题目内容：
第49空______
A．For example, the people in men's dreamsare often other men. and the dreams often involve fighting. B．Men and women dream about differentthings.
C．A criminal, for example, might dreamabout crime.
D．However, one thing they agree on this:If you dream that something terrible is going to occur, you shouldn't panic.
E．It was only in the twentieth centurythat people started to study dreams in a scientific way.
F．He thought people could leam more aboutthemselves by thinking about their dreams.
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