海洋生物学 TPO17-L4 Octopus

TPO17-L4

Octopus

Listen to part of a lecture in a biology class.

 



  1. What is the lecture mainly about?
  • A. Different kinds of color vision in sea animals.
  • B. Differences in appearance between various species of octopus.
  • C. Ways that octopuses attract their prey.
  • D. Ways that octopuses protect themselves from predators.

 

  1. Why does the professor first mention Proteus?
  • A. To explain how the octopus got its scientific name.
  • B. To introduce the octopus’ exceptional abilities.
  • C. To point out that the octopus played an important role in Greek mythology.
  • D. To provide an example of a mythological character that was part animal and part human.

 

  1. How does an octopus change color to match the colors in its environment?
    [CHOOSE 2 ANSWERS]
  • A. By raising its papillae.
  • B. By releasing colored ink.
  • C. By reflecting light from its environment.
  • D. By contracting the muscles around its chromatophores.

 

  1. What does the professor say about the function of the papillae?
  • A. They produce dye in different colors.
  • B. They propel the octopus through the water.
  • C. They change the texture of the octopus’ skin.
  • D. They help the octopus contract into a smaller shape.

 

  1. What two examples does the professor mention to describe the octopus ability to change its shape?
    [CHOOSE 2 ANSWERS]
  • A. A small round stone.
  • B. The leaves of a plant.
  • C. A cloud of ink.
  • D. A piece of coral.

 

  1. Why does the professor say this: 🎧

 

  • A. To point out an error.
  • B. To illustrate a point.
  • C. To propose an explanation.
  • D. To correct a misunderstanding.


答案:
D B CD C AB B

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