能够共同完成一种或几种生理功能的多个器官按照一定次序组合在一起构成（    ）

能够共同完成一种或几种生理功能的多个器官按照一定次序组合在一起构成（    ）

世界上的火山、地震，大多发生在（　　）

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.