A marriage between several men and women should be called________．
A. polygyny
B. polyandry
C. monogamy
D. not mentioned
For children，harsh punishment can________．
A. effectively discourage lying
B. discourage lying to a certain extent
C. discourage lying only in vain
D. actually strengthen lying
It is implied in the passage that________．
A. parents can establish close ties with their children by letting them be
B. children should receive education from their parents，not from schools
C. children should not be forced to stay away from the family nucleus
D. children should circle their parents in orbit at a distance
音乐可分为()两大类。
A. 吹打和说唱
B. 弦乐和管乐
C. 声乐与器乐
D. 声乐和弦乐
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