（新教材）人教版（2019）高中英语必修第二册概要写作Screen time ppt课件.pptx

1、Summary Writing The gist keywords If youre worried that too much “screen time” could badly influence your childs intelligence, new research suggests you might be right. By analyzing the data gathered from over 4500 U.S. kids aged 8 to 11 between 2016 and 2017, Jeremy Walsh, a postdoctoral fellow wit

2、h the CHEO Research Institute in Ottawa, found that too much “screen time” could be harming your childs intelligence. Kids with the sharpest intellects spent less than two hours a day on their cellphones, tablets and computers, coupled with 9 to 11 hours of sleep and at least an hour of physical act

3、ivity. Too much screen time could be affecting kids ability to focus, especially if they are switching between apps on a device or between different screens at the same time, Walsh suggested. “One leading hypothesis(假设) is that much time on screens is spent multitasking, using multiple apps or devic

4、es at once,” he said. “This can interfere with a childs ability to focus and keep interest on a task. It can be damaging the building blocks for good cognition(认知).” Sleep is important for brain development, since thats when the brain reorganizes itself and grows ,Walsh added. Besides, exercise has

5、been shown to increase blood flow to the brain and oxygenation of brain tissues, and increase the connectivity of networks in the brain. Too much screen time could lead to a “cascade” effect where kids dont get enough sleep and then are less active during the day. “You can see how this would have an

6、 impact on brain health,” Walsh said. What should parents do? Walsh advised setting firm rules regarding the use of screens ,including how long children are using the screens, the kinds of apps they are using and how many screens they are using at once. Concerned parents also should preview games or

7、 apps before letting their children play, seek out more interactive (交互的) options that engage the childs mind, and use parental controls to block or filter content and limit screen time. The structure If youre worried that too much “screen time” could badly influence your childs intelligence, new re

8、search suggests you might be right. By analyzing the data gathered from over 4500 U.S. kids aged 8 to 11 between 2016 and 2017, Jeremy Walsh, a postdoctoral fellow with the CHEO Research Institute in Ottawa, found that too much “screen time” could be harming your childs intelligence. Kids with the s

9、harpest intellects spent less than two hours a day on their cellphones, tablets and computers, coupled with 9 to 11 hours of sleep and at least an hour of physical activity. Too much screen time could be affecting kids ability to focus, especially if they are switching between apps on a device or be

10、tween different screens at the same time, Walsh suggested. “One leading hypothesis(假设) is that much time on screens is spent multitasking, using multiple apps or devices at once,” he said. “This can interfere with a childs ability to focus and keep interest on a task. It can be damaging the building

11、 blocks for good cognition(认知).” Sleep is important for brain development, since thats when the brain reorganizes itself and grows ,Walsh added. Besides, exercise has been shown to increase blood flow to the brain and oxygenation of brain tissues, and increase the connectivity of networks in the bra

12、in. Too much screen time could lead to a “cascade” effect where kids dont get enough sleep and then are less active during the day. “You can see how this would have an impact on brain health,” Walsh said. What should parents do? Walsh advised setting firm rules regarding the use of screens, includin

13、g how long children are using the screens, the kinds of apps they are using and how many screens they are using at once. Concerned parents also should preview games or apps before letting their children play, seek out more interactive (交互的) options that engage the childs mind, and use parental contr

14、ols to block or filter content and limit screen time. Problem Disadvantage1 Disadvantage2 Suggestion Disadvantages Tip1: Identify the textual pattern. Para. 1 If youre worried that too much “screen time” could badly influence your childs intelligence, new research suggests you might be right. By ana

15、lyzing the data gathered from over 4500 U.S. kids aged 8 to 11 between 2016 and 2017, Jeremy Walsh, a postdoctoral fellow with the CHEO Research Institute in Ottawa, found that too much “screen time” could be harming your childs intelligence. Kids with the sharpest intellects spent less than two hou

16、rs a day on their cellphones, tablets and computers, coupled with 9 to 11 hours of sleep and at least an hour of physical activity. Sentence Function Keywords S1 S2 S3 引出要点 提出要点 对比论证 badly influence, childs intelligence harm, childs intelligence sleep, physical activity Tip2: Figure out the relation

17、ship between sentences. Summary for Para. 1 Too much “screen time” could badly influence your childs intelligence. l negatively affect/impact l have a bad/negative effect/influence/impact on l damage/harm/impair l do damage/harm to l be harmful to excessive New research has found/suggested/showed/re

18、vealed that excessive “screen time” may negatively affect childrens intelligence. Para. 2 Too much screen time could be affecting kids ability to focus, especially if they are switching between apps on a device or between different screens at the same time, Walsh suggested. “One leading hypothesis(假

19、设) is that much time on screens is spent multitasking, using multiple apps or devices at once,” he said. “This can interfere with a childs ability to focus and keep interest on a task. It can be damaging the building blocks for good cognition(认知).” Sentence Function Keywords S1 S2 S3 S4 提出要点 理论论证 强调

20、要点 引出后果 affect, focus interfere with, focus, interest damage, cognition much time on screens Tip2: Figure out the relationship between sentences. Summary for Para. 2 This can interfere with a childs ability to focus and keep interest on a task. It can be damaging the building blocks for good cogniti

21、on(认知认知).” It can be damaging the building blocks for good cognition(认知认知).” prevent/stop/keep 因果关系thus, therefore, hence, as a result/consequence It can _ children from focusing and _ interested, thus _ their cognition _. prevent/stop/keep staying impairing development ? much time on screens is spe

22、nt multitasking, using multiple apps or devicestoo much screen time Para. 3 Sleep is important for brain development, since thats when the brain reorganizes itself and grows ,Walsh added. Besides, exercise has been shown to increase blood flow to the brain and oxygenation of brain tissues, and incre

23、ase the connectivity of networks in the brain. Too much screen time could lead to a “cascade” effect where kids dont get enough sleep and then are less active during the day. “You can see how this would have an impact on brain health,” Walsh said. Sentence Function keywords S1&S2 S3 S4 推理演绎 提出要点 引用论

24、证 sleep, exercise, brain not enough sleep, less active brain health Tip2: Figure out the relationship between sentences. Summary for Para. 3 屏幕时间过多导致孩子缺少睡眠和运动，这会有损大脑健康。 Too much screen time could lead to a “cascade” effect where kids dont get enough sleep and then are less active during the day. “Yo

25、u can see how this would have an impact on brain health,” Walsh said. It leads to/results in their lack of sleep and exercise, which_ . lack of, inadequate, insufficient which does harm/damage to the brain health. Summary for Para. 3 Whats the theme of the ? Whats the relationship between “sleep and

26、 exercise” and “screen time”? Tip3: What you write must be closely connected with the theme. Para. 4 What should parents do? Walsh advised setting firm rules regarding the use of screens ,including how long children are using the screens, the kinds of apps they are using and how many screens they ar

27、e using at once. Concerned parents also should preview games or apps before letting their children play, seek out more interactive (交互 的) options that engage the childs mind, and use parental controls to block or filter content and limit screen time. Sentence Function keywords S1 S2 S3 过渡句 提出要点 补充要点

28、 firm rules, how long, apps, how many filter content, limit screen time Tip2: Figure out the relationship between sentences. Summary for Para. 4 What should parents do? Walsh advised setting firm rules regarding the use of screens ,including how long children are using the screens, the kinds of apps

29、 they are using and how many screens they are using at once. Concerned parents also should preview games or apps before letting their children play , seek out more interactive (交互的) options that engage the childs mind, and use parental controls to block or filter content and limit screen time. Paren

30、ts are advised to _concerning the use of screens, _the contents and limit the screen time. establish strict regulations monitor Coherence Problem Disadvantage 1 Disadvantage 2 Suggestion Link1: also, likewise, besides, furthermore, in addition, etc. Link2: so, thus, therefore, hence, accordingly, co

31、nsequently, etc. Tip4: Use link words if necessary. One possible version New research has found that excessive “screen time” may negatively affect childrens intelligence.( (要点要点1 1) ) It prevents children from focusing and staying interested, thus restricting their cognitive development.( (要点要点2 2) ) Also, it results in inadequate sleep and lack of physical activity, which do harm to the brain health.( (要点要点3 3) ) Accordingly, parents are advised to establish strict regulations concerning the use of screens, monitor the contents and limit the screen time. ( (要点要点4 4) ) Thanks!Thanks!