复习全国卷Ⅱ规范练：5（含解析）

★ 【人教版】2014届高考英语一轮复习指导考点针对练：选修6 unit2《Poems》

★ 【浙江专用】2014届高考英语一轮复习课时作业(二十六)选修6Unit 1《Art》

★ 【浙江专用】2014届高考英语一轮复习课时作业(十三)必修3Unit 3《The Million Pound Bank Note》

★ 【三维设计】2017版（江苏专用）二轮复习练习：必修1 Unit 1《School life》单元检测（含解析）

★ 2017届高考英语二轮复习书面表达限时测验：1（含解析）

★ 2014年牛津译林版高中英语总复习（第1轮）同步练习 M5《Unit 3　Science and nature》

★ 2017届高考英语二轮复习大题冲关秘籍语法填空：名校模拟（含解析）

★ 【三维设计】2017版（江苏专用）二轮复习练习：必修1 Unit 1《School life》课时跟踪检测A卷（含解析）

★ 【浙江专用】2014届高考英语一轮复习课时作业(二十)必修4Unit 5《Theme parks》