【托福真题_英语外教一对一培训】栏目更新了TOEFL托福阅读真题及答案（69），以下为具体内容：

　　TOEFL托福阅读真题文章：

　　The concept of biodiversity encompasses the variety of life on Earth at all levels, from genes to ecosystems. It is a crucial aspect of our planet's health and functioning. Biodiversity provides numerous ecosystem services, such as pollination, water purification, and soil fertility maintenance.

　　One of the major threats to biodiversity is habitat loss. As human populations expand and urbanize, natural habitats are being destroyed at an alarming rate. Deforestation, for example, not only eliminates the homes of countless plant and animal species but also disrupts ecological processes.

　　Another significant threat is invasive species. These non native species can out compete native species for resources, leading to a decline in native biodiversity.

　　TOEFL托福阅读真题题目：

　　1. What is the main idea of the passage?

　　A. The importance of biodiversity and the threats it faces.

　　B. The role of humans in protecting biodiversity.

　　C. The definition of biodiversity.

　　D. The impact of invasive species on biodiversity.

　　2. According to the passage, what are ecosystem services? 。

　　A. Services provided by humans to ecosystems.

　　B. Benefits that ecosystems provide to humans and the environment.

　　C. The variety of life in ecosystems.

　　D. The processes that maintain ecosystem balance.

　　3. What is one of the major threats to biodiversity mentioned in the passage?

　　A. Climate change.

　　B. Over hunting.

　　C. Habitat loss.

　　D. Pollution.

　　4. Why is deforestation a threat to biodiversity?

　　A. It reduces the amount of oxygen in the atmosphere.

　　B. It destroys the habitats of many species and disrupts ecological processes.

　　C. It increases the risk of wildfires.

　　D. It leads to soil erosion.

　　5. What can invasive species do to native biodiversity?

　　A. They can help native species adapt to new environments.

　　B. They can out compete native species for resources and cause a decline in native biodiversity. C. They can introduce new genetic material to native species.

　　D. They can enhance the ecosystem services provided by native species.

　　TOEFL托福阅读真题参考答案：

　　A、B、C、B、B

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