What is the main idea of the passage on Daylight Savings Time?
- A. Daylight Savings Time helps save energy.
- B. Daylight Savings Time is unnecessary and outdated.
- C. Daylight Savings Time is a law to conserve energy during wars.
- D. Daylight Savings Time was first implemented in Germany.
Correct Answer: A
Rationale: The correct answer is A: "Daylight Savings Time helps save energy." The passage explains how Daylight Savings Time is implemented to take advantage of more daylight, which results in energy savings. By adjusting clocks ahead in spring, people can make use of additional daylight in the evenings, leading to reduced energy consumption. This measure was introduced to address energy crises and has been shown to save significant amounts of energy. Choice B is incorrect as the passage does not portray Daylight Savings Time as unnecessary or outdated; instead, it highlights its benefits. Choice C is partially correct but not the main idea of the passage, as saving energy is the primary focus. Choice D is mentioned in the passage but is not the main idea; the main idea is about the purpose and benefits of Daylight Savings Time.
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Throughout this passage, the word suit means?
- A. A set of clothing.
- B. A group of cards in a deck.
- C. A legal case.
- D. A formal request.
Correct Answer: B
Rationale: The correct answer is B. In the passage, the word 'suit' refers to one of the four groups of cards in a deck of playing cards. The passage explains how the suits of cards, such as spades, hearts, diamonds, and clubs, are used in the game of Bridge. Choice A, 'A set of clothing,' is incorrect as it does not relate to the context of playing cards. Choice C, 'A legal case,' and Choice D, 'A formal request,' are also incorrect as they have no relevance to the discussion of card games in the passage.
What does sleep apnea cause?
- A. Chronic illness.
- B. Good sleep.
- C. Improved memory.
- D. Reduced physical illness.
Correct Answer: A
Rationale: Sleep apnea causes chronic illness. The passage specifically mentions that sleep apnea can result in chronic insomnia, indicating it can cause long-term health problems. Choices B, C, and D are incorrect as sleep apnea does not lead to good sleep, improved memory, or reduced physical illness.
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 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.
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.