Constant worry and tension can have many harmful effects on the human body.It is a known fact that stressful times can cause one to suffer hair loss.It would make sense that if it can cause these problems，perhaps it also may contribute to graying.However，there is no sound evidence to support this.

　　On the other hand，many medical professionals believe that there may be a link between graying and a constant state of anxiety or tension.Does stress cause gray hair？There is no scientific evidence to support the theory，but it is best to avoid stressful situations.

　　1．The underlined phrase in the first paragraph most probably means________.

　　A．clever remarksB．silly remarks

　　C．exciting remarks

　　D．disappointed remarks

　　2．The second paragraph mainly tells us________.

　　A．every part of body is replaced with age

　　B．hairs will grow weak but not die

　　C．skin becomes wrinkled with age

　　D．every part of body ages with age

　　3．What might play the most important role in the graying process?

　　A．Genetics and the amount of sleeping time.

　　B．The amount of food people eat and living environment.

　　C．The amount of pigment and genetics.

　　D．Genetics and the amount of water people drink

【2016高考英语一轮总复习 课时作业28 Module 5《The Great Sports Personality》外研版必修5】相关文章：

★ 四川省2016届高考英语一轮复习课时作业（22） Module 4 Great Scientists 外研版必修4

★ 【北京专用】2014届高考英语一轮复习方案课时作业：必修4 Unit 3 A taste of English humour

★ 【北京专用】2014届高考英语一轮复习方案课时作业：必修3 Unit 5 Canada

★ 四川省2016届高考英语一轮复习课时作业（28） Module 4 Carnival 外研版必修5

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

★ 【浙江专用】2014届高考英语一轮复习课时作业(二十二)必修5Unit 2《The United Kingdom》

★ 【浙江专用】2014届高考英语一轮复习课时作业(二十五)必修5Unit 5《First aid》

★ 【北京专用】2014届高考英语一轮复习方案课时作业：必修4 Unit 1 Women of achievement

★ （安徽专用）2014届高考英语一轮复习方案 作业手册（13）模块5 《Unit 13 People》（含解析） 北师大版必修1

★ 四川省2016届高考英语一轮复习课时作业（33） Module 3 Interpersonal Relationships Friendship 外研版选修6