Napping(小睡) after learning something new could help improve your memory--- as long as you dream, scientists say.

　 They found people who dream about a new task do it better on waking than those who do not sleep or do not dream.

Volunteers were asked to learn the layout(布局，设计) of a 3D computer maze(迷宫) so they could find their way several hours later. Those allowed to take a pap and who also remembered dreaming of the task, found their way to a landmark quicker.

　 The researchers think the dreams are a sign that unconscious(无意识的) parts of the brain are working hard to process information about the task..

　 Dr. Robert Stickgold of Harvard Medical School, said dreams may be a marker that the brain is working on the same problem at many levels.

　 Study tips

　 Co-author Dr. Erin Wamsley said the study suggests our non-conscious brain works on the things that it deem(认为) are the most important.

　 “Every day we are gathering lots of information and new experiences,” she said. “It would seem that our dreams are asking the question, “How do I use this information to inform(影响) my life?”

　 The scientists say there may be ways to use this phenomenon(现象) for improving learning and memory. For example, students might be better studying hard before bedtime, or taking a nap after a period of afternoon study.

57. Scientists say ______ could help improve your memory.

A. dream　　 B. nap　　　　 C. nap and dream　　　 D. nap without dream

58. What were volunteers asked to do?

A. Take a nap.　 B. Dream a task.　 C. Learn about 3D computer.　 D. Find their way out of a maze.

59.Which is right about dreams?

A. They are a sign that parts of the brain is unconscious.

B. They can help us fall asleep and improve learning and memory.

C. They tell us how to use this information to inform our life.

D. They may be a marker that the brain is working on the same problem.

60. When is the best time for study?

A. Before bedtime. 　 B. After bedtime.　 C. Before taking a nap.　 D. In the afternoon.

___ you don’t look first, a car may ___ you.

A. before, hit 　　B. If, hit 　　C. Because, hurt 　　D. After, hurt

An eight-year-old child heard her parents talking about her little brother. All she knew was that he was very sick and they had no money. Only a very expensive operation(手术) could save him now and there was no one to lend them the money.

　　When she heard her daddy say to her tearful mother， “Only a miracle(something couldn’t happen) can save him now，” the little girl went to her bedroom and pulled her money from its hiding place and counted it carefully.

　　She hurried to a drugstore(药店)with the money in her hand.

　　“And what do you want？” asked the salesman. “ It's for my little brother，” the girl answered. “He's really，really sick and I want to buy a miracle. ”

　　"Pardon？”said the salesman.

　　“My brother Andrew has something bad growing in-side his head and my daddy says only a miracle can save him. So how much does a miracle cost？”“We don't sell a miracle here，child. I'm sorry，”the salesman said with a smile.

　　“Listen，if it isn't enough，I can try and get some more. Just tell me how much it costs. ”

　　A well-dressed man heard it and asked， “What kind of a miracle does your brother need？”　　“I don't know，” she answered with her eyes full of tears. “He's really sick and mum says he needs an operation. But my daddy can't pay for it， so I have brought all my money. ”

　　“How much do you have？” asked the man. “$ 1.11， but I can try and get some more，” she answered.

　　“Well, what luck，”smiled the man. “$ 1.11， the price of a miracle for little brothers. ”

　　He took up the girl's hand and said， “Take me to where you live. I want to see your brother and meet your parents. Let's see if I have the kind of miracle you need. ”

That well-dressed man was Dr. Carlton Armstrong, a famous doctor. The operation was successful and it wasn't long before Andrew was home again.

　　How much did the miracle cost？

1.What was the trouble in the little girl's family？

A. Her brother was seriously ill.

B. They had no money.

C. Nothing could save her brother.

D. Both A and B.

2.In the eye of the little girl,a miracle might be _______.

A．something interesting

B．something beautiful

C．some wonderful medicine

D．some good food

3.What made the miracle happen？

A．The girl's love for her brother.

B．The girl's money.

C．The medicine from the drugstore.

D．Nobody can tell.

4.From the passage we can infer(推断) that _______.

A．The doctor didn't ask for any pay

B．A miracle is sure to happen if you keep on

C．The little girl is lovely but not so clever

D．Andrew was in fact not so sick as they had thought