According to the text, the main function of media institutions should be ______.
A. entertaining the audience
B. making profit
C. selling information
D. educating the public
查看答案
We can infer from the first paragraph that ______.
A. animals feel pain because their pupils dilate, their pulse rate and blood pressure rise
B. when body stimuli are isolated from the higher nervous centres, animals won't withdraw the stimulated limb
C. we will never know whether or not animals feel pain because they cannot speak
D. people conduct a lot of experiments on animals in order to get knowledge of pain
Which of the following is the best title for the text
Animals and Pain
B. Human Beings and Pain
C. Painful Stimuli and Reactions
D. Nerve System and Pain
We can safely conclude from the text that ______.
A. vertebrates feel pain because they have vertebrae
B. animals do not experience pain although they are equipped with all the necessary neurological structures
C. animals do not feel pain because they haven't developed fore-brains yet
D. none of the above
The flight to Shanghai will leave from this ______ at the airport.
A. stop
B. terminal
C. end
D. termination
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