# Chimpanzee behaviours

- 科目：雅思听力真题（Part 4）
- 考频：超高频
- 最近考试：2024.8.10/2021.8.21/2019.5.23
- 题目数：9
- 来源页：https://www.yaquan.site/paper/46c3db8d-562f-4f39-9a86-6db1d7adcbb5（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

00:00:01,860 
 Part four. 
 00:00:07,900 
 You will hear a talk on the research of the behavior of chimpanzees. 
 00:00:13,300 
 First, you have some time to look at questions thirty-one to forty. 
 00:00:21,960 
 Now listen carefully and answer questions thirty-one to forty. 
 00:01:06,880 
 Welcome back to my series of short lectures on apes. 
 00:01:11,120 
 Today, we will examine recent and historical breakthroughs on the behavior of chimpanzees, otherwise known as chimps. 
 00:01:20,020 
 The word chimpanzee is an umbrella term for two different species of apes in the genus Pan, which are the common chimpanzee, or Pan troglodytes, found in West and Central Africa, and the bonobo, or Pan paniscus, which are found in the forests of the Democratic Republic of the Congo. 
 00:01:41,420 
 Chimpanzees belong to the Hominidae family, together with gorillas, orangutans, and indeed humans. 
 00:01:49,420 
 Current research tells us that the chimps broke away from the human branch of the Hominidae family approximately six million years ago and remain the closest living relative to humans to this day. 
 00:02:02,180 
 More modern researches into chimpanzees have centered on their behavioral characteristics once all biological and genetic factors have been ruled out. 
 00:02:12,900 
 In this way, scientists have unearthed an unfathomable amount of similarities between human and chimpanzee behavior. 
 00:02:22,120 
 Although much of this research has taken place through observation of captive chimps, the results are widely seen as an authoritative reflection of chimps living in the wild. 
 00:02:34,140 
 Chimps live in large so-called communities comprised of many male and female members, with the social hierarchy determined by an individual chimp's position and influence. 
 00:02:46,900 
 Through such research, scientists have found that chimps learn and adapt through observation of others' behavior. Once in power, the alpha male is often seen to alter its body language in order to retain power. For example, he might puff himself up in order to intimidate others, 
 00:03:06,720 
 while lower ranking chimps are noted to behave more submissively and holding out their hands while grunting. Female chimpanzees also have a distinct social hierarchy with high social standing inherited by children. 
 00:03:22,840 
 It is not unheard of for dominant females within a community to unite and overthrow the alpha male, backing another in his place. 
 00:03:33,480 
 James Diamond, in his book The Third Chimpanzee, suggests that chimps should now be reclassified in the genus Homo instead of Pan, and there are many arguments still in favor of this. 
 00:03:48,220 
 Male common chimpanzees are on average one point seven meters in height, weighing seventy kilograms, with their female counterparts being somewhat smaller. 
 00:03:59,040 
 By comparison, the bonobo is slightly shorter and lighter, but with longer arms and legs. However, both species walk on all fours and climb trees with great ease. 
 00:04:12,740 
 Jane Goodall made a groundbreaking discovery in nineteen sixty when she observed the use of tools among chimpanzees, including digging for termites with large sticks. 
 00:04:24,740 
 A recent study claimed to reveal that common chimpanzees in Senegal have been using spears sharpened with their teeth to hunt. However, these reports remain unsubstantiated. 
 00:04:37,820 
 Researchers have witnessed such tools, namely rocks, being used by chimps to open coconut shells and indeed crushing nuts with stone hammers. 
 00:04:47,900 
 As scientific technology has developed, so too has our knowledge of the sheer extent of the chimp's intelligence. 
 00:04:55,060 
 Research has now shown that chimps have the capability to learn and use symbols and understand aspects of the human language, including syntax as well as numerical sequences. 
 00:05:08,340 
 As I mentioned earlier, the umbrella term chimpanzee is comprised of the common chimpanzee and the bonobo. 
 00:05:16,980 
 These two subspecies are divided along the Congo River, with the common chimps living on one side and the bonobos living on the opposite side of the river. 
 00:05:27,700 
 Over the past few decades, both of these subspecies have witnessed an alarming decrease in population density, with animal activists now working harder than ever to protect those remaining and encourage procreation. 
 00:05:46,520 
 In addition, next week's episode will focus more closely on how chimpanzees in captivity are able to learn things through imitating the behavior of humans, as well as how chimpanzees behaviors have developed over many generations. 
 00:06:02,520 
 Thank you very much for attending this evening's lecture. I hope you found it intellectually stimulating, and I look forward to seeing you again next week. Good night.

## 题目与答案

### 31. Species · We can find Pan or Pan Troglodytes in West and Central Africa. · The Bonobo or Pan Paniscus are found in Democratic Republic of Congo. Current research · rule out 31_____ and biological factors

Species · We can find Pan or Pan Troglodytes in West and Central Africa. · The Bonobo or Pan Paniscus are found in Democratic Republic of Congo. Current research · rule out 31_____ and biological factors

**答案**：genetic

原文定位：More modern researches into chimpanzees have centered on their behavioral characteristics once all biological and genetic factors have been ruled out

### 32. · learn through 32_____ of other chimps` behaviour

· learn through 32_____ of other chimps` behaviour

**答案**：observation

原文定位：Through such research, scientists have found that chimps learn and adapt through observation of others' behavior

### 33. Discoveries · The book The Third Chimpanzee by James Diamond discusses some physical features of chimpanzees. · The discovery reported by Jane Goodall suggests that chimpanzees know how to use 33_____

Discoveries · The book The Third Chimpanzee by James Diamond discusses some physical features of chimpanzees. · The discovery reported by Jane Goodall suggests that chimpanzees know how to use 33_____

**答案**：tools

原文定位：Jane Goodall made a groundbreaking discovery in nineteen sixty when she observed the use of tools among chimpanzees, including digging for termites with large sticks

同义替换：「The discovery reported by」↔「made a groundbreaking discovery」；「suggests that chimpanzees know how to use」↔「observed the use of」

### 34. Chimpanzees in Senegal · use spears sharpened with their teeth · can 34_____ the shell of a coconut

Chimpanzees in Senegal · use spears sharpened with their teeth · can 34_____ the shell of a coconut

**答案**：open

原文定位：Researchers have witnessed such tools, namely rocks, being used by chimps to open coconut shells and indeed crushing nuts with stone hammers

### 35. · use a 35_____ hammer to crash nuts

· use a 35_____ hammer to crash nuts

**答案**：stone

原文定位：Researchers have witnessed such tools, namely rocks, being used by chimps to open coconut shells and indeed crushing nuts with stone hammers

### 36. · are capable of learning 36_____ and understanding human language

· are capable of learning 36_____ and understanding human language

**答案**：symbols

原文定位：Research has now shown that chimps have the capability to learn and use symbols and understand aspects of the human language, including syntax as well as numerical sequences

### 37. Sub-species · Bonobos live on the other side of a 37_____ .

Sub-species · Bonobos live on the other side of a 37_____ .

**答案**：river

原文定位：These two subspecies are divided along the Congo River, with the common chimps living on one side and the bonobos living on the opposite side of the river

同义替换：「other」↔「opposite」

### 38. · Both of them are reducing alarmingly in population 38_____ .

· Both of them are reducing alarmingly in population 38_____ .

**答案**：density

原文定位：Over the past few decades, both of these subspecies have witnessed an alarming decrease in population density, with animal activists now working harder than ever to protect those remaining and encourage procreation

同义替换：「reducing」↔「decrease」

### 39-40. Which TWO topic about chimpanzees will the students discuss next week?

Which TWO topic about chimpanzees will the students discuss next week?

- They are slower than human in different ways.
- They learn things by copying human`s behaviour.
- They develop behaviours generation by generation.
- They have very strong ability of logical thinking.
- They could be modified to adapt to the environment.

**答案**：They learn things by copying human`s behaviour.,They develop behaviours generation by generation.

原文定位：In addition, next week's episode will focus more closely on how chimpanzees in captivity are able to learn things through imitating the behavior of humans, as well as how chimpanzees behaviors have developed over many generations

同义替换：「copying」↔「imitating」

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