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北师大版（2019）必修第二册 Unit 4 Information Technology 单元回顾
I. 知识点回顾
一、词性变形
1. convenient adj．便利的 → ＿＿＿＿＿＿＿＿ n．便利
2. private adj．私人的 → ＿＿＿＿＿＿＿＿ n．隐私
3. communicate v．交流；沟通 → ＿＿＿＿＿＿＿＿ n．交流；沟通
4. identify v．确认；识别 → ＿＿＿＿＿＿＿＿ n．身份
5. connect v．连接 → ＿＿＿＿＿＿＿＿ n．连接
6. real adj．真实的 → ＿＿＿＿＿＿＿＿ n．现实 → ＿＿＿＿＿＿＿＿ v．意识到
7. person n．人 → ＿＿＿＿＿＿＿＿ adj．个人的 → ＿＿＿＿＿＿＿＿ n．个性
8. benefit n．好处；v．有益于 → ＿＿＿＿＿＿＿＿ adj．有益的
9. addict v．使上瘾 → ＿＿＿＿＿＿＿＿ adj．使人上瘾的 → ＿＿＿＿＿＿＿＿ n．上瘾；沉迷
10. social adj．社会的 → ＿＿＿＿＿＿＿＿ n．社会
11. virtual adj．虚拟的 → ＿＿＿＿＿＿＿＿ adv．几乎；实际上
12. technology n．技术 → ＿＿＿＿＿＿＿＿ adj．科技的
13. interact v．互动 → ＿＿＿＿＿＿＿＿ n．互动 → ＿＿＿＿＿＿＿＿ adj．互动的
14. instant adj．即时的 → ＿＿＿＿＿＿＿＿ adv．立即；马上
15. frequent adj．频繁的 → ＿＿＿＿＿＿＿＿ adv．频繁地
16. possible adj．可能的 → ＿＿＿＿＿＿＿＿ adj．不可能的 → ＿＿＿＿＿＿＿＿ n．可能性
17. affect v．影响 → ＿＿＿＿＿＿＿＿ n．影响
18. create v．创造 → ＿＿＿＿＿＿＿＿ adj．有创造力的 → ＿＿＿＿＿＿＿＿ n．创造力
19. true adj．真实的 → ＿＿＿＿＿＿＿＿ adv．真正地 → ＿＿＿＿＿＿＿＿ n．真相
20. friend n．朋友 → ＿＿＿＿＿＿＿＿ adj．友好的 → ＿＿＿＿＿＿＿＿ n．友谊
二、重点短语
1. ＿＿＿＿＿＿＿＿ 上网；浏览互联网
2. ＿＿＿＿＿＿＿＿ 社交媒体
3. ＿＿＿＿＿＿＿＿ 虚拟现实
4. ＿＿＿＿＿＿＿＿ 面对面的
5. ＿＿＿＿＿＿＿＿ 把……上传到……
6. ＿＿＿＿＿＿＿＿ 与……保持联系
7. ＿＿＿＿＿＿＿＿ 登录
8. ＿＿＿＿＿＿＿＿ 注销；退出
9. ＿＿＿＿＿＿＿＿ 个人信息
10. ＿＿＿＿＿＿＿＿ 分发；泄露
11. ＿＿＿＿＿＿＿＿ 对……保密
12. ＿＿＿＿＿＿＿＿ 以某人自己的节奏
13. ＿＿＿＿＿＿＿＿ 用……取代……
14. ＿＿＿＿＿＿＿＿ 可以使用；有权进入
15. ＿＿＿＿＿＿＿＿ 从……中受益
16. ＿＿＿＿＿＿＿＿ 对……上瘾；沉迷于
17. ＿＿＿＿＿＿＿＿ 与……交流
18. ＿＿＿＿＿＿＿＿ 与……分享……
19. ＿＿＿＿＿＿＿＿ 点击
20. ＿＿＿＿＿＿＿＿ 导致；造成
三、重点句型
【规则】在宾语从句或间接引语中，表示从过去某一时间看将要发生的动作，用过去将来时 would/should + 动词原形，常与 the next day、the following week 等时间状语连用。
【例句】She said that she ______(send) me the photos the next day. 她说她第二天会把照片发给我。
【规则】was/were going to + 动词原形表示过去打算、计划要做的事；当计划没有实现时，也常用这一结构。
【例句】We ______(be going to, have) a picnic that afternoon, but it rained heavily. 我们原打算那天下午去野餐，但雨下得很大。
【规则】“without + 动名词”意为“没有做某事”，介词后面接动名词形式；课文用该结构说明头像可以保护使用者的隐私。
【例句】With an avatar, you can chat online without ______(show) your real face. 有了头像，你可以网上聊天而不露出真脸。
【规则】“There is no doubt that...”意为“毫无疑问……”，that 引导同位语从句，是本单元课文中用来引出观点、强调看法的重要句式。
【例句】There is no doubt ______ real friendships need time and trust. 毫无疑问，真正的友谊需要时间和信任。
II. 牛刀小试
一、用所给单词适当形式填空
1. The ______(convenient) of mobile payment has changed our daily life.
2. You should be careful when you share ______(person) information online.
3. Good ______(communicate) is the key to a healthy friendship.
4. The police used the video to find out the ______(identify) of the thief.
5. The ______(connect) of the school network makes online learning possible for every student.
6. Online games are so ______(addict) that some players forget to eat.
7. He ______(frequent) checks his phone even when he is having dinner.
8. It is ______(possible) to finish the report today because all the files are stored online.
9. The film shows the ______(real) of life for children in the mountains.
10. Regular exercise is ______(benefit) to both your body and your mind.
11. To tell you the ______(true), I spend too much time on my phone.
12. The ______(interact) between users and the app makes learning English fun.
二、用所给动词的适当形式填空
1. He said he ______(call) me as soon as he arrived home.
2. I was going to ______(join) the online book club, but I changed my mind.
3. She told me that she ______(not, come) to the party the next day.
4. We ______(chat) online when the power suddenly went off.
5. By the age of ten, he ______(learn) how to write simple programs.
6. They said the new app ______(come) out the following month.
7. — Why didn't you answer my message — Sorry, I ______(download) a film and didn't see it.
8. He promised that he ______(keep) my secret.
9. I thought you ______(update) the software, but it is still the old version.
10. She said that she ______(be) a game designer in the future.
三、单元语法：过去将来时与复合词
（一）过去将来时
1. She said that she ______(visit) the science museum the next day.
2. Nobody knew when the new website ______(be) open to the public.
3. I was going to ______(send) him an email, but I forgot.
4. He told us that he ______(not, play) online games that night.
5. They said that they ______(start) the project the following week.
6. I told Tom that I ______(meet) him at the school gate after class.
7. She promised that she ______(help) me with my homework that evening.
8. We ______(be going to, have) a picnic that afternoon, but it rained heavily.
（二）复合词与构词
1. My parents gave me a new bike as my ______(birth, day) present.
2. You can find almost any information on the ______(inter, net).
3. This ______(user, friendly) design makes the app popular with old people.
4. Please enter your ______(pass, word) again to log on to the account.
5. You can visit the school's official ______(web, site) for the latest news.
6. She takes her ______(lap, top) to the library to write her reports.
7. You can ______(down, load) the song from the music app for free.
8. The app needs to be updated because of a ______(soft, ware) problem.
（三）语篇语法填空（在空白处填入1个适当的单词或括号内单词的正确形式）
At the class meeting last Friday, we discussed whether the Internet brings us closer. Li Hua said that he ______(1)(chat) with his online friends the next day, because he ______(2)(make) several good friends online. “The Internet ______(3)(be) a useful tool,” he said. “I can keep in touch with my friends even when they are far ______(4).” However, Wang Mei disagreed. She was going to ______(5)(delete) her social media account, because she thought online chatting was a waste ______(6) time. “People hide behind avatars, and you never know ______(7) they are telling the truth,” she explained. Our teacher said that technology ______(8)(change) our way of communication, but real friendships still needed face-to-face ______(9)(communicate). In the end, we agreed that the Internet was only ______(10) tool — what really mattered was how we used it.
四、课文语法填空
When you create an account on a website or an app, you often need to choose ______(1) avatar — a picture that stands ______(2) you in the digital world. Some people use their real ______(3)(photo), while others prefer cartoon characters or animals. A recent study shows that avatars can reflect part of a person's ______(4)(personal). People who choose bright, smiling avatars are usually more outgoing. One advantage of using an avatar is that it protects your ______(5)(private), because you can chat online without showing your real face. ______(6), avatars can also bring risks: some people hide behind friendly avatars ______(7)(cheat) others. Therefore, be careful when you make friends online. Never trust strangers too quickly just ______(8) a lovely picture. Remember that a person's real character is shown by ______(9) he or she does, both online and offline. In this way, you can enjoy the fun of the Internet and stay ______(10)(safety) at the same time.
必修第二册 Unit 4 参考答案
I. 知识点回顾
一、词性变形
1. convenient adj．便利的 → convenience n．便利
2. private adj．私人的 → privacy n．隐私
3. communicate v．交流；沟通 → communication n．交流；沟通
4. identify v．确认；识别 → identity n．身份
5. connect v．连接 → connection n．连接
6. real adj．真实的 → reality n．现实 → realize v．意识到
7. person n．人 → personal adj．个人的 → personality n．个性
8. benefit n．好处；v．有益于 → beneficial adj．有益的
9. addict v．使上瘾 → addictive adj．使人上瘾的 → addiction n．上瘾；沉迷
10. social adj．社会的 → society n．社会
11. virtual adj．虚拟的 → virtually adv．几乎；实际上
12. technology n．技术 → technological adj．科技的
13. interact v．互动 → interaction n．互动 → interactive adj．互动的
14. instant adj．即时的 → instantly adv．立即；马上
15. frequent adj．频繁的 → frequently adv．频繁地
16. possible adj．可能的 → impossible adj．不可能的 → possibility n．可能性
17. affect v．影响 → effect n．影响
18. create v．创造 → creative adj．有创造力的 → creativity n．创造力
19. true adj．真实的 → truly adv．真正地 → truth n．真相
20. friend n．朋友 → friendly adj．友好的 → friendship n．友谊
二、重点短语
1. surf the Internet 上网；浏览互联网
2. social media 社交媒体
3. virtual reality 虚拟现实
4. face-to-face 面对面的
5. upload... to... 把……上传到……
6. keep in touch with 与……保持联系
7. log on / log in 登录
8. log off 注销；退出
9. personal information 个人信息
10. give out 分发；泄露
11. keep... secret 对……保密
12. at one's own pace 以某人自己的节奏
13. replace... with... 用……取代……
14. have access to 可以使用；有权进入
15. benefit from 从……中受益
16. be addicted to 对……上瘾；沉迷于
municate with 与……交流
18. share... with... 与……分享……
19. click on 点击
20. lead to 导致；造成
三、重点句型
【规则】在宾语从句或间接引语中，表示从过去某一时间看将要发生的动作，用过去将来时 would/should + 动词原形，常与 the next day、the following week 等时间状语连用。
【例句】She said that she would send me the photos the next day. 她说她第二天会把照片发给我。
【规则】was/were going to + 动词原形表示过去打算、计划要做的事；当计划没有实现时，也常用这一结构。
【例句】We were going to have a picnic that afternoon, but it rained heavily. 我们原打算那天下午去野餐，但雨下得很大。
【规则】“without + 动名词”意为“没有做某事”，介词后面接动名词形式；课文用该结构说明头像可以保护使用者的隐私。
【例句】With an avatar, you can chat online without showing your real face. 有了头像，你可以网上聊天而不露出真脸。
【规则】“There is no doubt that...”意为“毫无疑问……”，that 引导同位语从句，是本单元课文中用来引出观点、强调看法的重要句式。
【例句】There is no doubt that real friendships need time and trust. 毫无疑问，真正的友谊需要时间和信任。
II. 牛刀小试
一、用所给单词适当形式填空
1. convenience 2. personal 3. communication 4. identity 5. connection 6. addictive 7. frequently 8. impossible 9. reality 10. beneficial 11. truth 12. interaction
二、用所给动词的适当形式填空
1. would call 2. join 3. would not come 4. were chatting 5. had learned 6. would come 7. was downloading 8. would keep 9. had updated 10. would be
三、单元语法：过去将来时与复合词
（一）过去将来时
1. would visit 2. would be 3. send 4. would not play 5. would start 6. would meet 7. would help 8. were going to have
（二）复合词与构词
1. birthday 2. Internet 3. user-friendly 4. password 5. website 6. laptop 7. download 8. software
（三）语篇语法填空
1. would chat 2. had made 3. was 4. away 5. delete 6. of 7. whether/if 8. had changed 9. communication 10. a
四、课文语法填空
1. an 2. for 3. photos 4. personality 5. privacy 6. However 7. to cheat 8. because of 9. what 10. safe

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