A study found that at least one in four teens is tired and falls asleep in school at least once a week. During sleep, important body functions and brain activities happen. So how can teenagers get their sleep enough? The American Academy of Pediatrics (AAP) recommends that middle and high schools should start later — not before 8:30 am. This should give teens some more time to sleep at night.
语篇解读:本文是一篇说明文。早睡才能早起,晚睡会导致早上赖床,睡觉周期的改变实际上受制于大脑中一种被称为褪黑激素的荷尔蒙。
1.From Paragraph 2, we can learn that if you sleep late, the next day you should ________.
A.stay sharpB.skip breakfast
C.get up late
D.stay up late
解析:选C 细节理解题。文章第一段提到为什么孩子们早上不愿起床,第二段紧接着分析原因,说明孩子们睡觉晚是他们早上赖床的原因,故C项正确。
2.What does the underlined word “this” in Paragraph 3 refer to?
A.The students want to stay up.
B.The shifts of the sleep cycle.
C.The pineal gland secretes melatonin.
D.The adolescents sleep late.
解析:选B 代词指代题。第二段提到了睡觉周期的改变,第三段紧接着解释造成这一现象的原因,因此this指睡觉周期的改变,故B项正确。
【2017届高考英语一轮复习跟踪检测:必修2 Module 1 Our Body and Healthy Habits(外研版)】相关文章:
★ 【三维设计】2017届高考英语(江苏专用)二轮复习课件:必修4 Unit 3《Tomorrow’s world》
★ 【北师大版】2014届高考英语一轮复习指导课时作业:Unit 10 A卷 Word版含解析
★ 【北师大版】2014届高考英语一轮复习指导课时作业:Unit 7 A卷 Word版含解析
★ 【人教版】2014届高考英语一轮复习指导考点针对练:必修4 unit1《Women of achievement》
★ 湖南省汝城二中2014届高考英语一轮复习阅读训练 (21)
★ 2014届高考英语一轮复习课时作业(七)必修2Module 1《Our Body and Healthy Habits》(外研版)
★ 【三维设计】2017届高考英语(江苏专用)二轮复习课件:必修4 Unit 2《Sports events》
最新
2017-04-24
2017-04-24
2017-04-24
2017-04-24
2017-04-21
2017-04-21