Other research has found the effect of night­time lighting on the body may contribute to unhappy feelings.But it's too early to suggest that sleeping in the dark will help prevent obesity，a known risk factor for breast cancer.The findings are reported in the American Journal of Epidemiology.

　　Previous research has drawn similar conclusions.A team at Ohio State University examined how night­time light affects weight，body fat and glucose intolerance(葡萄糖过敏)in mice.They found that continuing exposure to even a little night­time light caused increases in all three aspects.

　　Light changes mood，physical strength and even the way we process food in a 24­hour cycle.Artificial light is known to interrupt the body clock by delaying the production of the sleep hormone melatonin(睡眠荷尔蒙褪黑激素)．So there is no harm in trying to make bedrooms darker.

　　1. What does“piling on the pounds”in the first paragraph mean?

　　A．Putting pounds into a pile.

　　B．Filling in with pounds.

　　C．Making a lot of money.

　　D．Gaining body weight.

　　2．From the passage，we know that ________.

　　A．sleeping in the dark must help prevent obesity

　　B．lighting on the body at night makes people happy

　　C．night­time light may affect human beings and mice

　　D．it is easy for women to become fat and have cancer

【2017版高考英语北师大版《名师伴你行》一轮复习课时作业：15《Learning》（含解析）】相关文章：

★ （安徽专用）2014届高考英语一轮复习方案 作业手册（14）模块5 《Unit 14 Careers》（含解析） 北师大版必修1

★ 【优化方案】2017届高考英语二轮复习全国卷Ⅱ规范练：8（含解析）

★ 2017届高考英语二轮复习课时训练：4（含解析）

★ 2017届高考英语二轮复习课时训练：11（含解析）

★ 四川省2016届高考英语一轮复习课时作业（48） Module6 The Tang Poems 外研版选修8

★ 【优化方案】2017届高考英语二轮复习全国卷Ⅱ题型重组训练：第3组（含解析）

★ 【三维设计】2017届高考英语（江苏专用）二轮复习课件：必修3 Unit 1《The world of our senses》

★ 【浙江专用】2014届高考英语一轮复习课时作业(二十九)选修6Unit 4《Global warming》

★ 2014届高考英语一轮复习必修5参考答案（外研版）

★ 【北师大版】2014届高考英语一轮复习指导课时作业：Unit 8 B卷 Word版含解析