仁爱版八下英语 Unit10《World in the Cloud》同步练习（含听力、听力脚本及答案）

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仁爱版八下英语 Unit10《World in the Cloud》同步练习模块一：课后分层巩固练习（建议用时 60 分钟）一、词汇夯实基础层根据句意及首字母或汉语提示完成单词1.We can ____ (搜索) for useful information on the internet when we have questions.2.She likes to ____ (分享) videos of her daily life on social media with friends.3.You need to ____ (开设账户) at the bank before you can use online banking.4.Many students ____ (参加在线课程) to improve their skills in their free time.5.He plans to ____ (预订机票) online for his summer trip to Beijing.6.I want to ____ (下载) some beautiful pictures of mountains to use as wallpapers.7.The internet ____ (连接) was cut off suddenly when I was playing online games.8.It's important to protect your ____ (个人的) information when surfing the internet.9.Some people send ____ (有害的) messages online, which is not allowed.10.The first electronic computer was so big that it ____ (占据) a whole room.11.Laptops are ____ (便携的), so we can take them to study anywhere.12.Don't believe those who ____ (欺骗) others on the internet for money.13.Playing internet games for too long will ____ (分散) you from your study.14.The internet has ____ (改变) the way we communicate with each other.15.We can ____ (发送) emails to our friends and relatives quickly via the internet.16.This website provides a lot of ____ (有用的) resources for English learners.17.He spent two hours ____ (浏览) the internet to find the right answer.18.The ____ (发明) of the computer has greatly promoted the development of the internet.19.You should be ____ (小心的) when making friends with strangers online.20.The internet makes our life more ____ (方便的) and colorful.提高层用括号内所给单词的适当形式填空，完成下列句子1.My brother enjoys ____ (chat) with his classmates on the internet after school.2.The internet ____ (make) it easier for people to shop without going out.3.We must avoid ____ (share) our personal information with unknown websites.4.The first electronic computer ____ (invent) in America in 1946.5.She was ____ (surprise) to find that her favorite singer replied to her message online.6.____ (use) the internet properly can help us improve our study efficiency.7.Some young people waste too much time ____ (play) internet games every day.8.The ____ (develop) of the internet has brought great changes to our life.9.We should learn how ____ (protect) ourselves when using the internet.10.He is interested in ____ (search) for information about space on the internet.拓展层围绕 “互联网应用” 主题，根据短文内容及首字母提示，填写所缺单词The internet has become an important part of our daily life. We can do many things online. For example, we can b____（1） tickets for trains or planes, which saves us a lot of time. We can also take o____（2） courses to learn new skills at home. When we feel bored, we can listen to music or watch movies online to relax. The internet also helps us c____（3） with people far away easily. However, we must be careful. Some bad people may s____（4） our personal information or cheat us online. So we should use the internet wisely and remember to protect ourselves. Only in this way can we enjoy the benefits of the internet and a____（5） its risks.二、语法攻坚规则回顾过去进行时：表示过去某个时间正在进行的动作，结构为 “主语 + was/were + 动词-ing 形式”，常与 when, while 等引导的时间状语从句连用。情态动词 can/could/may/must 表能力、许可、可能性或义务：can/could：表能力（could 为 can 的过去式）、许可；may：表许可、可能性；must：表必须、义务。基础应用1.用过去进行时填空① While my mother ____ (cook) dinner, I ____ (surf) the internet for study materials.② When the teacher came into the classroom, the students ____ (discuss) a question online.③ He ____ (not use) the computer at 8 last night; he ____ (read) a book.④ What ____ you ____ (do) online when the internet connection stopped?⑤ They ____ (chat) with their foreign friends online when the rain started.2.用 can/could/may/must 填空① We ____ use the internet to search for information quickly.② You ____ not tell your password to strangers online. It's dangerous.③ ____ I download these pictures for my school project?④ He ____ speak English well, so he ____ communicate with foreign teachers online easily.⑤ We ____ be careful when shopping online to avoid being cheated.语境综合阅读下面短文，用括号内所给单词的适当形式填空Last Saturday evening, my family and I were doing different things while the internet was working well. My father ____（1） (watch) a football match online. My mother ____（2） (shop) for clothes on an e-commerce website. My sister ____（3） (take) an online painting course. I ____（4） (search) for information about endangered animals for my homework. Suddenly, the internet connection ____（5） (stop). We all felt a little disappointed. My father said we ____（6） (read) books instead. But after ten minutes, the connection was back. We ____（7） (continue) our online activities happily. However, my mother told us that we ____（8） (not spend) too much time online. She said we ____（9） (go) out for a walk the next day to relax. We agreed with her because we knew that although the internet is useful, we ____（10） (use) it properly.错题诊断选择正确答案，并说明其它选项的错误原因1.While Tom ____ online, his mother called him for dinner.A. surfs B. surfed C. was surfing D. is surfing错误原因分析：____2.We ____ protect our personal information when using the internet.A. can B. may C. must D. could错误原因分析：____3.What ____ you ____ when the internet suddenly stopped working?A. do; do B. were; doing C. did; do D. are; doing错误原因分析：____4.You ____ not cheat others on the internet. It's against the law.A. must B. may C. can D. could错误原因分析：____5.The first laptop ____ in 1981, and it ____ much more portable than the first electronic computer.A. appeared; was B. was appeared; is C. appears; was D. appeared; is错误原因分析：____三、阅读提升阅读下面短文，完成相关任务The Internet: A Double-Edged SwordThe internet is like a double-edged sword. It brings us a lot of convenience and benefits, but it also has some negative effects. We need to use it wisely to make the most of its advantages.On the positive side, the internet makes our life more convenient. We can do shopping online without going out of our homes. We can buy food, clothes, books and many other things with just a few clicks. The internet also helps us study better. Students can take online courses to learn from famous teachers all over the world. They can search for study materials, ask questions on educational websites and even discuss problems with classmates online. In addition, the internet makes communication easier. We can chat with friends and relatives who live far away through video calls, send emails or share moments on social media.On the negative side, the internet has some risks. Some people use the internet to do bad things, such as stealing personal information, spreading false news or cheating others. For young people, spending too much time playing internet games or surfing the internet can affect their study and health. It may lead to poor grades, eye problems and lack of sleep. Moreover, some bad content on the internet, such as violent or unhealthy videos, can have a bad influence on teenagers' growth.In conclusion, the internet is a powerful tool that changes our life greatly. We should use it in a proper way. We should take advantage of its benefits to study and work better, and at the same time, we should be aware of its risks and protect ourselves from being harmed.细节理解根据短文内容，选择最佳答案（ ）1. What does the writer compare the internet to?A. A book.B. A sword with two edges.C. A teacher.D. A friend.（ ）2. Which of the following is NOT a benefit of the internet?A. Doing online shopping.B. Taking online courses.C. Spreading false news.D. Communicating with people far away.（ ）3. What problem may young people face if they spend too much time online?A. Better grades.B. Good health.C. Eye problems.D. More friends.（ ）4. How can we use the internet properly?A. Ignore the risks of the internet.B. Spend as much time as possible online.C. Use it to study and work, and protect ourselves.D. Believe all the information online.（ ）5. What is the main idea of the passage?A. The internet has only advantages.B. The internet has only disadvantages.C. The internet is a double-edged sword and we should use it wisely.D. Young people should not use the internet.推理判断根据短文内容，回答下列问题1.Why does the writer say the internet makes communication easier?2.What can we infer from the passage about the bad content on the internet?主题概括用 50 词左右概括短文主旨四、写作热身句型积累仿照示例，用下列句型造句1.While/When + 从句（过去进行时）, 主句（一般过去时）.（过去进行时的时间状语从句）示例：While I was surfing the internet, my phone rang.造句：2.not only...but also...（不仅…… 而且……）示例：The internet not only brings convenience but also helps us study better.造句：3.It is + adj. + to do sth.（做某事是…… 的）示例：It is important to protect our personal information online.造句：4.We can... by doing sth.（我们可以通过做某事来……）示例：We can improve our English by taking online courses.造句：5.Although..., we should...（尽管……，我们还是应该……）示例：Although the internet is useful, we should not spend too much time on it.造句：片段写作请以 “My Views on the Internet” 为题，写一段 100 词左右的短文，介绍你对互联网的看法，包括其优势、劣势及你的使用建议等模块二：单元标准化测试（建议用时 90 分钟）听力部分（25 分，约 20 分钟）第一节 短对话（每小题 1 分，共 5 分）听下面 5 段短对话，每段对话后有一个小题，从题中所给的 A、B、C 三个选项中选出最佳答案。每段对话读一遍（ ）1. What does the girl usually do on the internet?A. She downloads music.B. She takes online courses.C. She books tickets.（ ）2. Why does the boy think the internet is useful?A. It helps him find study materials quickly.B. It allows him to play games all day.C. It lets him chat with strangers.（ ）3. What problem did the girl have when using the internet?A. Her internet connection stopped.B. She couldn't find the website.C. She forgot her password.（ ）4. What does the teacher advise the students to do?A. Spend more time playing online games.B. Protect their personal information online.C. Share their passwords with friends.（ ）5. How does the boy usually communicate with his cousin in America?A. By making phone calls.B. By sending letters.C. By video calls online.第二节 长对话（每小题 2 分，共 12 分）听下面两段长对话，每段对话后有 3 个小题，从题中所给的 A、B、C 三个选项中选出最佳答案。每段对话读两遍第一段长对话（ ）6. What is the girl going to do this weekend?A. She is going to travel.B. She is going to study at home.C. She is going to visit her grandparents.（ ）7. How will she book the tickets?A. By phone.B. Online.C. At the station.（ ）8. What does the boy warn her to do?A. To take enough money.B. To book the tickets early.C. To be careful with her personal information when booking online.第二段长对话（ ）9. What is Tom's problem?A. He can't find useful information online.B. He spends too much time playing internet games.C. He doesn't know how to use the internet.（ ）10. What does Lucy advise Tom to do?A. To stop using the internet.B. To use the internet to study more.C. To play more internet games.（ ）11. What will Tom do from now on?A. He will take online courses.B. He will give up using the internet.C. He will ask his parents to buy him a new computer.第三节 短文理解（每小题 2 分，共 8 分）听下面一篇短文，短文后有 4 个小题，从题中所给的 A、B、C 三个选项中选出最佳答案。短文读两遍（ ）12. What is the短文 mainly about?A. The history of the internet.B. The advantages and disadvantages of the internet.C. How to invent the internet.（ ）13. How does the internet help students study?A. By letting them play games.B. By providing online courses and study materials.C. By allowing them to chat with friends.（ ）14. What is a disadvantage of the internet mentioned in the passage?A. It makes communication easier.B. It brings convenience to shopping.C. Some people use it to cheat others.（ ）15. What advice does the passage give us?A. To use the internet wisely.B. To stop using the internet.C. To spend all our time online.笔试部分（75 分，约 70 分钟）第一题 词汇运用（共 15 分）A）根据句意及首字母提示填空（每小题 1 分，共 5 分）1.We can s____ for information about different countries on the internet.2.It's necessary to p____ our personal information when surfing the internet.3.Many people like to s____ their life moments on social media.4.The internet has c____ the way we work and study greatly.5.You can d____ music and videos from the internet for free.B）用所给词的适当形式填空（每小题 1 分，共 5 分）1.My sister is interested in ____ (take) online courses to learn French.2.The ____ (invent) of the internet has made our life more convenient.3.We should avoid ____ (talk) to strangers online for safety.4.He spent two hours ____ (search) for the right answer on the internet.5.The internet ____ (make) it possible for us to shop at home.C）短语翻译（汉译英，每小题 1 分，共 5 分）1.搜索信息 ____2.在线购物 ____3.开设账户 ____4.保护个人信息 ____5.发送电子邮件 ____第二题 语法填空（共 15 分）A）单句语法填空（每小题 1 分，共 10 分）1.While my father ____ (watch) TV, I was surfing the internet.2.We ____ (must) be careful when using the internet to avoid being cheated.3.She ____ (download) some pictures when the internet connection stopped.4.The internet ____ (change) our life a lot since it was invented.5.You ____ (can) not spend too much time playing internet games.6.What ____ you ____ (do) online at this time yesterday?7.We can ____ (communicate) with people far away through the internet.8.The first personal computer ____ (appear) in 1971.9.It is important ____ (protect) our personal information online.10.He ____ (not use) the internet yesterday because his computer was broken.B）短文语法填空（每小题 1 分，共 5 分）The internet is an important part of our daily life. We can do many things online. For example, we can buy things, send emails and search for information. It ____（1） (make) our life easier and more fun. However, the internet also has some risks. Some people ____（2） (use) it to do bad things, such as stealing personal information. So we must ____（3） (be) careful when we get online. We should not share our passwords with others. We should also avoid ____（4） (visit) bad websites. If we use the internet wisely, it ____（5） (help) us a lot in our study and life.第三题 阅读理解（共 20 分）A）选择题（每小题 2 分，共 10 分）阅读下面短文，从题中所给的 A、B、C、D 四个选项中选出最佳答案。The Development of the InternetThe internet is one of the greatest inventions of the 20th century. It has a short but amazing history.In the 1960s, the United States Department of Defense developed a network called ARPANET. It was designed to connect military and academic computers. At first, only a few computers were connected to this network. In the 1980s, the internet began to be used by more people. Universities and research centers used it to share information. In the 1990s, the World Wide Web was invented, which made the internet easier to use. People could browse websites, send emails and do many other things online. Since then, the internet has developed rapidly.Today, the internet is everywhere. It is used in almost every field, such as education, business, medicine and entertainment. In education, students can take online courses and learn from teachers all over the world. In business, companies can do online marketing and sell their products to customers around the globe. In medicine, doctors can share medical information and discuss difficult cases online.However, the internet also faces some challenges. For example, network security is a big problem. Some people try to steal personal information or attack computer systems. In addition, the spread of false news online is another issue. We need to solve these problems to make the internet a safer and better place.（ ）1. When was ARPANET developed?A. In the 1960s.B. In the 1980s.C. In the 1990s.D. In the 21st century.（ ）2. What made the internet easier to use in the 1990s?A. The development of ARPANET.B. The invention of the World Wide Web.C. The increase in the number of computers.D. The use of the internet in universities.（ ）3. Which field is NOT mentioned as a user of the internet?A. Education.B. Business.C. Agriculture.D. Medicine.（ ）4. What is a challenge the internet faces?A. It is not used in many fields.B. It is difficult to connect to the internet.C. Network security problems.D. It is too expensive to use the internet.（ ）5. What is the main idea of the passage?A. The history of ARPANET.B. The invention of the World Wide Web.C. The development and challenges of the internet.D. The use of the internet in education.B）任务型阅读（每小题 2 分，共 10 分）阅读下面短文，根据短文内容完成下列任务。How the Internet Helps People in Different JobsThe internet is not only useful for students but also for people in different lines of work. It helps them work more efficiently and conveniently.Doctors can use the internet to share medical knowledge with other doctors. They can also search for the latest medical research and treatment methods. When they face difficult cases, they can discuss with experts from all over the world online. This helps them make better treatment plans for patients.Teachers can use the internet to prepare lessons. They can find a lot of teaching materials, such as videos, pictures and lesson plans, on educational websites. They can also take online courses to improve their teaching skills. In addition, teachers can communicate with students and parents through the internet. They can answer students' questions after class and share students' progress with parents.Business people can use the internet to do business online. They can set up online stores to sell their products to customers around the world. They can also use social media to promote their products and communicate with customers. The internet helps them save time and money on transportation and rent.Writers can use the internet to get inspiration. They can read articles and stories online to learn from other writers. They can also share their works with readers on literary websites and get feedback. This helps them improve their writing skills.任务一：根据短文内容，回答下列问题1.How can doctors benefit from the internet?2.What can teachers find on educational websites?任务二：根据短文内容，补全下列句子1.Business people can set up ____ to sell their products online.2.Writers can get ____ from the internet to improve their writing.任务三：根据短文内容，列举互联网对两种职业的帮助（除上述提到的外，可自行发挥）第四题 书面表达（25 分）假设你是李华，你的英国朋友 David 想了解互联网在中国人们日常生活中的应用。请你根据以下要点给他写一封电子邮件，介绍相关情况。要点：1.人们在互联网上常做的事情（如购物、学习、沟通等）；2.互联网带来的好处；3.使用互联网时需要注意的问题。要求：1.词数 120-150 词；2.条理清晰，语言通顺，语法正确；3.包含所有要点，可适当发挥。听力脚本模块二 单元标准化测试第一节 短对话1.M: What do you usually do on the internet?W: I usually take online courses to improve my English.2.W: Do you think the internet is useful?M: Yes. It helps me find study materials quickly when I do my homework.3.M: Why are you so upset?W: My internet connection stopped when I was booking train tickets online.4.M: What advice does our teacher give us about using the internet?W: She tells us to protect our personal information and not to share passwords with others.5.W: How do you usually communicate with your cousin in America?M: By video calls online. It's cheap and convenient.第二节 长对话第一段长对话W: I'm going to travel to Shanghai this weekend.M: That's great! How will you book the train tickets?W: I'll book them online. It's much easier than going to the station.M: Yes, but you should be careful with your personal information when booking online. Some bad people may steal it.W: Thank you for warning me. I'll remember that.M: You're welcome. Have a good trip!W: Thanks.第二段长对话W: Hi Tom, you look tired. What's wrong?M: Hi Lucy. I spent too much time playing internet games last night and didn't sleep well.W: Oh, that's not good. Playing too many games is bad for your health and study.M: I know, but I can't help it. The games are so interesting.W: You should use the internet to study more. For example, you can take online courses or search for study materials.M: That's a good idea. From now on, I'll try to use the internet in a proper way. I'll take online math courses because my math is not good.W: I believe you can do it.第三节 短文理解The internet is a great invention that brings a lot of benefits to our life, but it also has some disadvantages.On the one hand, the internet is very useful for students. They can take online courses to learn from famous teachers. They can also search for study materials and ask questions on educational websites. For people in different jobs, the internet helps them work more efficiently. Doctors can share medical information online, and business people can do online shopping.On the other hand, the internet has some problems. Some people use it to cheat others or steal personal information. Young people may waste too much time playing internet games, which affects their study and health.So, we should use the internet wisely. We should make good use of its advantages to study and work better, and at the same time, we should be careful to avoid its negative effects. Only in this way can we enjoy a better life with the internet.仁爱版八下英语 Unit10《World in the Cloud》单元同步练习答案及解析模块一：课后分层巩固练习一、词汇夯实基础层（答案）1.search 2. share 3. open an account 4. take online courses 5. book tickets 6.download 7. connection 8. personal 9. harmful 10. took up 11.portable 12. cheat 13. distract 14. changed 15. send 16.useful 17. browsing 18. invention 19. careful 20. convenient 提高层（答案+解析）1.chatting（enjoy 后接动名词，“喜欢和同学网上聊天”） 2.makes（主语 the internet 为第三人称单数，一般现在时表客观事实） 3.sharing（avoid 后接动名词，“避免分享个人信息”） 4.was invented（被动语态，“第一台电子计算机于1946年在美国被发明”） 5.surprised（主语为人，用 -ed 形容词“感到惊讶的”） 6.Using（动名词作主语，“正确使用互联网”） 7.playing（waste time doing sth. 固定搭配，“浪费时间玩网络游戏”） 8.development（the 后接名词“发展”，develop 为动词，变形为 development） 9.to protect（how to do sth. 固定结构，“学习如何保护自己”） 10.searching（be interested in 后接动名词，“对搜索太空相关信息感兴趣”） 拓展层（答案）1.book（预订，book tickets“预订车票/机票”） 2.online（在线的，take online courses“参加在线课程”） 3.communicate（沟通，communicate with“与……沟通”） 4.steal（窃取，steal personal information“窃取个人信息”） 5.avoid（避免，avoid its risks“规避其风险”） 二、语法攻坚基础应用1.过去进行时填空（答案） ① was cooking; was surfing（while 引导的从句和主句均用过去进行时，“妈妈做饭时，我在网上找学习资料”） ② were discussing（when 引导的从句用一般过去时，主句用过去进行时，“老师进教室时，学生们正在网上讨论问题”） ③ wasn't using; was reading（at 8 last night 提示用过去进行时，“昨晚8点他没在用电脑，在看书”） ④ were; doing（过去进行时特殊疑问句，“断网时你正在网上做什么”） ⑤ were chatting（when 引导的从句用一般过去时，主句用过去进行时，“下雨时他们正在网上和外国朋友聊天”） 2.can/could/may/must 填空（答案） ① can（表能力，“我们可以用互联网快速搜索信息”） ② must（表义务，“禁止把密码告诉网上陌生人，很危险”） ③ May（表许可，“我可以下载这些图片用于学校项目吗”） ④ can; can（表能力，“他英语说得好，能轻松和外教网上沟通”） ⑤ must（表义务，“网上购物时必须小心，避免被骗”） 语境综合（答案）1.was watching（过去进行时，“爸爸正在网上看足球赛”） 2.was shopping（过去进行时，“妈妈正在电商网站购物”） 3.was taking（过去进行时，“姐姐正在上在线绘画课”） 4.was searching（过去进行时，“我正在搜索濒危动物相关信息”） 5.stopped（一般过去时，“互联网突然断开”） 6.could read（表建议，“爸爸说我们可以看书代替”） 7.continued（一般过去时，“重新联网后继续在线活动”） 8.shouldn't spend（表建议，“不应该花太多时间上网”） 9.would go（表将来的计划，“第二天会出去散步”） 10.should use（表义务，“应该正确使用互联网”） 错题诊断（答案+错误原因）1.C（was surfing） 错误原因：while 引导的时间状语从句需用进行时，主句为一般过去时，从句用过去进行时；A 为一般现在时，B 为一般过去时，D 为现在进行时，均不符合时态搭配。 2.C（must） 错误原因：句意“使用互联网时我们必须保护个人信息”，表义务；A 表能力，B 表许可，D 表过去能力，均不符合语义。 3.B（were; doing） 错误原因：when 引导的从句用一般过去时，主句需用过去进行时表“当时正在做的事”；A 为一般现在时，C 为一般过去时，D 为现在进行时，均不符合时态规则。 4.A（must） 错误原因：句意“你绝不能在网上欺骗他人，这是违法的”，表禁止的义务；B 表可能性，C 表能力，D 表过去能力，均不符合语义。 5.A（appeared; was） 错误原因：第一空“1981年第一台笔记本电脑出现”用一般过去时，appear 为不及物动词无被动语态；第二空“比第一台电子计算机更便携”是过去的状态，用一般过去时；B 被动语态错误，C 时态不一致，D 第二空时态错误。 三、阅读提升细节理解（答案）1.B 2. C 3. C 4. C 5. C 推理判断（答案+解析）1.Because we can chat with friends and relatives far away through video calls, send emails or share moments on social media.（根据短文第二段最后一句推断） 2.It can have a bad influence on teenagers' growth, such as violent or unhealthy videos.（从短文第三段最后一句可推断不良内容对青少年成长有负面影响） 主题概括（答案示例）The passage says the internet is a double-edged sword. It brings convenience to shopping, study and communication, but also has risks like information theft and bad content. We should use it wisely.（50 词左右，涵盖核心观点） 四、写作热身句型积累（答案示例）1.While my sister was taking an online course, the internet suddenly stopped working. 2.Online shopping not only saves time but also offers more choices. 3.It is necessary to set a time limit when using the internet. 4.We can broaden our horizons by browsing educational websites. 5.Although the internet provides a lot of fun, we should focus on our study first. 片段写作（答案示例+采分点）My Views on the InternetThe internet is very important in our life. It has many advantages. We can shop online, take courses and communicate with others easily. It also helps us get information quickly. However, it has disadvantages too. Spending too much time online is bad for our health. Some bad information may mislead us. So we should use the internet wisely. We can set time limits and avoid sharing personal information. In this way, we can benefit a lot from it. 采分点： 1.互联网优势（2分） 2. 互联网劣势（2分） 3. 合理使用建议（2分） 4. 语法正确、语句通顺（1分） 模块二：单元标准化测试听力部分（答案）第一节 短对话1.B 2. A 3. A 4. B 5. C 第二节 长对话6.A 7. B 8. C 9. B 10. B 11. A 第三节 短文理解12.B 13. B 14. C 15. A 笔试部分第一题 词汇运用（答案）A）根据首字母填空 1.search（搜索，search for information“搜索信息”） 2. protect（保护，protect personal information“保护个人信息”） 3.share（分享，share life moments“分享生活瞬间”） 4. changed（改变，change the way“改变方式”） 5.download（下载，download music“下载音乐”） B）用所给词适当形式填空 1.taking（be interested in doing sth.） 2. invention（invent 变形为名词“发明”） 3.talking（avoid 后接动名词） 4. searching（spend time doing sth.） 5.makes（主语为第三人称单数，一般现在时） C）短语翻译 1.search for information 2. shop online 3. open an account 4. protect personal information 5. send emails 第二题 语法填空（答案）A）单句语法填空 1.was watching（while 从句用过去进行时） 2. must（表义务“必须小心”） 3.was downloading（when 从句用一般过去时，主句用过去进行时） 4. has changed（since 引导的从句用一般过去时，主句用现在完成时） 5.can（表建议“不能花太多时间”） 6. were; doing（过去进行时特殊疑问句） 7.communicate（情态动词 can 后接动词原形） 8. appeared（1971年提示用一般过去时） 9.to protect（it is important to do sth.） 10. didn't use（yesterday 提示用一般过去时否定式） B）短文语法填空 1.makes（主语为第三人称单数，一般现在时） 2. use（一般现在时，主语 some people 为复数） 3.be（情态动词 must 后接动词原形） 4. visiting（avoid 后接动名词） 5.will help（if 从句用一般现在时，主句用一般将来时） 第三题 阅读理解A）选择题（答案+解析）1.A（根据第二段“In the 1960s, the United States Department of Defense developed a network called ARPANET”可知） 2.B（根据第二段“In the 1990s, the World Wide Web was invented, which made the internet easier to use”可知） 3.C（短文第三段提及教育、商业、医疗领域，未提及农业） 4.C（根据最后一段“network security is a big problem”可知） 5.C（全文围绕互联网的发展历程及面临的挑战展开，A、B、D 为细节） B）任务型阅读（答案）任务一： 1.They can share medical knowledge, search for the latest medical research and treatment methods, and discuss difficult cases with experts online. 2.They can find teaching materials such as videos, pictures and lesson plans. 任务二： 1.online stores 2. inspiration 任务三： Teachers: Can answer students' questions after class and share students' progress with parents. Business people: Can use social media to promote products and communicate with customers. 第四题 书面表达（范文+评分标准）Dear David, I'm glad to tell you about the internet's applications in Chinese people's daily life. People do many things online. We shop for food, clothes and books without going out. Students take online courses and search for study materials. We also communicate with friends via video calls or social media. The internet brings great benefits. It saves time and offers more choices. It also helps us learn and work more efficiently. However, we need to be careful. We should protect our personal information and not believe false news. We shouldn't spend too much time online, either. I hope this helps you know more about the internet in China. Yours, Li Hua 评分标准： 内容完整（涵盖网上常见活动、好处、注意事项，3点全得8分，缺1点扣3分） 2. 语法正确（无重大语法错误得6分，每处错误扣0.5分，扣完为止） 3.语句通顺（逻辑清晰、衔接自然得6分） 4. 词数达标（120-150词得3分，不足100词或超过180词扣2分） 5.书写规范（卷面整洁、拼写正确得2分）