For example, laboratory experiments show that young mice stay close by their mothers for safety. As mice grow, their behavior does too.“When they reach puberty, they’re like, ’I’m going to start checking out how this environment looks without my mom ...’” explains Beatriz Luna, of the University of Pittsburgh.

　　As a developmental cognitive neuroscientist (认知神经科学家), Luna studies

　　those changes that occur in the brain as children develop into adults. She and other researchers are showing how the teen experience can lead to powerful advantages later in life. Take mice again: Young mice that explore most tend to live longest — that is, unless a cat eats them, Luna adds.

　　语篇解读：本文是一篇说明文。主要讨论了在青少年成长的过程中，大脑的变化促使他们区别于其他年龄段的人。12．What does the writer want to tell us by taking mice for example?

　　A．Young mice try to look for safety.

　　B．Mice experience different stages.

　　C．Young mice like to stay with their mothers.

　　D．Mice also experience a period to explore the world.

　　解析：选D　写作意图题。根据第四段中的“teens everywhere go through this exploratory period ... Even laboratory mice experience a similar stage during their development”可知，文中提到老鼠的例子是为了说明即使老鼠也会像人一样经历探索的时期。故答案选D。

【2017届高考英语一轮复习技能提升练：必修1 Unit 3《Travel journal》（新人教版含解析）】相关文章：

★ （安徽专用）2014届高考英语一轮复习方案 作业手册（21）模块7 《Unit 21 Human Biology》（含解析） 北师大版必修1

★ 2014届高考英语一轮复习课时作业(十七)必修3Module 5《Great People and Great Inventions of Ancient China》（外研版）

★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (39)

★ 2017高考四川省广安市英语阅读理解一轮系列训练：17（含解析）

★ 【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）

★ 2014届高考英语一轮复习选修6参考答案（外研版）

★ 【北京专用】2014届高考英语一轮复习方案课时作业：必修4 Unit 5 Theme parks

★ 【人教版】2014届高考英语一轮复习指导考点针对练：必修4 unit3《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 3 The Million Pound Bank Note

★ （安徽专用）2014届高考英语一轮复习方案 作业手册（19）模块7 《Unit 19 Language》（含解析） 北师大版必修1