Unit 2 Safely- Lesson 3 同步练 2025-2026学年北师大版八年级英语上册

**基本信息** 初中英语Unit 2 Safety Lesson3同步练，通过基础到综合的分层设计，实现从词汇语法到语篇应用的知识巩固，适配新授课"基础夯实+能力进阶"需求，培养语言能力与思维品质。 **分层设计** |层次|知识覆盖|设计特色| |----|----------|----------| |基础认知|词汇辨析（anyone/someone）、情态动词（shouldn’t）|单项选择直接考查基础语法点，如固定句型"It’s dangerous to..."| |基础巩固|动词不定式（to make）、动名词（downloading）|词形填空强化语法规则应用，如"avoid doing"搭配| |信息获取|在线安全建议细节与主旨|阅读理解A通过短文考查安全知识获取，提升语篇理解能力| |综合应用|介词（in/on）、非谓语动词（to shop）|完形填空在安全规则语境中整合语法，实现知识综合运用| |语篇建构|逻辑衔接与语篇组织|七选五补全安全建议语篇，培养逻辑思维与语篇建构能力|

Unit 2 Safety ⭐Lesson3同步练 Ⅰ. 单项选择（10 小题，每题 2 分，共 20 分） 1. ____ might steal your personal information if you share it carelessly online. A. Anyone B. Someone C. No one D. Anything 2. You ____ set simple passwords like “1234”, because hackers can guess them easily. A. should B. shouldn’t C. need D. can 3. It’s dangerous ____ click on strange advertisements online, for you may download a virus. A. to B. for C. of D. in 4. Don’t accept ____ as your online friends if you don’t know their real information. A. something B. anyone C. no one D. everything 5. We need ____ long passwords with letters, numbers and special marks for safety. A. make B. to make C. making D. made 6. No one ____ your private phone number or birthday on social media. A. need know B. should know C. shouldn’t know D. needn’t know 7. You’d better shop only ____ safe official websites to stay away from online cheats. A. in B. at C. on D. for 8. Is there ____ important on your phone that you must protect from hackers? A. something B. anything C. nothing D. everything 9. Never meet online friends alone; ask your parents ____ go with you if necessary. A. to B. for C. with D. at 10. The more safety rules we learn for surfing, ____ safer we will be online. A. much B. more C. the more D. most Ⅱ. 用所给词适当形式填空（10 小题，每题 2 分，共 20 分） 1. It’s important ____ (make) hard passwords to stop hackers. 2. Someone may ____ (steal) your personal info when you post it online. 3. Don’t click on unknown ads to avoid ____ (download) a virus. 4. We shouldn’t ____ (accept) strangers as online friends easily. 5. ____ (shop) on unsafe websites brings lots of online risks. 6. No one ____ (know) your password for your Internet safety. 7. It’s a good idea ____ (use) a nickname instead of your real name. 8. Anyone ____ (hide) real names may cheat you on the Internet. 9. There isn’t ____ (something) wrong with this safe shopping website. 10. Staying away from strange links ____ (keep) our phones safe. Ⅲ. 阅读理解 A（4 小题，每题 3 分，共 12 分） Passage A The Internet brings convenience but also hidden dangers like hackers, computer viruses and bad strangers. Here are four practical online safety tips for teenagers. First, create difficult passwords. Good passwords are 8–20 characters long with uppercase, lowercase letters, numbers and special symbols. Never use easy numbers such as your birthday or “1234”, and never tell anyone your password. Second, keep your personal information private on social media. Use a nickname instead of your real name, and never publish your photos, phone number or home address online. Hackers may make bad use of these messages. Third, do online shopping only on trusted websites and stay away from unknown advertisements. Clicking random ads often leads to unexpected virus downloads on your mobile device. Fourth, refuse to meet online friends alone. Some net friends hide their real identity to cheat people. If you have to meet, take your parent or teacher with you. 1. What kind of password is safe according to the text? A. Simple numbers like 1234 B. Short birthday numbers C. Long passwords mixing letters, numbers and marks D. The same password for all websites 2. What should we use instead of real names online? A. Phone number B. Nickname C. Home address D. Birthday 3. What risk may clicking strange ads bring? A. Get free gifts online B. Download computer viruses C. Make new real-life friends D. Get safe shopping links 4. What is the main idea of the passage? A. Four useful safety suggestions for safe Internet surfing B. How to find interesting online games and videos C. The history of Internet hackers and computer viruses D. Ways to make more friends on social media platforms Ⅳ. 完形填空（10 小题，每题 2.5 分，共 25 分｜） Nowadays almost every student surfs online, but few pay attention to Internet safety. There are hackers, viruses and dishonest strangers 1____ the Internet world. Here are four rules to keep safe. We 2____ create hard passwords instead of easy ones. A safe password needs 8 to 20 letters, numbers and special signs. We mustn’t tell 3____ our password, even our best friends. We shouldn’t share private info on social media. Someone 4____ steal your phone number and birthday to cheat you, so it’s wise 5 ____use a nickname online. When we want 6____ online, only choose official trusted websites. Never click unknown advertisements, 7____ we may download harmful viruses by accident. Last, never accept unfamiliar strangers 8____ online friends and never meet them alone. If you really need to meet someone, ask your parent or teacher 9____ go together. The more safety tips we remember, 10____ fewer online problems we will face. 1. A. in B. on C. at D. for 2. A. shouldn’t B. mustn’t C. should D. can’t 3. A. anyone B. someone C. no one D. something 4. A. can B. need C. must D. should 5. A. to B. for C. in D. on 6. A. shop B. to shop C. shopping D. shopped 7. A. and B. but C. or D. so 8. A. as B. for C. with D. at 9. A. in B. to C. on D. of 10. A. the B. a C. an D. / Ⅴ. 七选五（5 小题，每题 4.6 分，共 23 分｜7 选 5，多余 2 项） Four key tips to surf the Internet safely Online world is full of fun as well as hidden dangers. Follow these four rules to protect yourself. 1____ ● Make difficult passwords to beat hackers Never use simple numbers for your account. Mix letters, numbers and special marks to make long passwords. 2____ Never tell your password to anybody around you. ● Protect your personal private data online 3____ Don’t post your real photos, telephone number or home address on social apps, or hackers may steal your information. ● Do online shopping on legal sites only Keep away from all pop-up advertisements. 4____ Unexpected viruses will get into your phone once you click them. ● Be careful with your online friends Some strangers hide their real purpose to cheat teenagers online. 5____ If you have to meet online friends, take your parents along with you. A. Here are four helpful online safety suggestions. B. It’s better to use a nickname instead of your real name. C. Never click random ads when you are shopping online. D. You can set your birthday as your usual website password. E. Don’t easily accept strangers to be your online friends. F. Feel free to share all your personal details with net friends. G. Simple passwords like “123456” are easy for hackers to guess. 参考答案 Ⅰ. 单项选择 1.B 2.B 3.A 4.B 5.B 6.B 7.C 8.B 9.A 10.C Ⅱ. 词形填空 1.to make 2.steal 3.downloading 4.accept 5.Shopping 6.knows 7.to use 8.hiding 9.anything 10.keeps Ⅲ. 阅读理解 A 1.C 2.B 3.B 4.A Ⅳ. 完形填空 1.A 2.C 3.A 4.A 5.A 6.B 7.C 8.A 9.B 10.A Ⅴ. 七选五 1.A 2.G 3.B 4.C 5.E 学科网（北京）股份有限公司 $