1) The unprecedented pace of technological change has transformed almost every aspect of modern life, creating both opportunities and challenges that previous generations could never have imagined.

2) It is crucial for policymakers, technologists, and ethicists to work together ________ ensure that AI development proceeds in a way that benefits society.

3) Doctor: Your test results show that your cholesterol levels are higher than they should be. Patient: Is that serious? Should I be worried? Doctor: It's not an immediate health crisis, but it is something we should address to prevent potential problems in the future. Patient: What do you recommend I do? Doctor: ________

4) You should ________ your resume to highlight the skills that are most relevant to the job you're applying for.

5) Democracy is generally defined as a system of government in which power resides with the citizens, who exercise it either directly or through freely elected representatives. This form of governance emerged in ancient Athens in the 5th century BCE, though it was limited to male citizens and excluded women, slaves, and foreigners. Modern democracies vary in their specific structures but typically share core principles such as free and fair elections, protection of human rights, and the rule of law. What is the main idea of this paragraph?

6) Urban planners need to take into account the ________ needs of a diverse population when designing public spaces.

7) Nuclear energy remains a controversial source of power worldwide. Proponents argue that nuclear plants produce large amounts of electricity with minimal greenhouse gas emissions, making them valuable in combating climate change. Critics, however, point to concerns about radioactive waste disposal, the potential for catastrophic accidents like those at Chernobyl and Fukushima, and the high costs of plant construction and decommissioning. What is the primary focus of this paragraph?

8) Researchers have found that bilingual children often demonstrate enhanced cognitive abilities in areas such as problem-solving, creative thinking, and multitasking compared to monolingual children. This cognitive advantage appears to stem from the regular mental exercise of managing two language systems. When bilingual individuals use one language, they must simultaneously suppress the other language, which strengthens their executive control system. These cognitive benefits extend beyond language processing to general cognitive functions and may even provide some protection against age-related cognitive decline. According to the passage, what advantage do bilingual children typically have?

9) (I) The Great Barrier Reef, located off the coast of Queensland, Australia, is the world's largest coral reef system. (II) It stretches over 2,300 kilometers and consists of over 2,900 individual reefs and 900 islands. (III) Coral reefs form in warm, shallow waters where sunlight can penetrate to support the algae that live in symbiosis with coral polyps. (IV) Tourism to the Great Barrier Reef contributes approximately $6.4 billion annually to the Australian economy. (V) The reef is home to extraordinary biodiversity, including 1,500 species of fish, 4,000 types of mollusk, and 240 species of birds.

10) Although renewable energy technologies have become more affordable in recent years, ________.

11) "The lack of affordable housing has become a critical issue in many urban areas." Which sentence has a similar meaning?

12) Critics argue that without proper regulation, AI could potentially ________ privacy rights or even pose existential risks to humanity.

13) Astronomy is one of the oldest sciences, with roots in ancient civilizations that observed celestial patterns to track time and seasons. Early astronomers in Mesopotamia, Egypt, China, and Greece mapped the stars and planets, creating calendars and navigation tools. The invention of the telescope in the 17th century revolutionized the field, allowing scientists like Galileo to make discoveries that challenged existing beliefs about our place in the universe. What is the main purpose of this passage?

14) The invention of the printing press by Johannes Gutenberg in the 15th century revolutionized the spread of information in Europe. Before this innovation, books were painstakingly copied by hand, making them expensive and accessible to only a privileged few. The printing press allowed for the mass production of books, significantly reducing their cost and increasing their availability. This democratization of knowledge played a crucial role in historical developments such as the Renaissance, the Scientific Revolution, and the Protestant Reformation. What was the most significant impact of the printing press according to the passage?

15) Ocean acidification, caused by increasing carbon dioxide levels in the atmosphere, poses a significant threat to marine ecosystems, particularly coral reefs. As seawater absorbs CO2, it becomes more acidic, making it difficult for coral and other marine organisms to build their calcium carbonate structures. This process can lead to the weakening and eventual death of coral reefs, which are often referred to as the "rainforests of the sea" due to their rich biodiversity. According to the passage, why are coral reefs particularly vulnerable to ocean acidification?

16) The company decided to ________ the new product launch until they had resolved all technical issues.

17) While social media has created new ways for people to connect, ________.

18) (I) The periodic table of elements organizes all known chemical elements based on their properties and atomic structure. (II) It was developed by Russian chemist Dmitri Mendeleev in 1869, though it has been refined and expanded since then. (III) Elements in the same column (group) have similar chemical properties, while those in the same row (period) have the same number of electron shells. (IV) Chemistry students often find it challenging to memorize the entire periodic table. (V) The arrangement of elements allows scientists to predict the properties of elements, even those that had not yet been discovered when the table was first created. Which sentence breaks the narrative unity in this paragraph?

19) (I) The modern Olympic Games were revived in Athens in 1896, inspired by the ancient Greek Olympics. (II) The event has grown from 241 athletes from 14 nations in 1896 to more than 11,000 athletes from over 200 countries in recent Games. (III) The Olympic symbol consists of five interlocking rings representing the union of five continents. (IV) Many ancient Greek philosophers wrote extensively about athletic competition. (V) Both Summer and Winter Olympic Games are now held every four years, with the two events alternating by occurring every two years. Which sentence breaks the narrative unity in this paragraph?

20) Despite significant advances in medical research, many rare diseases remain poorly understood, leaving patients and their families with limited treatment options and uncertain prognoses.

21) Many people struggle to ________ work-related stress, which can lead to burnout if not properly managed.

22) Space exploration has led to numerous technological innovations that benefit everyday life. Satellites enable global communications and navigation systems. Weather forecasting has improved significantly due to orbital monitoring systems. ________

23) Paleontologists study fossils to ________ information about extinct species and ancient ecosystems.

24) The Great Barrier Reef, located off the coast of Queensland, Australia, is the world's largest coral reef system. Stretching over 2,300 kilometers, it comprises over 2,900 individual reefs and 900 islands. This incredible ecosystem is home to more than 1,500 species of fish, 400 types of coral, 4,000 types of mollusk, and 240 species of birds. What is the primary purpose of this paragraph?

25) Despite her initial reluctance, she eventually ________ to the idea of moving abroad for work.

26) (I) Regular physical activity offers numerous health benefits, including improved cardiovascular health and stronger muscles and bones. (II) Exercise also helps control weight and reduces the risk of various diseases such as type 2 diabetes and certain types of cancer. (III) Many people find it difficult to incorporate regular exercise into their busy schedules. (IV) Professional athletes often train for several hours each day. (V) Additionally, physical activity has been shown to improve mental health by reducing anxiety and depression while enhancing overall mood. Which sentence breaks the narrative unity in this paragraph?

27) ________ advances in technology, modern healthcare has become more efficient and accessible.

28) The results of the study highlight the ________ relationship between regular exercise and improved mental health.

29) Despite significant progress in renewable energy technology, fossil fuels still ________ for the majority of global energy consumption.

30) Science education plays a vital role in developing critical thinking skills and scientific literacy among students. Effective science teaching goes beyond memorization of facts to include hands-on experiments, inquiry-based learning, and real-world applications. When students engage actively with scientific concepts, they develop a deeper understanding of how the world works and how to evaluate evidence-based claims. These skills are increasingly important in a society where scientific and technological issues impact many aspects of daily life. What is the main argument of this passage?

31) The water cycle, also known as the hydrologic cycle, describes the continuous movement of water on, above, and below the Earth's surface. Water evaporates from oceans, lakes, and rivers due to solar heating, rises into the atmosphere as water vapor, and forms clouds. When the water droplets in clouds grow large enough, they fall back to Earth as precipitation in the form of rain, snow, or hail. Some of this water flows into rivers and ultimately returns to the oceans, while some seeps into the ground as groundwater. What is the primary focus of this paragraph?

32) The company decided to ________ the launch of its new product due to technical issues.

33) Digital technology has transformed education in numerous ways. Online courses have made learning accessible to people regardless of their geographic location. Educational apps and interactive software have created new ways for students to engage with material. ________

34) (I) The Industrial Revolution began in Great Britain in the late 18th century. (II) It marked a major turning point in history, influencing almost every aspect of daily life. (III) The transition included going from hand production methods to machines, new chemical manufacturing processes, and the increasing use of steam power. (IV) Steam engines were first used in coal mines to pump water from deep shafts. (V) The development of photography was one of the most significant cultural achievements of the 19th century. Which sentence breaks the narrative unity in this paragraph?

35) Sleep plays a crucial role in physical health, cognitive function, and emotional well-being. During sleep, the body repairs tissues, strengthens the immune system, and consolidates memories. Chronic sleep deprivation has been linked to numerous health problems, including increased risk of heart disease, obesity, and diabetes. Additionally, lack of adequate sleep can impair judgment, slow reaction time, and affect mood regulation. According to the passage, what is one consequence of insufficient sleep?

36) The ability to adapt to changing circumstances is a ________ trait for success in today's rapidly evolving job market.

37) The Earth's average surface temperature has increased by about 1.1°C since the pre-industrial era, ________ to the melting of polar ice caps.

38) "The unexpected snowstorm forced them to cancel their hiking trip." Which sentence conveys a similar meaning?

39) Scientists agree that human activities, ________ the burning of fossil fuels, are the primary drivers of this warming trend.

40) The company's decision to reduce its carbon footprint has been recognized with an environmental award.

41) The artist's new exhibition ________ praise from critics for its innovative approach and thought-provoking themes.

42) Despite all the technological progress we've made in recent decades, ________.

43) To address this crisis, countries around the world ________ the Paris Agreement in 2015.

44) The committee is currently ________ proposals for the new community project.

45) The price of the concert tickets ________ on the seating location and the popularity of the performer.

46) Urbanization has accelerated rapidly in the past century, with more than half of the world's population now living in cities. This shift has created both opportunities and challenges. Cities offer better access to education, healthcare, and employment opportunities. However, rapid urban growth has also led to issues such as overcrowding, pollution, and infrastructure strain. What is the main topic of this paragraph?

47) The ancient Egyptians developed a sophisticated writing system known as hieroglyphics. This script consisted of pictorial symbols representing words, sounds, or concepts. For centuries, hieroglyphics remained undecipherable to modern scholars until the discovery of the Rosetta Stone in 1799. ________

48) Research suggests that regular physical activity can significantly reduce the risk of developing chronic diseases.

49) The field of artificial intelligence has progressed rapidly in recent years, with applications ranging from voice assistants to autonomous vehicles. Machine learning algorithms now power recommendation systems, medical diagnostics, and financial forecasting tools. Natural language processing has enabled machines to understand and generate human language with increasing sophistication. Computer vision systems can identify objects, faces, and patterns in images with remarkable accuracy. ________

50) Although critics initially dismissed the novel as overly simplistic, it has stood the test of time and is now regarded as one of the most influential literary works of the 20th century.

51) Despite extensive research, scientists have not yet ________ a definitive cure for this particular disease.

52) "Despite the heavy rain, they decided to continue with the outdoor event." Which sentence conveys a similar meaning?

53) Climate change is one of the greatest challenges ________ by humanity today.

54) The meeting has been ________ from Tuesday to Thursday due to scheduling conflicts.

55) Despite the economic downturn, the company managed to maintain its profit margins through strategic cost-cutting measures.

56) The Great Wall of China, stretching over 13,000 miles, was built over centuries by various Chinese dynasties. Construction began in the 7th century BCE during the Zhou dynasty and continued through the Ming dynasty in the 16th century CE. The primary purpose of this massive structure was to protect Chinese states and empires from nomadic invasions from the north. Today, the Great Wall stands as one of the most impressive architectural feats in human history and attracts millions of tourists annually. According to the passage, what was the main reason for building the Great Wall of China?

57) Had the researchers known about the potential side effects, ________.

58) Biodiversity refers to the variety of plant and animal life in a particular habitat or ecosystem. High biodiversity is crucial for ecosystem stability and resilience. Each species plays a unique role in maintaining the balance of its environment, from pollination to soil fertility. When biodiversity decreases due to habitat destruction, pollution, or climate change, ecosystems become more vulnerable to disturbances and less able to provide essential services that humans depend on. Based on the passage, why is biodiversity important?

59) Sustainable agriculture aims to meet society's current food needs without compromising the ability of future generations to meet their own needs. This approach integrates three main objectives: environmental health, economic profitability, and social equity. Sustainable farming practices include crop rotation, reduced tillage, precision farming, and integrated pest management. These methods help preserve soil fertility, conserve water, reduce pollution, and maintain biodiversity while still producing sufficient yields. What is the main purpose of sustainable agriculture according to the passage?

60) As more companies adopt flexible working arrangements, ________.

61) Economists analyze various factors when ________ predictions about future market trends.

62) Human activity has caused significant changes to natural habitats worldwide, leading to biodiversity loss. Deforestation removes vital ecosystems, urban expansion encroaches on wildlife territories, and pollution degrades both land and water environments. Climate change further compounds these problems by altering temperature and precipitation patterns faster than many species can adapt. Conservation efforts aim to mitigate these impacts through protected areas, habitat restoration, and sustainable resource management. What is the main focus of this paragraph?

63) Archaeologists have recently discovered artifacts that ________ new light on ancient civilizations previously thought to be less advanced.

64) Customer: I recently purchased this laptop from your store, but it keeps shutting down unexpectedly.
Sales Representative: ________
Customer: Yes, I've tried that several times. It works for a while but then shuts down again.
Sales Representative: In that case, I think we should send it to our technical department for inspection.

65) (I) The development of writing systems was one of humanity's most transformative innovations. (II) Early writing emerged independently in several regions, including Mesopotamia, Egypt, China, and Mesoamerica. (III) Initially, writing was primarily used for administrative and economic purposes, such as recording taxes, inventories, and commercial transactions. (IV) The printing press, invented by Johannes Gutenberg around 1440, revolutionized the spread of written information. (V) As writing systems evolved, they enabled the preservation of knowledge, religious texts, literature, and historical records across generations.

66) After the scandal, the company tried to ________ its damaged reputation.

67) As digital technology continues to evolve, traditional industries must adapt to remain competitive in the changing marketplace.

68) "The scientists were astonished by the unexpected results of their experiment." Which sentence has the most similar meaning?

69) Although renewable energy sources are becoming more affordable, ________.

70) Despite the government's efforts to reduce traffic congestion in the city center, ________.

71) Scientists are working to ________ a cure for this rare disease.

72) The history of chocolate dates back to ancient Mesoamerican civilizations like the Olmec, Maya, and Aztec, who consumed chocolate as a bitter drink rather than the sweet confection we know today. The cacao beans were so valuable that they were used as currency by these civilizations. Europeans were introduced to chocolate in the 16th century when Spanish conquistadors brought it back from the Americas. ________

73) (I) Coffee is one of the world's most popular beverages, with millions of people enjoying it daily. (II) The beans are actually seeds from coffee cherries, which grow on trees in tropical regions. (III) After harvesting, the beans undergo processing, roasting, and grinding before brewing. (IV) Tea contains less caffeine than coffee and is the preferred morning drink in many Asian countries. (V) The flavor profile of coffee can vary greatly depending on factors such as the bean variety, growing conditions, and roasting method. Which sentence breaks the narrative unity in this paragraph?

74) Cyber security has become increasingly important in our digital world. As more aspects of daily life move online, from banking to healthcare records, the potential impact of data breaches grows more severe. Hackers continuously develop sophisticated techniques to exploit vulnerabilities in systems and networks. Meanwhile, security experts work to stay one step ahead by developing new protection methods and educating users about best practices for safeguarding their information. What is the main focus of this paragraph?

75) Not only did the novel win several prestigious literary awards, ________.

76) The diplomatic negotiations finally ________ in a peace agreement between the two countries.

77) Despite the abundance of information available online, ________.

78) Deforestation has led to habitat loss for countless species, many of which are now ________ with extinction.

79) Regular exercise not only improves physical health but also ________ mental well-being.

80) Teacher: We need to choose a student to represent our school at the regional science competition next month. Principal: What about Emily? She won the school science fair last semester. Teacher: Emily is very talented, but she's already committed to the debate team competition that falls on the same weekend. Principal: ________