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.
【小题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 |
| 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 |
| 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 |
| 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. |
【小题1】D
【小题2】C
【小题3】A
【小题4】C
解析试题分析：这篇文章主要讲了科学家研究一种可以让人忘记不好经历的药片，对于这种药片的影响存在着争议。
【小题1】推断题：根据The research has caused a great deal of argument. Some think it is a bad idea, While others support it. 可知这篇文章主要是关于科学家研究一种药片，存在着争议，故选D。
【小题2】细节题：根据The drug stops the body releasing chemicals that fix memories in the brain.可知这种药物可以阻止身体产生一定的化学物质，故选C。
【小题3】细节题：根据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. 我们可以推断出人们质疑这种药物的影响，故选A。
【小题4】细节题：根据"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.可知Rebecca Dresser同意经历坏的事情，使得我们和其他人不同，故选C。
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提分百分百检测卷系列答案科目：高中英语 来源： 题型：阅读理解
Most mornings, the line begins to form at dawn: scores of silent women with babies on their backs, buckets balanced on their heads, and in each hand a bright-blue plastic jug. On good days, they will wait less than an hour before a water tanker goes across the dirt path that serves as a road in Kesum Purbahari, a slum on the southern edge of New Delhi. On bad days, when there is no electricity for the pumps, the tankers don’t come at all. “That water kills people,” a young mother named Shoba said one recent Saturday morning, pointing to a row of pails filled with thick, caramel (焦糖)-colored liquid. “Whoever drinks it will die.” The water was from a pipe shared by thousands of people in the poor neibourhood. Women often use it to wash clothes and bathe their children, but nobody is desperate enough to drink it.
There is no standard for how much water a person needs each day, but experts usually put the minimum at fifty litres. The government of India promises (but rarely provides) forty. Most people drink two or three litres—less than it takes to wash a toilet. The rest is typically used for cooking and bathing. Americans consume between four hundred and six hundred litres of water each day, more than any other people on earth. Most Europeans use less than half that. The women of Kesum Purbahari each hoped to drag away a hundred litres that day—two or three buckets’ worth. Shoba has a husband and five children, and that much water doesn’t go far in a family of seven, particularly when the temperature reaches a hundred and ten degrees before noon. She often makes up the difference with bottled water, which costs more than water delivered any other way. Sometimes she just buys milk; it’s cheaper. Like the poorest people everywhere, the people of New Delhi’s slums spend a far greater percentage of their incomes on water than anyone lucky enough to live in a house connected to a system of pipes.
【小题1】The underlined word “slum” most likely means ______.
| A．a village |
| B．a small town |
| C．the part of a town that lacks water badly |
| D．an area of a town with badly-built, over-crowded buildings |
| A．there is no electricity | B．the weather is bad |
| C．there is no water | D．people don’t want the dirty water |
| A．forty | B．four hundred | C．a hundred | D．fifty |
| A．how India government manages to solve the problem of water gets their water |
| B．how women in Kesum Purbahari |
| C．how much water a day a person deeds |
| D．that India lacks water badly |
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科目：高中英语 来源： 题型：阅读理解
“Here is the Eight O’ Clock News.”
“Chinese people spent about 120 billion yuan during the first three days of the May Golden Week last year. This year it has increased to 140 billion yuan.”
“The children of Beijing No.2 Middle School sang with students from Toronto in Canada to celebrate the 20thanniversary. They had been sister schools since 1986. They spent about two weeks together in Beijing. They visited the Great Wall and the Summer Palace. They took a lot of photos in Beihai Park.”
“Have you ever got tired of heavy shopping bags? A new shopping assistant robot which was invented by Japanese company could be the answer. The helpful robot can follow you around and carry several bags. The robot was tested at a shopping center in February 2006. ”
“About 500 people from different countries were in the 2006 “Rock Paper Scissors(剪刀)” World Match in Canada. This event was founded in 1842. It is said playing this game is fun, and also a good way to solve problems among people.”
“And now it’s time for Morning Music.”
【小题1】The students from Canada and Beijing No. 2 Middle School didn’t ________.
| A．take photos | B．visit places of interest |
| C．sing songs | D．have a football match |
| A．260,000,000,000 | B．120,000,000,000 |
| C．140,000,000,000 | D．20,000,000,000 |
| A．The robot can help with shopping bags. |
| B．A Japanese company invented the robot. |
| C．The robot was tested at a shopping centre. |
| D．There are such robots in people’s homes now. |
| A．birthday | B．yearly return of the date of an event |
| C．university | D．the new beginning of something important |
| A．Rock Paper Scissors | B．May Golden Week |
| C．Shopping assistant robot | D．A visit to the school |
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科目：高中英语 来源： 题型：阅读理解
When scientists accidentally killed what turned out to be the world’s oldest living creature, it was bad enough. Now, their mistake has been worsened after further research found it was even older – at 507 years.
The ocean quahog, a type of deep-sea clam, was dredged (捕捞) alive from the bottom of the North Atlantic near Iceland in 2006 by researchers. They then put it in a fridge-freezer, as is normal practice, unaware of its age. It was only when it was taken to a laboratory that scientists from Bangor University studied it and concluded it was 400 years old.
The discovery made it into the Guinness Book of World Records. However, by this time, it was too late for Ming the Mollusc(软体动物), named after the Chinese dynasty when its life began. Unfortunately researchers who calculated Ming’s age killed it instantly by opening its shell.
The researchers opened the ancient clam up to judge its age by counting growth rings inside. But the rings were so close together that scientists ended up having to count the rings on the outside to be accurate, leading CBS journalists to point out that if scientists had just started there, Ming could have lived on. Now, after examining the quahog more closely, using more advanced methods, the researchers have found the animal was actually 100 years older than they first thought.
Dr Paul Butler, from the University’s School of Ocean Sciences, said: “We got it wrong the first time and maybe we were a bit hasty publishing our findings back then. But we are absolutely certain that we’ve got the right age now.” The mollusc was born in 1499 – just seven years after Columbus discovered America and before Henry VIII had even married his first wife, Catherine of Aragon in 1509.
A quahog’s shell grows by a layer every year, in the summer when the water is warmer and food is plentiful. It means that when its shell is cut in half, scientists can count the lines in a similar way that trees can be dated by rings in their trunks.
Jan Heinemeier, associate professor at the University of Denmark, who helped date Ming, told Science Nordic: “The fact that we got our hands on a 507-year-old animal is incredibly fascinating, but the really exciting thing is of course everything we can learn from studying the mollusk.”
【小题1】At first, the scientists found that _____________.
| A．The ocean quahog got a deadly disease |
| B．The growth rings inside were so close together |
| C．it was accurate to count the growth rings outside |
| D．The ocean quahog was 400 years old |
| A．To count the growth rings outside of the clam. |
| B．To study how old the clam was. |
| C．To see the structure of it. |
| D．To give an immediate operation on it. |
| A．How to calculate the age of a tree |
| B．Why a quahog’s shell grows by a layer each year |
| C．How to calculate the age of a quahog |
| D．Why a quahog likes it when the water is warmer |
| A．The researchers have got the right age of the ocean quahog. |
| B．The mollusc was born after Columbus discovered America. |
| C．The ocean quahog was named after the Chinese dynasty. |
| D．A quahog’s shell grows by a layer every season. |
| A．A magazine of marine life. | B．A travel brochure. |
| C．A biography. | D．A science fiction. |
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科目：高中英语 来源： 题型：阅读理解
In the early hours of March 8, a Boeing 777 took off from Kuala Lumpur, Malaysia. Its destination was Beijing. But for unknown reasons, it never arrived there.
There were 239 people on the Malaysia Airlines flight, including 154 Chinese. As of March 13, 12 different countries, including Malaysia, China, Vietnam and the US, were searching for the plane.
The disappearance is an “aviation (航空) mystery”, Azharuddin Abdul Rahman, the head of Malaysia’s Civil Aviation Authority, said on March 10.There was no clear sign of a crash by March 13.
Between 1-2 hours after takeoff, the plane suddenly lost contact with people on the ground. The weather was clear, and the pilots didn’t make any calls . No evidence was found in the area where the flight last made contact. People are also talking about a possible hijacking (劫机).
International police agency Interpol confirmed on March 9 that at least two passengers on the flight had used stolen passports to get on board. “We are looking at all possibilities,” said Malaysian Transport Minister Hishamuddin Hussein. The incident is now being called simply a “plane disappearance”.
So, what are some possible causes of a plane disappearance? An AP story provided a summary.
1. A failure of the plane’s body or its engines. However, even if both engines stopped working, the plane could still glide (滑翔) for up to 20 minutes, giving pilots time to make an emergency call.
2. Bad weather. Planes are designed to fly through most severe storms. However, in June 2009, an Air France flight from Rio de Janeiro to Paris crashed during a bad storm over the Atlantic Ocean.
3. A bomb. Throughout history, several planes have been brought down by bombs.
4. An accidental shoot-down by some country’s military. In July 1988, the US Navy accidentally shot down an Iran Air flight. In September 1983, a Korean Air Lines flight was shot down by a Russian fighter jet.
No matter how unlikely a situation, it’s too early to determine what really happened to MH370. It could take months, if not years, to rule out any possibilities, say experts..
【小题1】How many cities are mentioned in this passage?
| A．Four cities. | B．five cities. | C．Six cities. | D．Seven cities. |
| A．cross out | B．get rid of | C．take out | D．take the place of |
| A．An Air Crash | B．The Causes of the Disappearance |
| C．The Disappearance of MH 370 | D．An Aviation Mystery |
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科目：高中英语 来源： 题型：阅读理解
A Smashing tradition: MIT Students Drop Piano
One of the highlights of the school year at the Massachusetts Institute of Technology only lasts a few seconds but has a big influence. Residents of an MIT dormitory dropped an upright piano from their roof on 26th April to celebrate the last day students can drop classes without having them appear on their college report.
About 200 onlookers watched as the piano crashed into a second piano, a baby grand, positioned on the ground six stories below for a better smash. People scrambled (争先恐后) for souvenir pieces-keys, hammers, strings and splinters. The tradition began in 1972 at the Baker House dormitory and has been observed irregularly until 2006 when it became an annual event.
Crafton Family Comes Back Home after 7 Years at Sea
While most of us will love to go on a vacation for a week or two on a small private sailboat, without doubt, spending seven precious years on sea is something most of us will never imagine or dare to do. However, that is what an American family has done. Tom Crafton and Kathy Crafton along with their three children have traveled across the world on their 43-foot sailboat named Nueva Vida. Over the past seven years the family had sailed 30,000 miles and visited more than 20 different countries. The family has recently come back to their homeland.
_____________________________________________
Living in the limelight（聚光灯）can be difficult but as these splendid pictures show for one bear the tourist train never stops. This arctic animal loves nothing more than an audience and will even climb out of his snowy bed to give the crowd a wave. The funny poses(姿态) of the friendly polar bear were caught on camera by Swedish photographer, Hams Strand.
【小题1】Which of the following is true about the first incident?
| A．The typical style of celebration has been kept alive every year since1972. |
| B．Another small piano on the ground is meant to hold the falling one. |
| C．The students dropped the piano in celebration of their graduation. |
| D．The tradition became an annual event for MIT students several years ago. |
| A．unusual | B．strange | C．common | D．doubtful |
| A．The Limelight Makes Polar Bear Live Hard |
| B．Splendid Pictures of Polar Bear Attract Tourists |
| C．The Tourist Train Would Stop without Polar Bear |
| D．Polar Bear Says Hello to Tourists with a Friendly Wave |
| A．a novel | B．a magazine | C．a diary | D．a report |
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科目：高中英语 来源： 题型：阅读理解
The increase in tuition fees has led to a “clear drop” in the number of English students applying for university places this autumn. There are 15,000 “missing” applicants（申请人） this academic year, according to the Independent Commission on Fees. Chairman Will Hutton said: “We’re asking our young men and women to have more debt than any other country in the world — it’s higher than the average debt in the US. It’s not clear whether those lost students this year will return next year, or if it’s a storm warming of a worrying trend.”
But the commission’s report says there does not seem to be an impact on poorer communities. The commission found there was no significant change in the application rate to the key universities, such as Oxford or Cambridge. The decline（下降） in England has not been mirrored（再现） in other parts of the UK where fees have not been raised, and the drop can only partly be explained by falling numbers of young people in the population. Students from Scotland attending Scottish universities do not pay fees, while the Welsh Assembly says it will pay fees above ￡3,465 for Welsh students attending UK institutions.
The average tuition fee at English universities this year is ￡ 8,385, rising to ￡ 8,507 next year. UK and EU students have access to government-backed loans to pay the fees. And the survey of 1,000 pupils aged 15-18, carried out this April, found that the majority expected to go on to higher education as people continue to understand that university remains a good long term investment（投资） in their future.
A spokeswoman at the Department for Business, Innovation and Skills which is responsible for universities, said: “Students shouldn’t be forced to put off going to university for financial reasons. Most students will not have to pay in advance, and no one will have to start paying back their student loan until they start to earn at least ￡ 2l,000 per year.”
【小题1】From the first paragraph, we know that .
| A．the rising tuition fees have a great effect on English students |
| B．many English students are missing the final examinations |
| C．the lost English students will find their way back |
| D．it’s a trend that English students are dropping out of school |
| A．Because the students live in poor communities. |
| B．Because education is free for Scottish students. |
| C．Because there are less young students in the area. |
| D．Because Welsh students will pay fees above￡3,465. |
| A．They will stop applying for university places this autumn. |
| B．They feel universities takes up too much time. |
| C．They are anxious to go to a key university. |
| D．Most of them are willing to go to university. |
| A．put off going to university |
| B．pay for the fees in advance |
| C．reduce the anxiety about the rising fees |
| D．pay back their loan soon aller graduation |
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科目：高中英语 来源： 题型：阅读理解
Regardless of their family background, the children’s reactions to new environments have struck the public.
In one episode of Dad! , the five-year-old daughter of former Olympic diving champion Tian Liang cries and hides behind her father when they arrive at a rural village. In an episode of the other series, a young girl in Tianjin breaks down into a tearful fit after being asked by her father to go out alone to buy eggs and a pancake.
In the eyes of some observers, these kids show no sense of independence, and the reason is put down to parents who are overly sheltering. But television viewers and parents were heartened when the sobbing Tianjin girl finally wiped away her tears as she returned holding the pancake. In the case of Tian’s daughter, she eventually began to take care of her younger companions and learned to seek help from people she didn’t know.
The father of the Tianjin girl felt “delightfully shocked” and said. “She used to have to be accompanied by her mother or grandmother. Now she has the courage to do it all by herself. ”
The shows have led many parents to change how they raise their children. Shanghai mother Liang Jing said she would try to “give some training” to her shy son, asking him to tidy up his toys. Lin Yi, a parenting expert in Beijing, said giving kids a chance to do things for themselves helps to raise their sense of achievement, which carries benefits throughout their lives. ”
【小题1】What attracts the audience’s eyes in the programs?
| A．What the kids’ family background is like. |
| B．Where children’s real comfort zone is. |
| C．How children react to new environments. |
| D．Why those children are independent. |
| A．Go out to buy something alone. |
| B．Hide in a safe place to avoid a danger. |
| C．Make friends with strange adults. |
| D．Live in a rural village with her father. |
| A．father is more important than mother in a family |
| B．children deserve a chance to be independent |
| C．parents should provide a safe environment |
| D．the children are as fragile as parents expected |
| A．protecting good traditions | B．the social safety |
| C．approaches to parenting | D．the influence of TV programmes |
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科目：高中英语 来源： 题型：阅读理解
A father with Parkinson's disease was arrested as he watched the Olympic cycling road race because he failed to smile or look as if he was enjoying himself.
Mark Worsfold, a martial arts trainer and former soldier, claims that he was thrown to the floor and handcuffed just as cyclists passed by. His worried wife Nicola only found out he was being held after she reported him missing when he did not turn up for their daughter's ninth birthday party. The 54yearold man had his fingerprints, DNA and mugshot taken before being questioned about why he did not appear to be enjoying the event on July 28. Police said Mr. Worsfold, who was held for over five hours, was arrested because of his manner，his state of dress and his being too near to the course. A spokesman added that the arrest was necessary to avoid a breach(破坏) of the peace because he was standing near a group of protesters(抗议者)．
But Mr. Worsfold, who was diagnosed with Parkinson's disease in 2010, said that one of the symptoms of the disease is muscle rigidity, which can cause his face to become expressionless. “I was sitting minding my own business”， he told a local newspaper. “Before I knew anything the police grabbed me off this sevenfoot wall, threw me to the floor and handcuffed me, so all I saw of the cycle race was between the feet of people from the pavement. It could have been done better. I was arrested for not smiling. I have Parkinson's disease.”
Mr. Worsfold has since asked for a letter of not being guilty from police. The officers who made the arrest have apologized to him.
【小题1】Which word can be used to replace the underlined word “mugshot” in the second paragraph?
| A．Clothes. | B．Photos. | C．Measures. | D．Tools. |
| A．Worsfold's wife was immediately informed of his being arrested by the police. |
| B．Worsfold was arrested because he was extremely dangerous. |
| C．Worsfold enjoyed the cycle race though he saw it between the feet of people from the pavement. |
| D．Worsfold was arrested because of his clothes as well as his facial expression. |
| A．The officers must have been punished for Worsfold's arrest. |
| B．Worsfold has an expressionless face and probably looks strong. |
| C．The officers apologized to Worsfold after one day's arrest. |
| D．Worsfold was diagnosed with Parkinson's disease four years ago. |
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