Đề thi & Đáp án IELTS Recent Actual Test 6 – Listening Part 4

Chimpanzee behaviors

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

• learn through 32 of other chimps’ behavior

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

Chimpanzees in Senegal

• use spears sharpened with their teeth

• can 34 the shell of a coconut

• use a 35 hammer to crash nuts

• are capable of learning 36 and understanding human language

Sub-species

• Bonobos live on the other side of a 37

• Both of them are reducing alarmingly in population 38

• A They are slower than human in different ways
• B They learn things by copying humans’ behavior
• C They develop behaviors generation by generation
• D They have very strong ability of logical thinking
• E They could be modified to adapt to the environment