Superstitious activities can be observed in ______.
A) nature C) animal behavior
B) the weather D) human society

A．People used to wear special clothes to ______.
B．chase away the evil spirits
C．please the good spirits
D．show their happiness
E．show their anger

A．Evil spirits won't harm superstitious people.
B．Horoscopes can predict one's future.
C．Scientific knowledge can explain every uncertainty in nature now.
D．Tossing a bit of salt over one's left shoulder after spilling salt is a superstitious act.