完形填空

      Every dream has something to do with our feelings, longings, wishes, needs, fears, and memories. But something on the “outside” may affect what we  1. If a person is hungry or tired or cold, his dream may include a feeling of this kind. If the 2 on your body has slipped off your bed, you may dream that you are  3 or resting on the ice and snow. The material for the dream you will 4 tonight is probably to come from the experiences you have today.

       5 the subject of your dream usually comes from something that has an effect on you  6  you are sleeping (feeling of cold, a noise, a discomfort, etc.) and it may also use your past experiences and the wishes and interests you have now. This is why very young  7  are likely to dream of fairies(仙女), older children of school examinations,  8  people of food, homesick soldiers of their families and prisoners of freedom.

      To show you how that is  9  while you are asleep and how your wishes or needs can all be joined together in a dream,  10  is the story of an experiment. A man was asleep and the back of his  11  was rubbed  12 a piece of cotton. He would dream that he 13  in a hospital and his girlfriend was visiting him,  14  on the bed and feeling gently his hand!

       There are some scientists who have made a special  15  of why we dream, what we dream and what those dreams 16 . Their explanation of dreams, though a bit reasonable, is not accepted by everyone, but it 17 an interesting approach to the problem. They believe that dreams are  18 expressions of wishes that didn’t 19  . In other words, a dream is a way of having your wishes  20 out.