Book 4 Unit 1 Advertising
[阅读理解组块练]
Ⅰ.阅读理解
A
(湖南省长沙市雅礼中学、河南省实验中学2018届高三联考)LIANG TAO sold 80 pink Givenchy bags in 12 minutes.Becky Fang sold 100 Mini Cooper cars in just five.Both are wanghong, literally “redhot on the web”．Every day millions of Chinese search social media for wanghong posts or tune in to livestreams for wanghong's opinions on everything.The fans are helping this new Chinese Internet star to make money out of their popularity—and to shake up the country's ecommerce industry in the process.
A few of wanghong have been hired by luxury brands.JaegerLeCoultre, a Swiss watchmaker, hired Papi Jiang for a video ad targeting young urbanites (都市人), including her 27m fans on Sina Weibo, a Twitterlike microblog.Zhang Yi of iiMedia Research, a consulting firm, estimates that up to 15% of sales on shopping sites like Taobao or socialmedia apps such as WeChat are influenced by
wanghong's public support.The length of a dress might be decided by a survey of a wanghong's fans; its launch date might be based on the number of hits, shares or
comments it collects, some of which can cause lastminute design changes.
This poses a new challenge for retailers(零售商), whose supply chains must respond ever more quickly to wanghong's opinions.Whereas previously a company would look for a celebrity to match its image, wanghong and their admirers are shaping goods.
Another challenge comes directly from wanghong themselves.They increasingly make money not merely from online support or advice but by launching their own ecommerce stores.Sales of goods accounted for just under half of wanghong earnings of 53bn yuan ($8bn) in 2016, estimates Analysys, a Chinese marketresearch firm (the rest came mostly from liveshow tips and adverts)．
Some wanghong are going a step further.In November Becky Fang launched her own clothing line.Part of her motivation, she says, was that the brands she supported did not always match the trends she was sharing with her followers.By creating her own brand, Becky's Fantasy, she have full control of the quality.She also gains a new income.For the time being only 35% of wanghong follow Becky Fang's example, iiMedia Research estimates.But it expects the model to become an industry in its own right, including entertainment and ecommerce, and driven by online data.
1．Why can wanghong use their popularity to make money?
A．Because they are Internet stars.
B．Because they use social media.
C．Because their opinions influence fans.
D．Because they can shake the ecommerce industry.
2．What is the characteristic of the products supported by wanghong?
A．It is fansbased.
B．It is socialmediabased.
C．It is designshared.
D．It is youthtargeted.
3．What are the challenges for retailers?
A．Online support and advice.
B．Increasing sales of goods online.
C．Quick responses to the market changes.
D．Wanghong's opinions and ecommerce stores.
4．Why do some wanghong create their own brands?
A．Because they want to attract more fans.
B．Because they want to share with their followers.
C．Because they want to set up a new industry model.
D．Because the brands they speak for can't satisfy their fans.
【答案与解析】
1．C 细节理解题。根据第一段中Every day millions of Chinese search social media for wanghong posts or tune in to livestreams for wanghong's opinions on everything.The fans are helping this new Chinese Internet star to make money out of their popularity…可知，网红会利用自己的人气赚钱，那是因为他们的观点影响着粉丝。故C项正确。
2．A 推理判断题。根据第二段中The length of a dress might be decided by a survey of a wanghong's fans；…some of which can cause lastminute design changes.可知，网红所支持的产品的特点是以粉丝为基础的。故A项正确。
3．D 细节理解题。根据第三段中This poses a new challenge for retailers(零售商), whose supply chains must respond ever more quickly to wanghong's opinions.
和第四段的内容可知，网红的观点和他们开设的网上商店是对零售商的挑战。故D项正确。
4．D 细节理解题。根据最后一段中…the brands she supported did not always match the trends she was sharing with her followers.可知，网红之所以创造他们自己的品牌是因为他们代言的品牌不能满足他们的粉丝。故D项正确。
B
Why do I volunteer with Big Brothers Big Sisters of America？I have many reasons.Perhaps the biggest reason is that someone volunteered to help me.Years ago，I was on the other side of the table.I was lonely and felt kind of lost.More than once，I found myself on the wrong side of a jail cell.If someone hadn't stepped in，I probably wouldn't even be here right now.
I've seen the work that Big Brothers Big Sisters has been doing all over the country and I'm pleased to be part of it.I've never done anything that made me prouder than my volunteering work.Big Brothers Big Sisters helped me get my head on straight.There are no words to describe the joy I get from helping somebody turn their life around.
Don't tell anyone I said that，but volunteering is probably the fastest way to get over sadness or depression.Every time I start to feel bad，I talk to someone who needs my help and it makes me feel better and worse all at the same time.I feel better，because doing good things fills me with a sense of pride.I feel worse because I feel I have no right to complain about my situation especially when I
hear what others are going through.
I've_come_a_long_way_from_where_I_was and volunteering is a good way for me to be reminded of that.Volunteering is how I want to leave my mark on the world.I recommend volunteering work to everybody，especially for somebody who isn't sure where they're going in life.Helping someone find their path is often the best way to find yours.
5．But for the one who helped him，the writer________.
A．would have gone to prison
B．would be a dangerous guy now
C．would have been killed by others
D．would be still alone and lost now
6．Why does the writer sometimes feel worse when volunteering?
A．Because he is so sorry for his complaining.
B．Because volunteering is in fact not a piece of cake.
C．Because he is forbidden to complain about his difficulties.
D．Because helping others can't always give him a sense of pride.
7．The underlined part in the last paragraph means________.
A．going back has been impossible
B．volunteering has improved the writer a lot
C．the writer has a long way to go before getting noticed
D．the writer values the old good days at Big Brothers Big Sisters
8．What can we infer from the last paragraph?
A．Only by helping others can we find the path in life.
B．Big Brothers Big Sisters will become famous one day.
C．The writer has decided to devote his life to volunteering.
D．Big Brothers Big Sisters will leave every member's mark on the world.
【答案与解析】
5．A 推理判断题。由第一段中的最后两句可推断出，如果当时不是那个好心人的主动帮助，作者就险些入狱了。
6．A 细节理解题。由第二段中的最后一句可知，作者得知还有很多比自己遭遇更惨的人后，为自己曾经怨天尤人的态度感到深深的懊悔。
7．B 推理判断题。通读上下文可知，作者从险些入狱到成为一名志愿者，这对他来说无疑是巨大的转变，是志愿服务让他脱胎换骨。
8．C 推理判断题。由该段中的Volunteering is how I want to leave my mark on the world.可知，作者已决定献身于志愿服务事业。其他选项在文中并无信息支持。
C
(安徽省六安市毛坦厂中学2018届高三下学期四月月考)Today different online exercise programs are challenging the concept of traditional fitness models.Gyms and health clubs are no longer limited to “the four walls”．Digital extensions of traditional fitness are appearing, and to reach as many people as possible, the fitness industry is expanding its boundaries through virtual (虚拟的) fitness and accepting the latest scientific findings and technological advancements in health, technology.
Exergames (运动游戏) are a combination of physical exercise and digital games.Now fun and fitness are combined in various digital gaming products, products like Wii Fit Plus, Fitness Evolved, and Kinect Sports.What's more, health technology is often built using principles of neuroscience, a science focused on studying the brain, Fitness Evolved, for example, focuses on stress and how you react to different stressors.This program helps you feel less threatened (受到威胁的)
by targeting your specific stressors and then adjusts based on your interaction with the app.
Now there are a lot of smart exergames, one of which is BurnAlong.This online video platform combines the advantages of having a human instructor with the perks of practicing in the comfort of your own home. The platform lets users connect with whoever makes them feel most motivated—be it their favorite gym instructors, or friends who might be living on the opposite side of the country. A wide variety of programs are offered through the platform, as well as different effort levels, so everyone can find something that suits their level of fitness.
Another example is Zwift, an online multiplayer video game besed on indoor cycling.It allows you to join an online cycling group that includes members from over 150 countries.BitGym is also a smart virtual fitness app.As you train, you're given beautiful virtual scenery to look at, complete with natural sounds and locationspecific facts. For this app, all you need to do is place your smartphone or tablet on your sports machine.
9．What is the purpose of mentioning Fitness Evolved in Paragraph 2?
A．To show how health technology is built.
B．To explain what exergames actually are.
C．To prove the popularity of digital products.
D．To give a skill of managing stress in sports.
10．What does the underlined word “perks” in Paragraph 3 probably mean?
A．Ways. B．Benefits.
C．Chances. D．Problems.
11．In which exergame you are exposed to virtual natural beauty?
A．Kinect Sports. B．BurnAlong.
C．Zwift. D．BitGym.
12．What does the author think of digital gaming products?
A．They are the best in improving health.
B．They cast users a great deal of money.
C．They bring certain convenience to users.
D．They suit people of various age groups.
【答案与解析】
9．A 推理判断题。根据第二段中“This program helps you feel less threatened (受到威胁的) by targeting your specific stressors and then adjusts based on your interaction with the app.”可知，在第二段中提到Fitness Evolved的目的是为了展示虚拟健身科技的设计原理。故选A。
10．B 词义猜测题。根据第三段中“This online video platform combines the advantages of having a human instructor with the perks of practicing in the comfort of your own home.”这个在线视频平台把一个人类教练的优势和在舒适的家中练习的好处结合起来。由此推知，画线词的意思是“利益，好处”，故选B。
11．D 细节理解题。根据最后一段中“BitGym … you're given beautiful virtual scenery…”可知，在BitGym你能欣赏到虚拟的自然美景。故选D。
12．C 推理判断题。根据第二段中“Now fun and fitness are combined … and Kinect Sports.”和第三段中“A wide variety of programs are offered through the platform … that suits their level of fitness.”可知，作者认为数字游戏产品为用户带来了一定的便利。故选C。
D
(湖南省三湘名校教育联盟2018届高三第三次联考)When asked how technology might improve the lives of people with vision impairments (视力障碍), Joann Becker presented a misleadingly simple challenge.“Well，” the vision impairments tech specialist recalls saying.“I'd like to be able to find my bus stop through Be My Eyes”．
Be My Eyes, which went live in 2015, establishes a direct video connection between visually impaired users and sighted volunteers.The assumption is simple: Many people who are blind don't need any actual assistance in completing their daily tasks, but merely need a little help.
A sighted volunteer might be asked to help identify which of two cans contains tomatoes.In this case, the visually impaired user can cook a meal just fine on his/her own—all he/she needs is a quick confirmation that he/she has the correct can.The model appears to be working; more than 540,000 volunteers and nearly 40,000 people with low vision are registered on the app.
“An elderly woman can now help a visually impaired technician set up his computer，” says founder Hans Wiberg, who has very low vision.“She doesn't need to know a thing about computers.She only needs to read what is presented on the screen.Then he can do the rest.”
Early assistive technology centered on dedicated devices (专用设备), because of the niche market (缝隙市场), which sold for hundreds or even thousands of dollars.But the smartphone, multipurpose and nearuniversal, has completely changed the economy of scale.
“There are larger market forces driving highpowered computation, highquality engineering and highquality battery management in the smartphone market than those in a specialty product，” says Aaron Steinfeld, a research professor at the Robotics Institute at Carnegie Mellon University.
“The reality is, most sighted people don't know somebody who is blind.” Becker says.“They think the solutions that a blind person needs are far more expansive, it turns out, they need to be.I think these apps are enabling sighted people to see that blind people just need some simple clues to help them do any number of things in their lives.”
13．What is the first paragraph used for in the text?
A．Showing the main idea.
B．Introducing the topic.
C．Giving one example.
D．Making a conclusion.
14．How does the app Be My Eyes work?
A．By creating a video link between the blind and sighted one.
B．By recognizing which of two cans have tomatoes and cooking.
C．By establishing a highquality engineering and computation.
D．By flashing the everyday tasks of the technician and volunteers.
15．From the text we can know ________.
A．only people with low vision are registered to use the app
B．slight assistance can help the blind free from some troubles
C．volunteers should be very familiar with hightech computers
D．Joann Becker thinks it hard to find a bus stop by using Be My Eyes
【答案与解析】
13．B 推理判断题。第二段第一句是本文话题句，由此可知第一段“I'd like to be able to find my bus stop through Be My Eyes”．是为了介绍文章话题。故答案为B。
14．A 细节理解题。根据第二段第一句可知，the app Be My Eyes通过在有视觉障碍的人和视力正常的人之间建立一个视频链接来工作。故选A。
15．B 推理判断题。根据最后一段最后一句可知，微小的帮助可以为盲人解决一些麻烦。故选B。
Ⅱ.七选五
(北京市海淀区2018届高三二模英语试题)
Sleep and Teens—Biology and Behavior
How much sleep do teens need? And how much sleep are they realistically getting? Based on current data, most teens need about 9plus hours to have the best or most suitable sleep night. 1
Many factors combine to decrease sleep in adolescents.We can think in general of two major factors: biological, the brain processes that regulate the amount and timing of sleep, and behavior, all the psychological, parental, societal, cultural features of teen's life.
2 These changes lay the ground work for the biological night to occur later during the teen years than before.Circadian Rhythms (daily biological clock) seems to slow down as young people progress through the middle school years.At the same time, the sleep pressure system appears to change in a way that makes it easier to stay awake longer, though without changing the amount of sleep that is needed.
Moreover, many teens have a “technological playground” in their bedrooms: television, computer with 24/7 Internet access, telephones, electronic game stations, MP3 players, and so forth.These technologies provide instant and constant contact with peers.Societal and media pressure to consume these technologies is now higher than ever.Yet society also requires that teens go to school at a time of day that is at odds with their biological and social lives.So we see teens turn to caffeine, latenight Internet and cramming in activity after activity as a means to keep awake. 3
Problems emerge for lack of sleep. 4 For some, grades begin to suffer as they struggle to keep awake during class and while doing homework.And others may simply feel moody, never knowing how to feel or do their best.Worse still, many teens suffer from both physical and mental illness.
5 The earlier teens can start this good sleep habit, the easier it will be for them to stay healthy, happy and smart.
A．Sleep experts recommend teens keep consistent sleep and wake schedule.
B．Teens may schedule sleep like any other daily activity and make sleep a priority.
C．Then they are trapped into a terrible situation where they would never get enough sleep.
D．The sleepwake bioregulatory factors appear to change significantly during adolescence.
E．Some teenagers struggle to wake up in the morning, often resulting in late or missed school.
F．Teens may be driven to things that can wake them up because they'll fall asleep if they do not.
G．However, it is indicated that most teens fall short of this goal, many by a
considerable amount.
【答案】1～5 GDCEA
[语言知识运用组块练]
Ⅰ.完形填空
Years ago，I worked at the Ringling Brothers Barnum & Bailey Circus.One day，as I was passing the elephants，I suddenly stopped，__1__by the fact that these huge creatures were being held by only a small rope tied to their front leg.It was__2__that they could，at any time，break free，__3__strangely enough，they didn't.I asked a trainer the__4__for this. He said，“When they were very young we used the__5__size rope，and it was enough to hold them.As they grow up，they believe the rope can__6__hold them，so they never try.”
Like the elephants，how many of you believe you cannot do a thing，simply because you__7__once before？Do you often tell__8__“I cannot dance” or “I'm not good at math”？
These are__9__of selflimiting beliefs.You must realize you're__10__for them.A limiting belief that says you're poor at math may have__11__as a reaction to the embarrassing experiences related to math，or the remarks made by someone
important to you which__12__you.The cool thing is that because you create the__13__you can choose to change it！Here is how：
First，__14__it with “I am good at math.” Once you change your__15__，your subconsciousness will make this__16__by driving you to act.That might be to take a math course or to go online__17__help，etc.Gradually you'll really see your math skills are__18__.
This is such a simple process that you can__19__it today.Don't be like the poor elephant and make your life__20__at a place because of a limiting belief you developed years ago.
1．A.excited B．confused
C．discouraged D．worried
2．A.impossible B．doubtful
C．uncertain D．obvious
3．A.but B．or
C．and D．so
4．A.case B．result
C．reason 5．A.same C．smaller 6．A.narrowly C．still 7．A.did C．tried 8．A.yourself C．your teacher 9．A.causes C．results 10．A.conscious C．responsible D．choice
B．bigger
D．different
B．almost
D．hardly
B．failed
D．succeeded
B．others
D．your partner
B．stories
D．examples
B．honest
D．depended
11．A.stopped C．changed 12．A.interested C．bored 13．A.belief C．embarrassment 14．A.represent C．mix 15．A.action C．aim 16．A.come true C．on guard 17．A.at
B．referred
D．originated
B．disappointed
D．inspired
B．experience
D．remark
B．compare
D．replace
B．thought
D．plan
B．run out
D．keep cool
B．by
C．for D．in
18．A.improved B．judged
C．realized D．recognized
19．A.finish B．continue
C．keep D．begin
20．A.involved B．stuck
C．unfinished D．changed
【答案与解析】
1．B 由这些庞大的动物仅仅用一根细绳绑住前腿可知，作者感到困惑。confused“困惑的”。
2．D 句意：很明显他们在任何时候都可以挣脱。it is obvious that意为“明显的是”。impossible“不可能的”；doubtful“怀疑的”；uncertain“不确定”。
3.A 由下句句意可知此处表转折。故用but。
4.C 根据文章可知作者向驯兽师询问“缘由”。
5.A the same size rope意为“同样粗细的绳子”。
6.C 由上下文可知，当他们长大的时候，他们相信绳子“依然”能够拴住他们，因此他们从不尝试。
7．B 由语境可知，像大象一样，很多人仅仅因为以前“失败”过一次，就相信自己不能做某事。fail意为“失败”。
8．A 根据后面“I cannot dance”，可知你告诉“你自己”。
9．D 句意：这是自己局限自己的例子。后面提到了数学差的事例(examples)。
10．C 由句意可知，你必须意识到你要对它们负责。be responsible for意为“对……负责”。
11．D 句意：一种局限的信念认为数学差是起源于和数学有关的尴尬的经历。originate意为“起源于”。
12．B 此处是对你重要的人做出的让你“失望地”评价。
13．A 因为是你自己产生的这种“信念”。belief“相信；信念”。
14．D 根据句意可知“用我擅长数学来代替”。replace“代替”。
15．B 由上文可知因为自己失败过而不相信自己能成功，故此处指“一旦改变了思想”。action“行动”；thought“思想”；aim“目标”；plan“计划”。
16．A 句意：你的潜意识驱使着你去行动，让你实现这一切。come true“实现”。
17．C for help意为“为了寻求帮助”。for是介词，意为“为了”。
18．A 由前文skills可知，此处应用“improve”，表示“提高技能”。improve改善；提高；judge判断；realize实现；recognize认出。
19．D 句意：这是一个如此简单的过程，你可以从今天就开始。
20．B 由上下文可知，不要让生活“固定”在一个地方。be stuck at意为“被困于……”。不要像那只可怜的大象一样，仅仅因为多年前形成的观点，而让你的生活固定在一个地方。
Ⅱ.语法填空
(河北省衡水中学2018届高三模拟押题卷二)Roofs and windows of buildings aren't the only surfaces that can be used to produce solar power.In China，1.________(construct)has begun of the country's first solar highway, in which solar panels are placed underneath transparent concrete.
The solar highway is a 2 km stretch(一段)of road 2.________(lie)on the Jinan City Expressway, and it's divided into three layers.The seethrough concrete protects a set of solar panels of two 3.________(size)．Beneath the solar panels 4.________(be)a layer that separates them from the damp ground.
The road 5.________(it)has already been completed, and now it's only a matter
of connecting the grid(输电网), 6.________ is expected to be finished by the end of the year alongside the completion of the Jinan Expressway's south section.
This isn't the first solar road China has worked on.Earlier this year, the Qilu Transportation Development Group, also handling the Jinan Expressway solar road，7.________(build)a 160meterlong solar road in 8.________city of Jinan.It has the ability of heating up to keep the highway clear 9.________ snow and ice and is able to 10.________(wireless) charge electric vehicles.The new solar highway is expected to one day be equipped with the same features.
【答案】1.construction 2.lying 3.sizes 4.is 5.itself 6.which 7.built 8.the 9.of 10.wirelessly
[书面表达组块练]
Ⅰ.短文改错
Many people complain that life changes too fast.But the taste for the food we grew up with hardly fades.I grow up in a family of three generations under one roof.Live together with dozens of relatives proved to be a great fun.My grandma should tell us amazing ancient stories while making cakes in the shape of lovely animals for us.My uncle，he works at a local restaurant，would bring some of his best dishes back home to share in the family.I have traveled to other place in China，but ever have I tasted any dish better than my uncle's.
The TV program，A Bite of China，is more than about food.It is wellreceived indeed.As food lovers，we attracted by the impressivelooking food，and we are more impressed by people's love for the food，the hometown and their culture.
【答案】
Many people complain that life changes too fast.But the taste for the food we grew up with hardly fades.I grow up in a family of three generations under one
grewroof.Live together with dozens of relatives proved to be ＼a great fun.My
Livinggrandma should tell us amazing ancient stories while making cakes in the shape
wouldof lovely animals for us.My uncle，he works at a local restaurant，would bring
whosome of his best dishes back home to share in the family.I have traveled to
withother place in China，but ever have I tasted any dish better than my uncle's.
placesneverThe TV program，A Bite of China，is more than about food.It is wellreceived indeed.As food lovers，we ∧ attracted by the impressivelooking food，and we
arebutare more impressed by people's love for the food，the hometown and their culture.
Ⅱ.书面表达
英语课上，老师要求同学们分享自己最喜欢的一则广告。假定下图是你分享的广告，请你根据以下要点提示，准备一篇发言稿。
要点提示：
1．描述这则广告；
2．这则广告如何吸引了你；
3．你从广告中得到的启示。
注意：1.词数100左右；
2．开头和结尾已经给出，不计入总词数。
Hello, everyone! I would like to share one of my favorite advertisements with you.
_____________________________________________________________
_____________________________________________________________
That's all.Thank you for listening.
【参考范文】
Hello,_everyone!_I_would_like_to_share_one_of_my_favorite_advertisements_with_you.
My favorite advertisement is a public service advertisement that inspires us to develop a positive attitude towards life.The slogan is “Smile and the Whole World Smiles with You.” The designer uses a tree whose leaves are energetic to represent life.
What attracts me most is that the advertisement sends us a message: if we look at life positively, we will be rewarded with love, confidence, happiness and success.So a positive attitude is the key to our happy life.
In my view, our life is short and all of us may get into trouble from time to time.If we focus on the bright side of life, we will be brave enough to face any difficulty that lies ahead of us so that we can enjoy life to the fullest.
That's_all.Thank_you_for_listening.
[单元基础回顾练]
Ⅰ.单句语法填空
1．China has increased supply of lowrent apartments recently, ________(aim) to help lowincome families have places to live in.
2．The Seventeenth Food Exhibition held in Nanjing on January 26th, 2018 ________(appeal) to many people from the world.
3．Since the matter was extremely ________(urge)，two policemen were sent to deal with it on the scene immediately.
4．If you put a stone in the way of an ant, it will go around, over, under or on top, without stopping, until it finds a way to get ________ it needs to be.
5．Please explain it to us again because your meaning didn't really get________.
6．Keeping your body in shape is __________ (benefit) to mental health.
7．At the party they sang，danced，ate，drank and played tricks ________each other.
8．It was meant ________(be) just a onetime show，but it was so popular that they continued it.
9．The programme is designed ________(help)people who have been out of work for a long time.
10．We strongly recommend ________(report) the incident to the police.
【答案】1.aiming 2.appealed 3.urgent 4.where
5．across 6.beneficial 7.on 8.to be 9.to help 10.reporting
Ⅱ.一句多译
1．只有用这种方法才能说服他戒烟。
①Only by this means is it possible to persuade him________ ________ smoke.
②Only by this means is it possible to persuade him________ ________ smoking.
③Only by this means is it possible to persuade him to ________ ________ smoking.
2．这个新规定对所有相关的人都有好处。
①The new regulation will be________ ________to everyone concerned.
②The new regulation will be __________to everyone concerned.
③The new regulation will__________ everyone concerned.
④Everyone concerned will ________ ________the new regulation.
3．随着期末考试的临近，老师敦促我们努力学习。
①Our teacher urges us ________hard with the final exam drawing near.
②Our teacher urges us________ studying hard with the final exam drawing near.
③Our teacher urges that we ________hard，as the final exam is drawing near.
4．如果你不知道如何处理这个问题，我建议你向李先生求教。
①If you don't know ________ ________do with it，I suggest you turn to Mr.Li for advice.
②If you don't know ________ ________deal with it，I suggest you turn to Mr.Li for advice.
5．我建议你在做任何决定之前要认真考虑。
①I recommend you/your__________ carefully before you make any decision.
②I recommend you ________ ________carefully before you make any decision.
③I recommend that you __________carefully before you make any decision.
【答案】1.① not to ② out of ③give up 2.①of benefit
②beneficial ③benefit ④benefit from 3.① to study
②into ③(should) study 4.①what to ②how to
5．① thinking ②to think ③(should)think
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