根据短文内容，从短文后的选项中选出能填入空白处的最佳选项。选项中有两处为多余选项。

　　Recently some American scientists have given a useful piece of advice to people in industrialized nations.They say people should eat more of the same kind of food eaten by humans living more than 10,000 years ago.1.________

　　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.2.________ So they are called “diseases of civilization”．Many cancers and diseases of the blood system are examples of such diseases.

　　Scientists noted that people in both the Old Stone Age and the New Stone Age enjoyed very little alcohol or tobacco, probably none.3.________ 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 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. 4.________ We 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.

　　5．________ 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.

【2017届高考英语一轮复习单元演练：必修1 Module 5《A Lesson in a Lab》（第2课时）（外研版含答案）】相关文章：

★ 【三维设计】2017版（江苏专用）二轮复习练习：选修8 Unit 3《The world of colours and light》课时跟踪检测B卷（含解析）

★ 【北京专用】2014届高考英语一轮复习方案课时作业：必修1 Unit 3 Travel journal

★ 2017届高考英语二轮复习大题冲关秘籍语法填空：创新押题（含解析）

★ 【课堂新坐标】2017届高考英语（通用版）二轮复习短文改错专题训练：训练2 短文改错（Ⅱ）（含解析）

★ 2017届高考英语一轮复习单元演练：必修1 Module 5《A Lesson in a Lab》（第1课时）（外研版含答案）

★ 四川省2016届高考英语一轮复习课时作业（37） Module 1 Basketball 外研版选修8

★ 2017届高考英语二轮复习课时训练：19（含解析）

★ 2014届高考英语一轮复习课时作业(五)必修1Module 5《A Lesson in a Lab》（外研版）

★ 【人教版】2014届高考英语一轮复习指导考点针对练：必修2 unit3《Computers》

★ 【优化方案】2017届高考英语二轮复习全国卷Ⅱ规范练：6（含解析）