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     NOT all memories are sweet. Some people spend all their lives trying to forget bad experiences.
Violence and traffic accidents can leave people with terrible physical and emotional scars. Often they
relive these experiences in nightmares.
     Now American researchers think they are close to developing a pill, which will help people forget bad memories. The pill is designed to be taken immediately after a frightening experience. They hope it might
reduce, or possibly erase(抹去), the effect of painful memories.
     In November, experts tested a drug on people in the US and France. The drug stops the body
releasing chemicals that fix memories in the brain. So far the research has suggested that only the emotional effects of memories may be reduced, not that the memories are erased.
     The research has caused a great deal of argument. Some think it is a bad idea, while others support it.
     Supporters say it could lead to pills that prevent or treat soldiers' troubling memories after war. They
say that there are many people who suffer from terrible memories.
     "Some memories can ruin people's lives. They come back to you when you don't want to have them in a daydream or nightmare. They usually come with very painful emotions," said Roger Pitman, a professor
of psychiatry at Harvard Medical School. "This could relieve a lot of that suffering."
     But those who are against the research say that changing memories is very dangerous because
memories give us our identity(特质).They also help us all avoid the mistakes of the past.
     "All of us can think of bad events in our lives that were horrible at the time but make us who we are, I'm not sure we want to wipe those memories out," said Rebecca Dresser, a medical ethicist.
1.  The passage is mainly about _____________.
A. a new medical invention          
B. a new research on the pill
C. a way of erasing painful memories  
D. an argument about the research on the pill
2.  The drug tested on people can ______________.
A. cause the brain to fix memories  
B. stop people remembering bad experiences
C. prevent body producing certain chemicals  
D. erase the emotional effects of memories

3.  We can infer from the passage that ____________.

A. people doubt the effects of the pills
B. the pill will stop people's bad experiences
C. taking the pill will do harm to people's health
D. the pill has probably been produced in America
4.  Which of the following does Rebecca Dresser agree with?
A. Some memories can ruin people's lives
B. People want to get rid of bad memories
C. Experiencing bad events makes us different from others
D. The pill will reduce people's sufferings from bad memories
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阅读理解
       Not long ago,people thought babies were not able to learn things until they were five or six months
old.Yet doctors in  the United States say babies begin learning on their first day of life.
       Scientists note that babies are strongly influenced by their environment.They say a baby will smile if
her mother does something the baby likes.A baby learns to get the best care possible by smiling to please
her mother or other caregivers.This is how babies learn to connect and communicate with other human
beings.
     One study shows that babies can learn before they are born.The researchers placed a tape recorder
on the stomach of a pregnant woman.Then,they played a recording of a short story.On the day the baby
wasborn,the researchers attempted to find if he knew the sounds of the story repeated while in his mother.They did this by placing a device in the mouth of the newborn baby.
      The baby would hear the story if he moved his mouth one way.If the baby moved his mouth the other way,he would hear a different story.The researchers say the baby clearly liked the story he heard before he was born.They say the baby would move his mouth so he could hear the story again and again.
      Another study shows how mothers can strongly influence social development and language skills in
their children.
      Researchers studied the children from the age of one month to three years.The researchers attempted
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development when they were three years old.Also,the researchers observed the women for signs of
depression.
      The children of depressed women did not do as well in tests as the children of women who did not
suffer from depression.The children of depressed women did poorly in tests of language skills and
understanding what they hear.
       These children also were less cooperative and had more problems dealing with other people.The
researchers noted that the sensitivity of the mothers was important to the intelligence development of their
children.Children did better when their mothers were caring,even when they suffered from depression.

1.According to the passage,which of the following is NOT the factor that influences the intelligence
     development in babies?
A.The environment. 
B.Mother's sensitivity
C.Their peers (同龄人). 
D.Education before birth.

2.What is the purpose of the experiment in which newborn babies heard the stories?

A.To prove that babies can learn before they are born.
B.To prove that babies can learn on the first day they are born.
C.To show mothers can strongly influence the intelligence developent in their babies.
D.To indicate early education has a deep effect on the babies' language skills.

3.Which group of children did the worst in tests of language skills?

A.The children of depressed mothers who cared little for their children.
B.The children of women who did not suffer from depression.
C.The children of depressed but caring mothers.
D.Children with high communication abilities.

4.What is the main idea of the passage?
A.Scientific findings about how babies develop before birth.
B.Scientific findings about how the environment has an effect on babies'intelligence.
C.A study shows babies are not able to learn things until they are born or six months old.
D.Scientific findings about how intelligence develops in babies.

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阅读理解
     Not long ago,  people thought babies were not able to learn things until they were five or six months
old.Yet doctors in  the United States say babies begin learning on their first day of life.
     Scientists note that babies are strongly influenced by their environment.They say a baby will smile if her mother does something the baby likes.A baby learns to get the best care possible by smiling to please her mother or other caregivers.This is how babies learn to connect and communicate with other human beings.
     One study shows that babies can learn before they are born.The researchers placed a tape recorder
on the stomach of a pregnant woman.Then,  they played a recording of a short story.On the day the baby was born,  the researchers attempted to find if he knew the sounds of the story repeated while in his
mother.They did this by placing a device in the mouth of the newborn baby.
     The baby would hear the story if he moved his mouth one way.If the baby moved his mouth the other
way,  he would hear a different story.The researchers say the baby clearly liked the story he heard before he was born.They say the baby would move his mouth so he could hear the story again and again.Another study shows how mothers can strongly influence social development and language skills in their children.
     Researchers studied the children from the age of one month to three years.The researchers attempted
to measure the sensitivity of the mothers.The women were considered sensitive if they supported their
children's activites and did not interfere unnecessarily.They tested the children for thinking and language
development when they were three years old.Also,  the researchers observed the women for signs of
depression.
     The children of depressed women did not do as well in tests as the children of women who did not
suffer from depression.The children of depressed women did poorly in tests of language skills and
understanding what they hear.
     These children also were less cooperative and had more problems dealing with other people.The
researchers noted that the sensitivity of the mothers was important to the intelligence development of their
children.Children did better when their mothers were caring,  even when they suffered from depression.
1. According to the passage,  which of the following is NOT the factor that influences the intelligence 
development in babies?
A. The environment.  
B. Mother's sensitivity
C. Their peers (同龄人).  
D. Education before birth.
2. What is the purpose of the experiment in which newborn babies heard the stories?
A. To prove that babies can learn before they are born.
B. To prove that babies can learn on the first day they are born.
C. To show mothers can strongly influence the intelligence developent in their babies.
D. To indicate early education has a deep effect on the babies' language skills.
3. Which group of children did the worst in tests of language skills?
A. The children of depressed mothers who cared little for their children.
B. The children of women who did not suffer from depression.
C. The children of depressed but caring mothers.
D. Children with high communication abilities.
4. What is the main idea of the passage?
A. Scientific findings about how babies develop before birth.
B. Scientific findings about how the environment has an effect on babies'intelligence.
C. A study shows babies are not able to learn things until they are born or six months old.
D. Scientific findings about how intelligence develops in babies.

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阅读理解
     NOT all memories are sweet. Some people spend all their lives trying to forget bad experiences.
Violence and traffic accidents can leave people with terrible physical and emotional scars. Often they
relieve these experiences in nightmares.
     Now American researchers think they are close to developing a pill, which will help people forget
bad memories. The pill is designed to be taken immediately after a frightening experience. They hope
it might reduce ,or possibly erase(抹去),the effect of painful memories.
     In November, experts tested a drug on people in the US and France. The drug stops the body
releasing(释放)chemicals that fix memories in the brain. So far the research has suggested that only the
emotional effects of memories may be reduced, not that the memories are erased.
     The research has caused a great deal of argument. Some think it is a bad idea, While others support
it.
     Supporters say it could lead to pills that prevent or treat soldiers' troubling memories after war. They
say that there are many people who suffer from terrible memories.
     "Some memories can ruin people's lives . They come back to you when you don't want to have them
in a daydream or nightmare. They usually come with very painful emotions," said Roger Pitman, a
professor of psychiatry at Harvard Medical School. "This could relieve a lot of that suffering."
     But those who are against the research say that changing memories is very dangerous because
memories give us our identity (特质). They also help us all avoid the mistakes of the past.
     "All of us can think of bad events in our lives that were horrible at the time but make us who we are.
I'm not sure we want to wipe those memories out, "said Rebecca Dresser, a medical ethicist.

1. The passage is mainly about____________ .

A. a new medical invention              
B. a new research on the pill
C. a way of erasing painful memories    
D. an argument about the research on the pill

2. The drug tested on people can_________________.

A. cause the brain to fix memories
B. stop people remembering bad experiences
C. prevent body producing certain chemicals
D. Wipe out the emotional effects of memories

3. We can infer from the passage that_______________.

A. people doubt the effects of the pills
B. the pill will stop people's bad experiences
C. taking the pill will do harm to people's health
D. the pill has probably been produced in America

4. Which of the following does Rebecca Dresser agree with?

A. Some memories can ruin people's lives.
B. People want to get rid of bad memories.
C. Experiencing bad events makes us different from others.
D. The pill will reduce people's sufferings from bad memories.

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阅读理解
     Not all memories are sweet. Some people spend all their lives trying to forget bad experiences.
Violence and traffic accidents can leave people with terrible physical and emotional scars(伤疤). Often
they relive(在想像中再体验)these experiences.
     Now American researchers think they are close to developing a pill, which help people forget bad
memories. The pill is designed to be taken immediately after a frightening experience. They hope it might
reduce, or possibly erase(抹去)the effect of painful memories.
     In November, experts tested a drug on people in the US and France. The drug stops the body
releasing(发放出)chemicals that fix memories in the brain. So far, the research has suggested that only the emotional effects of memories may be reduced, not that the memories are erased.
     The research has caused a great deal of argument. Some think it is a bad idea, while others support it. Supporters say it could lead to pills that prevent or treat soldiers' troubling memories after wars.
     They say that there are many people who suffer from terrible memories. "Some memories can ruin
people's lives. They come back to you when you don't want to have them in a daydream or nightmare.
They usually come with very painful emotions," said Roger Pitman, a professor of psychiatry(精神病学)at Harvard Medical School,"This could relieve(减轻)a lot of that suffering."
     But those who are against the research say that changing memories is very dangerous because
memories give us our identity. They also help us avoid the mistakes in the past. "All of us can think of bad
events in our lives that were horrible at the time but make us who we are. I am not sure whether we'd want to wipe those memories out." said Rebecca Dresser, a medical ethicist.
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A. the new drug
B. the research into the drug
C. the bad memory
D. the chemical in the drug
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A. Our memories give us our identity.
B. The memories help human avoid mistakes of the past.
C. The drug should be used in only very serious cases.
D. People may not be sure whether they want to wipe the memories out.
3. What's the main idea of this passage?
A. People often suffer from bad memories.
B. American researchers have developed a pill.
C. Forget bad memories, and be happy.
D. Developing pills for helping forget bad memories has caused a heated argument.

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