L2：

Lecture 2

第一题

What does the professor mainly discuss?

A A way to study the behavior of a marine animal

B Possible personality traits of the gloomy octopus

C Challenges involved in videotaping octopuses in the wild

D Comparing the behavior of cephalopods in captivity and in the wild

第二题

What does the professor point out about the eyes of cephalopods?

Select 2 answers

A They play a key role in the survival of cephalopods.

B They change colors according to the cephalopod’s emotional state.

C They cannot distinguish between inanimate and living stimuli.

D They apparently can perceive some types of videos but not others.

第三题

What does the professor imply about static stimuli?

A They are often attacked by octopuses.

B Their usefulness as a research tool is limited.

C An octopus’s reaction to them should be measured across contexts.

D Researchers typically collect them from the ocean.

第四题

According to the professor, what happened when the octopuses in the study were shown a high-definition video?

A They refused to look at the video.

B They responded differently each time the video was shown.

C They behaved as they would in the wild.

D They did not respond to the video.

第五题

What does the student Carlos imply when he mentions Bayside Aquarium?

A He would like to carry out his own study of octopus behavior.

B His observations contradict a finding of the gloomy-octopus study.

C Octopuses should be studied in aquariums rather than in laboratories.

D Octopuses at Bayside Aquarium seem to lack personalities.

第六题

What opinion does the professor express about the 2009 study of the gloomy octopus?

A The study helps to explain why octopuses change their skin color and texture.

B The study suggests that octopuses do not have individual personalities.

C The study’s most significant finding is that HD video is perceptible to octopuses.

D The study’s findings are unreliable because too few octopuses were observed.