According to the passage, social distance refers to-最需题库

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1If an animal's critical distance is penetrated, it will
A.begin to attack.
B.try to hide
C.begin to jump
D.run away
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2Which of the following is the most appropriate definition of Flight Distance、
A.Distance between animals of the same species before fleeing.
B.Distance between large and small animals before fleeing.
C.Distance between an animal and its enemy before fleeing.
D.Distance between certain animal species before fleeing.
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3In what way is obesity contagious and epidemic、
A.Social networks let the obesity spread rapidly.
B.Individuals have genetically determined ranges of weights.
C.Obesity can easily spread from one to another without any physical contact.
D.Obesity can spread rapidly and extensively by infection and affecting many individuals in an area or a population at the same tim
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4Which factor of becoming obese is not mentioned in this report、
A.Social contact.
B.Genetic information.
C.Life style.
D.Environmental influences.
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5According to Dr. Nicholas
A.Christakis, what is the explanation for friends being the greatest influence、A.Friends usually spend a lot of time together.
B.Friends share similar eating habits.
C.Friends are more important than family members.
D.Friends affected each others' feelings of fatness.
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6Which of the following could best replace the word "band" in "We can think of it as a hidden band that contains the group" (in Paragraph 3)、
A.strip of land.
B.distance.
C.society.
D.B.distanc
E.C.society.D.community.
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7The example of the children holding hands when crossing the street in the last paragraph shows that
A.social distance is not always needed.
B.there is no social distance among small children.
C.humans are different from animals in social distance.
D.B.there is no social distance among small children.C.humans are different from animals in social distanc
E.D.social distance is sometimes determined by outside factors.
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