UNIT 6 Section Ⅰ TOPIC TALK & LESSON 1（Word教参）-【优化指导】2022-2023学年新教材高中英语选择性必修第二册（北师大版2019）

单元话题导入 [品读话题短文] Since terrorist attack in 2019 that killed 50 people in New Zealand was livestreamed on Facebook, many of the negative effects① of social media have begun to be known. So far②, it's not looking good. Not that social media③ is bad in nature. It does not necessarily cause mental health problems. What it is doing, however—especially in young people, a new study argues—is increasing the number of④ cases of young people's depression(抑郁) and suicide(自杀). The new study, led by psychologist Jean Twenge at San Diego State University, has researched the effects of technology and social media on the teenager brain. For this study, Twenge and her partners researched data(数据) from 2005 to⑤ 2017. They wanted to know what age groups suffered more from⑥ depression. Chance of mood disorders(紊乱), they write, “generally becomes less with age.” In this date range, depressive cases increased by⑦ 63 percent among young people aged 12 to 17, and 52 percent among young adults aged 18 to 25. There are two tendencies that appear to⑧ be causing this problem. According to⑨ the study, the increased use of electronic communication and digital media during this time period may have changed ways of socializing enough to affect mood disorders and suicide-related results. For example, people who spend more time on⑩ social media and less time with others face-to-face report poorer health and are more likely to⑪ be depressed. Tied into increased screen time, which could lead to⑫being affected by cyber-bullying, are sleep issues. Sleep duration is decreasing among all age groups, but especially young adults during a time in life when they need it the most. Lack of ⑬sleep has been linked to mood disorders, suicidal thoughts, and suicide attempts. Using the technology for good is one step forward. But another would be to put the phone down⑭more often. If you've only grown up ⑮in a world viewed through a screen, learning that other world-namely, the real one-exists might seem impossi