选择题

　　1. What part of speech is the word "decreasing"?

　　a) Adjective

　　b) Verb

　　c) Adverb

　　d) Noun

　　Correct answer: b) Verb

　　Explanation: "Decreasing" is the present participle form of the verb "decrease," indicating an ongoing action or state.

填空题

　　2. The opposite of "decreasing" is __________.

　　Correct answer: increasing

　　Explanation: "Increasing" is the antonym of "decreasing," signifying a growth or rise in quantity or quality.

判断题

　　3. True or False: "Decreasing" can be used to describe an upward trend.

　　Correct answer: False

　　Explanation: "Decreasing" specifically indicates a downward trend or reduction in size, quantity, or intensity.

论述题

　　4. Discuss the impact of decreasing population on a countrys economy and society.

　　Answer: A decreasing population can lead to labor shortages, reduced consumer demand, and a shrinking tax base, which may negatively affect economic growth. Additionally, it can strain social welfare systems and lead to an aging population, posing challenges for healthcare and pension systems.

　　5. Provide examples of situations where decreasing expenses would benefit a business.

　　Answer: Decreasing expenses can benefit a business by improving profitability and cash flow. For instance, renegotiating contracts with suppliers, implementing energy-efficient measures, and optimizing operational processes can all contribute to cost reduction and improved financial performance.

　　This comprehensive content addresses various question types related to the word "decreasing," covering its grammatical classification, antonym, usage, and broader implications.

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