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Free Online IELTS Practice Test 3: Full-Length Tests for 2024 Preparation

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Free Online IELTS Practice Test 3

1. Academic Reading Practice Task-1: Matching Features

The Advancement of Renewable Energy Technologies

The evolution of renewable energy technologies has been a transformative journey, closely tied to breakthroughs in engineering and materials science. While the concept of harnessing natural resources for power dates back centuries, significant advancements have been made only in recent decades. Early attempts, such as simple windmills and water wheels, were limited by the technology of the time and could not meet large-scale energy demands.

A major turning point in the development of renewable energy came with the invention of photovoltaic (PV) cells. The first practical PV cell was created in the 1950s, but it was not until the 1970s that these cells became more efficient and cost-effective. This progress made solar power a viable option for widespread use. Modern PV cells convert sunlight directly into electricity with increasing efficiency, making solar power one of the fastest-growing energy sources in the world.

Another significant advancement in renewable energy technology is the development of large-scale wind turbines. Early wind turbines were small and inefficient, generating limited power. However, technological improvements in aerodynamics and materials science have led to the creation of modern wind turbines that can generate significant amounts of electricity. These turbines, often located in large wind farms, harness wind energy more effectively and contribute to the growing share of renewables in the global energy mix.

In the early 21st century, the rise of battery storage technology further enhanced the feasibility of renewable energy. Batteries, particularly lithium-ion batteries, allow for the storage of energy generated from intermittent sources like solar and wind. This development addresses one of the main challenges of renewable energy—its variability—and ensures a steady supply of power even when the sun is not shining or the wind is not blowing.

Government policies and international agreements have also played a crucial role in the advancement of renewable energy. Initiatives such as subsidies for renewable energy projects, tax incentives, and international climate agreements have encouraged investment and research in renewable technologies. These policies have accelerated the adoption of renewables and fostered innovation in the sector.

Moreover, the integration of smart grid technology has revolutionized the management and distribution of renewable energy. Smart grids use digital communication technology to detect and react to local changes in usage, improving the efficiency and reliability of energy distribution. This synergy between renewable energy generation and smart grid management represents a significant step towards a more sustainable and resilient energy system.

Today, renewable energy technologies are not only seen as environmentally friendly alternatives but also as economically viable and technologically advanced solutions. With ongoing advancements in technology and supportive policies, the future of renewable energy looks bright. The transition from fossil fuels to renewable energy is reshaping the energy landscape and playing a crucial role in global efforts to combat climate change.

Match Each Item with the Group Which First Invented or Used Them. Write the Correct Letter A-E in Boxes 7-10 on Your Answer Sheet. You may use Any Letter More Than Once.

  1. Photovoltaic (PV) cells
  2. Large-scale wind turbines
  3. Lithium-ion batteries
  4. Smart grid technology

List of Groups:
A. Early 20th-century engineers
B. 1950s scientists
C. Modern materials scientists
D. Early 21st-century innovators
E. Government policymakers

Answers:

  1. B. 1950s scientists
  2. C. Modern materials scientists
  3. D. Early 21st-century innovators
  4. D. Early 21st-century innovators

2. Academic Reading Practice Task – Table Completion

The Development of Artificial Intelligence

Artificial Intelligence (AI) has rapidly evolved from a theoretical concept to a transformative technology that impacts various aspects of modern life. The journey of AI development has been marked by significant milestones in computer science, mathematics, and engineering.

The roots of AI can be traced back to the 1950s, when researchers began exploring the possibility of creating machines that could mimic human intelligence. One of the earliest milestones was the creation of the Turing Test by Alan Turing, which proposed a way to evaluate a machine’s ability to exhibit intelligent behavior equivalent to, or indistinguishable from, that of a human.

In the 1960s and 1970s, AI research saw the development of basic algorithms and early neural networks. These advancements laid the groundwork for machine learning, a subset of AI focused on creating systems that can learn from data and improve over time. Despite these early achievements, progress was slow due to limited computational power and data availability.

The 1980s and 1990s witnessed the rise of expert systems, which were designed to emulate the decision-making abilities of human experts. These systems found applications in various fields, including medical diagnosis, finance, and engineering. However, they were limited by their reliance on predefined rules and the inability to adapt to new information.

A major breakthrough came in the 2000s with the advent of big data and advancements in computational power. These developments enabled the creation of more sophisticated machine learning algorithms and deep learning models. Deep learning, which involves training large neural networks on vast amounts of data, revolutionized fields such as image recognition, natural language processing, and autonomous vehicles.

In the 2010s, AI began to permeate everyday life, with applications ranging from virtual assistants like Siri and Alexa to recommendation systems used by companies like Netflix and Amazon. The integration of AI into various industries has led to increased efficiency, cost savings, and the creation of new business models.

Today, AI continues to advance at a rapid pace, driven by ongoing research and development. Innovations such as reinforcement learning, generative adversarial networks (GANs), and quantum computing are pushing the boundaries of what AI can achieve. However, the rapid growth of AI also raises important ethical and societal questions, including concerns about privacy, job displacement, and the potential for biased algorithms.

Looking ahead, the future of AI holds tremendous potential. With continued investment and collaboration between academia, industry, and government, AI is poised to drive innovation and solve some of the world’s most pressing challenges. The transition from traditional computing to AI-driven technologies is not only reshaping industries but also redefining the way we interact with the world.

Complete the Table Below. Choose NO MORE THAN THREE WORDS from the Passage for Each Answer. Write your Answers in Boxes 9-13 on Your Answer Sheet.

Milestone Era Key Contribution
Turing Test 1. __________ Evaluating machine intelligence
Development of basic algorithms 1960s and 1970s Laid the groundwork for machine learning
Rise of expert systems 1980s and 1990s Emulated human decision-making
Advent of big data 2000s Enabled creation of sophisticated machine learning algorithms
Integration into everyday life 2. __________ Increased efficiency and cost savings across various industries

Answers:

  1. 1950s
  2. 2010s

Questions:

  1. What significant milestone in AI development is attributed to Alan Turing?
    • A) The creation of the first neural network
    • B) The proposal of the Turing Test
    • C) The development of big data analytics
    • D) The invention of expert systems
  2. How did advancements in the 2000s revolutionize AI?
    • A) By introducing basic algorithms
    • B) By creating the Turing Test
    • C) By enabling deep learning models through big data and computational power
    • D) By developing the first expert systems
  3. According to the passage, what was a limitation of expert systems developed in the 1980s and 1990s?
    • A) They were too slow to process data
    • B) They could not adapt to new information
    • C) They were too complex to understand
    • D) They required too much human intervention
  4. What are some ethical and societal concerns related to the rapid growth of AI mentioned in the passage?
    • A) Increased efficiency and cost savings
    • B) Privacy, job displacement, and biased algorithms
    • C) Lack of computational power and data availability
    • D) The inability to solve complex problems

Answers:

  1. B) The proposal of the Turing Test.
  2. C) By enabling deep learning models through big data and computational power.
  3. B) They could not adapt to new information.
  4. B) Privacy, job displacement, and biased algorithms.

3. Academic Reading Practice Test

The Life and Work of Marie Curie

Marie Curie is celebrated as one of the most influential scientists of the 20th century. Born in 1867 in Warsaw, Poland, Curie is renowned for her pioneering research in radioactivity, a term she coined. Alongside her husband, Pierre Curie, she discovered the elements polonium and radium, and her work laid the foundation for future research in nuclear physics and chemistry. In recognition of her groundbreaking contributions, Curie was awarded the Nobel Prize in Physics in 1903 and the Nobel Prize in Chemistry in 1911.

From a young age, Marie displayed an exceptional aptitude for science and mathematics. Despite facing significant barriers due to her gender, she pursued her education with determination. She moved to Paris in 1891 to study at the University of Paris, where she earned degrees in physics and mathematics. It was there she met Pierre Curie, and they married in 1895, forming a powerful scientific partnership.

The Curies’ research on radioactivity began in the late 1890s. Marie Curie’s meticulous experiments demonstrated that radioactivity was an atomic property, not the result of a chemical reaction. This discovery was revolutionary and challenged existing scientific beliefs. In 1898, the Curies announced the discovery of two new elements: polonium, named after Marie’s homeland, and radium. Their work involved isolating radium salts from pitchblende ore, a laborious and hazardous process.

Marie Curie’s achievements in science were matched by her contributions to medicine. During World War I, she developed mobile radiography units, known as “Little Curies,” which were used to diagnose injuries in field hospitals. She also trained other women to operate these machines, significantly advancing medical treatment during the war.

Despite her scientific successes, Curie faced considerable challenges, including health issues caused by prolonged exposure to radioactive materials. Nevertheless, she continued her research and was the first woman to win two Nobel Prizes. Her legacy endures through the Curie Institutes in Paris and Warsaw, which remain leading centers of medical research.

Curie’s later years were marked by continued scientific research and public service. She traveled extensively, promoting scientific education and the peaceful use of radioactivity. Her contributions to science and her perseverance in the face of adversity have made her a lasting symbol of scientific achievement and resilience. Marie Curie died in 1934 from aplastic anemia, a condition believed to have been caused by her exposure to high levels of radiation.

Questions 1-3: Identifying Information

Do the following statements agree with the information given in Reading Passage 1? In boxes 1-3 on your answer sheet, write TRUE if the statement agrees with the information FALSE if the statement contradicts the information NOT GIVEN if there is no information on this

  1. Marie Curie was the first person to win two Nobel Prizes in different fields.
  2. Marie Curie developed mobile radiography units during World War I.
  3. Marie Curie discovered the element uranium.

Answers:

  1. TRUE
  2. TRUE
  3. FALSE

Table Completion

Choose NO MORE THAN THREE WORDS from the passage for each answer. Write your answers in boxes 4-7 on your answer sheet.

Event Year Details
Birth of Marie Curie 1867 Born in Warsaw, Poland
Moved to Paris 1891 Studied at the University of Paris
Discovery of polonium and radium 1898 Announced by Marie and Pierre Curie
Development of mobile radiography units 4. __________ Used during World War I to diagnose injuries
Death of Marie Curie 1934 Died from aplastic anemia

Answer: 4. World War I

Passage Questions:

  1. What were the two elements discovered by Marie Curie?
    • A) Uranium and thorium
    • B) Radium and uranium
    • C) Polonium and radium
    • D) Polonium and thorium
  2. Why did Marie Curie move to Paris?
    • A) To work with Pierre Curie
    • B) To escape political turmoil in Poland
    • C) To study at the University of Paris
    • D) To teach at a local school
  3. How did Marie Curie contribute to medical treatment during World War I?
    • A) By developing vaccines
    • B) By training nurses
    • C) By inventing X-ray machines
    • D) By developing mobile radiography units

Answers:

  1. C) Polonium and radium
  2. C) To study at the University of Paris
  3. D) By developing mobile radiography units

Academic Writing Sample Task- 1

You should spend about 20 minutes on this task. Write at least 150 words. The chart below shows the number of men and women participating in higher education in Japan over four periods and whether they were enrolled in undergraduate or postgraduate programs. Summarise the information by selecting and reporting the main features, and make comparisons where relevant.

Male and Female Participation in Higher Education in Japan

Year Men (Undergraduate) Women (Undergraduate) Men (Postgraduate) Women (Postgraduate)
1980-81 200,000 150,000 50,000 30,000
1990-91 250,000 200,000 60,000 40,000
2000-01 300,000 250,000 80,000 60,000
2010-11 350,000 300,000 100,000 80,000

Answer:

The chart provides data on the number of men and women enrolled in higher education in Japan over four periods: 1980-81, 1990-91, 2000-01, and 2010-11. It distinguishes between undergraduate and postgraduate programs.

In the 1980-81 period, 200,000 men and 150,000 women were enrolled in undergraduate programs, while 50,000 men and 30,000 women were enrolled in postgraduate programs. By 1990-91, these numbers had increased to 250,000 men and 200,000 women in undergraduate programs, and 60,000 men and 40,000 women in postgraduate programs.

The trend of increasing enrollment continued into the 2000-01 period, with 300,000 men and 250,000 women in undergraduate programs, and 80,000 men and 60,000 women in postgraduate programs. By 2010-11, the number of men in undergraduate programs had reached 350,000, and women had increased to 300,000. For postgraduate programs, the numbers were 100,000 men and 80,000 women.

Overall, the data shows a steady increase in the number of both men and women participating in higher education in Japan over the four periods. Men consistently had higher enrollment numbers than women in both undergraduate and postgraduate programs, but the gap between male and female participation narrowed over time.

Academic Writing Sample Task- 2

You should spend about 40 minutes on this task.
Write about the following topic:
Give reasons for your answer and include any relevant examples from your own knowledge or experience.
Write at least 250 words.

Question:

The proliferation of technology in education has revolutionized the way students learn. However, some argue that it also has negative effects on students’ social skills and overall development. Do the disadvantages of technology in education outweigh the advantages?

Answer:

The integration of technology into education has significantly transformed the learning landscape. Digital tools, online resources, and interactive platforms have made education more accessible and engaging. However, there are concerns that the increasing reliance on technology may negatively impact students’ social skills and overall development. While there are valid points on both sides, I believe that the advantages of technology in education outweigh the disadvantages.

One of the primary benefits of technology in education is the increased accessibility to information and learning resources. Students can access a wealth of knowledge online, which can supplement their traditional classroom learning. This democratization of information allows students from diverse backgrounds to learn at their own pace and according to their individual needs. For instance, educational platforms like Khan Academy and Coursera offer courses that cater to various subjects and skill levels, enabling students to enhance their knowledge beyond the classroom.

Additionally, technology fosters an interactive and engaging learning environment. Tools such as educational games, simulations, and multimedia presentations can make learning more enjoyable and effective. These tools cater to different learning styles, helping students grasp complex concepts more easily. For example, interactive science simulations allow students to visualize and experiment with scientific principles in a virtual setting, enhancing their understanding and retention of the subject matter.

However, there are concerns that the overuse of technology in education may hinder the development of social skills. Students who spend excessive time on screens may have fewer opportunities for face-to-face interactions, which are crucial for developing communication and interpersonal skills. Moreover, the impersonal nature of online learning can make it difficult for students to build meaningful relationships with their peers and teachers.

Despite these concerns, it is important to recognize that technology, when used appropriately, can complement traditional teaching methods and address its limitations. Schools and educators can implement a balanced approach that incorporates both technology and in-person interactions. For instance, blended learning models, which combine online and offline activities, can provide students with the best of both worlds. This approach ensures that students benefit from the advantages of technology while still engaging in social and collaborative activities.

In conclusion, while there are potential drawbacks to the widespread use of technology in education, the benefits it offers are substantial. By enhancing accessibility, engagement, and personalized learning, technology can significantly improve educational outcomes. To mitigate the disadvantages, it is crucial for educators to adopt a balanced approach that fosters both technological proficiency and social development.

More Links:

  1. IELTS Practice Paper 1
  2. IELTS Practice Paper 2

 


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