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In the Star Trek universe, the audience occasionally gets a glimpse inside schools on the planet Vulcan. Young children stand alone in “capsules” surrounded by 360-degree digital screens. Adults walk around but do not talk to the students. Instead, each child interacts only with a sophisticated artificial intelligence (AI). Although this is not the reality in today’s classrooms on Earth, there are people for whom a vision of personalized learning conducted by artificial intelligence has considerable appeal.
Individualized learning has its place. But decades of educational research also demonstrate that learning is essentially a social endeavor. Classrooms that privilege personalized AI chatbots overlook that fact.
Generative AI is quickly coming to classrooms. If decades ago educators worldwide promoted the benefits of “One Laptop per Child”, today we may be approaching the model “one chatbot per child.” What does educational research tell us about what this model could mean for children’s learning and well-being?
During much of the 20th century, learning was understood as mainly as a matter of individual cognition. A misconception, if compared to today’s comprehension of what learning involves. Scientists now understand that apparently individual processes – such as building new knowledge – are actually social interactions with the world around us. In classrooms, this suggests that opportunities for daily personal interaction can strongly support brain health and academic learning.
Therefore, it is important to understand generative AI’s real-life impact on students.
For example: How does it feel to learn from a chatbot, day after day? How will long-term use of AI affect children’s mental health? How does AI use affect children’s relationships with each other and with their teachers? What kinds of relationships might children form with the chatbots themselves? More broadly, we could also ask: What do we, as a society, actually want children to learn?
Good teaching and learning blends social and individual processes. I see the beneficial application of any new technology in the classroom – AI or otherwise – as a way to build upon the social fabric of human learning. My concern about personalized AI tutors is how they might displace already infrequent opportunities for social interaction, further isolating children in classrooms.
(Niral Shah. www.converstion.com, 15.12.2025. Adaptado

Careful reading of the second paragraph helps understand the meaning of the verb “overlook” as

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A teacher in the final years of lower secondary education organizes lessons around real-life situations. Students work in small groups to investigate a problem, collect information, discuss possible solutions, and present their findings to the class. The teacher acts mainly as a facilitator, guiding the process rather than delivering long explanations. 

This description best represents which teaching approach?

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The base verbs below are all regular verbs: 

  • I. to play 
  • II. to study 
  • III. to stop 
  • IV. to travel 

Choose the alternative in which all the verbs are correctly written in the Simple Past tense, respectively.

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In the Simple Past tense, the ending -ed can be pronounced as /t/, /d/, or /ɪd/. 

Choose the alternative in which all the verbs have their -ed ending pronounced as /t/.

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Choose the alternative that correctly completes the sentence. The correct answer must express the idea of formal prohibition. 

Employees ______ enter the restricted area without proper authorization.

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Select the alternative that correctly completes the sentence. The office closes ______ midnight.

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Texto associado
Last week at my neighborhood coffee shop, the barista flipped that dreaded tablet toward me. Three tip options glared back: 18%. 22%. 25%. For a $3.50 latte I was picking up. That took thirty seconds to make. I’ve hit my breaking point with tipping culture. 
Growing up, tipping was simple: 15–20% for sitdown restaurants, maybe your hairdresser. Now it’s an expected tax on every transaction. The frozen yogurt shop where I serve myself wants 20%. Self-checkout kiosks are asking for tips. This is insane. 
When I traveled Europe last summer, I paid exactly what was on the menu. No guilt, no calculations, no awkward pressure. Servers were paid living wages and the service was excellent. 
Meanwhile, I’m expected to subsidize corporate America’s refusal to pay fair wages while their CEOs pocket millions in bonuses. It’s 2025, and American tipping culture has spiraled out of control. It’s hurting workers, stressing customers, and letting profitable businesses guilt-trip their own customers into covering payroll. When I worked retail years ago, my employer paid my full wage. I didn’t expect customers to subsidize my paycheck because my boss decided to pocket the difference. Yet somehow in 2025, we’ve normalized corporations outsourcing their payroll responsibility to guilt-ridden customers. 72% of U.S. adults say tipping is expected in more places today than it was five years ago. But even as Americans say they’re being asked to tip more often, only about a third say it’s extremely or very easy to know whether (34%) or how much (33%) to tip for various services. 
[...] The confusion is real and it’s intentional. Companies benefit from our uncertainty because confused customers tend to over-tip rather than risk social judgment. 

In “Servers were paid living wages and the service was excellent.”, the verbs are in the passive voice. The active voice equivalent would be:

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