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What is the meaning of the word viable as used in the last paragraph?
- A. Reasonable
- B. Unresolved
- C. Contemporary
- D. Consistent
Correct Answer: A
Rationale: Viable in this context means reasonable, referring to acupuncture as a valid treatment option.
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A reader might infer from this passage that ___________.
- A. Obesity can be detrimental to a long life
- B. Car crashes are most frequent in the United States
- C. The Second Amendment should be overturned
- D. People in Asia and Africa have the shortest life spans
Correct Answer: A
Rationale: The passage suggests that obesity and its related health issues contribute to lower life expectancy, implying obesity is detrimental to a long life.
What is the meaning of the word onset as used in the first paragraph?
- A. Cure rate
- B. Incubation period
- C. Remainder
- D. Commencement
Correct Answer: D
Rationale: Onset in this context means commencement, referring to the beginning of dementia symptoms.
What is the meaning of the word duration as used in the last paragraph?
- A. Basis
- B. Extent
- C. Cure
- D. Solidity
Correct Answer: B
Rationale: The word "duration" in the context of sleep refers to the length of time that children should sleep. It suggests a focus on the amount of sleep necessary for healthy development, making option B the correct choice as it aligns with the emphasis on recommended sleep hours for children.
What is the author's primary purpose in writing this essay about microbes?
- A. To persuade
- B. To inform
- C. To entertain
- D. To analyze
Correct Answer: B
Rationale: The author's primary purpose is to inform readers about the crucial role of microorganisms in the immune system. The essay focuses on presenting factual information and recent discoveries regarding the impact of microbes on human health. The author aims to educate the readers on the significance of microbes in human health rather than persuade them of a particular viewpoint (Choice A), entertain them with light-hearted content (Choice C), or analyze in-depth data and findings (Choice D). The essay's emphasis on informing readers about the role of microorganisms in the immune system makes 'To inform' the correct choice.
What is the main idea of the passage about microbes?
- A. Recent discoveries are revealing the critical role of microorganisms in maintaining a properly functioning immune system.
- B. The human body is host to a staggering number of microorganisms.
- C. Bacteriotherapy reintroduces healthy bacteria into a colon lacking the capability to defend against pathogenic agents.
- D. Early research has shown remarkable discoveries in the possibilities of bacteriotherapy.
Correct Answer: A
Rationale: The main idea of the passage is that recent discoveries are shedding light on the pivotal role of microorganisms in maintaining a properly functioning immune system. The passage discusses how the human body hosts a wide array of microorganisms, emphasizes the importance of these bacteria in the development of the immune system, and explores the potential applications of bacteriotherapy. Choice A is the correct answer because it accurately reflects the central theme discussed in the passage. Choices B, C, and D are incorrect because they focus on specific details or applications mentioned in the passage, rather than capturing the overarching theme of the critical role of microorganisms in immune system function.