Questões para Concursos

Drones are an integral part of the defense and supply-chain industry. However, their prowess and versatility extend beyond these sectors. As the demand for UAVs (unmanned aerial vehicles) continues to increase, the drone market is now estimated to be valued at over 127 billion dollars.
These uncrewed aircrafts can potentially develop numerous sectors, including transport and travel, exponentially. This is primarily due to their remarkable evolution of collision-avoidance technologies through computer vision and artificial intelligence, allowing them to operate autonomously.
The dynamic innovation of drone transportation can positively impact emergency services by decreasing emergency response time, offering valuable data from inaccessible regions, and identifying victims via thermal imaging.
Though the concept of a UAV emerges from being “unmanned,” its autonomous power can be used to create functional, personal transportation. Well-known companies like Uber, Airbus, and Boeing are constantly working on developing self-flying drones that can take people from one place to another.
In conclusion, drone transportation has a lot of untapped potential beyond supply chain and security surveillance. Whether it is for emergencies, luxury, or space exploration, the future is optimistic for the travel industry.
Internet: (adapted).
Based on the previous text, judge the following items.

A lawyer used ChatGPT to prepare a court filing. It went horribly awry.
A lawyer who relied on ChatGPT to prepare a court filing on behalf of a man suing an airline is now all too familiar with the artificial intelligence (AI) tool’s shortcomings — including its propensity to invent facts.
Roberto Mata sued Colombian airline Avianca last year, alleging that a metal food and beverage cart injured his knee on a flight to Kennedy International Airport in New York. When Avianca asked a Manhattan judge to dismiss the lawsuit based on the statute of limitations, his lawyer submitted a brief based on research done by ChatGPT.
While ChatGPT can be useful to professionals in numerous industries, including the legal profession, it has proved itself to be both limited and unreliable. In this case, the AI invented court cases that didn’t exist, and asserted that they were real. The fabrications were revealed when Avianca’s lawyers approached the case’s judge, saying they couldn’t locate the cases cited in Mata’s lawyers’ brief in legal databases.
“It seemed clear when we didn’t recognize any of the cases in their opposition brief that something was amiss,” said the airline’s lawyer. And soon they figured it was some sort of chatbot of some kind. On the other hand, the passenger’s lawyer said that it was the first time he’d used ChatGPT for work and, therefore, he was unaware of the possibility that its content could be false.

Internet: (adapted).

Based on the preceding text, judge the items that follow.

Text 18A3-I
The roar of a waterfall suggests the power of water. Rampaging floodwaters can uproot strong trees and twist railroad tracks. When the power of water is harnessed, however, it can do useful work for humans.
Since ancient times, people have put the energy in the flow of water to work. They first made water work for them with the waterwheel, a wheel with paddles around its rim. Flowing water rotated the waterwheel, which in turn ran machinery that was linked to it. Today, new kinds of waterwheels – turbines – spin generators that produce electricity. Electricity from waterturned generators is known as hydroelectricity.
By building a dam across a river, the natural upstream water level is elevated and a difference in head is created that can be used to drive turbines and generate electricity. A large upstream reservoir may balance seasonal water flow; rain or melted snow can be stored in the reservoir during the wet season to provide electricity during dry seasons.
Waterpower is distributed unevenly among the continents and nations of the world. Europe and North America have developed much of their waterpower. Asia, South America, and Africa have abundant waterpower potential, but while countries such as China and Brazil have become leading hydroelectric producers, much of the waterpower resource on those continents remains undeveloped.
Elizabeth Lachner. Hydroelectricity . Rosen Publishing Group, 2018 (adapted).

According to researchers in Mechanical Engineering at Penn State University, hummingbirds have extreme aerial agility and flight forms, which is why many drones and other aerial vehicles are designed to mimic hummingbird movement. Using a novel modeling method, Professor Bo Cheng and his team of researchers gained new insights into how hummingbirds produce wing movement, which could lead to design improvements in flying robots.
“We essentially reverse-engineered the inner working of the wing musculoskeletal system — how the muscles and skeleton work in hummingbirds to flap the wings,” said first author and Penn State mechanical engineering graduate student Suyash Agrawal. “The traditional methods have mostly focused on measuring activity of a bird or insect when they are in natural flight or in an artificial environment where flight-like conditions are simulated. But most insects and, among birds specifically, hummingbirds are very small. The data that we can get from those measurements are limited.”
Penn State researchers used muscle anatomy literature, computational fluid dynamics simulation data and wing-skeletal movement information captured using micro-CT and X-ray methods to inform their model. They also used an optimization algorithm based on evolutionary strategies, known as the genetic algorithm, to calibrate the parameters of the model. According to the researchers, their approach is the first to integrate these disparate parts for biological fliers.
With this model, the researchers uncovered previously unknown principles of hummingbird wing actuation. While Cheng emphasized that the results from the optimized model are predictions that will need validation, he said that it has implications for technological development of aerial vehicles.
Internet: (adapted).
Judge the following items according to the previous text.

The Internet, as anyone who works deep in its trenches will tell you, is not a smooth, well-oiled machine. It’s a messy patchwork that has been assembled over decades, and it is held together with the digital equivalent of duct tape and bubble gum. Much of it relies on open-source software that is thanklessly maintained by a small army of volunteer programmers who fix the bugs.

Internet: (adapted).
Considering the previous text and its linguistic aspects, judge the following items.

Text CB1A8

The idea of giving rights to animals has long been contentious, but a deeper look into the reasoning behind the philosophy reveals ideas that aren’t all that radical. Animal rights advocates want to distinguish animals from inanimate objects, as they are so often considered by exploitative industries and the law. The animal rights movement strives to make the public aware of the fact that animals are sensitive, emotional, and intelligent beings who deserve dignity and respect. But first, it’s important to understand what the term “animal rights” really means.
Animal rights are moral principles grounded in the belief that non-human animals deserve the ability to live as they wish, without being subjected to the desires of human beings. At the core of animal rights is autonomy, which is another way of saying choice. In many countries, human rights are enshrined to protect certain freedoms, such as the right to expression, freedom from torture, and access to democracy. Of course, these choices are constrained depending on social locations like race, class, and gender, but generally speaking, human rights safeguard the basic tenets of what makes human lives worth living. Animal rights aim to do something similar, only for non-human animals.
Animal rights come into direct opposition with animal exploitation, which includes animals used by humans for a variety of reasons, be it for food, as experimental objects, or even pets. Animal rights can also be violated when it comes to human destruction of animal habitats. This negatively impacts the ability of animals to lead full lives of their choosing.

Internet: (adapted).

Considering the ideas and linguistic aspects of the text above, judge the items below.

Text CB1A7

Whenever a global economic transformation takes place, a single city usually drives it forward. Ghent, in modern-day Belgium, was at the core of the burgeoning global wool trade in the 13th century. The first initial public offering took place in Amsterdam in 1602. London was the financial centre of the first wave of globalisation during the 19th century. Today the city is San Francisco.
California’s commercial capital has no serious rival in generative artificial intelligence (AI), a breakthrough technology that has caused a bull market in American stocks and which, many economists hope, will power a global productivity surge. Almost all big AI start-up companies are based in the Bay Area, which comprises the city of San Francisco and Silicon Valley (largely based in Santa Clara county, to the south). OpenAI is there, of course; so are Anthropic, Databricks and Scale AI. Tech giants, including Meta and Microsoft, are also spending big on AI in San Francisco. According to Brookings Metro, a think tank, last year San Francisco accounted for close to a tenth of generative AI job postings in America, more than any other city of the country. New York, with four times as many residents, was second.

Internet:http://www.economist.com/ (adapted).

Using your phone while on the toilet poses significant health risks, as warned by an expert, Dr. Sethi. Despite being a common habit, mindlessly scrolling or using your phone in the bathroom can lead to severe consequences. Dr. Sethi, a Harvard-trained stomach doctor, highlights that this practice, particularly during bowel movements, causes extended sitting that strains the rectum and anus, potentially resulting in hemorrhoids, anal fissures, and rectal prolapse.
Furthermore, using phones in the bathroom makes them a breeding ground for bacteria, surpassing the hygiene levels of a public toilet seat. Dr. Sethi emphasizes the importance of avoiding phone usage while on the toilet or, if unavoidable, suggests disinfecting the phone afterward. Research spanning over a decade has consistently shown that phones harbor a significant amount of germs, including fecal matter.
Despite these health warnings, over 65% of adults take their phones into the bathroom, with Spain having the highest usage rates (nearly 80%) and Germany the lowest (just under 55%). Interestingly, younger age groups, particularly those aged 26-41 and 18-25, are most likely to engage in this unhygienic behavior. Apart from health concerns, there’s the practical risk of dropping the phone into the toilet, with a fifth of respondents in the United States admitting to this mishap.

Internet: (adapted).

Based on the previous text, judge the following items.

Text CG1A2-II

The enormity of the global climate crisis is so vast that individual actions may seem meaningless: can installing LED lighting in my home or keeping my car tires inflated really help save the polar bears?
First coined by Portland, Oregon-based writer Emma Pattee, the climate shadow aims to paint a picture of the full sum of one’s choices — and the impact they have on the planet.
In an article she wrote in 2021, Pattee detailed her concept for measuring an individual’s impact: “Your climate shadow is a dark shape stretching out behind you. Everywhere you go, it goes too, tallying not just your air conditioning use and the gas mileage of your car, but also how you vote, how many children you choose to have, where you work, how you invest your money, how much you talk about climate change, and whether your words amplify urgency, apathy, or denial.” The larger the shadow — the greater an individual’s impact on doing good for the planet.
In other words, rather than incentivizing purely individual actions, your climate shadow grows when those actions inspire others, knowingly or otherwise.

Kieran Mulvaney. Climate shadow is what really matters. National Geographic (adapted).

A lawyer used ChatGPT to prepare a court filing. It went horribly awry.
A lawyer who relied on ChatGPT to prepare a court filing on behalf of a man suing an airline is now all too familiar with the artificial intelligence (AI) tool’s shortcomings — including its propensity to invent facts.
Roberto Mata sued Colombian airline Avianca last year, alleging that a metal food and beverage cart injured his knee on a flight to Kennedy International Airport in New York. When Avianca asked a Manhattan judge to dismiss the lawsuit based on the statute of limitations, his lawyer submitted a brief based on research done by ChatGPT.
While ChatGPT can be useful to professionals in numerous industries, including the legal profession, it has proved itself to be both limited and unreliable. In this case, the AI invented court cases that didn’t exist, and asserted that they were real. The fabrications were revealed when Avianca’s lawyers approached the case’s judge, saying they couldn’t locate the cases cited in Mata’s lawyers’ brief in legal databases.
“It seemed clear when we didn’t recognize any of the cases in their opposition brief that something was amiss,” said the airline’s lawyer. And soon they figured it was some sort of chatbot of some kind. On the other hand, the passenger’s lawyer said that it was the first time he’d used ChatGPT for work and, therefore, he was unaware of the possibility that its content could be false.

Internet: (adapted).

Based on the preceding text, judge the items that follow.