Unit 4 Information technology Lesson 3 Internet and friendships 课件-2024-2025学年高一英语北师大版（2019）必修第二册

Lesson 3 Internet and Friendships Unit 4 Information Technology Leading in What do you usually do with your friends on the Internet ? chat online send emails send messages order food share videos Leading in Will the Internet influence your friendship? Do you think the Internet helps or harms friendships? Leading in ACTIVATE AND SHARE Leading in Give your reasons. Write them down in the following table. ACTIVATE AND SHARE Positive aspects Negative aspects · bring people closer together · makes people self-centred Leading in Express your opinion by using examples or personal experiences. ACTIVATE AND SHARE Defend your ideas / Attack your opponents State your ideas / supporting details How to defend your own ideas How to attack your opponents Leading in ACTIVATE AND SHARE Positive aspects · brings people closer together · makes communication convenient and fun Leading in ACTIVATE AND SHARE Negative aspects · makes people self-centred · have the risk of being cheated Vocabulary 1. harm do harm to = be harmful to 对……有害 mean no harm 无恶意 come to no harm 没有受到伤害/损害 do more harm than good 弊大于利 do no/ great harm to 对……无害/ 有很大害处 There is no harm in doing sth. 做某事无害。 harmful adj. 有害的 harmless adj. 无害的 练习：I won't do any ________ to you. harm Vocabulary 2. argument have an argument over/ about/ on sth. 就……展开讨论 argue with sb. about/ on/ over sth. 与某人就某事争吵/ 争辩 argue for/ against 据理力争/ 反对…… argue sb. into/ out of doing sth. 劝说某人做/ 不做某事 quarrel with sb. about/ over sth. 为某事和某人争吵 discuss sth. with sb. 和某人讨论某事 persuade sb. into/ out of doing sth. 劝阻某人做/ 不做某事 练习：There is a strong ______________ for the appeal. argument Vocabulary 3. replace replace sth. with/ by 用……替代；以……接替 replaceable adj. 可替换的；可替代的 irreplaceable adj. 不可替代的 replacement n. 替换；更换；替代品 take the place of 代替；取代 in place of (=in one's place) 代替 instead of 代替，而不是 练习：He will be difficult to __________ when he leaves. replace Vocabulary 4. concentrate concentrate sth. on (doing) sth. 将……致力于（做）…… concentrate one's attention on 致力于……；把注意力集中在…… concentrate on sth. 集中时间做某事；全神贯注于…… be absorbed in 全神贯注于 focus on 集中于 centre sth. on 将某物集中在 Vocabulary bury oneself in sth. 埋头于或专心致志于某物 fix one's eyes/ attention/ thoughts on 全神贯注于 devote… to…/ be devoted to 献身于，全身心地投入 spare no effort to do sth. 不遗余力地做某事 练习：We must ______________ our efforts on improving education. concentrate Vocabulary 5. content with content 满意地；满足地 be content to do sth. 心满意足/ 愿意做某事 content oneself with 用……使自己满意/ 满足 be/ feel content with 对……感到满意 be satisfied with 对……感到满意 be pleased with 对……感到满意 练习：The book is rich in ___________. content Vocabulary 6. particularly in particular (=particularly) 尤其；特别；格外 be particular about 对……挑剔/ 过分讲究 in every particular 在每个细节上 nothing in particular 没什么特别的 练习：We shouldn't look down on others, _____________ the disabled. particularly Vocabulary 7. opinion in one's opinion (=in one's view) 在某人看来 have a good opinion of 对……评价好 have a bad opinion of 对……评价不好 have a high opinion of 对……评价高 have a low opinion of 对……评价低 opinions on/ about/ of... 对……的看法 练习：The boss has a very high ___________ of her. opinion Vocabulary 8. response response n. 回答，回复 respond vi. 作回答；作出反应（常与to连用） responsible adj. 有责任的，有义务的，可信赖的 responsibility n. 责任，负责 responsibly adv. 明事理地；认真负责地 练习：They made no ___________ to my call for help. response READ AND EXPLORE Read the first blog post "The Internet Harms Friendships". Underline the general idea and the topic sentence for each argument. general idea topic sentence READ AND EXPLORE Skill Builder Identifying Topic Sentences and Supporting Details A topic sentence states the general idea or the main point of a text or paragraph. Supporting details give more information about that topic. Read the text to get the general idea. Identify one sentence for each argument that states this general idea. This is the topic sentence. Read the text again. Look for extra information that supports the tropic sentence, e.g. examples, reasons. These are the supporting details. READ AND EXPLORE general idea Argument 1 Argument 2 Argument 3 While the Internet can bring people closer together, it can also harm friendships. Firstly, talking online is no replacement for face-to-face contact. Thirdly, online relationships may not be what they appear to be. Secondly, the Internet can make people self-centred. The topic sentence for each argument: READ AND EXPLORE Read the first blog post again. Complete the information on the left side of the diagram. READ AND EXPLORE Read the first blog post again. Complete the information on the left side of the diagram. Negative aspects Argument 1 Topic sentence: Firstly, talking online is no replacement for face-to-face contact. Supporting details: Images really cannot replace a real-life smile or hug. Communicating through a screen makes it more difficult for children to concentrate or show kindness to others. READ AND EXPLORE Read the first blog post again. Complete the information on the left side of the diagram. Negative aspects Argument 2 Topic sentence: Secondly, the Internet can make people self-centred. Supporting details: Instead of having proper conversations with their friends, some people are only concerned with their online popularity. In addition, a lot of the content posted on social media is shallow or trivial. READ AND EXPLORE Read the first blog post again. Complete the information on the left side of the diagram. Negative aspects Argument 3 Topic sentence: Thirdly, Online relationships may not be what they appear to be. Supporting details: Friendships are built on the basis of trust, and with online communication you can never be 100 percent sure that the people you are chatting to is being honest about who they are. READ AND EXPLORE Read the first blog post again. Complete the information on the left side of the diagram. Conclusion Friends should focus more on face-to-face communication, and less on online communication, which is the best way to maintain healthy relationships. READ AND EXPLORE Read the second blog post "The Internet Helps Friendships". Complete the information on the right side of the diagram in Activity 3. Argument 1 Topic sentence: Firstly, the Internet makes communication much more convenient. Supporting details: You can stay in touch with friends no matter where you are or what you are doing. Positive aspects READ AND EXPLORE Read the second blog post "The Internet Helps Friendships". Complete the information on the right side of the diagram in Activity 3. Argument 2 Topic sentence: Secondly, the Internet has also made communication more fun. Supporting details: You can share photos, videos, news stories and websites with your friends online. Positive aspects READ AND EXPLORE Read the second blog post "The Internet Helps Friendships". Complete the information on the right side of the diagram in Activity 3. Argument 3 Topic sentence: Thirdly, online communication can actually bring people closer to each other. Supporting details: Whenever someone needs help, friends from all over the world can immediately provide useful suggestions or information. This makes friends feel loved and cared for. Positive aspects READ AND EXPLORE Conclusion The Internet brings people closer together and makes communication with friends more convenient and interesting. Read the second blog post "The Internet Helps Friendships". Complete the information on the right side of the diagram in Activity 3. READ AND EXPLORE What is the text type of the passage? A. Narration(记叙文)． B. Argumentative essay(议论文)． C. Expository writing(说明文). D. Practical writing(应用文)． √ READ AND EXPLORE Argument 1 Supporting details Conclusion main idea Argument 2 Argument 3 Supporting details Supporting details The basic structure of Argumentation READ AND EXPLORE Group Work Choose one position. Each member of the group presents one argument to support your position based on the notes taken. Thank you $$