Main Idea I
Many cities are planting more trees along streets and in parks. Trees provide shade, which cools urban areas during hot summers. They also improve air quality by absorbing pollutants and producing oxygen. In addition, green spaces with trees can improve people’s mental health by reducing stress and encouraging outdoor activity.
What is the main idea of the passage?
A. Trees are mainly useful for making cities look nicer
B. Cities are planting trees for multiple environmental and health benefits
C. Trees only help improve air quality in cities
D. People enjoy spending time in parks with trees
B. Cities are planting trees for multiple environmental and health benefits
James decided to train for a marathon even though he had never run long distances before. At the beginning, he could only run a mile without stopping. He followed a training plan and gradually increased his distance each week. By the end of three months, James successfully completed the marathon.
How is the central idea developed?
A. By describing a series of steps showing progress over time
B. By listing reasons why marathons are popular
C. By comparing James to professional runners
D. By explaining how to organize a marathon event
A. By describing a series of steps showing progress over time
Many people believe multitasking increases productivity, but research suggests otherwise. Studies show that switching between tasks can reduce focus and lead to more mistakes. Experts recommend focusing on one task at a time to improve efficiency and accuracy.
What is the main idea of the passage?
A. Multitasking is the best way to get work done
B. Research proves that multitasking improves focus
C. Multitasking can reduce productivity, and focusing on one task is more effective
D. Experts disagree about how people should work
C. Multitasking can reduce productivity, and focusing on one task is more effective
When Maria first started her new job, she felt overwhelmed by the fast pace and unfamiliar tasks. During her first week, she made several mistakes and worried she might not succeed. However, her supervisor offered guidance and encouraged her to ask questions. Over time, Maria became more confident, and within a few months, she was completing her work efficiently and helping train new employees.
How is the central idea developed in this passage?
A. By comparing Maria to other employees
B. By describing Maria’s growth from uncertainty to confidence
C. By explaining the company’s training program
D. By listing the tasks Maria must complete daily
B. By describing Maria’s growth from uncertainty to confidence
Although electric vehicles were once considered impractical due to limited battery life and high costs, recent technological advances have made them more accessible. Governments have also introduced incentives to encourage their use. However, challenges such as charging infrastructure and production costs still remain.
What is the main idea of the passage?
A. Electric vehicles are too expensive for most people
B. Electric vehicles have improved but still face challenges
C. Governments are responsible for the rise of electric vehicles
D. Charging infrastructure is the biggest problem for electric vehicles
B. Electric vehicles have improved but still face challenges
When the city expanded its public transportation system, more residents began using buses and trains instead of driving. As a result, traffic congestion decreased, and air pollution levels dropped. Businesses near transit stations also experienced increased customer traffic.
How does the author develop the central idea?
A. By comparing transportation systems in different cities
B. By explaining a chain of cause-and-effect relationships
C. By describing the history of public transportation
D. By focusing only on environmental benefits
B. By explaining a chain of cause-and-effect relationships
Recycling helps reduce the amount of waste sent to landfills. It also conserves natural resources by reusing materials like paper, plastic, and metal. Although recycling requires effort from individuals and communities, its long-term benefits make it an important practice.
What is the main idea of the passage?
A. Recycling is difficult for most people
B. Landfills are filling up too quickly
C. Recycling is important because it benefits the environment
D. Paper is the most commonly recycled material
C. Recycling is important because it benefits the environment
Lena had always avoided public speaking because she feared making mistakes. When her class required a presentation, she reluctantly agreed to go first. Her voice shook at the beginning, but as she continued, she realized her classmates were listening attentively. By the end, she spoke clearly and even answered questions confidently. Afterward, Lena felt proud and began volunteering for future presentations.
How does the author develop the central idea?
A. By emphasizing Lena’s fear without resolution
B. By showing a shift from fear to confidence through a single experience
C. By comparing Lena to other students in her class
D. By focusing on the importance of classroom participation
B. By showing a shift from fear to confidence through a single experience
The library was nearly empty when it first opened its doors after renovations. Over the next few weeks, more visitors began to arrive, drawn by the updated study spaces, new technology, and expanded collection. Soon, it became a busy hub for students and community members alike.
What is the main idea of the passage?
A. Libraries are no longer useful in modern society
B. Renovations helped transform the library into a popular community space
C. Students prefer studying at home
D. Technology is the only reason people visit libraries
B. Renovations helped transform the library into a popular community space
At first, the small bookstore struggled to attract customers. The owner decided to host weekly events, such as author readings and book clubs. Gradually, more people began to visit, and the store became a popular gathering place in the community. Eventually, sales increased, and the bookstore became successful.
How does the author develop the central idea?
A. By explaining the history of bookstores
B. By showing how the bookstore improved through specific actions
C. By comparing the bookstore to larger retailers
D. By describing different types of books sold
B. By showing how the bookstore improved through specific actions
Some scientists argue that artificial intelligence will greatly benefit society by improving healthcare, transportation, and communication. Others warn that it may lead to job loss and ethical concerns. As research continues, it is clear that artificial intelligence will play a significant role in shaping the future.
Which statement best expresses the main idea?
A. Artificial intelligence will replace many human jobs
B. Scientists disagree about the usefulness of artificial intelligence
C. Artificial intelligence has both potential benefits and risks and will influence the future
D. Ethical concerns about artificial intelligence are more important than its benefits
C. Artificial intelligence has both potential benefits and risks and will influence the future
Farmers in the region faced severe drought conditions for several years. To adapt, many switched to crops that require less water and invested in irrigation systems. These changes helped them maintain production despite limited rainfall.
How is the central idea developed?
A. By describing unrelated farming techniques
B. By presenting a problem and the solutions used to address it
C. By comparing farming in different regions
D. By focusing only on the effects of drought
B. By presenting a problem and the solutions used to address it
Online learning has become more common in recent years. It allows students to access lessons from anywhere with an internet connection. While some people prefer traditional classrooms, others appreciate the flexibility and convenience of online education.
What is the main idea of the passage?
A. Online learning is better than traditional education
B. Students dislike traditional classrooms
What is the main idea of the passage?
A. Online learning is better than traditional education
B. Students dislike traditional classrooms
C. Online learning offers flexible options for education
D. Internet access is required for all students
D. Internet access is required for all students
C. Online learning offers flexible options for education
At the start of the season, the team struggled to work together and lost several games. The coach introduced new strategies and encouraged better communication among players. Gradually, the team improved, winning more games and gaining confidence. By the end of the season, they reached the championship.
How is the central idea developed across the passage?
A. By listing the team’s statistics
B. By showing how teamwork and strategy led to improvement over time
C. By focusing only on the final success of the team
D. By describing the coach’s background
B. By showing how teamwork and strategy led to improvement over time
Social media allows people to stay connected and share information quickly. However, it can also contribute to the spread of misinformation and reduce face-to-face interactions. Understanding both its advantages and disadvantages is important for responsible use.
What is the main idea?
A. Social media is harmful and should be avoided
B. Social media is the best way to communicate
C. Social media has both benefits and drawbacks that users should consider
D. People no longer communicate in person
C. Social media has both benefits and drawbacks that users should consider