Unit1 Beware and Take Care Extended Reading 课件-2023-2024学年高中英语牛津译林版（2020）选修第二册

Book 9 Unit 1 Beware and take care Extended Reading What do you know about illegal drugs? Drugs are illegal substances that some people smoke or inject for the seemingly pleasant effects they have. Drugs are highly addictive and can do great harm to drug users’ physical and mental health. There are mainly three different types of illegal drugs: depressants, stimulants and hallucinogens. Depressants slow down the central nervous system while stimulants speed it up. Hallucinogens can alter how a person perceives the world. What do you know about illegal drugs? Types & Differences or downers, such as alcohol, that reduce excitability and calm a person. such as tea and coffee, that make you feel more awake and give you more energy. such as LSD, that make people see and hear things that do not really exist. /dɪˈpresnt/ /'stimjulənt/ /həˈluːsɪnədʒen/ ecstasy /ˈekstəsi/ Names of illegal drugs heroin marijuana /ˌmærəˈwɑːnə/ Negative Impacts Negative Impacts High risk for addiction Low motivation to work Neglecting daily responsibilities Financial problems to obtain drugs Relationship damage (partners, families, and friends) Legal issues (arrests, fines, violence, stealing, etc.) Physical & mental health issues and risk of overdose Look at the title & predict its writing style and content. Conclusion Conclusin _______________ Find out keywords (logic & content) and topic sentences to help you understand the structure! Dangers of drug abuse Reasons for start taking drugs Ways to protect yourself from drug use responsibility Conclusion Read Para 1 for Writing Skills: (1) How many sections can the first paragraph be divided into? Four. Greeting / Self-intro / Severity / Theme. (2) How does the author emphasize the severity of drug abuse? rhetorical devices: Parallelism (I have witnessed / I have seen / I have also seen) & presenting data (2021 / 275 / 36 million). Read Paras 2-3 for Dangers: