Why does the professor mention the wood thrush？
A. To contrast its displacement activities with those of other animal species
B. To explain that some animals display displacement activities other than grooming
C. To point out how displacement activities are influenced by the environment
D. To give an example of an animal that does not display displacement activities
查看答案
According to the lecture, what is one possible reason that displacement activities are often grooming behaviors？
A. Grooming may cause an enemy or predator to be confused.
B. Grooming is a convenient and accessible behavior.
C. Grooming often occurs before eating and drinking.
D. Grooming is a common social activity.
What does the professor say about disinhibition？
A. It can prevent displacement activities from occurring.
B. It can cause animals to act on more than one drive at a time.
C. It is not useful for explaining many types of displacement activities.
D. It is responsible for the appearance of seemingly irrelevant behavior.
What is the lecture mainly about？
A. Methods of observing unusual animal behavior
B. A theory about ways birds attract mates
C. Ways animals behave when they have conflicting drives
D. Criteria for classifying animal behaviors
“不具备专家资源、节目资金、制作能力等条件的电视台，不得盲目跟风制作电视养生节目”由此可以推出（）。
A. 有些制作电视养生节目的市电视台必须提高节目收视率
B. 上星卫视都具备制作电视养生节目的专家资源、节目资金、制作能力
C. 有些上星卫视需要提高自身制作能力
D. 所有不能制作电视养生节目的电视台都必须提高制作能力
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