D．a diet serving as medicine

　　4．Many women take it for granted，according to passage that________.

　　A．a balanced diet can result in being fat

　　B．staying thin and healthy are both possible

　　C．lack of variety in diets leads to staying thin

　　D．vitamins are some kind of substitution for food

　　5．By“if the fuel isn’t there，the spark is useless”，the author means________.

　　A．carbohydrates，protein and fat are enough to support a human life

　　B．vitamins and minerals are virtually of no value

　　C．carbohydrates，protein and fat are as important as vitamins and minerals

　　D．without carbohydrates，protein and fat，vitamins and minerals are of no use

　　B

　　(2015·长沙高三模拟)Many people say they can not start their day without first having a cup of coffee or tea.People say these drinks help them think clearly and feel more awake.This is because of caffeine，a kind of matter found in some plants.Caffeine helps to give a jumpstart to the nervous system.Now a new report says it may also improve long－term memory.

　　Michael Yassa is a neurobiology professor at the University of California.He and other researchers wanted to know if caffeine could improve what they called memory consolidation.They asked a group of individuals to learn something new，then the same people were given caffeine，the active component in coffee，tea and chocolate.

【2016届高考英语二轮课后检测：20 Unit1 living with technology（牛津译林版）】相关文章：

★ 四川省2016届高考英语一轮复习课时作业（43） Module 1 Deep South 外研版选修8

★ 2017届高考英语二轮复习书面表达限时测验：2（含解析）

★ 北京市2014高考英语一轮复习 练习手册（40）选修8 Unit 5 Meeting your ancestors（含解析）新人教版

★ 2017届高考英语二轮复习书面表达限时测验：3（含解析）

★ 2017年高考英语二轮复习精品资料：专题16 书面表达（押题专练）（原卷版）

★ 【北师大版】2014届高考英语一轮复习指导课时作业：Unit 1 A卷 Word版含解析

★ （安徽专用）2014届高考英语一轮复习方案 作业手册（18）模块6 《Unit 18 Beauty》（含解析） 北师大版必修1

★ 2017年高考英语二轮复习精品资料：专题14 阅读理解（教学案）（原卷版）

★ 2014届高考英语一轮复习课时作业(三十三)选修6Module 3《Music》（外研版）

★ 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）