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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 psychiatryat 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
53．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
54．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 t he emotional effects of memories
55．We can infer from the passage that .
A．people doubt t he 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
56．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.
What will city life be like in the future? Some people think that life in the cities is going to be horrible. They say that cities will become more and more crowded. As the number of people increases, there will be less space for each person. This overcrowding will cause other problems — more crime, dirtier streets , and worse problems with traffic than we have now. How will people find enough drinking water, energy (such as gas and electricity ), and housing? Because life will be hard, people who live in cities will worry more, and they may become sick. For these reasons, some say that nobody will want to live in city areas.
How can we deal with such problems as overcrowding, crime, and traffic? In some cities, thousands of people are already sleeping in the streets because there is little suitable housing — and because houses are too expensive. The crime rate isn’t going down. Instead, it is increasing so fast that many people are afraid to go out at night. Traffic is also getting worse. More and more often, traffic jams are so bad that cars don’t move at all for several streets. These problems have been getting worse, not better, so many people see no hope for the future of the city.
Los Angeles, California, for example, has no subway system and buses are slow. Instead, many commuters (乘、开车上班族) drive many miles from their homes to work. Many of these drivers spend several hours each day on busy freeways. New York, however, has a big transit system — buses, commuter trains, and subways. Because the public transportation is crowded and dirty, many people drive private cars, and the traffic jams are worse than that in Los Angeles. A taxi driver complains, “I was driving home, but in forty-five minutes I moved only two miles! Finally, I turned off the engine and just sat there. A lot of people left their cars where they were in the middle of the street and went into a bar for a few beers!”
On the other hand, some cities have clean, fast and pleasant public transportation systems. In Paris, France, and Toronto, Canada, for example, anyone can use buses or subways to move quickly from one part of the city to another.What do some people think is the main problem of the future city like?
| A．Poor housing. | B．Overcrowding. |
| C．Environmental pollution. | D．Traffic jams. |
The best way to work out the traffic problem in Los Angels might be _________________.
| A．cutting down the number of private cars |
| B．providing more buses in the freeway |
| C．building a subway system |
| D．persuading people to live nearer to their workplaces |
Which of the following sentences is NOT TRUE?
| A．Thousands of people are already sleeping in the streets. |
| B．The crime rate isn’t going down. |
| C．The traffic jams are so bad that cars don’t move at all for several streets. |
| D．Many people have a positive attitude towards the future of the city. |
It was the summer of 1965. DeLuca, then 17, visited Peter Buck, a family friend. Buck asked Deluca about his plans for the future. “I’m going to college, but I need a way to pay for it,” Deluca recalls saying. “Buck said, ‘you should open a sandwich shop.’ ”
That afternoon, they agreed to be partners. And they set a goal: to open 32 stores in ten years. After doing some research, Buck wrote a check for $ 1,000. DeLuca rented a storefront (店面) in Connecticut, and when they couldn’t cover their start-up costs, Buck kicked in another $1,000.
But business didn’t go smoothly as they expected. DeLuca says, “After six months, we were doing poorly, but we didn’t know how badly, because we didn’t have any financial controls.” All he and Buck knew was that their sales were lower than their costs.
DeLuca was managing the store and going to the University of Bridgeport at the same time. Buck was working at his day job as a nuclear physicist in New York. They’d meet Monday evenings and brainstorm ideas for keeping the business running. “We convinced ourselves to open a second store. We figured we could tell the public, ‘ We are so successful, we are opening a second store.’” And they did — in the spring of 1966. Still, it was a lot of learning by trial and error.
But the partners’ learn-as-you-go approach turned out to be their greatest strength. Every Friday, DeLuca would drive around and hand-deliver the checks to pay their suppliers. “It probably took me two and a half hours and it wasn’t necessary but as a result, the suppliers got to know me very well, and the personal relationships established really helped out,” DeLuca says.
And having a goal was also important. “There are so many problems that can get you down. You just have to keep working toward your goal,” DeLuca adds.
DeLuca ended up founding Subway Sandwich, the multi-million-dollar restaurant chain.Deluca opened the first sandwich shop in order to _________________________.
| A．support his family | B．pay for his college education |
| C．help his partner expand business | D．do some research |
Which of the following is true of Buck?
| A．He put money into the sandwich business. |
| B．He was a professor of business administration (管理). |
| C．He was studying at the University of Bridgeport. |
| D．He rented a storefront for DeLuca. |
What can we learn about their first shop?
| A．It stood at an unfavorable place. |
| B．It lowered the prices to promote sales. |
| C．It made no profits due to poor management. |
| D．It lacked control over the quality of sandwiches. |
They decided to open a second store because they ______________________.
| A．had enough money to do it |
| B．had succeeded in their business |
| C．wished to meet the increasing demand of customers |
| D．wanted to make believe that they were successful |
What contributes most to their success according to the author?
| A．Learning by trial and error. | B．Making friends with suppliers. |
| C．Finding a good partner. | D．Opening chain stores. |
We have two daughters: Kristen is seven years old and Kelly is four. Last Sunday evening, we invited some people home for dinner. I dressed them nicely for the party, and told them that their job was to join Mommy in answering the door when the bell rang. Mommy would introduce them to the guests, and then they would take the guests’ coats upstairs and put them on the bed in the second bedroom.
The guests arrived. I introduced my two daughters to each of them. The adults were nice and kind and said how lucky we were to have such good kids.
Each of the guests made a particular fuss over Kelly, the younger one, admiring her dress, her hair and her smile. They said she was a remarkable girl to be carrying coats upstairs at her age.
I thought to myself that we adults usually make a big “to do” over the younger one because she’s the one who seems more easily hurt. We do it with the best of intentions.
But we seldom think of how it might affect the other child. I was a little worried that Kristen would feel she was being outshined. I was about to serve dinner when I realized that she had been missing for twenty minutes. I ran upstairs and found her in the bedroom, crying. I said, “What are you doing, my dear?”
She turned to me with a sad expression and said, “Mommy, why don’t people like me the way they like my sister? Is it because I’m not pretty? Is that why they don’t say nice things about me as much?”
I tried to explain to her, kissing and hugging her to make her feel better.
Now whenever I visit a friend’s home, I make it a point to speak to the elder child first. The underlined expression “make a big ‘to do’ over” (paragraph 4) means ______________.
| A．pay much attention to | B．have a special effect on |
| C．list jobs to be done for | D．do good things for |
We can conclude from the passage that _______________________________.
| A．parents should pay more attention to the elder children |
| B．the younger children are usually more easily hurt |
| C．people usually like the younger children more |
| D．adults should treat children equally |
The guests praised Kelly for carrying coats upstairs because of her __________________.
| A．beautiful hair | B．pretty clothes | C．lovely smile | D．young age |
Kristen felt sad and cried because ________________________.
| A．the guests gave her more coats to carry |
| B．she didn’t look as pretty as Kelly |
| C．the guests praised her sister more than her |
| D．her mother didn’t introduce her |
Honey from the African forest is not only a kind of natural sugar, it is also delicious. Most people and many animals like eating it. However, the only way for them to get that honey is to find a wild bees' nest and take the honey from it. Often, these nests are high up in trees, and it is difficult to find them. In parts of Africa, though, people and animals looking for honey have a strange and unexpected helper - a little bird called a honey guide.
The honey guide does not actually like honey, but it does like the wax in the beehives (蜂房). The little bird cannot reach this wax, which is deep inside the bees' nest. So, when it finds a suitable nest, it looks for someone to help it. The honey guide gives a loud cry that attracts the attention of both passing animals and people. Once it has their attention, it flies through the forest, waiting from time to time for the curious animal or person as it leads them to the nest. When they finally arrive at the nest, the follower reaches in to get at the delicious honey as the bird patiently waits and watches. Some of the honey and the wax always falls to the ground, and this is when the honey guide takes its share.
Scientists do not know why the honey guide likes eating the wax, but it is very determined(坚定的) in its efforts to get it. The birds seem to be able to smell wax from a long distance away. They will quickly arrive whenever a beekeeper is taking honey from his beehives, and will even enter churches when beeswax candles are being lit.Why is it difficult to find a wild bees' nest?
| A．It's small in size. | B．It's hidden in trees. |
| C．It's covered with wax. | D．It's hard to recognize. |
What do the words "the follower" in Paragraph 2 refer to?
| A．A bee. | B．A bird. | C．A honey seeker. | D．A beekeeper. |
The honey guide is special in the way .
| A．it gets its food | B．it goes to church |
| C．it sings in the forest | D．it reaches into bees' nests |
What can be the best title for the text?
| A．Wild Bees | B．Wax and Honey |
| C．Beekeeping in Africa | D．Honey-Lover's Helper |
On a hill 600 feet above the surrounding land, we watch the lines of rain move across the scene, the moon rise over the hills, and the stars appear in the sky. The views invite a long look from a comfortable chair in front of the wooden house.
Every window in our wooden house has a view, and the forest and lakes seldom look the same as the hour before. Each look reminds us where we are.
There is space for our three boys to play outside, to shoot arrows, collect tree seeds, build earth houses and climb trees.
Our kids have learned the names of the trees, and with the names have come familiarity and appreciation. As they tell all who show even a passing interest, maple（枫树）makes the best fighting sticks and white pines are the best climbing trees.
The air is clean and fresh. The water from the well has a pleasant taste, and it is perhaps the healthiest water our kids will ever drink. Though they have one glass a day of juice and the rest is water, they never say anything against that.
The seasons change just outside the door. We watch the maples turn every shade of yellow and red in the fall and note the poplars’（杨树）putting out the first green leaves of spring. The rainbow smelt fills the local steam as the ice gradually disappears, and the wood frogs start to sing in pools after being frozen for the winter. A family of birds rules our skies and flies over the lake.What can be learned from Paragraph 2?
| A．The scenes are colorful and changeable. |
| B．There are many windows in the wooden house. |
| C．The views remind us that we are in a wooden house. |
| D．The lakes outside the windows are quite different in color. |
By mentioning the names of the trees, the author aims to show that .
| A．the kids like playing in trees | B．the kids are very familiar with trees |
| C．the kids have learned much knowledge | D．the kids find trees useful learning tools |
What does the underlined sentence in the last paragraph mean?
| A．The change of seasons is easily felt. |
| B．The seasons make the scenes change. |
| C．The weather often changes in the forest. |
| D．The door is a good position to enjoy changing seasons. |
What is the main purpose of the author writing the text?
| A．To describe the beauty of the scene around the house. |
| B．To introduce her children’s happy life in the forest. |
| C．To show that living in the forest is healthful. |
| D．To share the joy of living in the nature. |