According to the research findings mentioned in the passage, reptiles ______.
A. such as turtles and snakes cannot close their eyes
B. cannot be studied with an EEC
C. do not sleep in the true sense of word
D. do not need to rest
查看答案
According to the author, humorists differ from ordinary people in the sense that ______.
A. they give vent to their sorrows in a laughable way
B. they have much trouble in their life and they are melancholy
C. they are more sensible of the sadness of life and they endure and express the pain cheerfully
D. they are mostly downs with a breaking heart
对提高慢性心力衰竭患者生存率无明显作用的药物是E．
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