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MOCK TEST 1 Which of the following is NOT mentioned as a source of microplastics in the passage?

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The Impact of Microplastics
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Microplastics, small plastic particles less than 5 millimeters in diameter, are increasingly found in our environment. These particles originate from larger plastic debris that breaks down over time and from products like cosmetics and clothing. Microplastics have been detected in marine and freshwater systems, soil, and even the air we breathe.

The presence of microplastics in water bodies poses a serious threat to aquatic life. Fish and other marine organisms ingest these particles, leading to physical harm and toxic effects. Studies show that microplastics can accumulate in the tissues of these organisms, potentially affecting their growth and reproduction. The impact on food chains and ecosystems is profound, as smaller organisms are consumed by larger ones, leading to a buildup of microplastics through the food chain.

Humans are also affected by microplastics. Research indicates that microplastics can enter the human body through ingestion and inhalation. The long-term health effects are still being studied, but there are concerns about their potential to cause inflammation and disrupt hormonal functions. Efforts to mitigate the impact of microplastics include improving waste management practices and developing biodegradable alternatives. Raising awareness about the sources and dangers of microplastics is crucial for reducing their presence in the environment.

2.Which of the following is NOT mentioned as a source of microplastics in the passage?

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1. 题干:Which of the following is NOT mentioned as a source of microplastics in the passage? 以下哪一项在文章中没有被提及为微塑料的来源? 2. 分析:题目类型:否定事实信息题。解题策略:在文章中定位明确列出微塑料来源的句子,将选项逐一比对,找出未被提及的一项。 3. 定位信息理解:原文定位:第一段第二句:“These particles originate from larger plastic debris that breaks down over time and from products like cosmetics and clothing.” 信息理解:该句明确指出微塑料的两个来源:1) 分解的大块塑料碎片;2) 化妆品和衣物等产品。 4. 分析选项:(A) Larger plastic debris (较大的塑料碎片) - 分析:这是原文明确提到的第一个来源。 (B) Cosmetics (化妆品) - 分析:这是原文明确提到的“产品”之一。 (C) Clothing (衣物) - 分析:这是原文明确提到的“产品”之一。 (D) Soil (土壤) - 分析:原文第一段末尾提到微塑料在土壤中被发现,但那是微塑料存在的地方(环境介质),并非其来源。来源是进入土壤的塑料碎片和纤维等。此题关键在于区分“来源”和“存在场所”。此为正确答案。

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