Married couples usually enjoy_________
A. more luxuries
B. better salaried positions
C. better tax advantages,
D. both A and B
Bright light from such big cities as Los Angeles has reduced the scientific value
A. Right
B. Wrong
C. Not mentioned
John is crazy about pop music.
Red is peculiar to male animals，which is connected with aggression in many animals．
A. Right
B. Wrong
C. Not mentioned
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