According to Cohen-Or, ______ .
A. the computer software will be popular in the future
B. attractiveness can be quantified by mathematical ratios
C. beauty is what a minority of people agree on
D. nobody knows much about beauty
把一个边长为4厘米的正方形铁丝框拉成两个同样大小的圆形铁丝框，则每个小圆铁丝框的面积为()。
A. 87π
B. 8/π
C. 16π
D. 16/π
According to the third paragraph, we can know that ______ .
A. the Eastern firms pay more attention to individual survival
B. the Western firms will share the burden unless incurring losses
C. the Eastern firms would rather preserve jobs in difficult times
D. the Western firms care more about members of the family
Appleyard' s study focuses on the influence of______．
A. traffic volume on the residents
B. rate of crime on the neighborhood
C. social classes on the transportation
D. degree of pollution on the environment
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