Unit 2 课时4 Lesson 3 (课件)英语北师大版八年级上册

Better safe than sorry:Safe surfing 英语北师大版2024八年级上册 Lesson 3 阅读课 Learning Aims 掌握网络安全及通用英语词汇含义、用法，理解课文安全上网建议与结构，学会不定代词语法知识 。（学习理解） 01 能够用所学词汇、语法完成对话、阅读练习，借采访等活动练口语。（应用实践） 02 能够迁移知识应对实际网络安全场景，运用所学创作新对话或短文；结合课文结构，仿写安全使用 APP等主题，提高英语运用能力。（迁移创新） 03 Contents Leading in 1 Pre-reading 2 While-reading 3 Post-reading 4 Summary 5 Language points 6 Exercises 7 Homework 8 01. Leading in 上网 Activity 1 What is he doing ? He is surfing on the sea. Do you know another kind of surfing? Surfing on the Internet. Do you think it is always safe to use the internet? Do you know any internet dangers and problems? Let’s talk about the internet dangers and problems. tell lies/cheat you hackers viruses strangers online bullying steal personal information 02. Pre-reading Skill Builder Using subheadings A subheading in a text tells the reader the main point of one or several paragraphs. It is often eye- catching and easy to read. Activity 2 Read the text. Match the subheadings below (A-D) to the paragraphs (2-5). C Make things difficult for hackers Tips1 Para. 2 A Be careful about what you share Tips2 Para. 3 B Shop online safely Tips3 Para. 4 D Don't accept strangers as friends Tips4 Para. 5 Activity 3 It is often eye-catching and easy to read. It is the main idea of the following paragraph. What’s the subheading ? Opening paragraph subheading Main idea of the paragraph: Learn to stay safe online from four aspects. 03. While-reading Tip 1(Para.2) Read Tip 1(para. 2) and see the video, then answer questions. Tip 1(Para.2) has ; includ both and , and a few special marks; numbers aren’t related to ; tell what your password is!. Because hackers can easily guess them. 1.Don't use like ‘1234’. 2. Why can’t we use 1234 as password? 3. What should the passwords be like? passwords simple 8-20 characters small numbers your personal information no one capital letters Tip 2(para. 3) Read Tip 2(para. 2) and see the video, then answer questions. Tip 2(para. 3) Read Tip 2(para. 2) and see the video, then answer questions. 1. ______ share on social media. Never To use a nickname instead of your real one, and don’t post photos of your face. 3.Don’t give , to people you don’t know. 2. What is a good idea for us to protect our information ? your phone number other private information personal information Tip 3(para. 4) Read Tip 3(para.4), then answer questions. 1.Where should you shop online? If you click on one of them, you may accidentally download a virus onto your computer or phone. Main idea: Be careful when you shop online Only shop on safe websites. 2. What might happen if you click on online ads?? online friends Tip 4(para. 5) Read Tip 4(para.5), then answer questions. 2.（ ）We can meet online friends alone anywhere. 1.We should be careful with ___ __ _,and some of them may hide their real names and purposes. 3. （ ）It's better to spend time with real - life friends according to the text. online friends F T 指人：no one（没人 ）、someone（某人 ）、anyone（任何人 ） Sentences Study the bold words in the sentences carefully.. Tell no one what your password is.( ) 2.Someone might use the information in the wrong way.( ) 3.Some may hide their real names and purposes.( ) 4.Never meet anyone from the internet anywhere.( ) 5.Is there anything to eat? I'm hungry( ) refer to peolple refer to peolple refer to peolple refer to peolple refer to things 指人：no one（没人 ）、someone（某人 ）、anyone（任何人 ）some (一些人) 指物：anything（任何东西 ）some(一些物) no one、anyone 常用于否定语境 04. Post-reading Read for the table Fill in the table with the words from this passage. Tips Do Don’t Make things . make sure your password has __ ______, including ________ use simple passwords like ________ use numbers related to ________ , tell anyone _____ ___ ______ use ________ share . .________ shop . click on . ______ ________ ________ difficult for hackers Be careful about what you share Don’t accept strangers as friends Shop online safely 8 - 20 characters both small and capital letters, numbers, and a few special marks. 1234 your personal information what your password is a nickname private information  safe websites. advertisements meet anyone from the internet meet or real-life friends In groups, act out an interview Interview In groups, act out an interview. 1.Do you think it is always safe to use the internet? 2.Do you know any internet dangers and problems? 3.How can we protect our personal information from being stolen? 4.What can happen if we share personal information on social media? 5.Why shouldn’t we click on advertisements? 6.Where can we shopping online? questions answers 1.Don't use any numbers related to your personal information 2.Never share personal information on social media. 3.Only shop on safe websites. 4.Never meet anyone from the internet. 5.If you click on one of them, you may accidentally download a virus onto your computer or phone. In groups, act out an interview Interview In groups, act out an interview. Do you think it is always safe to use the Internet? I don't think it's always safe to … Do you know any internet dangers and problems? There are hackers that can steal your... How can…personal information from … Don't use any numbers …and never share… …… In groups, act out an interview New words 英文 音标 词性 中文 surf /sɜːf/ vt.；vt. & vi. 冲浪 hacker /ˈhækə/ n. 黑客 steal /stiːl/ vt. & vi. 偷，窃取 virus /ˈvaɪrəs/ n. 病毒 cheat /tʃiːt/ vt.；vi. 欺骗 stranger /ˈstreɪndʒə/ n. 陌生人 online /ˌɒnˈlaɪn/ adj.；adv. 线上的 bully /ˈbʊli/ vt.；n. 恐吓 accept /əkˈsept/ vt. & vi. 收受 tool /tuːl/ n. 工具 In groups, act out an interview New words simple /ˈsɪmpl/ adj. 简单的 password /ˈpɑːswɜːd/ n. 密码 capital /ˈkæpɪtl/ adj.；n. 大写的 relate /rɪˈleɪt/ vt. 联系 social /ˈsəʊʃl/ adj. 社交的 media /ˈmiːdiə/ n. 大众传播媒介 might /maɪt/ modal v. 可能 nickname /ˈnɪkneɪm/ n. 绰号 real /ˈriːəl/ adj. 真实的 private /ˈpraɪvət/ adj. 私人的 website /ˈwebsaɪt/ n. 网站 advertisement /ədˈvɜːtɪsmənt/ n. 广告 In groups, act out an interview New words click /klɪk/ vt. & vi. 点击 accidentally /ˌæksɪˈdentəli/ adv. 意外地 download /ˈdaʊnləʊd/ vt. 下载 onto /ˈɒntu/ prep. 向，朝 anyone /ˈeniwʌn/ pron. 任何人 anywhere /ˈeniweə/ adv. 在任何地方 Eric: Let me just type in my 1 ______ for my email account, one, two... Amy: Well, your password is easy to guess! It is better to have 8 - 20 characters, and you shouldn't 2 ______, like your birthday. Eric: Yes, you're right. I also need to be careful when I 3 ______. Amy: That’s good. Also, don't 4 ______ advertisements. Eric: Sure. I don't want to 5 ______ onto my computer by accident! Amy: Right. Be careful about what you share too. You always post photos on 6 ______. That’s not safe. Eric: Hmmm... I’ll remember it and never 7 ______ strangers as friends. New words Complete the dialogue . password download a virus click on social media shop online accept use personal information Eric: Let me just type in my 1 for my email account, one, two... Amy: Well, your password is easy to guess! It is better to have 8 - 20 characters, and you shouldn't 2 , like your birthday. Eric: Yes, you're right. I also need to be careful when I 3 . Amy: That’s good. Also, don't 4 advertisements. Eric: Sure. I don't want to 5 onto my computer by accident! Amy: Right. Be careful about what you share too. You always post photos on 6 . That’s not safe. Eric: Hmmm... I’ll remember it and never 7 strangers as friends. password use personal information shop online click on download a virus social media accept 05. Summary Summary Safe surfing online ① Learn to stay safe online from four aspects. ② Indefinite pronouns Be careful about what you share Shop online safely Make things difficult for hackers Don't accept strangers as friends refer to people or things 06. Language points anyone pron. 任何人 常用于否定句、疑问句及条件句，指代不确定的 “某个人或所有人” 。someone用于肯定句 的区别；形容词后置anyone interesting。 Never meet anyone from the internet alone.绝不要单独和网上认识的任何人见面。 Is there anyone who can help me?有任何人能帮我吗？ ____ has left a message for you.（答案：Someone ，肯定句用 someone ） ；I don't want to talk to ____ about it.（答案：anyone ，否定句用 anyone ） anywhere adv. 在任何地方；无论何处 ， Language points anyone     pron. 任何人 常用于否定句、疑问句及条件句，指代不确定的“某个人或所有人” 。 someone用于肯定句 的区别；形容词后置anyone interesting。 Never meet anyone from the internet alone. 绝不要单独和网上认识的任何人见面. Is there anyone who can help me? 有任何人能帮我吗？ has left a message for you.someone I don't want to talk to about it. 词 练 讲 例 Someone anyone anyone pron. 任何人 常用于否定句、疑问句及条件句，指代不确定的 “某个人或所有人” 。someone用于肯定句 的区别；形容词后置anyone interesting。 Never meet anyone from the internet alone.绝不要单独和网上认识的任何人见面。 Is there anyone who can help me?有任何人能帮我吗？ ____ has left a message for you.（答案：Someone ，肯定句用 someone ） ；I don't want to talk to ____ about it.（答案：anyone ，否定句用 anyone ） anywhere adv. 在任何地方；无论何处 ， Language points anywhere adv. 在任何地方；无论何处 常用于否定句、疑问句，肯定句中常用 somewhere Don't share your private info anywhere online. 别在网上任何地方分享你的私人信息。 Did you go anywhere interesting last holiday? 你上个假期去了任何有趣的地方吗？ I can't find my phone somewhere.（改为否定句习惯表达 ） → I can't find my phone . 词 练 讲 例 anywhere anyone pron. 任何人 常用于否定句、疑问句及条件句，指代不确定的 “某个人或所有人” 。someone用于肯定句 的区别；形容词后置anyone interesting。 Never meet anyone from the internet alone.绝不要单独和网上认识的任何人见面。 Is there anyone who can help me?有任何人能帮我吗？ ____ has left a message for you.（答案：Someone ，肯定句用 someone ） ；I don't want to talk to ____ about it.（答案：anyone ，否定句用 anyone ） anywhere adv. 在任何地方；无论何处 ， Language points watch out 词：动词短语，密切注意；小心，当心， 常单独使用或接 for + 宾语（watch out for sth ） 。 Watch out for viruses when downloading files. 下载文件时小心病毒 。 Watch out! The link might be dangerous. 小心！这个链接可能危险 。 根据中文完成句子。上网时要小心虚假广告 。 → for fake advertisements when surfing online. 词 练 讲 例 Watch out anyone pron. 任何人 常用于否定句、疑问句及条件句，指代不确定的 “某个人或所有人” 。someone用于肯定句 的区别；形容词后置anyone interesting。 Never meet anyone from the internet alone.绝不要单独和网上认识的任何人见面。 Is there anyone who can help me?有任何人能帮我吗？ ____ has left a message for you.（答案：Someone ，肯定句用 someone ） ；I don't want to talk to ____ about it.（答案：anyone ，否定句用 anyone ） anywhere adv. 在任何地方；无论何处 ， Language points private adj. 私人的；私有的 常修饰 information（信息）life（生活）space（空间） 等名词 。 Protect your private information from hackers. 保护你的私人信息不被黑客获取。 It's rude to ask about others' private lives. 询问别人的私人生活是不礼貌的。 我们应该尊重每个人的私人空间 。 → We should respect everyone's space. 词 练 讲 例 private anyone pron. 任何人 常用于否定句、疑问句及条件句，指代不确定的 “某个人或所有人” 。someone用于肯定句 的区别；形容词后置anyone interesting。 Never meet anyone from the internet alone.绝不要单独和网上认识的任何人见面。 Is there anyone who can help me?有任何人能帮我吗？ ____ has left a message for you.（答案：Someone ，肯定句用 someone ） ；I don't want to talk to ____ about it.（答案：anyone ，否定句用 anyone ） anywhere adv. 在任何地方；无论何处 ， Language points acceptvt. & vi. 收受；接受；承认 ， 常接 礼物（gift ）朋友请求（friend request ）观点（opinion ） 等作宾语 。receive“收到，侧重动作，不强调是否愿意 Don't accept strangers as friends on social media. 别在网络社交媒体上接受陌生人加好友。 She accepted the gift with a smile. 她微笑着接受了礼物。 I a letter yesterday, but I won't ____ it because it's from a stranger. 词 练 讲 例 received accept 07. Exercises Exercises 单词拼写 1．It’s hard to go  (任何地方) without maps in a new place 2．He likes to (冲浪) in the sea on sunny days. 3．This writer is quite good at expressing her ideas in s  (简单的) language. 4．English is not only a language, but also a t  (工具) to know about other cultures. 5．If you have enough time and money, you can go (任何地方). anywhere surf imple ool anywhere 08Homework Homework 1.L3单词和短语背诵，并抄写2英1汉； 2.熟读课文，并完成课本最后一个练习题 板书设计 Safe surfing online ① Learn to stay safe online from four aspects. ② Indefinite pronouns Be careful about what you share Shop online safely Make things difficult for hackers Don't accept strangers as friends refer to people or things Thank you null 126097.555 Lavf58.20.100 Lavf58.20.100 $$