B
Staying Safe in Our Online World
The internet helps us do many things. We can study, connect with friends, and explore new interests on it. We share happy moments and shop online, too. But sometimes, small mistakes can cause big problems. So it is important for everyone to understand online safety rules. Here are three key tips to protect yourself.
· Think Twice Before Sharing
Once you share something online, it is hard to know who sees it. Always remember: Don't talk about things you may regret. Never share others' photos or other personal information without permission(许可). Your posts create a "digital footprint(足迹)". Future schools or employers(雇主)might see it!
· Protect Your Personal Information
Be careful about sharing where you are right now or your home address. For example, if you post "Shopping alone at City Mall!" with a location(地点)tag(标记), lots of people including strangers might see it. ▲ Even "fun" posts like vacation photos can tell thieves(小偷)nobody is home. So, think carefully before adding location tags or sharing private information.
· Lock Your Digital Doors
Create passwords with capital letters + small letters + numbers + symbols, for example, "Sun! 2025@rise". Never use easy passwords like birthdays. Add extra safety: Turn on "two-step verification(双重验证)" for emails or other social apps. It's like a second lock!
The internet is a useful but powerful tool. If we are careful enough, we can enjoy ourselves on it!
根据材料内容选择最佳答案。
()6. What does the underlined words "digital footprint" mean?
A. A physical mark left on your feet by using digital products.
B. A record of a person's online activities and posts.
C. A type of online game about making footprints.
D. A permission to share personal information online.
()7. Which action is dangerous according to Tip 2?
A. Messaging friends while traveling.
B. Shopping online when you are at home.
C. Posting photos of studying at home.
D. Sharing location while alone.
()8. Which sentence can be put in ▲?
A. Location tags help you meet friends.
B. Malls are exciting places to visit.
C. This puts yourself in danger easily.
D. Everyone posts their own photos nowadays.
()9. Which password is the weakest?
A. 8#Forest@ Run.
B. PizzaFriday! 7.
C. Liuwei20150328.
D. K! te FlyHigh.
()10. What is the main purpose of the text?
A. To sell internet tools.
B. To inform online safety rules.
C. To report some unsafe cases.
D. To show some useful social media.

6. B
7. D 由第二条建议核心“保护个人信息，谨慎分享位置”可知，独自在外时分享定位是非常危险的一个行为。
8. C 联系上文可知，独自在外并发布自己的定位，且陌生人都可以看见，这很容易使自己处于危险境地。
9. C 由文中建议可知密码设置需包含“大写字母+小写字母+数字+符号”，且最好不要用生日等简单信息，而 C 选项由姓名和生日组成，故此组密码安全性最低。
10. B 通读全文可知，本文讲述了如何安全上网。

【解析】
6. 根据文中“Your posts create a 'digital footprint(足迹)'. Future schools or employers(雇主)might see it!”可知，"digital footprint"指的是一个人在网上的活动和帖子记录，故选B。
7. 根据第二条建议中“Be careful about sharing where you are right now or your home address. For example, if you post 'Shopping alone at City Mall!' with a location(地点)tag(标记), lots of people including strangers might see it.”，独自在外时分享位置会让陌生人获取信息，是危险行为，故选D。
8. 前文提到独自在外发布带定位的动态会被陌生人看到，后文指出度假照片会泄露家中无人的信息，空格处应衔接说明这种行为的危险性，“This puts yourself in danger easily.”符合语境，故选C。
9. 文中建议密码需包含大写字母+小写字母+数字+符号，且避免使用生日等简单信息，C选项“Liuwei20150328”由姓名和生日组成，无符号且大小写单一，安全性最低，故选C。
10. 文章开头点明要了解网络安全规则，随后给出三个保护自己的关键建议，全文目的是告知读者网络安全规则，故选B。
【答案】
6. B；7. D；8. C；9. C；10. B
【知识点】
词义猜测题、细节理解题、主旨大意题
【点评】
本文围绕网络安全主题展开，通过三个实用的上网安全建议，考查学生对文章细节的捕捉、词义的推测及主旨的归纳能力，内容贴近生活，既能提升学生解题能力，也能帮助学生掌握网络安全知识。
【难度系数】
0.6