Why was Lamarr's invention not of interest to the US?
- A. Hollywood was known to have spies
- B. The navy preferred to use the work of military engineers
- C. The military was too preoccupied to consider new inventions
- D. They suspected her patent was invalid
Correct Answer: B
Rationale: The correct answer is B. The US Navy preferred to utilize technology developed by military engineers rather than consider Lamarr's invention. Choice A is incorrect because Hollywood containing spies is not relevant to why the US was not interested in Lamarr's invention. Choice C is incorrect as there is no mention of the military being too preoccupied to consider new inventions in the provided context. Choice D is incorrect as there is no indication that the US suspected Lamarr's patent to be invalid; rather, the focus was on the navy's preference for technology developed by military engineers.
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What prompted Hedy Lamarr to take up inventing?
- A. Boredom from her film roles lacking spoken lines
- B. Formal training in engineering
- C. Her successful inventions like the radio signal technology
- D. Working with Howard Hughes' aviation team
Correct Answer: A
Rationale: Hedy Lamarr took up inventing due to boredom from her film roles lacking spoken lines. The extract mentions that to relieve her boredom, Lamarr turned to inventing after her film roles did not provide much dialogue.
Which of the following conclusions can be drawn from the passage?
- A. Plastic pollution poses a significant environmental threat due to its lasting nature and difficulty in recycling.
- B. Plastic is an outdated material with no advantages.
- C. Recycling plastic significantly reduces environmental pollution.
- D. Plastic pollution has no impact on marine life.
Correct Answer: A
Rationale: The correct conclusion that can be drawn from the passage is that plastic pollution poses a significant environmental threat due to its lasting nature and difficulty in recycling. The passage highlights the challenges of recycling plastic due to its low quality when recycled, leading to pollution and environmental hazards. It mentions the presence of a large island of plastic in the Pacific Ocean, showing the severe impact of plastic pollution on the environment. Therefore, choice A is the most accurate conclusion. Choice B is incorrect as the passage mentions that plastic has many advantages despite its recycling challenges. Choice C is incorrect as the passage indicates that recycling plastic is difficult due to its low quality when recycled. Choice D is incorrect as the passage clearly states that plastic consumption by marine life like fish and birds is a reality, showing the impact of plastic pollution on marine ecosystems.
Which of the following sentences from the passage includes a fact?
- A. With a running time of 98 minutes, the pacing is quick and efficient.'
- B. You can see the toll this stalking experience has had on her every twitch of her eye and clench of her jaw.'
- C. The close-up shots feel claustrophobic like the perspective is skewed.'
- D. This is a tense thrill ride that will not disappoint fans of Joy Taylor or this genre in general.'
Correct Answer: A
Rationale: The correct answer is A. The sentence 'With a running time of 98 minutes, the pacing is quick and efficient' includes a fact, which is the running time of the movie. This statement provides a concrete, verifiable detail from the passage. Choice B describes a subjective observation about the character's behavior, not a fact. Choice C expresses an opinion about the visual effect of the close-up shots, not a factual detail. Choice D offers an opinion about the movie's appeal to fans of a specific genre, rather than presenting a fact from the passage.
What source would be most useful in determining the reliability of Punxsutawney Phil's predictions over a number of years?
- A. A memoir from a former president of the Groundhog Club
- B. A record of weather patterns over the past decade
- C. An article on groundhog behavior in the northeast U.S
- D. A historical account of Groundhog Day traditions
Correct Answer: B
Rationale: A record of weather patterns over the past decade would be the most useful source in determining the reliability of Punxsutawney Phil's predictions. By comparing Phil's forecasts with the actual weather outcomes, one can analyze the accuracy of his predictions. Choices A, C, and D do not directly provide the necessary data on weather patterns to evaluate Phil's reliability.
Which of the following resources would help a reader gather information about economic trade during World War 1?
- A. News articles and textbooks
- B. Social media and photographs
- C. Atlases and works of art
- D. Almanacs and music
Correct Answer: A
Rationale: News articles and textbooks would provide the most relevant historical data on economic trade during World War 1. During significant events like World War 1, news articles would have reported on the economic aspects, such as trade disruptions and policies. Textbooks that cover the period would also delve into the economic impacts of the war. Choices B, C, and D are incorrect because social media, photographs, atlases, works of art, almanacs, and music are less likely to contain specific information about economic trade during World War 1. Social media did not exist during that time, photographs, atlases, works of art, almanacs, and music are more focused on visual, geographical, artistic, or general historical aspects rather than detailed economic data.