According to the passage, which of the following is true within a society？
A. Social change is less likely to occur in technology than in values.
B. What people learned in their early times tends to change quickly.
C. The basic and emotional aspects of society tend to slow down social change.
D. Strange elements are likely to quicken social change.
查看答案
In the last paragraph, the author refers to a hypothesis as "a leap into the unknown" in order to show that hypotheses ______.
A. require effort to formulate
B. can lead to dangerous results
C. go beyond available facts
D. are sometimes ill-conceived
All the staff members of the department made concerted efforts to ______ the hall for the
A. clean up
B. clear up
C. dress up
D. make up
According to the second paragraph, a useful theory is one that helps scientists to ______.
A. observe events
B. find errors in past experiments
C. make predictions
D. publicize new findings
Retail sales volume in local urban and rural areas rose 58 percent and 8 percent, ______,
A. individually
B. respectively
C. correspondingly
D. accordingly
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