Nokea
What role does water vapor play in the Water Cycle, as described in the passage?
- A. Water vapor is unnecessary in the water cycle.
- B. Water vapor plays a key role in precipitation.
- C. Water vapor is harmful to the environment.
- D. Water vapor cools the Earth's surface.
Correct Answer: B
Rationale: The correct answer is B: 'Water vapor plays a key role in precipitation.' The passage clearly outlines the importance of water vapor in the water cycle. It explains that water vapor returns to the air from surface water and plants, and condenses back into droplets of liquid, forming clouds. These clouds eventually lead to precipitation like rain, snow, sleet, or hail. Choice A is incorrect as water vapor is crucial in the water cycle. Choice C is also incorrect as there is no mention of water vapor being harmful in the passage. Choice D is incorrect as the passage does not state that water vapor cools the Earth's surface; instead, it highlights its role in the formation of precipitation.
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Why did the author write this passage?
- A. To explain insomnia and propose some solutions for the condition.
- B. To encourage people to avoid sleep.
- C. To criticize people who have sleep problems.
- D. To promote the use of sleep medication.
Correct Answer: A
Rationale: The correct answer is A. The author wrote the passage to explain insomnia and suggest ways to deal with it. The passage provides information about insomnia, its impact on daily life, and offers solutions like sleep hygiene and non-pharmacological therapies. Choices B, C, and D are incorrect as the passage does not encourage avoiding sleep, criticize people with sleep problems, or promote the use of sleep medication. Instead, it focuses on understanding and addressing insomnia.
What conclusion can be drawn about the article?
- A. The author explains differences in eating methods.
- B. Eating habits vary across different cultures.
- C. Space travel has posed challenges for eating habits.
- D. Chopsticks are more suitable than forks for space travel.
Correct Answer: A
Rationale: The correct answer is A. The passage discusses different eating methods in various cultures, focusing on their differences. The author describes the development of cutlery in European cultures, the use of chopsticks in China, and how space travel has influenced eating tools for astronauts. Choice B is incorrect because the passage emphasizes the differences rather than the similarities in eating habits across cultures. Choice C is partially supported by the passage as it mentions that space travel has created new challenges for consuming food, but it is not the main conclusion of the article. Choice D is not directly supported by the passage as it discusses the challenges of using chopsticks and forks in space rather than stating that chopsticks are superior to forks.
What conclusion can be drawn from the passage on the Amazon Rainforest?
- A. The Amazon Rainforest is shrinking at a rapid pace.
- B. The Amazon Rainforest is not affected by human activity.
- C. The Amazon Rainforest will survive indefinitely.
- D. The Amazon Rainforest has no significant impact on global warming.
Correct Answer: A
Rationale: The correct conclusion that can be drawn from the passage on the Amazon Rainforest is that it is shrinking at a rapid pace. The passage explicitly mentions the rapid deforestation and shrinking of the Amazon Rainforest due to human activities like logging and burning. This conclusion is supported by the alarming statistics provided, such as 9,169 square miles of forest being cut down in Brazil in 2003, and an area of rainforest the size of a football field being burned down every minute. This rapid destruction poses a significant threat to the survival of the Amazon Rainforest and its biodiversity. Choice B is incorrect as the passage clearly states that human activities are causing harm to the rainforest. Choice C is incorrect because the passage highlights the current dangers and threats faced by the Amazon Rainforest, indicating that its survival is at risk. Choice D is also incorrect as the passage clearly explains the significant impact of deforestation in the Amazon Rainforest on global warming due to the release of carbon dioxide into the atmosphere.
What does Macmillan's invention of the bicycle signify?
- A. He made important changes in bicycle design.
- B. He invented the first bicycle with pedals.
- C. He developed the modern chain drive.
- D. He improved the safety of bicycles.
Correct Answer: B
Rationale: Macmillan's invention of pedals was a significant milestone in bicycle history as it allowed for quicker and more efficient travel. The provided extract mentions that Macmillan's bicycle had foot-operated cranks like pedals, which enabled the rider to travel at a quick pace. This innovation marked a crucial development in the evolution of bicycles. While choices A, C, and D are related to advancements in bicycle design and safety, the key significance of Macmillan's invention lies in introducing pedals to bicycles, making choice B the correct answer.
What conclusion can be drawn from the passage on bicycles?
- A. Bicycles have been evolving for centuries.
- B. Bicycles have evolved significantly over time.
- C. Bicycles have remained unchanged since their invention.
- D. Bicycles are no longer a popular means of transportation.
Correct Answer: B
Rationale: The correct conclusion that can be drawn from the passage is that bicycles have evolved significantly over time. The passage discusses the evolution of bicycles from their early wooden, pedal-less designs to the modern safety bicycle with equal-sized wheels and chain-driven pedals. Each inventor mentioned in the passage contributed to significant improvements in bicycle design, making them more efficient and popular for transportation and recreation. Choice A is incorrect because the passage does not mention bicycles evolving continuously for centuries, but rather highlights specific innovations over time. Choice C is incorrect as the passage clearly describes the various improvements and changes made to bicycles since their invention. Choice D is also incorrect as the passage emphasizes the continued popularity and usefulness of bicycles for transportation all over the world.