The phrase "take something out on somebody" in paragraph 2 most probably means______.
A. to make someone suffer while angry, or upset
B. to let someone understand that it is his fault
C. to help someone to forget what he has done
D. to punish someone and teach him a lesson
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The author has justified with his study of animal behavior. that______.
A. mammals are able to feel both joy and grief
B. birds and fish experience more pain than joy
C. mammals can experience richer emotions than other animals
D. common sense and intuition is less convincing than science sense
The author believes that social conflicts______.
A. tend to aggravate our working environment
B. derive from the disagreement among leaders
C. make matters much worse without any doubt
D. can be peacefully resolved though inevitable
By saying "Social conflicts know no bounds. ". the author means that______.
A. there is conflict between different races
B. social conflict is nothing but class struggle
C. nobody living in society can avoid conflict
D. conflict is an inherent part of any institution
Which of the following is an economical measure for energy conservation？
A. Investing in new forms of facilities.
B. Making more efficient refrigerators.
C. Requiring white roofs for buildings.
D. Toughening fuel economy standards.
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