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“Mobile phone killed my man,” screamed one headline last year.Also came claims that an unpublished study had found that mobile phones could cause memory loss.And a British newspaper devoted its front page to a picture supposedly showing how mobile phones could heat the brain.
For anyone who uses a mobile phone, these are worrying times.But speak to the scientists whose work is the focus of these scares and you hear a different story.
One of the oddest effects comes from the now famous “memory loss” study.Alan Preece and his colleagues at the University of Bristol placed a device that imitated the microwave radiation of mobile phones to the left ear of volunteers.The volunteers were good at recalling words and pictures they had been shown on a computer screen.Preece says he still can’t comment on the effects of using a mobile phone for years on end.But he rules out the suggestion that mobile phones have an immediate effect on our cognitive(认识的)abilities.“I’m pretty sure there is no effect on short-term memory,” he says.
Another expert, Tattersall, remarked that his latest findings have removed fears about memory loss.One result, for instance, suggests that nerve cell synapses(神经元突触) exposed to microwaves become more — rather than less — receptive to undergoing changes linked to memory formation.
An even happier outcome would be that microwaves turned out to be good for you.It sounds crazy, but a couple of years ago a team led by William Adey at the Veterans Affairs Medical Center in California found that mice exposed to microwaves for two hours a day were less likely to develop brain tumours when given a cancer-causing chemical.
“If it doesn’t certainly cause cancer in animals and cells, then it probably isn’t going to cause cancer in humans,” says William.And while there’s still no absolute evidence that mobile phone use does damage your memories or give you cancer, the conclusion is: don’t be afraid.
1.Mobile phone users are worried because ______.
A.they are not sure whether mobile phones can cause memory loss
B.it’s said that mobile phones have a lot of side effects
C.one headline reported “Mobile phone killed my man”
D.a British newspaper showed mobile phones could heat the brain
2.According to this passage, we can know that _____.
A.the mobile phone is a most wonderful invention
B.there’s no need to worry about the radiation from mobile phones
C.something must be done to stop people using mobile phones
D.mobile phone companies shouldn’t cheat customers
3.What would be the best title for this passage? ______.
A.New Mobile Phones.
B.Special Mobile Phones.
C.New Special Investigation: Mobile Phones.
D.New Investigation.
查看习题详情和答案>>As you probably know, J.Paul Getty was one of the richest and moat successful American industrialists in history.Quite ambitious from an early age, Getty made his first million at age 23 in 1916.He later went on to found the Getty oil company, In 1957, Fortune magazine named him the richest living American and in 1966, the Guinness Book of Records named him as the world's richest private citizen.
Although he is highly regarded by vast numbers of people for his financial success, as a younger man, his drive to acquire power and money had a detrimental impact on other aspects of his life, particularly in his relationships with women.He was, at one point quoted assaying "A lasting relationship with a woman is only possible if you are a business failure.” He married five times, having children with four of these wives.He couldn’t seem to keep a marriage going for very long.His obsession with having a fortune and power alienated (疏远) each of his wives, eventually driving them away. His marriage with his first wife Jeanette lasted for only three years, with Allene for two years, Adolphine, four years, Ann, four years, and finally Louise, nineteen years.
Perhaps as a young man, Getty was willing to pay whatever price for financial success.Yet Paul came to feel some regret in regard to his life priorities as he approached his later years when he Wrote: "I hate and regret the failure of my marriages.I would gladly give all of my millions for just one lasting marriage success."
At the end of Getty's life, all of the wealth that he had got meant very little to him.It was only then that he became wise enough to understand what really mattered most.Despite all of his accomplishments, he died with great regret.
It' s a sad story and a cautionary tale for those of us who may have chosen to make career building our highest priority(优先权), thereby ignoring our relationships.Like any other living organism, relationships require care and attention in order to grow.Even the strongest relationships will he damaged, if there is not enough care.
- 1.
What is Paragraph l mainly about?
- A.People' s admiration for J.Paul Getty.
- B.How J.Paul Getty led his life.
- C.J. Paul Getty's achievements.
- D.How J.Paul Getty became rich.
- A.
- 2.
The underlined word "detrimental" in Paragraph 2 is the closest in meaning to "_ ".
- A.harmful
- B.interesting
- C.positive
- D.demanding
- A.
- 3.
J.Paul Getty's marriage that lasted for the longest time was with _ .
- A.Ann
- B.Adolphine
- C.Allene
- D.Louise
- A.
- 4.
At the end of his life, what J.Paul Getty cares about most is the success in .
- A.business
- B.politics
- C.marriage
- D.education
- A.
- 5.
What is the author's conclusion from the passage?
- A.Young people should focus an career - building.
- B.The strongest relationships between people won't be damaged.
- C.We should attend to the needs in relationships.
- D.Successful people don't care about relationships with others.
- A.
“Mobile phone killed my man,” screamed one headline last year. Also came claims that an unpublished study had found that mobile phones could cause memory loss. And a British newspaper devoted its front page to a picture supposedly showing how mobile phones could heat the brain.
For anyone who uses a mobile phone, these are worrying times. But speak to the scientists whose work is the focus of these scares and you hear a different story.
One of the oddest effects comes from the now famous “memory loss” study. Alan Preece and his colleagues at the University of Bristol placed a device that imitated the microwave radiation of mobile phones to the left ear of volunteers. The volunteers were good at recalling words and pictures they had been shown on a computer screen. Preece says he still can’t comment on the effects of using a mobile phone for years on end. But he rules out the suggestion that mobile phones have an immediate effect on our cognitive(认识的)abilities. “I’m pretty sure there is no effect on short-term memory,” he says.
Another expert, Tattersall, remarked that his latest findings have removed fears about memory loss. One result, for instance, suggests that nerve cell synapses(神经元突触) exposed to microwaves become more — rather than less — receptive to undergoing changes linked to memory formation.
An even happier outcome would be that microwaves turned out to be good for you. It sounds crazy, but a couple of years ago a team led by William Adey at the Veterans Affairs Medical Center in California found that mice exposed to microwaves for two hours a day were less likely to develop brain tumours when given a cancer-causing chemical.
“If it doesn’t certainly cause cancer in animals and cells, then it probably isn’t going to cause cancer in humans,” says William. And while there’s still no absolute evidence that mobile phone use does damage your memories or give you cancer, the conclusion is: don’t be afraid.
【小题1】 Mobile phone users are worried because ______.
A.they are not sure whether mobile phones can cause memory loss |
B.it’s said that mobile phones have a lot of side effects |
C.one headline reported “Mobile phone killed my man” |
D.a British newspaper showed mobile phones could heat the brain |
A.the mobile phone is a most wonderful invention |
B.there’s no need to worry about the radiation from mobile phones |
C.something must be done to stop people using mobile phones |
D.mobile phone companies shouldn’t cheat customers |
A.New Mobile Phones. | B.Special Mobile Phones. |
C.New Special Investigation: Mobile Phones. | D.New Investigation. |
|
The cheapest room and board in Jefferson City, Missouri,over the weekend was at the county(县)jail(监狱),and 170 people gladly checked in.Cole County charged$30 a night for anyone who volunteered to go behind bars on Friday or Saturday night SO officials could give the new jail a test run before it opened for real this week.People from three states spent the night at the jail,including some lawyers and a couple celebrating their first anniversary.
“It was something they could experience without having to get a criminal record,”Cole County Sheriff(治安官)Greg White said.“They spent the night and gained all understanding that they would not want to ever do this again.”
Jailers tried to give the citizens the full experience.They were told to give up their jewelry, cell phones,and other personal belongings.They were booked and photographed and led into the jail commons.They could keep their cell doors open,but that trapped feeling was still there because the outer room doors were locked,said Bob Watson,60,a reporter for the Jefferson City News-Tribune who spent Friday night at the jail.“While it was not a true copy of jail,you got some sense of what it's like to hear that door lock behind you,”Watson said.
Two other feelings were boredom and a lack of choice,illustrated by the television being left on one channel and drowned out anyway.by everybody talking.
Bed was a steel bunk with a thin mattress(垫)。Overhead,a 40-watt bulb stayed 1it through the night in each cell.Handy for guards to see inmates,but not helpful to good sleep.How about the food? Dinner Friday night included cheesy pasta with turkey bits and coffee cake.“I wouldn’t pay for it in a restaurant,but you won’t die trying to eat it,”Watson said.
71.The 170 people stayed in the county jail to .
A.make a holiday B.get punishment C.do a research D.make money
72.What’s the main idea of the 3rd paragraph?
A.The jailers performed their duty well. B.The jail’s test run proved successful.
C.The 170 had the feeling of real prisoners.D.The 170 weren’t treated as real prisoners.
73.The underlined phrase“illustrated by…”is used to .
A.introduce a new topic B.draw a conclusion
C.give an example D.show the result
74.The l70 people were able to in the county jail.
A.make phone calls B.sleep well C.go around freely D.chat with others
75.How did Watson like the food?
A.He enjoyed it. B.He didn’t like it.
C.He thought it equaled a restaurant’S.D.He didn’t eat it at all.
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