Human studies linking nighttime light and mood disorders are important but can't easily detect molecular underpinnings (分子结构)as animal studies can，says George Brainard of Thomas Jefferson University. The new work, he says, suggests that the change of the biological clock by light at night can be “an extremely powerful force in regulating biology and behaviour”．

　　1．After being exposed to continuous nighttime light，the mice ________．

　　A．changed their preferences

　　B．escaped from the water more eagerly

　　C．remained active as before

　　D．showed less interest in their favourites

　　2．What does the underlined word “quash” in Para. 4 probably mean?

　　A．Study.B．Predict.C．Ease.D．Cause.

　　3．We can learn from the last paragraph that ________．

　　A．light at night may have practical value

　　B．the biological clock is beneficial to humans

　　C．human mood disorders cannot be healed easily

　　D．human studies are more important than animal studies

　　4．What is the main idea of the passage?

　　A．Nighttime light may foster depression.

　　B．A drug has been found to cure mood disorders.

　　C．The study on animals can be applied to humans.

　　D．Human biological clock can be controlled by light.

【四川省成都市2016届高考英语阅读理解二轮提升训练（24）（含解析）】相关文章：

★ 河南省三门峡市2014高考英语一轮（暑假）基础训练（6）附答案

★ 湖南省岳阳市2014高考英语一轮单项选择训练题（17）及答案

★ 2016高考英语听力提升素材

★ 山东省济宁市2016年高考英语复习：高中英语语法主语从句讲解及练习

★ 安徽省淮南市2014高考英语一轮单项选择及文章训练（16）及答案

★ 重庆市2014高考英语阅读理解一轮（精品）训练题（15）附答案

★ 【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15组（含解析）

★ 2017高考四川省广安市英语阅读理解一轮系列训练：25（含解析）

★ 重庆市2014高考英语阅读理解一轮（精品）训练题（10）附答案

★ 四川省成都市2016届高考英语阅读理解二轮提升训练（2）（含解析）