专练07：概要写作-2020-2021学年高二英语下学期期中专项复习（人教版2019）

2020-2021学年高二英语下学期期中复习题型专练(人教版2019) 专练07 概要写作（含范文） 一、概要写作01 阅读下面短文，根据其内容写一篇60词左右的内容概要。 Most teens need about 8 to more than 9-hours of sleep each night. The right amount of sleep is essential for anyone who wants to do well in tests or sports. And lack of sleep affects everything from a person's ability to pay attention in class to his or her mood. It also damages teens' ability to do their best in athletics. Unfortunately research shows that many teens don't get enough sleep, and more than 20% of high school students fall asleep in class. Until recently, teens were often blamed for staying up late, oversleeping for school, and falling asleep in class. But recent studies show that adolescent sleep patterns actually differ from those of adults or kids. These studies show that during the teen years, the body's biological clock is temporarily reset, telling a person to fall asleep later and wake up later. This change might arise from the fact that the brain hormone melatonin（褪黑素）is pr