# Reintroducing the beaver population to Britain

- 科目：雅思听力真题（Part 4）
- 考频：高频
- 最近考试：广州天河城BC雅思
- 题目数：10
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- 数据更新：2026-10-29

## 题目原文

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 For centuries, beavers were widespread across Britain's rivers and wetlands. However, due to extensive hunting, they gradually disappeared. They were mainly trapped for their thick fur, which was highly valued in clothing production, as well as for their meat, which was considered a delicacy. 
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 But another major reason for their decline was the demand for a certain glandular secretion they produced. This substance was not only used in medicines and perfumes, but also played a key role in transport industries, as it was an essential component in waterproofing leather goods and enhancing the quality of certain products. 
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 Today, conservationists are leading efforts to reintroduce beavers into carefully selected habitats. However, one of the major challenges is ensuring that these animals are not targeted by illegal hunting again. Government policies and conservation groups are working together to implement legal frameworks that will offer beavers protection from threats in the long run, including both human activities and natural predators. Without such regulations, their population could face another dramatic decline. Beavers are known for their unique physical features, which help them thrive in aquatic environments. One particularly distinctive part of their body serves multiple functions. It assists in swimming, provides balance, and even helps regulate body temperature. This feature, which is broad, flat, and covered in scales, allows them to navigate water efficiently while also acting as a heat regulator. This crucial adaptation is, of course, their tail. As these animals spread across different landscapes, they gradually establish new territories. Their movement patterns are often compared to those of other species that travel across vast distances to find food, shelter, or suitable breeding sites. 
 00:02:11,370 
 Similar to birds that relocate seasonally, beavers display a type of migration, particularly when young individuals leave their original colonies to form new groups in distant areas. Apart from their role in shaping ecosystems, beavers have also been historically valued for a particular substance they secrete. This material, which carries a strong musky odor, was once a prized ingredient in fragrance making. Before synthetic alternatives were developed, this beaver-derived compound was commonly used in the manufacturing of perfume, as its scent had long-lasting properties that helped stabilize fragrances. Despite the ecological advantages of beaver reintroduction, not everyone is convinced that their presence is entirely beneficial. Some landowners and farmers argue that the way beavers modify waterways can lead to certain disruptions. Their habit of constructing lodges and dams using tree branches and mud can sometimes obstruct water flow, causing issues for local residents. Many fear that such changes in river systems could create unwanted complications, leading to headaches for communities that rely on stable water levels for irrigation or infrastructure. Despite these concerns, research has shown that beavers contribute significantly to improving natural habitats. One of the most noticeable effects of their return is the rise in public interest. 
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 Scientists, wildlife enthusiasts, and tourists have flocked to areas where beavers have been successfully reintroduced. This surge in visitors has provided an economic boost to local businesses, as wildlife observation has become a popular activity. This increase in nature-based travel has helped stimulate tourism, benefiting nearby communities financially. Beyond economic advantages, beavers play a crucial role in water management. By building structures that slow the movement of water, they help prevent sudden changes in river levels. This ability to control water flow is particularly important in regions that experience heavy rainfall. 
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 Their natural engineering skills assist in reducing the risk of flood, as their dams act as barriers that store excess rainwater and release it gradually over time. 
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 Another vital contribution of beavers is their ability to improve water quality. One of the most notable improvements is the reduction of a particular chemical element that, when found in excessive amounts, can negatively impact aquatic ecosystems. By lowering the concentration of nitrogen, beaver activity helps prevent water pollution and supports a more balanced environment for fish and plant life. 
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 Finally, the habitats created by beavers provide shelter and food sources for a wide variety of species. The wetlands they establish become home to many creatures, including amphibians, birds, and small mammals. Additionally, their presence supports the survival of numerous tiny organisms that form the base of the food chain. Among the most abundant of these are insects, which thrive in the damp, nutrient-rich environments that beaver-modified landscapes offer.

## 题目与答案

### 31. Background ·Beavers were once native to Britain but were hunted extensively for their fur, meat, and a substance used in 31_____ .

Background ·Beavers were once native to Britain but were hunted extensively for their fur, meat, and a substance used in 31_____ .

**答案**：transport

原文定位：This substance was not only used in medicines and perfumes, but also played a key role in transport industries, as it was an essential component in waterproofing leather goods

同义替换：「a substance used in」↔「played a key role in」

### 32. ·One of the key concerns about reintroducing beavers is ensuring their long-term 32_____ from illegal hunting and predators.

·One of the key concerns about reintroducing beavers is ensuring their long-term 32_____ from illegal hunting and predators.

**答案**：protection

原文定位：implement legal frameworks that will offer beavers protection from threats in the long run, including both human activities and natural predators

同义替换：「long-term」↔「in the long run」；「ensuring」↔「offer」；「from illegal hunting and predators」↔「protection from threats」

### 33. ·The beaver`s 33_____ plays an important role in regulating its body temperature and helping it swim efficiently.

·The beaver`s 33_____ plays an important role in regulating its body temperature and helping it swim efficiently.

**答案**：tail

原文定位：It assists in swimming, provides balance, and even helps regulate body temperature. This feature, which is broad, flat, and covered in scales, allows them to navigate water efficiently while also acting as a heat regulator. This crucial adaptation is, of course, their tail. As these animals spread across different landscapes, they gradually establish new territories

同义替换：「plays an important role」↔「crucial」；「helping」↔「assists」

### 34. Ecological Impact ·The movement of beavers across different water systems is often compared to seasonal 34_____ seen in other animal species.

Ecological Impact ·The movement of beavers across different water systems is often compared to seasonal 34_____ seen in other animal species.

**答案**：migration

原文定位：Similar to birds that relocate seasonally, beavers display a type of migration, particularly when young individuals leave their original colonies to form new groups in distant areas

同义替换：「movement」↔「spread」；「compared」↔「similar」；「animal species」↔「birds」

### 35. ·A secretion from beavers was historically used in 35_____ production due to its strong scent.

·A secretion from beavers was historically used in 35_____ production due to its strong scent.

**答案**：perfume

原文定位：Before synthetic alternatives were developed, this beaver-derived compound was commonly used in the manufacturing of perfume, as its scent had long-lasting properties that helped stabilize fragrances

同义替换：「secretion」↔「substance」；「scent」↔「fragrances」

### 36. ·Some people opposed beaver reintroduction, claiming that their dam-building activities might cause 36_____ for local communities.

·Some people opposed beaver reintroduction, claiming that their dam-building activities might cause 36_____ for local communities.

**答案**：headaches

原文定位：Many fear that such changes in river systems could create unwanted complications, leading to headaches for communities that rely on stable water levels for irrigation or infrastructure

同义替换：「opposed」↔「fear」；「cause」↔「leading to」；「communities」↔「residents」

### 37. Environmental Benefits ·The presence of beavers in an area has been linked to an increase in 37_____ as people visit to observe these animals.

Environmental Benefits ·The presence of beavers in an area has been linked to an increase in 37_____ as people visit to observe these animals.

**答案**：tourism

原文定位：This increase in nature-based travel has helped stimulate tourism, benefiting nearby communities financially

同义替换：「linked to」↔「contributed to」；「increase in」↔「stimulate」

### 38. ·Beaver dams can help prevent 38_____ by slowing down water flow and storing excess rainwater.

·Beaver dams can help prevent 38_____ by slowing down water flow and storing excess rainwater.

**答案**：flood

原文定位：Their natural engineering skills assist in reducing the risk of flood, as their dams act as barriers that store excess rainwater and release it gradually over time

同义替换：「help prevent」↔「reducing the risk of」

### 39. · The ponds created by beaver activity improve water quality by reducing 39_____ levels, benefiting local ecosystems.

· The ponds created by beaver activity improve water quality by reducing 39_____ levels, benefiting local ecosystems.

**答案**：nitrogen

原文定位：By lowering the concentration of nitrogen, beaver activity helps prevent water pollution and supports a more balanced environment

同义替换：「reducing」↔「lowering」；「levels」↔「concentration」

### 40. ·Beavers contribute to biodiversity by creating habitats for fish, birds, and 40_____, which thrive in their modified environments.

·Beavers contribute to biodiversity by creating habitats for fish, birds, and 40_____, which thrive in their modified environments.

**答案**：insects

原文定位：Additionally, their presence supports the survival of numerous tiny organisms that form the base of the food chain. Among the most abundant of these are insects, which thrive in the damp, nutrient-rich environments that beaver-modified landscapes offer

同义替换：「contribute」↔「supports」；「biodiversity」↔「survival」；「environments」↔「landscapes」

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