Unit 4 Information Technology（课件PPT）-【优化指导】2023-2024学年新教材高中英语必修第二册（北师大版2019）

UNIT 4　INFORMATION TECHNOLOGY 栏目索引 话题类文导入 核心素养导航 电脑在我们的日常生活当中，给我们带来了许多方便。但是，也可能会给我们带来烦恼。一项研究发现，青少年过度使用因特网可能会导致高血压。 话题类文导入 返回导航 英语　必修　第二册　B UNIT 4　INFORMATION TECHNOLOGY The Internet plays a big part in① human life.We use it for② work and pleasure. We use it to learn a new language.We find advice on it.We use it to connect with family and friends.We use it to stay in touch with③ events we care about④.The list goes on and on⑤. Well，that train has left the station.But can using the Internet too much be bad for⑥ our health? It might be，researchers say.A new study finds that heavy Internet use may be connected to high blood pressure (血压) in an unlikely group：teenagers. 返回导航 英语　必修　第二册　B UNIT 4　INFORMATION TECHNOLOGY High blood pressure makes your heart and blood vessels (血管) work too hard. Over time⑦，this extra pressure increases your risk of a heart attack.High blood pressure can also cause heart and kidney (肾脏) disease.It is also closely linked to⑧ a brain disease. 返回导航 英语　必修　第二册　B UNIT 4　INFORMATION TECHNOLOGY The Henry Ford Hospital in Detroit，Michigan did the study.335 young people，from 14 to 17 years old，took part in⑨ it.134 of the teens were described as⑩ “heavy Internet users”．And researchers found that out of these 134 teens，26 had high blood pressure. The researchers say the study is the first to connect heavy web use with⑪ high blood pressure.Other research has connected heavy Internet use with anxiety，depression and obesity (肥胖)． 返回导航 英语　必修　第二册　B UNIT 4　INFORMATION TECHNOLOGY The lead researcher is Andrea Cassidy-Bushrow.She said，“Using the Internet is part of ⑫ our daily life，but it shouldn’t ruin us.” Ms Cassidy-Bushrow adds that it is important for teens to take regular breaks⑬ from their computers or smart-phones and do some kind of physical activity⑭.She also suggests that parents limit (限制) their children’s use of the Internet to two hours a day，five days a week. 返回导航 英语　必修　第二册　B UNIT 4　INFORMATION TECHNOLOGY [微积累] ①play a part in在……起作用 ②use…for将……用作