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[音频][音频]
A Superstitions and science.
B Tips on how to have good luck.
C Superstitions in the United States.
D Rational and superstitious societies.
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A Walking under a ladder.
B Dreaming of a black cat.
C Hanging a mirror in the house
D Stepping on one's own shadow.
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A. Because black cats look like witches.
B Because black cats were thought to be witches.
C Because blackcatsbringseven years of bad luck.
D Because black cats are hard to notice in darkness.
[音频]
A. Breaking a mirror on purpose.
B Catching a falling leaf on one's birthday.
C Finding a penny on the ground and picking it up.
D Dreaming of blowing out the candles in one blow.
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