问题
选择题
中国古代最早的纸币——“交子”出现在（ ）
A．秦汉
B．隋唐
C．宋代
D．元代
答案
答案：C
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中国古代最早的纸币——“交子”出现在（ ）
A．秦汉
B．隋唐
C．宋代
D．元代
答案：C
Everybody dreams. Some people think dreams can tell us about the future. Other people think dreams tell us about ourselves. It’s like our 36 is talking to us. Why are dreams 37 strange and hard to understand? Some people think our brain uses 38 to talk to us. When we fly, swim, or fall down in our dreams, it has a 39 meaning. Lots of doctors help people ___40 __ their dreams. They find that dreams tell us about our 41 and fears. These days, many scientists 42 that dreams are very important. During the day, we have many 43 ,and our brain receives a lot of information. When we dream, our brain 44 information that is not important, and puts the most important information into our 45 .As we learn more about the brain, we may find answers to our questions about dreams.
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