When the body clock can synchronize（使……同步）the rhythms of its natural processes，it “gives us an advantage in daily life”，says Key．

　　According to him，when it comes to cognitive（认知的）work，most adults perform best in the late morning．As our body temperature starts to rise just before awakening in the morning and continues to increase until midday，our memory，alertness and concentration gradually improve．

　　However，he adds，our ability to concentrate typically starts to decrease soon thereafter．Most of us are more easily distracted（分心）between noon and 4 pm．

　　Alertness also tends to fall after eating a meal and sleepiness tends to peak around 2 pm，making that a good time for a nap．

　　Surprisingly, tiredness may increase our creative powers．For most adults，problems that require open ended thinking are often best dealt with in the evening when they are tired， according to a study in the journal Thinking & Reasoning．

　　When choosing a time of day to exercise，paying attention to your body clock can improve results．Physical performance is usually best from about 3 to 6 pm，says Michael Smolensky，a professor of biomedical engineering．

　　Of course, not everyone's body clock is the same，making it even harder to synchronize natural rhythms with daily plans．

　　51．If we know our natural body rhythm well, we can

【2017届高考英语一轮专项训练：阅读理解（6）及答案】相关文章：

★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (6)

★ 2014届高考英语一轮复习课时作业(三十四)选修6Module 4《Music》（外研版）

★ 【人教版】2014届高考英语一轮复习指导考点针对练：选修6 unit1《Art》

★ 重庆市2014高考英语阅读理解一轮（精品）训练题（14）附答案

★ 2017届高考英语二轮复习课时训练：1（含解析）

★ 【北师大版】2014届高考英语一轮复习指导课时作业：Unit 4 A卷 Word版含解析

★ 【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3 短文改错（Ⅲ）（含解析）

★ 浙江省湖州市2014高考英语阅读理解一轮（暑假）精炼（15）含答案

★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (75)

★ 2014高考英语（新人教版）一轮基础训练（12）A、B卷（附答案或解析）