D

Once there lived an old man．He liked gold better than anything else in the world．He often said，“If I have enough gold，I will be the happiest man in the world．”

One day when he was traveling in the desert(沙漠)，the old man lost his way．He was very hungry and thirsty，but there were only rocks and sand around him．Just then，he found a bag lying on the sand．He hoped he would find water and food in it．He took up the bag and opened it．He saw that the bag was full of gold．He was so sad that he threw away the bag and began crying．

Now the old man knew that there was something better than gold in the world．

53．The old man liked        best before he traveled in the desert．

    A．food    B．bags    C．books   D．gold

54．When he lost his way，he wanted to get      ．

    A．some food and water       B．some rocks and sand

    C．bags full of gold          D．a(chǎn) map

55．What did he do with the bag?          ．

    A．He didn't take it up          B．He brought it home

    C．He threw it away            D．He cried

56．The old man didn't become the happiest man when he got the bag of gold because         ．

    A．the bag was too small     B．the gold wasn't his

    C．he was very cold         D．he had nothing to eat．

57．In the end，the old man knew that gold was          in the world．

    A．the best thing        B．not the best thing

    C．the best important    D．better than anything

53---57   D  A  C   D  B

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科目：高中英語 來源： 題型：閱讀理解

Even facts “forgotten” by people during a busy day may be retrieved if this is followed by a good night’s sleep.

Researchers from the University of Chicago asked volunteers to remember simple words．Many found their memories letting them down towards the end of the day, but the following morning, those who had slept well could recall much more.

Researchers, writing in the journal Nature, said the brain could “rescue” lost memories during the night.

When the brain is first asked to remember something that memory is laid down in an “unstable” state, meaning that it is possible that it could be lost．At some point, the brain consolidates those it deems important into a “stable”, more permanent state．However, the Chicago researchers suggested that it was possible for a “stable” memory to be made “unstable” again．This would mean that memories could be modified then filed away again in the face of new experiences.

The 12 volunteers tested in the experiment were played words created through a speech synthesizer which were purposely difficult to understand．Initially, the written version of the word  from the audio version only．Tests revealed that the ability to recall the right word tended to tail off as the day ended.

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Dr Karim Nader, from the Department of Psychology in McGill University in Montreal, said: “Memory research is undergoing a transformation---no longer is memory thought to be a hard-writing of the brain, instead it seems to be a process of storage and restorage.”

Sleep helps some memories “mature” and also prunes out unimportant memories.

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       A．A busy day makes people forget things easily.

       B．People need a good night’s sleep after a busy day.

       C．A good night’s sleep helps memories.

       D．A good night’s sleep helps people forget a busy day.

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       A．When people first remember something, the memory is in an “unstable state”.

       B．The brain will change those important unstable memories into stable.

       C．Once the memory become stable, it will never become unstable again.

       D．Sleep can protect memories from being harmed.

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