The dodo is among the most famous extinct creatures, and a poster child for human-caused extinction events. Despite its bad name, and the fact that the species was alive during recorded human history, little is actually known about how this animal lived, looked, and behaved. A new study of the only known complete skeleton(骨架) from a single bird takes advantage of modern 3-D laser scanning(扫描) technology to open a new window into the life of this famous extinct bird.
The study was presented at the 74th Annual Meeting of the Society of Vertebrate Paleontology in Estrel, Berlin. Leon Claessens, Associate Professor at the College of the Holy Cross, and lead researcher on the study said that, "the 3-D laser surface scans we made of the fragile dodo skeletons enable us to reconstruct how the dodo walked, moved and lived to a level of detail that has never been possible before. There are so many outstanding questions about the dodo bird that we can answer with this new knowledge."
A complete dodo skeleton, found by an amateur collector and barber, Etienne Thirioux, on the island of Mauritius between 1899 and 1917, has remained unstudied, even though it is the only complete dodo skeleton from a single individual bird known to exist. All other skeletons are incomplete combinations, meaning that they are gathered from more than one individual. In addition, Thirioux constructed a second, partially combined skeleton, which contains many bones that also belong to a single bird. "Being able to examine the skeleton of a single, individual dodo, which is not made up from as many individual birds as there are bones, as is the case in all those other combined skeletons, truly allows us to appreciate the way the dodo looked and see how tall or fat it really was," said Juilan Hume, of the Natural History Museum UK, a co-author on the study.
The scans were performed on site in Durban, South Africa, and allow examination of the biology of this mysterious extinct bird in detail for the first time. Using the newest digital tools and techniques, the scans provide an insight into how the flightless dodo may have developed its giant size, and how it walked and lived in its forest home. According to Kenneth Rijsdijk, a biologist from University of Amsterdam, “the skull of the dodo is so large and its mouth so strong that it is easy to understand that the earliest naturalists thought it was related to sharks and other birds of prey（猛禽）, rather than the pigeon family.”The underlined phrase “a poster child” in Para. 1 is closest in meaning to “ ”.
| A．a typical example |
| B．an endangered animal |
| C．a child who puts up posters on the board |
| D．a child posted in a newspaper as an advertisement |
The researchers study the dodo skeleton to find out .
| A．ways to save the dodo |
| B．the dodo’s living habits |
| C．the bird’s natural habitat |
| D．the cause of the dodo’s extinction |
What is special about the dodo skeleton found by an amateur collector?
| A．It is gathered from more than one individual. |
| B．It reminded unstudied between 1899 and 1917. |
| C．It is the only complete dodo skeleton from a single individual bird. |
| D．It can be examined with 3-D laser scanning technology. |
What is the purpose of the author in writing this passage?
| A．To call people’s attention to wildlife protection. |
| B．To criticize humans for the extinction events. |
| C．To introduce a new way of studying the dodo. |
| D．To give tips on how to study extinct creatures. |
Once my friend Peterson bought a pack of chicken, the brand of which was very famous at that time. But when he got home he found that the chicken had gone bad. He took the chicken back to the shop and he was paid twice of the price. We may say now he should have been satisfied but my friend would not like to stop. He decided to write a letter to Frank, president of the company, who was also the founder of the chicken brand.
About a week later he received a letter written by the president himself. In the letter he apologized to my friend for it whole –heartedly .There was also a card in the envelope ,with which my friend could get another pack of chicken in any of the shops. In the end my friend was asked to answer some questions.
1. When and where did you buy the chicken?
2. What was the real problem of the chicken?
3. What did the shop ass istant say when you took the chicken back to the shop?
4. W hat do you think is the reason for the chicken to go bad?
5. What do you suggest we should do to get away from such problems?
Two days later, my friend also received a telephone call from the president’s office, asking whether he had received the letter as well as the card and then some other questions. Since then, my friend has always bought chicken of this brand whenever he wants to.What did the friend get when he took the bad chicken back to the shop?
| A．Another pack of chicken. |
| B．Two packs of chicken. |
| C．Double the price. |
| D．A whole-hearted apology. |
What did the author’s friend do when he came back from the shop after he was paid back?
| A．He felt satisfied with the result. |
| B．He wrote a letter to the President of the US. |
| C．He became very angry with the shop assistant. |
| D．He wrote a letter to the president of the company. |
What is the author’s friend’s attitude towards the chicken brand?
| A．He still believes in it. |
| B．He doesn’t believe it at all. |
| C．He will never buy it again. |
| D．He has never been satisfied with it. |
What can we infer from the passage?
| A．The company may still be a top brand now. |
| B．The president of the company is a responsible person. |
| C．The company must have closed down. |
| D．The author may also believe in the chicken brand. |
What does it mean to say that we live in a world of persuasion? It means that we live among competing interests. Your roommate’s need to study for an exam may take priority over pizza. Your instructor may have good reasons not to change your grade. And the object of your romantic/interest may have other choices.
In such a world, persuasion is the art of getting others to give fair and favorable consideration to our points of view. When we persuade, we want to influence how others believe and behave. We may not always prevail — other points of view may be more persuasive, depending on the listener, the situation, and the merit of the case. But when we practice the art of persuasion, we try to ensure that our position receives the attention it deserves.
Some people, however, object to the very idea of persuasion. They may regard it as an unwelcome interruption into their lives. Just the opposite, we believe that persuasion is unavoidable — to live is to persuade. Persuasion may be ethical or unethical, selfless or selfish, inspiring or degrading. Persuaders may enlighten our mind or prey on our vulnerability. Ethical persuasion, however, calls on sound reasoning and is sensitive to the feelings and needs of listeners. Such persuasion can help us apply the wisdom of the past to the decisions we now must make. Therefore, the most basic part of education is learning to resist the one kind of persuasion and to encourage and practice the other.
Beyond its personal importance to us, persuasion is necessary to society. The right to persuade and be persuaded is the bedrock of the American political system, guaranteed by the First Amendment to the Constitution.According to the passage, persuasion means ________.
| A．changing others’ points of view |
| B．exercising power over other people |
| C．getting other people to consider your point of view |
| D．getting people to agree with you and do what you want |
The underlined word in the second paragraph “prevail” means________.
| A．win | B．fail | C．speak | D．listen |
The passage states that some people object to persuasion because they think it is ________.
| A．a danger to society | B．difficult to do well |
| C．unwelcome behavior | D．never successful |
The passage mainly discusses ________.
| A．how people persuade |
| B．why people persuade |
| C．that persuasion is both good and bad |
| D．that persuasion is important and it is all around us |
A new study says one part of the human brain may become smaller as the result of a condition known as jet lag. Jet lag results from flying long distances in an airplane. Jet lag interferes with a person's normal times for sleeping and waking. People with jet lag may feel extremely tired for several days. They also may have problems thinking clearly and remembering.
Kwangwook Cho is a researcher at the University of Bristol in Britain. He reported the findings of his jet lag study in the publication Nature Neuroscience.
The study involved twenty young women who worked for international airlines. The women had served passengers on airplanes for five years. These flight attendants flew across many countries and at least seven time zones. In the study, the flight attendants had different amounts of time to recover from jet lag. Half the women spent five days or fewer in their home areas between long flights. The other half spent more than fourteen days in their home areas.
Mister Cho took some fluid from the women's mouths to measure levels of a hormone that increases during stress. He tested them to see if they could remember where black spots appeared on a computer screen. And he took pictures of their brains using magnetic resonance imaging. This is a way to measure the size of the brain's temporal lobes.
It was found that the women who had less time between flights had smaller right temporal lobes. This area of the brain deals with recognizing and remembering what is seen. The same group performed worse and had slower reaction times on the visual memory test. And their saliva samples showed higher levels of stress hormones.
Mister Cho says he believes the brain needs at least ten days to recover after a long trip. He says airline workers told him their ability to remember got worse after working on planes for about four years. Other studies have shown that increased feelings of stress can cause a loss of cells in the part of the brain that controls memory.
Scientists say more tests are needed to study the effects of jet lag on the brain. They want to find out if too much jet lag could permanently affect memory.According to the text, jet lag _____.
| A．can cause difficulties in speaking |
| B．can make people feel tired for a few weeks |
| C．is the illness only found in people who work on the airplanes |
| D．can be caused by flying over several time zones in an airplane |
It is inferred that more tests need to be done because _____.
| A．the conclusion was questioned by many scientists |
| B．scientists fear that his research is not done properly |
| C．every scientific conclusion needs the support from many tests |
| D．the woman who were studied in the research were not healthy |
What is the subject discussed in the test?
| A．The cause of jet lag. |
| B．A story of a group of flight attendance. |
| C．A research about the effects of jet lag on the brain. |
| D．The importance of having enough rest after long flights. |
The Channel is the name given to the stretch of water which separates England and France. Ferries operate all year round to carry people across the Channel, and they are busy most of the year. January is the only quiet month nowadays. As well as summer holiday-makers, there are day trippers and coach traffic, not to mention lorries and other commercial vehicles. Some ferries carry cars and their passengers, while others also connect train passengers with the Continental rail network.
The biggest hazard for the ferry is the wind. The crew listens to BBC weather reports four times a day. Or they sometimes get gale warnings from local radio station.
Crossing the Channel by ferry is a bit like trying to cross Oxford Street on a busy afternoon, according to one ferryboat captain. The ferries from Folkstone and Dover to Calais and Boulogne have to cross the main flow of traffic. This consists of ships traveling through the Channel to and from Northern Europe. There may be four hundred ships making the journey at any one time, and they all pass through a “choke point” which is only fifteen miles (twenty-five kilometers) wide. The cross-channel ferries have to sail right through the middle of all this traffic.The passage is mainly concerned with _____.
| A．the English Channel |
| B．the weather on the Channel |
| C．cross-channel ferries |
| D．what crossing the Channel by ferry is like |
The word hazard is closest in meaning to ________.
| A．trouble | B．danger | C．enemy | D．problem |
We can infer from the passage that _______.
| A．if there is a gale warning from the BBC, the ferries will stop operating. |
| B．the traffic on the Channel is very busy only in winter |
| C．ferries are busiest in the afternoon |
| D．the crew of the ferry listens to the weather reports four times a day |
Where does this passage most probably appear?
| A．In a dictionary. | B．In a novel. |
| C．In a transportation magazine. | D．In a geography textbook. |
Just before midnight, six University of Cincinnati students were watching TV in an on-campus apartment when three men burst through the door. While one of the intruders pointed a gun at the group, the other two scooped up $4,400 worth of laptops, cell phones, video games and cash. Once they had what they wanted, the trio fled into the night.
Furious, the students chased down and tackled one of the burglars -- the one with the gun. In the struggle, it went off, and a bullet grazed a student's leg. His friends piled on the gunman and held him until police showed up.
By the next day, the injured young man was back in his apartment, and the suspect was in jail, charged with burglary, felonious assault and receiving stolen property. But how did the men manage to storm into an on-campus residence that November night in the first place? Simple: Students told police the building's main doors hadn't latched properly for days.
As parents confront ballooning college costs and shrinking acceptance rates, they are finding themselves with an even bigger, more basic problem: Which campuses are safe? Colleges seem like idyllic and secure places, and for the most part, they are. But ivy-covered walls can't keep out every bad element. This country's 6,000 colleges and universities report some 40,000 burglaries, 3,700 forcible sex offenses, 7,000 aggravated assaults and 48 murders a year. Other hazards -- fires, binge-drinking, mental-health problems -- are also on the rise.
Of course, that's not what parents and students see on America's serene campuses. There's a false sense of security, says Harry Nolan, a safety consultant in New York City. "Students see guards patrolling at night or a video camera monitoring the dorm entrance and think, nothing bad can happen to me," he explains. "People don't know that safety controls are often very lax."What did the students do after the burglars fled into the night?
| A．They stood there in surprise. |
| B．They ran after the burglars at once. |
| C．They waited for the police. |
| D．They phoned their teacher. |
What does the underlined word “latched” in the third paragraph probably mean?
| A．watched | B．fixed | C．locked | D．kept |
What worries parents most except ballooning college costs and shrinking acceptance rates?
| A．Their children’s grades in the universities or colleges. |
| B．Their children’s safety in the universities or colleges. |
| C．Their children’s behavior in the universities or colleges. |
| D．Their children’s relationship with classmates in the universities or colleges. |
Which is right according to the passage?
| A．Their children’s grades in are high. |
| B．Their children’s safety in the universities or colleges will be mornitored well. |
| C．The universities or colleges don’t pay much attention to the children. |
| D．The universities or colleges are not key educational departments in the local area. |