# Animal sense

- 科目：雅思听力真题（Part 4）
- 考频：中频
- 最近考试：2015.11.19/2013.9.28
- 题目数：10
- 来源页：https://www.yaquan.site/paper/8952fee9-b496-4e6d-a523-1395ed593486（在线机考练习与音频请访问该页面）
- 数据更新：2026-10-29

## 题目原文

00:00:00,560 
 Section four. 
 00:00:02,700 
 You will hear a talk on the research of the sensory systems of different species. 
 00:00:09,300 
 First, you have some time to look at questions thirty-one to forty. 
 00:00:21,560 
 Now listen carefully and answer questions thirty-one to forty. 
 00:01:26,760 
 Good day, ladies and gentlemen. Welcome to the second lecture in our series on animal senses. Today, I'll be comparing the sensory systems of different species and discussing how these senses enable them to explore their environment. When it comes to the sense of smell, you may think that human beings have powerful and well-evolved sensory systems. However, some animals have a sense of smell that is far more powerful than ours. Dogs, for example, have a sense of smell that is forty times greater than a human's and can distinguish two hundred and twenty kinds of smell. Some animals can even smell odors that are undetectable by the human nose, such as carbon dioxide. There are also animals that have a relatively weak sense of smell. For example, there are species of beetles that can recognize the odors of certain plants, but not others. 
 00:02:18,220 
 The bee is an interesting example to examine in reference to smell because they experience this sense via their antennae. Bumblebees have stings, but it's rare that they actually use this weapon. When a bee feels threatened, it will use its legs to signal and warn others about the threat before it stings. This is called a signaling posture and involves the bee lifting its two back legs into the air. 
 00:02:43,400 
 Within any hive, there is a hierarchy with the queen bee at the top. The queen bee is able to control the colony by monitoring its movement through her feet. The queen bee is the only reproductive female in the entire colony, and she is also able to sting multiple times, unlike the worker bees that will die if they sting. 
 00:03:03,180 
 In the insect world, scent can also be used to facilitate mating, as females decide whether or not to mate with a male depending on the quality of his scent. One such example of this is the female butterfly, who will only mate with the male butterfly that produces the strongest pheromones. 
 00:03:22,00 
 This is how the species ensures that only the best genes are perpetuated in order to create the strongest offspring. 
 00:03:30,340 
 Next, we move on to the hearing sense of beetles. Interestingly, beetles do not have ears, but instead use their feet to detect vibrations caused by sound. This is particularly useful when searching for food among the trees in which they live, as they are able to detect the location and movement of their prey by monitoring vibrations in the woodlands. 
 00:03:53,180 
 The final sense that we'll be looking at today is sight. Snakes are a particularly interesting case study as they do not see shapes and colors as humans do, but instead hunt their prey by detecting the heat radiating from their mouths. This makes them incredibly effective predators, as they are able to zero in on their prey very quickly and efficiently. From a distance, a snake is able to locate the heat radiating from a mouse, for example, and upon moving closer, will be able to determine its body shape. This can help prevent the snake from attempting to attack prey that is too large for it. 
 00:04:29,600 
 Once a snake has killed and eaten its prey, it goes into a state of hibernation, whereby all of its energy is directed towards digesting the food stored in its stomach. Depending on the size of the snake and its prey, this hibernation can last from hours to days. Once fully fed, a large snake will not need to eat again for the next couple of weeks. During the breeding season, however, female snakes will feed more frequently. 
 00:04:56,420 
 The heat detection of a snake is very complex and can be even more effective than the vision of a human. It not only uses heat to determine the location of its prey, but before it commits to hunt, it will also use the heat to calculate how much distance it has to travel in order to reach it. This prevents the snake from wasting energy hunting prey that is too far away to catch. 
 00:05:22,380 
 That is the end of section four. 
 00:05:25,480 
 You now have half a minute to check your answers.

## 题目与答案

### 31. Smell - Dogs have a greater sense of smell than human beings and are able to tell. - Some animals can smell odours such as 31_____ recognised by the human nose.

Smell - Dogs have a greater sense of smell than human beings and are able to tell. - Some animals can smell odours such as 31_____ recognised by the human nose.

**答案**：carbon dioxide

原文定位：Some animals can even smell odors that are undetectable by the human nose, such as carbon dioxide

同义替换：「recognised」↔「undetectable」

### 32. - Bees, feeling, threatened, will use their 32_____ before they sting.

- Bees, feeling, threatened, will use their 32_____ before they sting.

**答案**：legs

原文定位：When a bee feels threatened, it will use its legs to signal and warn others about the threat before it stings

### 33. - Queen bees, which can sting multi times, use their feet to keep 33_____ over the colony.

- Queen bees, which can sting multi times, use their feet to keep 33_____ over the colony.

**答案**：control

原文定位：The queen bee is able to control the colony by monitoring its movement through her feet

### 34. - A female 34_____ decides whether or not to mate with a male according to the quality of his scent.

- A female 34_____ decides whether or not to mate with a male according to the quality of his scent.

**答案**：butterfly

原文定位：One such example of this is the female butterfly, who will only mate with the male butterfly that produces the strongest pheromones

同义替换：「decides whether or not to mate」↔「will only mate with」；「according to the quality of his scent」↔「produces the strongest pheromones」

### 35. Hearing - Sound through vibrations can be recognized by beetles without ears by using their 35_____ .

Hearing - Sound through vibrations can be recognized by beetles without ears by using their 35_____ .

**答案**：feet

原文定位：Interestingly, beetles do not have ears, but instead use their feet to detect vibrations caused by sound

同义替换：「recognized」↔「detect」；「without」↔「do not have」

### 36. - They can locate prey living in 36_____ by tracking the vibrations.

- They can locate prey living in 36_____ by tracking the vibrations.

**答案**：woodlands

原文定位：they are able to detect the location and movement of their prey by monitoring vibrations in the woodlands

同义替换：「tracking」↔「monitoring」

### 37. Sight - Snakes are able to search for food by detecing 37_____ from the mouths of their prey.

Sight - Snakes are able to search for food by detecing 37_____ from the mouths of their prey.

**答案**：heat

原文定位：Snakes are a particularly interesting case study as they do not see shapes and colors as humans do, but instead hunt their prey by detecting the heat radiating from their mouths

同义替换：「search for food」↔「hunt their prey」；「from the mouths of their prey」↔「radiating from their mouths」

### 38. - They can tell the 38_____ of a mouse by detecting its heat.

- They can tell the 38_____ of a mouse by detecting its heat.

**答案**：body shape

原文定位：From a distance, a snake is able to locate the heat radiating from a mouse, for example, and upon moving closer, will be able to determine its body shape

同义替换：「can tell」↔「will be able to determine」；「detecting」↔「locate」

### 39. - After its prey is killed, a snake stores food in its 39_____ and hibernates.

- After its prey is killed, a snake stores food in its 39_____ and hibernates.

**答案**：stomach

原文定位：Once a snake has killed and eaten its prey, it goes into a state of hibernation, whereby all of its energy is directed towards digesting the food stored in its stomach

### 40. - A snake that goes into a state of hibernation will not eat for a long period of time. - The 40_____ is calculated by snakes before hunting their prey.

- A snake that goes into a state of hibernation will not eat for a long period of time. - The 40_____ is calculated by snakes before hunting their prey.

**答案**：distance

原文定位：It not only uses heat to determine the location of its prey, but before it commits to hunt, it will also use the heat to calculate how much distance it has to travel in order to reach it

同义替换：「before hunting their prey」↔「before it commits to hunt」

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