| 推断题 题目答案及解析

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推断题

Clothing made from artificial materials, such as polyester (聚酯纤维), has many positive advantages. It is cheap to produce, lasts for a long time, and is comfortable to wear. However, the material has one major disadvantage. The tiny lint (纤维屑) from the material during each laundry cycle are big contributors to plastic pollution. Now, some scientists from Lithuania have found a way to recycle the waste into clean energy.

The researchers began by collecting lint from dryers across KTU’s (Kaunas University of Technology) dormitories. They then used a technique called pyrolysis (高温分解) to transform the lint waste into useful energy. The process involves heating the lint without oxygen. This causes the microfibers to turn into burnable gases and ashes.

The team, led by Dr. Samy Yousef, a senior researcher at KTU, published their findings in the journal Science of the Total Environment on March 25, 2021, showing that they were able to get three energy products—oil, gas, and charcoal—from the lint. More importantly, about 70 percent of the waste was turned into energy. Mathematical models done by the researchers indicate that 45 tons of microfibers—the amount generated by just one million people annually—could produce 13.8 tons of oil, 21.5 tons of gas, and 9.7 tons of charcoal, and result in an overall profit of about＄120, 000.

Dr. Yousef has even thought of a creative way to gather the household waste. The researcher says, “I believe that the collection system, similar to deposit-return for drink containers, could be developed based on our research. A household would bring the lintmicrofiber to a collection point and receive some kind of reward for it.”

Though the technology is encouraging, it will take time to perfect and use on a large scale. While we cannot stop doing laundry, there are some easy ways to reduce our environmental impact. Washing those clothes less frequently, doing full loads, and line drying them all help reduce the pollution.

What does the underlined word “This” in Paragraph 2 refer to?

["

The lint.

","

Oxygen.

","

The process.

","

Energy.

"]
[["C"]]

指代判断题。根据语法常识可知，指示代词 “this” 一般指代前文提及某事或某物，因此结合前文 “The process involves heating the lint without oxygen. (这个过程涉及到了在没有氧气的情况下加热纤维。)” 提及了 “一个 (加工) 过程”，同时结合 “This” 所在句的内容 “... causes the microfibers to turn into burnable gases and ashes. (……导致微纤维变成可燃气体和灰烬。)” 可推知，应是这个过程中，微纤维发生了变化。由此推知，“This” 指代前一句中的 “The process”。故选C。

Why does the writer provide so many data in Paragraph 3?

["

To urge immediate use of their findings.

","

To show the potential of the technology.

","

To prove the seriousness of lint waste.

","

To present the flexibility of pyrolysis.

"]
[["B"]]

推理判断题。根据文章第三段内容 “More importantly, about 70 percent of the waste was turned into energy. Mathematical models done by the researchers indicate that 45 tons of microfibers—the amount generated by just one million people annually—could produce 13.8 tons of oil, 21.5 tons of gas, and 9.7 tons of charcoal, and result in an overall profit of about＄120, 000. (更重要的是，大约70%的废物被转化为能源。研究人员进行的数学模型表明，45吨微纤维 (每年仅100万人产生的量) 可以生产13.8吨石油、21.5吨天然气和9.7吨木炭，总利润约为12万美元。)” 可知，这里提及的具体的数字都很大，说明该技术具有相当大的潜力。由此可推知，作者提供这些数据是为了展示高温分解技术的潜力。故选B。

Why are “deposit-return for drink containers” mentioned in the passage?

["

To explain a rule.

","

To make a conclusion.

","

To make a prediction.

","

To clarify an approach.

"]
[["D"]]

推理判断题。分析语境可知，“similar to deposit-return for drink containers, (类似于饮料容器的押金退还，)” 是对 “the collection system, (收集系统)”，即前文 “Dr. Yousef has even thought of a creative way to gather the household waste. (Yousef博士甚至想出了一种创造性的方法来收集家庭垃圾。)” 提到的创造性方法的类比论证。结合常识可知，人们对于饮料容器押金退还的方法很熟悉，这样，就能够容易理解这种创造性收集家庭纤维垃圾的方法。由此可推知，文中提到 “deposit-return for drink containers” 是为了阐明一种方法。故选D。

What might be the best title for the passage?

["

Eco-friendly Technology Transforms Lint into Energy

","

Scientists Have Reduced Plastic Pollution Sharply

","

Creative Ways to Produce Energy Need Perfection

","

Researchers Made New Discoveries about Lint

"]
[["A"]]

标题概括题。通读全文可知，文章首段末尾句内容 “Now, some scientists from Lithuania have found a way to recycle the waste into clean energy. (现在，立陶宛的一些科学家已经找到了一种将废物回收利用为清洁能源的方法。)” 揭示了文章的核心内容，同时结合后文的详细阐述可知，本文主要介绍了科学家们利用高温分解技术将纤维屑回收利用转化为清洁能源的新成果。A项 “Eco-friendly Technology Transforms Lint into Energy (环保技术将纤维屑转化为能源)” 概括了文章的大意，是本文的最佳标题。故选A。

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