题目内容：

Everybody dreams. Some people think dreams can tell us about the future. O 1.     people think dreams tell us about ourselves. It’s like our brain is talking to us. Why are dreams often strange and h 2.     to understand? Some people think our brain uses symbols to talk to us. When we fly, swim, or fall down in our dreams, it has a s   3.       meaning. Lots of people help o  4.     understand their dreams. They find that dreams tell us about our h  5.       and fears.

These days, many scientists b6.     that dreams are very important. During the day, we have many e  7.     , and our brain receives a lot of i 8.         . When we dream, our brain t  9.     away information that is not important, and puts the most important information i  10.        our memories. As we learn more about the brain, we may find answers to our questions about dreams.