译林版（2019）必修三 Unit 3 The world online 单元练习（含答案）

Unit 3 The world online
一、阅读理解（本大题共4小题，共8.0分）
A
All networks like 3G and 4G will be things of the past, because people already have access to 5G. So, what's so special about a 5G future First of all, its download speed can be as fast as 20GB/s, which is 100 to 200 times faster than that of 4G. But what's more impressive is 5G's low delay rate. Now, 4G takes an average of 200 milliseconds to send and receive information. But 5G will get it down to 1 millisecond.
5G is a great breakthrough (突破). It's going to change the way equipment connects to the Internet, and more importantly, to each other. And self-driving cars may be one of the biggest breakthroughs to come out of 5G. Human reaction time is 200 milliseconds, yet we still have accidents every day. The self-driving car under the 5G network could react and communicate its reaction to hundreds of cars around it, all within 1 millisecond. It'll play a great role in preventing car accidents and completely ending traffic jams.
5G can benefit us in many other ways. Operations could be performed by robots controlled by experts from the other side of the world. Therefore, more lives will be saved in time. Factories can be staffed by robots that can communicate their tasks to each other, and they can do more work over the 5G network. As a result, more labour forces will be freed.
However, 5G is not perfect. 5G uses the millimeter waves, while 4G uses the 15- to 40-centimeter-long waves. And shorter waves go fast but not very far. On the 4G network, the signal can go 10 kilometers. But the 5G signal can go at most 300 meters, and it can't even go through walls or rain. So, what does that mean Having such a short signal distance means we need to build a lot of signal towers in the future.
1. How does the author introduce 5G in Paragraph 1
A. By giving examples of the uses of 5G.
B. By reviewing 5G's development from 4G.
C. By providing some basic information of 5G.
D. By making comparisons between 4G and 5G.
2. Why are self-driving cars mentioned in Paragraph 2
A. To show the advantage of 5G.
B. To prove the importance of 5G.
C. To explain the role of self-driving cars.
D. To tell the progress of self-driving cars.
3. What does the underlined part "be staffed by robots" mean
A. Be built by robots. B. Have robots as workers.
C. Offer employees robots. D. Produce more robots.
4. What can we know about the 5G signal
A. It uses longer waves.
B. It needs fewer signal towers.
C. It travels a shorter distance.
D. It won't be influenced by weather.
二、阅读七选五（本大题共5小题，共10.0分）
One of my earliest memories was watching my mom talk on our old phone. I was fascinated (被迷住的) to see that she could talk to someone who wasn't actually in the room with her. When she left the room, I slowly walked over to the phone and stared at it for a while. (1)
That was a long time ago. Later, we had mobile phones that could be carried around the room. (2) These days I can send an e-mail around the world in a second. My daughter's smartphone has a hundred apps and a dozen social media accounts. She stores all of her information in a place known as "the cloud", where she can take it out at any time. It seems that we are more connected in this world than ever before.
(3) Few take the time to talk face to face. Instead of looking into the eyes of our loved ones, we stare at our screens. It seems as if the most connected generation are also the loneliest.
Don't let technology take our time and ruin our life. Make the time to meet and to communicate with each other. (4) Have a long conversation with the phones off and the hearts on. Connect offline as well as online.
Remember that we are here to love each other, help each other and make this world a better place. (5) But when it can't, turn it off.
A. Then came computers and smartphones.
B. Take a walk on the beach with a friend.
C. Smartphones have both advantages and disadvantages.
D. When your technology can help to do these things, then use it.
E. Phones have been the most important communication tool for us.
F. I was wondering how she managed to talk with someone she couldn't see.
G. However, what troubles us is that we rarely connect with each other nowadays.
5. A. A B. B C. C D. D E. E F. F G. G
6. A. A B. B C. C D. D E. E F. F G. G
7. A. A B. B C. C D. D E. E F. F G. G
8. A. A B. B C. C D. D E. E F. F G. G
9. A. A B. B C. C D. D E. E F. F G. G
三、完形填空（本大题共15小题，共22.5分）
I am a 27-year-old from Minot. I used to (10) against anxiety and it was so (11) that I was afraid to be in my own house when night came. I was also negative and would always see the bad in things.
However, this all (12) last fall when I came up with the (13) to write a book for my favorite comedian and television host, Ellen DeGeneres. I wrote, edited and published it in four weeks and received some good (14) . I felt happy and I thought I had (15) a lot from this event and started to be (16) and positive. Then I started thinking about whether I could do something more (17) in Minot. Later, I joined an organization called Fast Positivity whose (18) is to bring our community together with more diversity and without the (19) of being judged by age, race, jobs or income. It is a challenging (20) to recognize and find kind and energetic people in the Minot area and (21) them into joining us. Also, I want to be a positive leader and (22) others to follow their dreams.
I am no longer afraid of what people think of me because finally I (23) myself! Right now, I am interviewing a person once a week and (24) their stories on my website. I have received a large number of applications from different people who are inspired and can't wait to make a difference.
10. A. vote B. argue C. fight D. turn
11. A. serious B. usual C. annoying D. obvious
12. A. started B. repeated C. changed D. worked
13. A. pattern B. idea C. guideline D. request
14. A. gifts B. comments C. training D. education
15. A. remembered B. suffered C. learned D. heard
16. A. honest B. independent C. patient D. brave
17. A. difficult B. meaningful C. formal D. creative
18. A. purpose B. secret C. need D. rule
19. A. fear B. awareness C. benefit D. procedure
20. A. question B. task C. field D. arrangement
21. A. frighten B. trick C. force D. talk
22. A. order B. allow C. invite D. encourage
23. A. bring up B. look after C. believe in D. think about
24. A. designing B. completing C. filming D. sharing
四、选词填空-句子（本大题共1小题，共10.0分）
25.
get in the way; bring up; take off; be glued to;
be aware of; above all; belong to; keep in contact with
(1) The mobile payment began to ______ when people noticed the convenience it brought to daily life.
(2) He wouldn't allow anxiety ______ of him doing his job.
(3) Sarah ______ the web page, trying to find the learning resources she needs.
(4) Tourists are reminded to take everything ______ them before leaving the hotel.
(5) He is very aware of what topics he should and should not ______at the conference.
(6) I want to employ a college student who is good at English and ______ he or she must have a sense of responsibility.
五、单句语法填空（本大题共8小题，共8.0分）
26. The presentation of our 5G products went very well, with almost all of the audience ______ (request) further information about them.
27. The government has drawn up ______ (guideline) on the Internet Plus nursing services, which promotes the development of health services.
28. What is ______ (obvious) right is to provide children with equal chances to develop their special gifts.
29. When fat and salt ______ (remove) from food, the food tastes as if it's missing something.
30. Scientists are making every effort to go beneath the surface of the information ______ (reveal) the hidden possibilities.
31. Changes can be ______ (scare), but it's during the changes that some of the best opportunities present themselves.
32. Dick ______ (quit) his previous job and was working as a volunteer in a small mountain village when the reporter interviewed him.
33. The survey shows that lack of parents' love is the leading factor that results in a teenager being lost ______ computer games.
六、语法填空（本大题共2小题，共30.0分）
34. Nowadays, we can achieve almost anything by (1) (access) the Internet, which has some truly life-changing advantages.
One of the greatest advantages of the Internet (2) (lie) in the quick and easy access to a huge amount of information. With the click of a mouse or the touch of a button, (3) is possible to find out almost anything we care to know, including military (4) (affair), recipes or learning resources. To a certain extent, the world's knowledge is all at our fingertips.
The Internet has also made our lives (5) (unbelievable) convenient. We can now have food (6) (deliver) to us using food delivery apps and sites, compare styles and prices of goods quickly and easily in (7) comfort of our living room and order a taxi with a taxi app. We can also make all our travel arrangements in front of the computer and pay for almost everything on the smartphone.
Another advantage of the Internet is that it enables us (8) (establish) and maintain social ties. No matter where we are, we are able to keep in contact with loved ones, find long-lost friends and discover whole new communities (9) share our hobbies.
However, while the Internet brings many valuable advantages, we must be aware (10) its problems and be careful to use it properly and responsibly. Only in that way can the Internet be a place of discovery, wonder and inspiration for everyone.
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
35. So far, the Internet (1) (bring) us great convenience. To a certain extent, we can hardly live without it. However, it also raises all sorts of questions: when (2) (surf) the Internet, how can we protect ourselves How can we use the Internet (3) (responsible) The following guidelines may show you how to live in the digital world.
Above all else, you should use the Internet in a safe way. You must always be careful about which sites (4) (trust). One wrong click may damage your computer and remove all computer (5) (file)! Therefore, before visiting a web page, always check for signs that warn people of danger. Another (6) (help) tip is to keep your personal information private, including your phone number, address and email account.
You also need to show respect when you communicate with other online users. Leave comments politely and treat others (7) way you would like to be treated. (8) the majority of online users are nice and friendly, there might be some users that make you feel uncomfortable online. In such cases, be aware that you always have the right to say no and cut off contact. Remember that relationships (9) (establish) in the digital world are just the same (10) those you have in real life.
(1)
(2)
(3)
(4)
(5)
(6)
(7)
(8)
(9)
(10)
七、单词拼写-单句（本大题共6小题，共6.0分）
36. People from other countries a______ China's great effort in supporting the global fight against COVID-19.
37. On the stage are a number of famous singers, whose songs are welcomed by the m______ of young people.
38. I think there is no need for us to c______ on his action: it speaks for itself.
39. Livestreaming, appealing to both men and women, has become a popular form of ______ (娱乐).
40. Now, even cars can be bought on the e-commerce platforms with just a few ______ (点击) of a mouse.
41. The organizer called to tell us the specific ______ (安排) for the activity to be held next month.
八、完成句子（本大题共7小题，共14.0分）
42. 人们有必要减少花费在电子设备上的时间，多和家人朋友享受开心时光。（it作形式主语；cut back on）
______ the screen time and spend more quality time with family and friends.
43. 上网的时候，你一定要注意个人信息，它可能会被盗取。（surf；动词-ing形式作状语）
______, you must pay attention to your personal information, which can be stolen.
44. 随着通信设备的出现，人们用写信的方式来相互保持联系的日子已经一去不复返了。（倒装）
As communication devices appear, ______ people kept in touch with each other by writing letters.
45. Mr. Reed已经下定决心把他所有的存款用于在贫困地区建立学校。（set up）
Mr. Reed has made up his mind to ______ schools in poor areas.
46. 专家和老师们都认为，在某种程度上，失败不一定是坏事。（extent）
Experts and teachers all think that ______ failure is not necessarily a bad thing.
47. 他本可以拿满分的，但他太粗心了，犯了一个拼写错误。（虚拟语气）
______ but he was too careless and made a spelling mistake.
48.
最近你进行了一次主题为“互联网对友谊的影响”的调查，请将你的调查结果在英语角的活动上分享。
Recently, we carried out a survey on what effect the Internet has on friendships. People (1) (对它有不同的看法).
Fifty-five percent of people think that (2) (维持健康友谊的最好方法) is face-to-face municating through a screen can not (3) (代替真实的微笑或拥抱). Besides, online friendships may not be (4) (它们看上去的样子). Some people may (5) (被欺骗) because they can never be 100 percent sure that (6) (他们正在与之交流的人) are being honest about who they are. Friendships (7) (应该建立在信任的基础上).
Others say that the Internet (8) (在发展友谊方面起着重要的作用) as online communication can bring people closer. (9) (无论什么时候有人需要帮助), friends from all over the world can immediately provide useful suggestions. This makes friends feel loved. In addition, the Internet (10) (使交流方便得多). You can stay in touch with your friends no matter where you are or what you are doing.
(1)
(2)
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(10)
答案和解析
1~4.【答案】D、A、B、C
【解析】【文章大意】本文主要讲述了5G带来的改变以及利弊。
1. 根据第一段中的its download speed can be as fast as 20GB/s...But 5G will get it down to 1 millisecond（其下载速度可达20GB每秒，比4G快100到200倍。但更令人印象深刻的是5G的低延迟率。现在，4G发送和接收信息平均需要200毫秒。但5G将把时间缩短到1毫秒）可知，作者通过对比5G和4G来介绍5G。故选D。
2. 根据第二段中的5G is a great breakthrough...self-driving cars may be one of the biggest breakthroughs to come out of 5G.（5G是一个巨大的突破。它将改变设备连接互联网的方式，更重要的是，改变设备连接彼此的方式。自动驾驶汽车可能是5G技术带来的最大突破之一。）可知，第二段提到无人驾驶汽车是为了展示5G带来的益处。故选A。
3. 根据第三段的内容，尤其是can communicate their tasks to each other, and they can do more work over the 5G network. As a result, more labour forces will be freed（可以互相交流任务，他们可以通过5G网络做更多的工作。因此，更多的劳动力将得到解放）可知，划线短语意为“让机器人成为工人”。故选B。
4. 根据最后一段中的On the 4G network, the signal can go 10 kilometers. But the 5G signal can go at most 300 meters可知，5G信号的传输距离比4G信号短。故选C。
5~9.【答案】F、A、G、B、D
【解析】1. 【文章大意】随着新科技的出现，人们只是盯着屏幕，很少有人面对面交谈，彼此之间很少联系。在文章中作者告诉我们当科技可以让世界变得更好的时候，就使用它，反之，就关掉它。
根据上文中的I was fascinated (被迷住的) to see that she could talk to someone who wasn't actually in the room with her. When she left the room, I slowly walked over to the phone and stared at it for a while. 可知，此处是说作者想知道妈妈是怎么可以跟看不见的人说话的。故选F。
2. 根据上文中的Later, we had mobile phones that could be carried around the room和下文中的send an e-mail, smartphone可知，电脑和智能手机出现了。A项符合语境，起承上启下的作用。故选A。
3. 根据下文中的Few take the time to talk face to face. Instead of looking into the eyes of our loved ones, we stare at our screens. It seems as if the most connected generation are also the loneliest可知，G项“然而，让我们烦恼的是，如今我们很少彼此联系”符合语境。故选G。
4. 根据下文中的Have a long conversation with the phones off and the hearts on可知，此处是放下手机进行面对面交流的另一种方式，所以B项“Take a walk on the beach with a friend”符合语境。故选B。
5. 根据上文中的Remember that we are here to love each other, help each other and make this world a better place和下文But when it can't, turn it off可知，当科技可以帮助做这些事情的时候，就使用它，当它不能的时候，就关掉它。与D项相符。故选D。
10~24.【答案】C、A、C、B、B、C、D、B、A、A、B、D、D、C、D
【解析】1. 【文章大意】本文讲述了作者克服焦虑，变得勇敢、积极乐观并鼓舞其他人的故事。
句意：我曾经与焦虑作斗争，它是如此严重，以至于当夜幕降临时我害怕待在自己的房间里。此处表示作者与焦虑作斗争。A.vote against投票反对；B.argue against提出理由反对；C.fight against与……作斗争；D.turn against变得敌对。故选C。
2. 句意同上。A.serious严重的；B.usual寻常的；C.annoying使恼怒的；D.obvious明显的。根据下文中的that I was afraid to be in my own house when night came可知，作者的焦虑如此严重以至于作者夜晚害怕待在自己的家里。故选A。
3. 句意：然而，这一切从去年秋天开始改变，当时我产生了为我最喜欢的喜剧演员兼电视主持人艾伦·德杰尼勒斯写一本书的想法。A.started开始；B.repeated重复；C.changeed改变；D.worked奏效。根据However及下文作者的变化可知，这种情况在去年秋天改变了。故选C。
4. 句意同上。A.pattern模式；B.idea想法；C.guideline准则；D.request请求。根据下文中的to write a book for my favorite comedian and television host可知，此处指作者有写书的想法。故选B。
5. 句意：我在四周内撰写、编辑并出版了这本书，并获得了一些好评。A.gifts礼物；B.comments评论；C.training训练；D.education教育。根据下文中的I felt happy可推知，作者写的书获得了一些好评。故选B。
6. 句意：我感到很高兴，我认为我从这件事中学到了很多，我开始变得勇敢和积极。A.remembered记起；B.suffered遭受；C.learned学到；D.heard听说。根据下文中的started to be (7) and positive可知，作者从这件事中学到了很多。故选C。
7. 句意同上。A.honest诚实的；B.independent自立；C.patient有耐心的；D.brave勇敢的。根据语境及下文中的I am no longer afraid of what people think of me可知，作者开始变得勇敢、积极乐观。故选D。
8. 句意：然后我开始思考我是否可以在Minot做一些更有意义的事情。A.difficult困难；B.meaningful有意义的；C.formal正式的；D.creative创造（性）的。根据下文中的I joined an organization和I want to be a positive leader可知，作者想做一些更有意义的事。故选B。
9. 句意：后来，我加入了一个名为Fast Positivity的组织，该组织的目标是让我们的社区更加多元化，不用担心被年龄、种族、工作或收入等因素评判。根据下文中的bring our community together with more diversity可知，此处是说这个组织的目的。故选A。
10. 句意同上。A.fear害怕；B.awareness意识；C.benefit优势；D.procedure步骤。根据下文中的being judged by age, race, jobs or income可知，此处表示不害怕被评价。故选A。
11. 句意：在迈诺特地区认识并找到善良和充满活力的人并说服他们加入我们是一项具有挑战性的任务。A.question问题；B.task任务；C.field领域；D.arrangement约定。根据下文中的recognize and find kind and energetic people in the Minot area可知，这是一个具有挑战性的任务。故选B。
12. 句意同上。A.frighten sb. into doing sth.把某人吓得做某事；B.trick sb. into doing sth.诱使某人做某事；C.force sb. into doing sth.迫使某人做某事；D.talk sb. into doing sth.说服某人做某事。根据上文中的recognize and find kind and energetic people和下文中的 (12) them into joining us可知，找到善良的、有精力的人并劝说他们加入作者所在的组织。故选D。
13. 句意：此外，我想成为一个积极的领导者，鼓励别人追随自己的梦想。A.order命令； B.allow允许； C.invite 邀请；D.encourage鼓励。根据下文中的others to follow their dreams和I have received a large number of applications from different people who are inspired可知，作者想成为积极的领导者，并鼓励别人追随自己的梦想。故选D。
14. 句意：我不再害怕别人对我的看法，因为我终于相信自己了! A.bring up抚养；B.look after照顾；C.believe in相信；D.think about考虑。故选C。
15. 句意：现在，我每周采访一个人一次，并在我的网站上分享他们的故事。A.designing构思；B.completing完成； C.filming拍摄；D.sharing分享。根据语境及下文中的their stories on my website可知，作者将他们的故事分享到自己的网站上。故选D。
25.【答案】【小题1】
take off
【小题2】
to get in the way
【小题3】
is glued to
【小题4】
belonging to
【小题5】
bring up
【小题6】
above all
【解析】1. 句意：当人们注意到手机支付给日常生活带来的便利时，它开始走红。take off走红，结合设空前began to可知，设空处应填动词原形。故填take off。
2. 句意：他不会让焦虑妨碍他工作。get in the way妨碍，固定短语。分析句子结构可知，allow sb/sth to do sth.允许...做某事，固定短语，其后用动词不定式作补语。故填to get in the way。
3. 句意：莎拉紧盯着网页，试图找到她需要的学习资源。根据句意及备选项可知，此处be glued to紧盯着，符合句意。本句描述的是现在的一种情况和状态，应用一般现在时。且主语是she，谓语动词用三单形式。故填is glued to。
4. 句意：游客在离开酒店前，带上属于自己的一切物品。 belong to属于，没有被动语态，没有进行时态，因此使用动词-ing形式做定语，表主动。故填belonging to。
5. 句意：他非常清楚在会议上什么话题该提，什么话题不该提。bring up提出，固定短语。分析句子结构可知，句中情态动词should（not）+动词原形。故填bring up。
6. 句意：我想雇佣一个擅长英语的大学生，最重要的是，他或她必须有责任感。根据句意及备选项，above all最重要的是，尤其是，符合语意，故填above all。
26.【答案】requesting
【解析】考查非谓语动词。句意：我们的5G产品的发布会进展很顺利，几乎所有的观众都要求了解更多的关于它们的信息。分析句子结构可知，此处是“with +宾语+宾补”结构，且almost all of the audience与request之间是逻辑上的主谓关系，故用动词-ing形式。故填requesting。
27.【答案】guidelines
【解析】考查词形转换。句意：政府起草了关于“互联网+医疗”服务的指导方针，这促进了医疗服务的发展。分析句子结构可知，guideline为可数名词，且空前没有限定词。故填guidelines。
28.【答案】obviously
【解析】考查副词。句意：显然正确的是为孩子们提供平等的机会来发展他们的特殊天赋。分析句子结构可知，空处作状语，修饰形容词right，故用副词形式。故填obviously 。
29.【答案】are removed
【解析】考查被动语态。句意：如果去掉食物中的油和盐，食物尝起来就像少了什么。分析句子结构可知，fat and salt与remove之间是动宾关系，故用被动语态；又因fat和salt是两种食物，故be动词应用are。根据句意可知句子描述的是一种客观事实，应用一般现在时。故填are removed 。
30.【答案】to reveal
【解析】考查非谓语动词。句意：科学家们正在尽一切努力，深入表面信息之下，以揭示隐藏的可能性。分析句子结构可知，设空处表示目的，应填动词不定式作目的状语。故填to reveal。
31.【答案】scary
【解析】考查词形转换。句意：变化可能会令人害怕，但正是在变化期间，一些最好的机会出现了。分析句子结构并根据句意可知，设空处作be动词的表语，scare的形容词为scary，意为“吓人的”。故填scary。
32.【答案】had quit/quitted
【解析】考查动词的时态。句意：记者采访Dick的时候，他已经辞去了原来的工作，正在一个小山村里当志愿者。根据时间状语从句的时态可知，Dick在采访前就已经辞去原来的工作，设空处表示的动作发生在过去的过去，故用过去完成时。故填had quit/quitted 。
33.【答案】in
【解析】考查介词。句意：调查显示，缺乏父母的爱是导致青少年沉迷电脑游戏的主要原因。根据设空前being lost可知填in，be lost in意为“沉浸于”，是固定搭配。故填in。
34.【答案】【小题1】
accessing
【小题2】
lies
【小题3】
it
【小题4】
affairs
【小题5】
unbelievably
【小题6】
delivered
【小题7】
the
【小题8】
to establish
【小题9】
who/that
【小题10】
of
【解析】1. 考查非谓语动词。句意：如今，我们可以通过访问互联网实现任何事情，这有一些真正改变生活的优势。分析句子结构可知，空处作介词by的宾语，故用动词-ing形式。故填accessing 。
2. 考查动词的时态和主谓一致。句意：互联网的最大优势之一在于可以快速轻松地访问大量信息。
根据语境可知，此处陈述客观情况，故用一般现在时。主语是One of the greatest advantages，故谓语动词用单数形式。故填lies。
3. 考查代词。句意：只需点击鼠标或轻触按钮，就可以找到我们想知道的几乎所有内容，包括军事事务、食谱或学习资源。分析句子结构可知，此处是it作形式主语，真正的主语是后面的动词不定式。故填it。
4. 考查名词复数。句意同上。分析句子结构可知，空处作including的宾语，且根据military可知，空处应用名词，且affair作“（有关某话题的）事务”讲时，常用复数形式，故填affairs。
5. 考查副词。句意：互联网让我们的生活变得无比便利。分析句子结构可知，空处修饰形容词convenient，故用副词形式。故填unbelievably 。
6. 考查非谓语动词。句意：现在，我们可以通过外卖应用程序和网站享受外卖服务，在舒适的客厅里轻松快捷地比较商品的款式和价格，还可以通过打车软件叫辆出租车。have sth. done意为“让（他人）为你做（某事）”，是固定用法。故填delivered 。
7. 考查冠词。句意同上。in comfort 意为“舒服地”，是固定搭配。根据句意可知，此处特指在客厅舒服比对商品款式和价格这件事，故在名词comfort之前加定冠词the，故填the。
8. 考查非谓语动词。句意：互联网的另一个优点是它使我们能够建立和保持社会联系。enable sb. to do sth.意为“使某人能够做某事”，是固定用法。故填to establish。
9. 考查定语从句。句意：无论我们身在何处，我们都能与所爱的人保持联系，找到久违的朋友，发现与我们有共同爱好的新组织。分析句子结构可知，空处引导定语从句，指代先行communities，且空处在从句中作主语，故填关系代词。故填who/that。
10. 考查介词。句意：然而，在互联网带来许多有价值的优势的同时，我们必须意识到它的问题，正确和负责地谨慎使用它。be aware of意为“意识到”，是固定短语。故填of。
35.【答案】【小题1】
has brought
【小题2】
surfing
【小题3】
responsibly
【小题4】
to trust
【小题5】
files
【小题6】
helpful
【小题7】
the
【小题8】
Although/Though/While
【小题9】
established
【小题10】
as
【解析】1. 考查动词的时态和主谓一致。句意：到目前为止，互联网给我们带来了极大的便利。根据So far可知，此句应用现在完成时，且主语the Internet为单数，故填has brought。
2. 考查状语从句的省略。在状语从句中，如果从句的主语和主句的主语相同，且从句谓语中有be动词时，则可以省去从句的主语和be动词。此处完整的状语从句为when we are surfing the Internet，省去主语和be动词后为when surfing the Internet。故填surfing。
3. 考查副词。分析句子结构可知，空处修饰动词use，应用副词。responsibly意为“认真负责地”，故填responsibly。
4. 考查非谓语动词。此处为“特殊疑问词+动词不定式”结构。故填to trust。
5. 考查名词复数。file为可数名词，根据空前的all可知，此处应用名词复数，故填files。
6. 考查形容词。分析句子结构及根据句意可知，空处修饰tip且意为“有用的”。故填helpful。
7. 考查冠词。句意：礼貌地留下评论，以你希望别人对待你的方式对待别人。名词way被定语从句you would like to be treated修饰，为特指，应用定冠词the。故填the。
8. 考查状语从句的引导词。句意：尽管大多数网络用户和蔼又友好，但网上可能仍有一些用户会让你感到难受。根据句意可知，设空处引导让步状语从句，应用although/though/while。句首单词的首字母需大写。故填Although/Though/While。
9. 考查非谓语动词。句意：记住，在数字世界中建立关系和你在现实生活中建立关系是一样的。分析句子结构可知，establish与relationships之间是逻辑上的动宾关系，应用动词-ing形式作后置定语。故填established。
10. 考查介词。句意同上。the same as意为“与……相同”，为固定搭配。根据句意可知，此处是指在网络中的关系和现实生活中的关系是一样的。所以此处应用介词as。
36.【答案】appreciate
【解析】句意：各国人民为中国支持全球抗击新冠肺炎疫情作出的巨大努力表示由衷的感谢。根据句子意思和首字母提示，应填appreciate感激，感谢。主语people是复数，且此句描述的是现在的情况，应用一般现在时。故填appreciate。
37.【答案】majority
【解析】句意：舞台上有许多著名的歌手，他们的歌曲受到大多数年轻人的欢迎。根据句意和首字母提示空处应填majority；the majority of固定短语，意为“大多数的”。故填majority。
38.【答案】comment
【解析】句意：我认为我们没有必要评论他的行为，这不言自明。分析句子可知，动词不定式to c______ on his action作后置定语，修饰need。结合句意和首字母提示，动词comment“评论”符合题意。故填comment。
39.【答案】entertainment
【解析】句意：对男性和女性都有吸引力的直播，已经成为一种流行的娱乐形式。分析句子结构，a popular form of ______ (娱乐) 可知，空处应填名词单数。根据句意和提示，应填entertainment。故填entertainment。
40.【答案】clicks
【解析】句意：现在，只要点击几下鼠标，就可以在电商平台上购买汽车。根据a few ______ (点击) of 可知，空处填可数名词复数。再结合句意和提示，可知空处应填clicks。故填clicks。
41.【答案】arrangements
【解析】句意：组织者打电话告诉我们下个月举办的活动的具体安排。根据句意及the specific ______ (安排) 可知，空处应填名词arrangement，当arrangement作“安排”讲时，常用复数形式。故填arrangements。
42.【答案】It is necessary for people to cut back on
【解析】根据汉语提示可知，空处缺少“人们有必要减少”之意。it is necessary for sb. to do sth...，固定句型，意为“对某人来说做某事是有必要的”，cut back on缺少，固定短语。根据语意可知，此处描述的是一种客观事实，应用一般现在时，故谓语动词用三单形式。it位于句首首字母大写。故填It is necessary for people to cut back on。
43.【答案】When surfing the Internet/Surfing the Internet
【解析】设空处意为“上网的时候”。上网surf the Internet；结合提示信息，此处应用surf动词-ing形式，surfing作状语；也可用when surfing the Internet。句首单词的首字母需大写，故填When surfing the Internet/Surfing the Internet。
44.【答案】gone are the days when
【解析】对照中英文，设空处为缺少“日子已经一去不复返了”之意。the days日子；be gone一去不复返；本句描述的是一种客观事实，用一般现在时，故the days are gone表示“日子已经一去不复返”之意。the days are gone句子完整不缺少成分，先行词为the days，故应用关系副词when引导定语从句。结合提示和倒装用法，应为gone are the days when。故填gone are the days when。
45.【答案】devote all his savings to setting up
【解析】根据中英文对照，设空处缺少“把他所有的存款用于建立”之意。all his savings他所有的存款；devote sth to doing sth把……献给做某事；set up建立。结合句意，故填devote all his savings to setting up。
46.【答案】to some/a certain extent
【解析】设空处意为“在某种程度上”。结合提示词extent，此处应为固定短语“to some/a certain extent”。故填to some/a certain extent。
47.【答案】He could have gained full marks
【解析】根据中英文对照，可知设空处缺少“他本可以拿满分的”之意。gain full marks拿满分。结合句意和提示要求，此处应用虚拟语气中的与过去事实相反，故填could have done。故填He could have gained full marks。
48.【答案】【小题1】held different opinions about it
【小题2】the best way to maintain healthy friendships
【小题3】replace a real-life smile or hug
【小题4】what they appear to be
【小题5】get/be cheated
【小题6】the people they are talking to
【小题7】should be built on the basis of trust
【小题8】plays an important role in developing friendships
【小题9】Whenever someone needs help
【小题10】makes communication much more convenient
【解析】1. 根据提示词可知，hold different opinions about sth.对……不同的看法，固定短语。根据语境可知，此处应用一般过去时，故谓语动词应用held。故填held different opinions about it。
2. 分析括号内的提示词可知，the way to... 通向...的方法；healthy friendships健康友谊；maintain维持。故应填the best way to maintain healthy friendships。
3. 分析括号内的提示可知，replace代替；a real-life smile or hug真实的微笑和拥抱。根据语境可知，can not后接动词原形，故此处应用动词原形replace。故填replace a real-life smile or hug。
4. 根据提示词可知，appear to be看上去的样子，固定短语。设空处是表语从句，从句中缺少表语，故用what引导。故填what they appear to be。
5. cheat欺骗；根据提示可知，设空处应用被动语态，即be done。因设空前有情态动词may，故此处应填be cheated。且get也可作系动词。故填get/be cheated。
6. talk to...交流，固定短语；分析句子结构可知，设空处应填定语从句，关系词代替先行词the people，在限制性定语从句中作宾语，用that或者省略。故填the people they are talking to。
7. build on建立；the basis of...在……基础上；trust信任。根据语境和提示，主语Friendships，与谓语build on之间是被动关系，故此处应用被动语态be built on，又因should后用动词原形。故填should be built on the basis of trust。
8. play an important role in doing...在……中扮演重要角色...；develop friendships发展友谊。根据语境可知，此句用一般现在时，谓语动词用三单形式，主语为the Internet ，故谓语动词应用plays。故填plays an important role in developing friendships。
9. 根据提示可知，whenever无论什么时候；need help需要帮助。根据语境可知，此句用一般现在时，句首字母需大写。故填Whenever someone needs help。
10. 根据提示词可知，communicate交流；more convenient方便得多；much修饰比较级；“使...”用使役动词make。根据语境可知，此句用一般现在时，设空前主语为the Internet，故谓语动词用makes。故填makes communication much more convenient。
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