Unit 4 Digital life核心单词,词性转换,短语,语法,句型精练-2025-2026学年八年级英语上册单元重难点易错题精练（外研版2024）

班级 姓名 学号 分数 Unit 4 Digital life 单元重点单词变形短语语法句型精练 （时间：60分钟，满分：100分） 单元知识点默写 一、词性转换 1. 试卷第1页，共3页 试卷第1页，共3页 学科网（北京）股份有限公司 2. digital adj. 数字的，数码的 → n. 数字 3. payment n. 支付，付款 → v. 支付 4. convenient adj. 方便的，便利的 → n. 便利； → adv. 便利地 5. development n. 进步，发展 → v. 发展；→ adj. 发达的；→ adj. 发展中的 6. anywhere adv. 任何地方，无论何处 → adv. 某个地方；→ adv. 每个地方；→ adv. 没有哪个地方； 7. simply adv. 只是，只要 → adj. 简单的 8. save v. 节省，节约 → n. 储蓄 9. advantage n. 好处，优点 → n. 缺点；短处 10. effect n. 效应；影响；结果 → adj. 有效的；有影响的 11. strange adj. 奇怪的，不寻常的；不可思议的 → n. 陌生人；→ adv. 陌生地 12. anyone pron. 有人，任何人 → pron. 某个人；→ pron. 没有人；→ pron. 每个人； 二、重点短语 1____________/ˈdɪdʒɪtl/ adj. 数字的，数码的 2 ____________ /ˈsentʃəri/ n. 世纪 3 ____________ /fərˈevə/ n. 极长的一段时间 4 ____________/ˈsmɑːtfəʊn/ n. 智能手机 5 ____________/ˈwɒlɪt/ n. 钱包 6 ____________ /ˈpeɪmənt/ n. 支付，付款 7 ____________ /kæʃ/ n. 现款，现金 8 ____________ /æp/ n. 应用程序，应用软件 9 ____________ /ˈʌvn/ n. 烤箱，烤炉 10 ____________ /ɪkˈsept/ prep. 除……之外 11 ____________ /kənˈviːniənt/ adj. 方便的，便利的 12____________ /dɪˈveləpmənt/ n. 进步，发展 13 ___________ /ˈməʊbaɪl/ adj. 非固定的，移动式的 14 ___________ /ˈeniweə/ adv. 任何地方，无论何处 15 ____________ /ˈvaɪə/ prep. 通过 16 ____________/ˈprəʊɡres/ n. 进步；进展 17____________/ˌɒfˈlaɪn/ adj. 未联网的，不在线的 18 ____________/ˈnaʊədeɪz/ adv. 现今，现时 19 ____________/ˈsɪmpli/ adv. 只是，只要 20 ____________ /seɪv/ v. 节省，节约 单元知识点习题训练 1、 用括号内所给单词的适当形式填空(本大题共20小题，每小题1分，共20分) 1．I keep my books near my desk for (convenient). 2．Tom helped us (book) the tickets for the zoo on the Internet. 3．Let Daniel (carry) the bag for me. 4．Ben’s mother allow him TV for half an hour yesterday.  (watch) 5．Can you (guess) what’s in my hand? 6．With the of China, more and more foreigners come to learn Chinese culture. (develop) 7．You know some of the science problems can’t be solved (simple). 8．There are different kinds of (wallet) in the shop. 9．My teacher always encourages me (study) hard. 10．Can you find (someone) to help you when you are in trouble? 11．His mother often asks him (play) sports at the weekend. 12．This story happened in a village many ago. (century) 13．We can’t go (somewhere) because of COVID-19. 14．With the help of our English teacher, I have made great (progress) in my spelling. 15．The boy has many (advantage). 16．This old woman expected the young man (save) the dog. 17．His parents allow him (watch) a movie once a month. 18．My teacher encouraged me English as much as possible. （speak） 19．“Does (someone) know the answer to the question?” he asks. 20．Let’s (order) some food from a restaurant. 二、根据汉语提示完成单词(本大题共10小题，每小题1分，共10分) 21．My dad gave me a new (可移动的) phone as a birthday gift, and now I can use it to call my friends. 22．My (卧室) is on the second floor and it is between my parents’ and my sister’s. 23．I think you can (猜测) the answer. 24．I will love my parents (永远). 25．My brother often does his (家庭作业) first after school. 26．With populations rising, cities should try to provide a more enjoyable, comfortable and (方便的) living environment. 27．Did you go (任何地方) interesting last weekend? 28． (如今), more and more people are getting used to waste sorting (分类). 29．I think that our friendship will last (永远). 30．His father has a great (影响) on him. 三、完成句子(本大题共10小题，每小题3分，共30分) 31．这些志愿活动对学生的发展产生了巨大的影响。 These volunteer activities made a great difference to the of students. 32．在所有这些语言中，英语是使用最为广泛的。 Of all these languages, English is the most used. 33．这篇文章除了有几个拼写错误外, 总体不错。 The passage is good, several spelling mistakes. 34．他的身高使他具有一个明显的优势。 His height gives him a clear . 35．用勺子吃饺子感觉很奇怪。 It is dumplings with a spoon. 36．只要你坚持努力，你一定会取得进步。 You will as long as you stick to working hard. 37．初来乍到，总要过些时候才会习惯。 always takes time used to a new place. 38．使用锻炼程序做运动可以显示我的进步。 Using an to work out can my . 39．我认为如果遇到困难，我们最好向老师请教。 I think that we’d better if we are in trouble. 40．如果你不同意，他们得改步行回家。 They if you don’t agree. 四、短文填空(本大题共20小题，每小题2分，共40分) 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。 阅读下面的短文，在空白处填入一个适当的单词或括号内单词的正确形式。 Have you heard about T-Flight, the new high-speed (速度) train? It can travel 1,000 kilometers in just one hour! This amazing train was built in Datong, Shanxi. T-Flight has finished a test run and is getting ready to go into people’s 1 (day) life. It’s so fast that it can take you from Beijing to Shanghai in just an hour instead 2 four hours or more. That’s much faster than taking a plane, and it 3 (save) you a lot of time in the future. 4 makes T-Flight so fast? It travels inside a special path that doesn’t have much air in it. With less air in the way, the train moves without slowing down, 5 it can move really fast. Moreover, T-Flight uses maglev technology (磁悬浮技术). It means it runs above the track (轨道) without touching it. This helps the train move 6 (smooth) without any friction (摩擦). T-Flight will make a great difference to China’s business in the future. People and 7 (company) in big cities will choose it 8 (meet) and talk with each other. It will also work with other high-speed trains and planes to make a bigger travel network. This will make traveling around China even 9 (easy) and bring new ways for businesses and tours. In short, T-Flight is a new high-speed train that will change 10 way we travel and do business in China. With its fast speed, it’s sure to become very popular soon. 阅读短文，在空白处填入一个适当的单词或括号内所给单词的适当形式。 “www” “com” “org” “net”—many years ago these letters didn’t mean 1 (something) to anyone. 2 today almost everyone can tell you that “www” means World Wide Web. And “com” “org” and “net” are all parts of web 3 (address), too. Since the Internet was invented 4 the late 1960s, it has. changed the world. How? it has made communication (交流) 5 (easy) and faster. In the days before computers, people 6 (write) letters and sent them by mail. It took days, even weeks for the letters 7 (arrive). Today, anyone can write 8 email on a computer. And with one click of a 9 (mice), the email arrives almost right now. With instant messages (即时传讯) and chatrooms, people from, around the world can communicate with one another 10 (quick) over the Internet. What used to take several days now only takes a few seconds. The Internet has changed the world. Is this good or bad? Only time will tell you $ 班级 姓名 学号 分数 Unit 4 Digital life 单元重点单词变形短语语法句型精练 （时间：60分钟，满分：100分） 单元知识点默写 一、词性转换 1. 试卷第1页，共3页 试卷第1页，共3页 学科网（北京）股份有限公司 2. digital adj. 数字的，数码的 → n. 数字 3. payment n. 支付，付款 → v. 支付 4. convenient adj. 方便的，便利的 → n. 便利； → adv. 便利地 5. development n. 进步，发展 → v. 发展；→ adj. 发达的；→ adj. 发展中的 6. anywhere adv. 任何地方，无论何处 → adv. 某个地方；→ adv. 每个地方；→ adv. 没有哪个地方； 7. simply adv. 只是，只要 → adj. 简单的 8. save v. 节省，节约 → n. 储蓄 9. advantage n. 好处，优点 → n. 缺点；短处 10. effect n. 效应；影响；结果 → adj. 有效的；有影响的 11. strange adj. 奇怪的，不寻常的；不可思议的 → n. 陌生人；→ adv. 陌生地 12. anyone pron. 有人，任何人 → pron. 某个人；→ pron. 没有人；→ pron. 每个人； 1. digit2. pay3. convenience；conveniently4. develop；developed；developing5. somewhere；everywhere；nowhere6. simple7. saving8. disadvantage 9. effective10. stranger；strangely 11. someone；no one；everyone 二、重点短语 1digital /ˈdɪdʒɪtl/ adj. 数字的，数码的 2 century /ˈsentʃəri/ n. 世纪 3 forever /fərˈevə/ n. 极长的一段时间 4 smartphone /ˈsmɑːtfəʊn/ n. 智能手机 5 wallet /ˈwɒlɪt/ n. 钱包 6 payment /ˈpeɪmənt/ n. 支付，付款 7 cash /kæʃ/ n. 现款，现金 8 app /æp/ n. 应用程序，应用软件 9 oven /ˈʌvn/ n. 烤箱，烤炉 10 except /ɪkˈsept/ prep. 除……之外 11 convenient /kənˈviːniənt/ adj. 方便的，便利的 12 development /dɪˈveləpmənt/ n. 进步，发展 13 mobile /ˈməʊbaɪl/ adj. 非固定的，移动式的 14 anywhere /ˈeniweə/ adv. 任何地方，无论何处 15 via /ˈvaɪə/ prep. 通过 16 progress /ˈprəʊɡres/ n. 进步；进展 17 offline /ˌɒfˈlaɪn/ adj. 未联网的，不在线的 18 nowadays /ˈnaʊədeɪz/ adv. 现今，现时 19 simply /ˈsɪmpli/ adv. 只是，只要 20 save /seɪv/ v. 节省，节约 单元知识点习题训练 1、 用括号内所给单词的适当形式填空(本大题共20小题，每小题1分，共20分) 1．I keep my books near my desk for (convenient). 【答案】convenience 【详解】句意：为了方便，我把书放在书桌附近。for为介词，此处应接名词，convenient“方便的”，形容词，其名词convenience“方便”符合语境，不可数名词，故填convenience。 2．Tom helped us (book) the tickets for the zoo on the Internet. 【答案】to book/book 【详解】句意：汤姆帮我们在网上订了动物园的票。help sb (to) do sth“帮助某人做某事”，动词不定式作宾语补足语，to可以省略。故填to book/book。 3．Let Daniel (carry) the bag for me. 【答案】carry 【详解】句意：让丹尼尔给我背包。carry“背”，动词。let sb. do sth.“让某人做某事”，故用动词原形。故填carry。 4．Ben’s mother allow him TV for half an hour yesterday.  (watch) 【答案】to watch 【详解】句意：本的母亲昨天允许他看半个小时的电视。短语allow sb to do sth表示“允许某人做某事”。故填to watch。 5．Can you (guess) what’s in my hand? 【答案】guess 【详解】句意：你能猜出我手里有什么东西吗？根据“Can you...(guess) what’s in my hand?”可知，该句是以情态动词can为首的一般疑问句，所以此空应用动词guess的原形。故填guess。 6．With the of China, more and more foreigners come to learn Chinese culture. (develop) 【答案】development 【详解】句意：随着中国的发展，越来越多的外国人来学习中国文化。定冠词the后加名词，develop的名词为development。故填development。 7．You know some of the science problems can’t be solved (simple). 【答案】simply 【详解】句意：你知道有些科学问题是无法简单地解决的。“simple”修饰动词“ solved”，应用副词形式，故填simply。 8．There are different kinds of (wallet) in the shop. 【答案】wallets 【详解】句意：商店里有各种各样的钱包。wallet“钱包”，可数名词，根据“different kinds of”可知，此空应填复数形式，故填wallets。 9．My teacher always encourages me (study) hard. 【答案】to study 【详解】句意：我的老师总是鼓励我努力学习。encourage sb. to do sth.“鼓励某人做某事”。故填to study。 10．Can you find (someone) to help you when you are in trouble? 【答案】anyone 【详解】句意：当你身处困境时，你能找到某些人来帮助你吗？本题考查someone的变形，意思是“某些人”，一般用于肯定句，如果用于否定句或疑问句时，一般要变成anyone。此处是疑问句，故填anyone。 11．His mother often asks him (play) sports at the weekend. 【答案】to play 【详解】句意：他妈妈经常叫他在周末做运动。根据ask sb. to do sth.“叫某人做某事”可知，此处要用不定式作宾补。故填to play。 12．This story happened in a village many ago. (century) 【答案】centuries 【详解】句意：这个故事发生在许多世纪前的一个村庄。由空格前“many”可知空格处用可数名词复数，century世纪，百年，可数名词，复数是centuries。故填centuries。 13．We can’t go (somewhere) because of COVID-19. 【答案】anywhere 【详解】句意：因为新冠肺炎，我们哪儿也去不了。somewhere用于肯定句，否定句用anywhere，故填anywhere。 14．With the help of our English teacher, I have made great (progress) in my spelling. 【答案】progress 【详解】句意：在老师的帮助下，我已经在拼写上取得了巨大进步。此处作宾语，应该填名词；progress“进步”，是不可数名词，故填progress。 15．The boy has many (advantage). 【答案】advantages 【详解】句意：这个男孩有很多优点。空前有“many”修饰，名词应用复数形式，故填advantages。 16．This old woman expected the young man (save) the dog. 【答案】to save 【详解】句意：这位老妇人期望这个年轻人去救那条狗。根据固定搭配“expect sb. to do sth.”可知，to save符合句意。故填to save。 17．His parents allow him (watch) a movie once a month. 【答案】to watch 【详解】句意：他的父母允许他每月看一次电影。allow sb to do sth“允许某人做某事”，动词不定式作宾补，故填to watch。 18．My teacher encouraged me English as much as possible. （speak） 【答案】to speak 【详解】句意：我的老师鼓励我尽可能多地说英语。固定短语encourage sb to do sth“鼓励某人做某事”，故填to speak。 19．“Does (someone) know the answer to the question?” he asks. 【答案】anyone 【详解】句意：“有人知道这个问题的答案吗？”他问道。someone“某人”，一般用于肯定句中，此处是疑问句应用anyone，故填anyone。 20．Let’s (order) some food from a restaurant. 【答案】order 【详解】句意：我们从餐馆点些食物吧。根据Let’s为Let us的缩写，let“让”，使役动词，后接省略to的动词不定式作宾语补足语，order“点菜”，动词。故填order。 二、根据汉语提示完成单词(本大题共10小题，每小题1分，共10分) 21．My dad gave me a new (可移动的) phone as a birthday gift, and now I can use it to call my friends. 【答案】mobile 【详解】句意：我爸爸给了我一部新的可移动电话作为生日礼物，现在我可以用它给我的朋友们打电话。此处是一个形容词，作定语修饰名词“phone”。“可移动的”英文表达是“mobile”，“mobile phone”是固定短语，意为“移动电话、手机”，故填mobile 。 22．My (卧室) is on the second floor and it is between my parents’ and my sister’s. 【答案】bedroom 【详解】句意：我的卧室在二楼，它在我父母的卧室和我妹妹的卧室之间。“卧室”用bedroom，可数名词，位于is前，用单数的bedroom，作主语。故填bedroom。 23．I think you can (猜测) the answer. 【答案】guess 【详解】句意：我认为你可以猜出答案。结合句意和汉语提示可知，guess“猜测”，根据“can”可知，其后加动词原形。故填guess。 24．I will love my parents (永远). 【答案】forever 【详解】句意：我会永远爱我的父母。根据汉语提示可知，此处为forever“永远”，副词，修饰love。故填forever。 25．My brother often does his (家庭作业) first after school. 【答案】homework 【详解】句意：我哥哥放学后经常先做他的家庭作业。家庭作业：homework ，是不可数名词，没有复数形式。句子“My brother often does his...”表达的是一般现在时，主语“My brother”是第三人称单数，所以用“does”表示“做”，“do one’s homework”就是“做某人的家庭作业”。故填homework。 26．With populations rising, cities should try to provide a more enjoyable, comfortable and (方便的) living environment. 【答案】convenient 【详解】句意：随着人口的增长，城市应该努力提供一个更愉快、更舒适、更安全的生活环境。根据中文提示，方便的：convenient，此处在句中作定语。故填convenient。 27．Did you go (任何地方) interesting last weekend? 【答案】anywhere 【详解】句意：你上周末去什么有趣的地方了吗？anywhere“任何地方”，不定副词。故填anywhere。 28． (如今), more and more people are getting used to waste sorting (分类). 【答案】Nowadays 【详解】句意：如今，越来越多的人已经习惯了垃圾分类。nowadays“如今”，副词作状语，句首首字母应大写。故填Nowadays。 29．I think that our friendship will last (永远). 【答案】forever 【详解】句意：我认为我们的友谊会永远持续下去。永远：forever，副词修饰动词。故填forever。 30．His father has a great (影响) on him. 【答案】influence/effect 【详解】句意：他的父亲对他有很大的影响。“影响”为influence或effect，have an influence/effect on意为“对……有影响”，故填influence/effect。 三、完成句子(本大题共10小题，每小题3分，共30分) 31．这些志愿活动对学生的发展产生了巨大的影响。 These volunteer activities made a great difference to the of students. 【答案】development 【详解】根据中英文对照可知，空处缺少内容“发展”，development“发展”，此处表示“学生的发展”。故填development。 32．在所有这些语言中，英语是使用最为广泛的。 Of all these languages, English is the most used. 【答案】widely 【详解】根据中英文对照可知，空处缺“广泛的”的英文表达。widely意为“广泛的”。故填widely。 33．这篇文章除了有几个拼写错误外, 总体不错。 The passage is good, several spelling mistakes. 【答案】except for 【详解】根据中英文对照可知，此空意为“除了”。except for“除了”，介词短语，主要用于对某种基本情况进行具体的细节方面的修正。故填except for。 34．他的身高使他具有一个明显的优势。 His height gives him a clear . 【答案】advantage 【详解】根据中英文对照可知，空缺部分是“优势”，advantage，名词，意为“优势”符合题意。故填advantage。 35．用勺子吃饺子感觉很奇怪。 It is dumplings with a spoon. 【答案】 strange to eat/have 【详解】对照中英文可知缺少“奇怪”和“吃”，“奇怪”strange，“吃”eat/have；句子是“It is adj. to do sth”结构，故填strange；to；eat/have。 36．只要你坚持努力，你一定会取得进步。 You will as long as you stick to working hard. 【答案】 make progress 【详解】根据中英文提示可知，此处使用make progress“取得进步”；will后接动词原形。故填make；progress。 37．初来乍到，总要过些时候才会习惯。 always takes time used to a new place. 【答案】 It to get/be 【详解】It takes time to do sth“做某事花费时间”，it是形式主语，to do sth是真正主语；get used to=be used to“习惯”，故填It；to；get/be。 38．使用锻炼程序做运动可以显示我的进步。 Using an to work out can my . 【答案】 exercise app show progress 【详解】根据中英文对照可知，空处缺少“锻炼程序”以及“显示进步”。“锻炼程序”的英文表达为exercise app，“显示”的英文表达是show，情态动词can后接动词原形；“进步”的英文表达是progress。故填exercise；app；show；progress。 39．我认为如果遇到困难，我们最好向老师请教。 I think that we’d better if we are in trouble. 【答案】ask the teacher for help/ask the teacher to help us 【详解】由中英文比对可知，缺少“向老师请教”的意思，ask sb. for help/ask sb. to help表示“向某人请教”，had better后面接动词原形。故填ask the teacher for help/ask the teacher to help us。 40．如果你不同意，他们得改步行回家。 They if you don’t agree. 【答案】will have to walk home instead/will have to go home on foot instead 【详解】根据句意可知，主句用一般将来时，have to不得不，walk home/go home on foot步行回家，instead代替。故填will have to walk home/go home on foot instead。 四、短文填空(本大题共20小题，每小题2分，共40分) 阅读下面短文，在空白处填入1个适当的单词或括号内单词的正确形式。 阅读下面的短文，在空白处填入一个适当的单词或括号内单词的正确形式。 Have you heard about T-Flight, the new high-speed (速度) train? It can travel 1,000 kilometers in just one hour! This amazing train was built in Datong, Shanxi. T-Flight has finished a test run and is getting ready to go into people’s 1 (day) life. It’s so fast that it can take you from Beijing to Shanghai in just an hour instead 2 four hours or more. That’s much faster than taking a plane, and it 3 (save) you a lot of time in the future. 4 makes T-Flight so fast? It travels inside a special path that doesn’t have much air in it. With less air in the way, the train moves without slowing down, 5 it can move really fast. Moreover, T-Flight uses maglev technology (磁悬浮技术). It means it runs above the track (轨道) without touching it. This helps the train move 6 (smooth) without any friction (摩擦). T-Flight will make a great difference to China’s business in the future. People and 7 (company) in big cities will choose it 8 (meet) and talk with each other. It will also work with other high-speed trains and planes to make a bigger travel network. This will make traveling around China even 9 (easy) and bring new ways for businesses and tours. In short, T-Flight is a new high-speed train that will change 10 way we travel and do business in China. With its fast speed, it’s sure to become very popular soon. 【答案】 1．daily 2．of 3．will save 4．What 5．so 6．smoothly 7．companies 8．to meet 9．easier 10．the 【导语】本文介绍了新的高速列车T-Flight的速度，以及这种列车将给人们的生活带来什么样的影响。 1．句意：T-Flight已经完成了试运行，正准备进入人们的日常生活。修饰名词“life”，填形容词daily“日常的”，作定语。故填daily。 2．句意：太快了，从北京到上海只需要一个小时，而不是四个小时或更长时间。根据“instead…four hours or more”可知，此处指的“而不是”，短语instead of“而不是”符合题意。故填of。 3．句意：这比坐飞机快得多，而且将来会为你节省很多时间。save“节约”，根据“and it…you a lot of time in the future.”可知，该句是一般将来时，其结构为“will do”，故填will save。 4．句意：是什么让T-Flight如此之快？根据“makes T-Flight so fast?”可知，此处是问“什么”使得T-Flight如此之快，what“什么”。故填What。 5．句意：在空气较少的情况下，火车不会减速，所以它可以非常快地行驶。根据“it can move really fast.”可知，后文介绍了结果，so“所以”符合题意。故填so。 6．句意：这有助于列车平稳行驶而不产生任何摩擦。修饰动词“move”，填副词smoothly“平稳地”。故填smoothly。 7．句意：城市的人们和公司会选择它来见面和交谈。company“公司”，此处填复数形式，泛指类别。故填companies。 8．句意：城市的人们和公司会选择它来见面和交谈。meet“见面”，根据“and talk with each other.”可知，设空处作目的状语，填不定式。故填to meet。 9．句意：这将使中国各地的旅行更加容易，并为企业和旅游业带来新的方式。根据“even”可知，此处修饰比较级easier“更容易”。故填easier。 10．句意：简而言之，T-Flight是一种新的高速列车，它将改变我们在中国旅行和做生意的方式。根据“way we travel and do business in China”可知，此处特指在中国旅行和做生意的方式，填定冠词the。故填the。 阅读短文，在空白处填入一个适当的单词或括号内所给单词的适当形式。 “www” “com” “org” “net”—many years ago these letters didn’t mean 1 (something) to anyone. 2 today almost everyone can tell you that “www” means World Wide Web. And “com” “org” and “net” are all parts of web 3 (address), too. Since the Internet was invented 4 the late 1960s, it has. changed the world. How? it has made communication (交流) 5 (easy) and faster. In the days before computers, people 6 (write) letters and sent them by mail. It took days, even weeks for the letters 7 (arrive). Today, anyone can write 8 email on a computer. And with one click of a 9 (mice), the email arrives almost right now. With instant messages (即时传讯) and chatrooms, people from, around the world can communicate with one another 10 (quick) over the Internet. What used to take several days now only takes a few seconds. The Internet has changed the world. Is this good or bad? Only time will tell you 【答案】 1．anything 2．But 3．addresses 4．in 5．easier 6．wrote 7．to arrive 8．an 9．mouse 10．quickly 【导语】本文讲述了互联网的发明及其对世界的影响，特别是在通信方面的变化，从传统的书信到电子邮件和即时通讯的转变。 1．句意：许多年前，这些字母对任何人来说都没有意义。此句是否定句，应用anything代替something。故填anything。 2．句意：但今天几乎每个人都能告诉你“www”代表万维网。后句和前面是转折关系，应用but连接。故填But。 3． 句意：而“com” “org”和“net”也是网络地址的一部分。address“地址”，可数名词，应用复数形式。故填addresses。 4． 句意：自从互联网在20世纪60年代末被发明以来，它改变了世界。根据“the late 1960s”可知，表示在某个年代，应用时间介词in。故填in。 5．句意：它使交流变得更容易、更快捷。根据“faster”可知，应用比较级easier与其并列。故填easier。 6．句意：在计算机出现之前，人们写信并通过邮寄发送。 根据“ In the days before computers”可知，说的是过去的事情，应用一般过去式。故填wrote。 7．句意：信件需要几天，甚至几周才能到达。此句是it作形式主语，真正的主语是后面的动词不定式。故填to arrive。 8．句意：今天，任何人都可以在计算机上写电子邮件。空处是单数名词，表示泛指，应用不定冠词，email以元音音素开头，应用an。故填an。 9．句意：只需点击一下鼠标，电子邮件几乎立即到达。mice是复数形式，a修饰单数名词mouse“鼠标”。故填mouse。 10．句意：通过即时消息和聊天室，世界各地的人们可以通过互联网快速交流。空处修饰动词，应用副词quickly。故填quickly。 $