The human brain is an incredibly complex organ that scientists are still trying to understand. It is made up of billions of neurons that communicate with each other through electrical and chemical signals. These signals are responsible for everything from our thoughts and emotions to our movements and memories. Despite decades of research, there is still much to learn about how the brain functions, particularly in areas such as consciousness and memory formation.
According to the passage, what is still not fully understood about the brain?
A) How neurons communicate with each other
B) The role of electrical signals in the brain
C) How the brain controls our movements
D) The mechanisms of consciousness and memory formation
Cevap: D
Climate change is one of the most pressing issues facing the world today. Rising temperatures are causing glaciers to melt, sea levels to rise, and weather patterns to become more unpredictable. These changes are already having a significant impact on ecosystems and human societies, particularly in vulnerable areas such as small island nations and coastal cities. Many scientists warn that unless drastic action is taken to reduce greenhouse gas emissions, the consequences could be catastrophic.
What is the main concern expressed in the passage?
A) The unpredictability of weather patterns
B) The effect of climate change on ecosystems and human societies
C) The vulnerability of small island nations
D) The need for increased scientific research on climate change
Cevap: B
Over the past century, technological advancements have transformed the way we live and work. From the invention of the telephone to the rise of the internet, these innovations have made communication faster and more efficient. However, they have also led to new challenges, such as the loss of privacy and the rise of cybercrime. As technology continues to evolve, it is important to find ways to address these challenges while continuing to benefit from technological progress.
What is the main issue discussed in the passage?
A) The history of technological advancements
B) The rise of cybercrime
C) The balance between technological benefits and challenges
D) The invention of the telephone and the internet
Cevap: C
Many people assume that creativity is an inborn talent that cannot be developed. However, recent research suggests that creativity can be nurtured through practice and exposure to new experiences. Creative thinking involves making connections between seemingly unrelated ideas and concepts, which can be stimulated by activities such as traveling, reading, or learning new skills. The more we challenge our brains to think in new ways, the more creative we become.
What does the passage suggest about creativity?
A) It is an innate ability that cannot be improved
B) It can be enhanced through certain activities
C) It is only developed through artistic practice
D) It is stimulated by repetitive tasks
Cevap: B
The field of artificial intelligence (AI) is rapidly advancing, and AI systems are being used in a wide range of industries, from healthcare to finance. These systems can analyze vast amounts of data in seconds, helping professionals make more informed decisions. However, there are concerns about the ethical implications of AI, particularly when it comes to privacy and job displacement. As AI becomes more integrated into society, it is essential to develop regulations that ensure its responsible use.
What is the primary concern mentioned in the passage regarding AI?
A) Its ability to process data quickly
B) Its integration into various industries
C) The ethical implications of its use
D) Its potential to improve decision-making
Cevap: C
Globalization has led to an increase in the flow of goods, services, and people across borders. While this has brought economic benefits, it has also raised concerns about the loss of cultural identity. As global brands and media spread across the world, local traditions and languages may be overshadowed. Some argue that globalization leads to cultural homogenization, where differences between cultures become less distinct. Others believe that globalization allows for a greater exchange of ideas and fosters cultural diversity.
What is the main argument of those who are concerned about globalization?
A) It fosters cultural diversity
B) It leads to cultural homogenization
C) It encourages the spread of global brands
D) It promotes economic benefits
Cevap: B
In the world of economics, inflation refers to the general increase in the price level of goods and services over time. While moderate inflation is considered a sign of a healthy economy, high inflation can be problematic. When prices rise too quickly, it can erode purchasing power, meaning that consumers can buy less with the same amount of money. Central banks often try to control inflation through monetary policy, such as adjusting interest rates.
According to the passage, why is high inflation problematic?
A) It causes central banks to raise interest rates
B) It reduces the purchasing power of consumers
C) It is a sign of a struggling economy
D) It leads to lower prices for goods and services
Cevap: B
Social media platforms have revolutionized the way people communicate, allowing users to share information and connect with others instantly. However, these platforms have also been criticized for spreading misinformation and encouraging superficial interactions. Some experts argue that while social media has the potential to bring people together, it can also create divisions by amplifying echo chambers, where individuals only engage with content that aligns with their existing beliefs.
What is a criticism of social media mentioned in the passage?
A) It encourages deeper, meaningful interactions
B) It amplifies echo chambers and spreads misinformation
C) It limits the ability to connect with others
D) It prevents users from sharing information instantly
Cevap: B
Advances in medical technology have significantly improved healthcare outcomes. For example, the development of minimally invasive surgical techniques has reduced recovery times for patients, while new diagnostic tools have made it easier to detect diseases in their early stages. Despite these improvements, there are still challenges to be addressed, such as the high cost of healthcare and unequal access to medical services in different regions.
What is one challenge mentioned in the passage related to healthcare?
A) The development of new diagnostic tools
B) Unequal access to medical services
C) The increase in recovery times for patients
D) The effectiveness of minimally invasive surgery
Cevap: B
Urbanization is a growing trend, with more and more people moving from rural areas to cities in search of better opportunities. While urbanization can lead to economic growth, it also presents challenges such as overcrowding, pollution, and strain on infrastructure. To address these issues, urban planners are focusing on creating sustainable cities that prioritize green spaces, public transportation, and energy-efficient buildings.
What is one of the challenges of urbanization mentioned in the passage?
A) Increased job opportunities
B) Pollution and strain on infrastructure
C) Lack of green spaces in cities
D) The growth of public transportation systems
Cevap: B