资源简介

中小学教育资源及组卷应用平台
Unit 2 Safety
Being Safe Online
完成本课学习后，学生能够：
1. 理解网络安全的重要性
· 能够解释为什么学习安全上网很重要；
2. 保护个人信息
· 能够说出保护个人信息的基本方法；
· 理解隐私设置的作用；
· 知道网络信息一旦发布难以完全删除；
3. 辨别网络信息真伪
· 能够运用批判性思维分析信息来源；
· 能够区分专家和陌生人发布的信息；
4. 识别并应对网络霸凌
· 能够描述什么是网络霸凌；
· 能够运用“忽视、屏蔽、删除”三步法应对；
· 知道在受威胁时寻求成年人帮助；
5. 养成安全的网络行为习惯
· 谨慎对待点击链接和打开附件；
· 友善对待他人，不参与网络霸凌；
· 将网络安全知识应用到日常上网中。
一、词汇
· personal (adj.) 个人的
· post (v.) 发布
· virus (n.) 病毒
· source (n.) 来源
· stranger (n.) 陌生人
· expert (n.) 专家
· cyberbullying (n.) 网络霸凌
· hurtful (adj.) 伤人的
· lie (n.) 谎言
· private (adj.) 私人的
· impact (n.) 影响
· trusted (adj.) 可信赖的
· threaten (v.) 威胁
· critically (adv.) 批判性地
二、短语
· social media 社交媒体
· privacy settings 隐私设置
· against one’s will 违背某人的意愿
· get rid of 摆脱，删除
· click a link 点击链接
· open an attachment 打开附件
· consider the source 考虑来源
· deal with 处理
· ignore, block, and delete 忽视、屏蔽和删除
· a trusted adult 可信赖的成年人
· think critically 批判性思考
· be kind to others 善待他人
三、句型
· Technology can be good or bad.
技术可以是好的，也可以是坏的。
· That’s why learning to be safe online is so important!
这就是为什么学习安全上网如此重要！
· Without the right privacy settings, they can be used by dangerous people.
没有正确的隐私设置，它们可能会被危险的人利用。
· Once it’s online, it's nearly impossible to get rid of it completely.
一旦上传到网上，几乎不可能完全删除它。
· If you click a link or open an attachment, it can be something dangerous for your computer. 如果你点击链接或打开附件，可能会对你的电脑造成危险。
· You must consider the source of the information you are reading.
你必须考虑你所阅读信息的来源。
· Sending hurtful messages, spreading lies, sharing private photos... these have a huge impact on the victim.
发送伤人的信息、传播谎言、分享私密照片……这些对受害者有巨大影响。
· The best way to deal with cyberbullying is to ignore, block, and delete.
处理网络霸凌的最佳方法是忽视、屏蔽和删除。
· Telling a trusted adult is also important. 告诉可信赖的成年人也很重要。
· Think critically about everything you see online.
批判性地思考你在网上看到的一切。
· Be kind to others.
善待他人。
四、语法
1. 情态动词
· can 表示可能性或能力：Technology can be good or bad.
· must 表示必要性：You must consider the source.
· could 表示可能性（较委婉）：Everything you post could be taken.
2. 被动语态
· 结构：be + 过去分词
· 例：They can be used by dangerous people.
· 例：Everything you post could be taken.
3. 动名词作主语
· 动词-ing形式作主语，表示一般行为
· 例：Learning to be safe online is important.
· 例：Sending hurtful messages is easy.
4. 条件状语从句
· if引导的条件句
· 例：If you click a link, it can be dangerous.
· 例：If someone is threatening you, tell a trusted adult.
5. 祈使句
· 用于给出建议或指令
· 例：Be careful with your information.
· 例：Think critically.
· 例：Be kind to others.
6. 形容词比较级和最高级
· 例：The best way to deal with cyberbullying is...
课堂小练
词汇填空（用方框内单词的正确形式填空）
privacy source cyberbullying virus attachment online Ignore block delete hurtful trusted expert
1. Always check the ___________ of the information before you believe it.
2. If you receive a strange email, don't open the ___________ — it might have a ___________.
3. ___________ is when someone bullies others on the Internet.
4. You should set your ___________ settings to make sure only your friends can see your photos.
5. When someone sends you ___________ messages, the best way is to ___________, ___________, and ___________ them.
6. If you are in trouble ___________ , tell a ___________ adult.
7. An ___________ in the field can give you useful advice.
II. 句型转换（根据要求改写句子）
1. You should be careful with your personal information. (改为祈使句)
→ ___________ careful with your personal information.
2. Dangerous people can use your photos without the right privacy settings. (改为被动语态)
→ Your photos ___________ ___________ ___________ by dangerous people without the right privacy settings.
3. You must consider the source of the information. (对划线部分提问)
→ ___________ must you ___________
4. Sending hurtful messages is easy. (用it作形式主语改写)
→ ___________ ___________ easy ___________ send hurtful messages.
5. “I will tell a trusted adult if someone threatens me,”said Lucy. (改为间接引语)
→ Lucy said that ___________ ___________ tell a trusted adult if someone ___________ her.
III. 语法专项练习
A. 用情态动词 can, could, must, should, shouldn’t 填空
1. You ___________ be careful when you meet strangers online.
2. Once you post a photo, it ___________ be copied and shared by others.
3. You ___________ open attachments from unknown senders — it's dangerous.
4. To stay safe, we ___________ think critically about everything we see online.
5. Cyberbullying ___________ have a huge impact on the victim.
6. If someone threatens you, you ___________ tell a trusted adult.
B. 将下列句子改为被动语态
1. Someone can steal your personal information online.
→ Your personal information ___________ ___________ ___________ online.
2. Dangerous people might use your photos.
→ Your photos ___________ ___________ ___________ by dangerous people.
3. You should not share private photos with strangers.
→ Private photos ___________ ___________ ___________ with strangers.
C. 用所给动词的适当形式填空（动名词或不定式）
1. ___________ (learn) to be safe online is very important.
2. The Internet makes ___________ (find) information easy.
3. It's not good ___________ (spread) lies about others.
4. ___________ (tell) a trusted adult is the right thing to do.
5. Be careful ___________ (not click) on strange links.
IV. 书面表达（二选一）
任务一：写一段安全建议
题目(Title): Tips for Staying Safe Online
写一篇短文，给出如何安全上网的建议。利用课文中的信息和你自己的想法。写作框架：
Part Content Prompts
Introduction Why is online safety important
Tips What should/shouldn't you do (personal info, links, cyberbullying, etc.)
Conclusion What can you do to stay safe
任务二：写一封建议信
题目(Title): An E-mail to Tom About Online Safety
假如你的朋友Tom刚开始使用互联网。请给他发一封邮件，给出如何安全上网的建议。写作框架：
Part Content Prompts
Greeting Hi,Tom!
Why you’re writing I heard you’re using the Internet now. I want to give you some tips.
Advice What should/shouldn't you do (privacy settings, links, cyberbullying, etc.)
Closing Stay safe online! / Love, ...
参考答案
I. 词汇填空
1. source 2. attachment; virus 3. Cyberbullying 4. privacy
5. hurtful; ignore; block; delete 6. online; trusted 7. expert
II. 句型转换
1. Be 2. can be used 3. What; consider 4. It is; to 5. she would; threatened
III. 语法专项练习
A. 1. should/must 2. can/could 3. shouldn’t 4. should/must 5. can
6. should/must
B. 1. can be stolen 2. might be used 3. should not be shared
C. 1. Learning 2. finding 3. to spread 4. Telling 5. not to click
IV. 书面表达（范文）
任务一：Tips for Staying Safe Online
Staying safe online is very important because there are many dangers on the Internet. First, you should protect your personal information. Don't share your address or phone number with strangers. Second, never click on strange links or open attachments from unknown people — they may contain viruses. Third, if someone sends you hurtful messages, don't reply. Just ignore, block, and delete them. Also, tell a trusted adult if you feel threatened. Finally, always think critically about what you see online. Not everything is true. Follow these tips, and you can enjoy the Internet safely.
任务二：An E-mail to Tom About Online Safety
Hi, Tom!
I heard you're using the Internet now. I want to give you some tips to stay safe. First, never share your personal information online. Set your privacy settings so only friends can see your posts. Second, don't click on strange links or open attachments — they might have viruses. If someone is mean to you online, just ignore, block, and delete them. And always tell a trusted adult if something worries you.
Stay safe online!
Love,
_____
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