What is the attitude of the author towards the function of sociologists in the great changes？
A. Critical.
B. Positive.
C. Negative.
D. Indifferent.
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It can be inferred that underlying the two changes is the change of_____.
A. the instrument of production
B. the size of the society
C. the social structure
D. the economic market
None of the advertisers mentions his or her ______.
A. height
B. weight
C. hair color
D. personality
In the ads all of the advertisers mention their ______.
A. age
B. hobbies
C. residence
D. kids
When Owens says "They have kept me alive over the years ", he means that themedals ______.
A. have been changed for money to help him live on
B. have made him famous in the US
C. have encouraged him to overcome difficulties in life
D. have kept him busy with all kinds of jobs
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