1. Passage Nineteen A 3-year-old boy who was lost in the woods for two days is now safe at home. But Casey Hathaway told his rescuers that he was not alone in the rainy， freezing cold woods. He said he was with a friend——abear. The child went missing on January 22 while playing with friends at his grandmother’s house in the southern state of North Carolina. When the other children returned to the house and Casey did not， the family searched the area for almost an hour before calling the police. Police formed a search and rescue team to look for the young boy in the nearby woods. But two days went by and still——no Casey. The woods of North Carolina are home to many black bears， like this one. It seems one of them helped a little boy while he was lost in the woods. Then on January 24， someone called the police saying they heard a child crying in the woods. Police followed up on the information and found Casey at about 9:30 that night. They pulled him out of some briar (荆棘). He was in good health. Police Officer Chip Hughes said that Casey did not say how he was able to survive in the woods for two days in the cloud， rainy weather， but that “he did say he had a friend in the woods that was a bear that was with him. ” Hundreds of people helped in the search and rescue efforts， including some 600 volunteers， federal police and members of the military. Hughes told reporters that at no point did he think Casey had been kidnapped (绑架). Doctors at Carolina East Medical Center treated Casey for minor injuries. He was then released to his family on January 25 . According to the passage， Casey’s missing is a case of ( ) .

5. Passage Eight Wisdom teeth are normally the last teeth to appear. This usually happens when people are in their late teen years or early twenties—in other words， when they are older and wiser. Wisdom teeth are chewing teeth， at the back of the mouth. They can grow into place normally and never cause a problem. But often there is not enough room for them in the mouth. They might crowd other teeth. Sometimes they even push sideways through the gums (牙床). An impacted wisdom tooth is one that fails to completely rise through the gum—the term is 【erupt】. Wisdom teeth that only partially erupt can leave space for bacteria to enter around the tooth. Infection is a risk in these cases. Wisdom teeth that are not well in place and become impacted are often removed. People should have the placement of their wisdom teeth examined between the ages of sixteen and twenty. X-rays can show wisdom teeth that are below the gums. The American Dental Association says removal is generally advised when wisdom teeth only partly break through the gums. Removal is also advised if there is a chance that poorly placed wisdom teeth will damage other teeth. And removal is called for in cases where fluid collects around a wisdom tooth that is partly or fully below the gum. But why do we have wisdom teeth if we often need to get them removed? One theory has to do with our diets. Scientists say the diet of prehistoric humans probably required more chewing teeth. Life was probably alittle rougher on the teeth back then， too. So it was good to have extras. The American Association of Oral and Maxillofacial (上颌面的) Surgeons says young adults are the best candidates for wisdom teeth removal. The group says older patients may be at greater risk for disease in the tissue surrounding the teeth. After surgery， there can be swelling of the gums and face and some pain. Both can be treated with cold wraps and medication (药物治疗). The problem wisdom teeth should be removed early， because ( ) .

A. older patients will feel more pain

B. older patients may face more serious problems

C. wisdom teeth are easier to be removed at young age

D. young people have stronger resistance to diseases

48. In computer programming, this model is ()to any of the others they have in the department.

A. 　 the most superior

B. 　 superior the most

C. 　 more superior

D. 　 superior

5. Passage Fifteen Big data can be defined as information that is too big or complex to be contained or processed by any one machine or person. As a student at the University of Sussex， Julian Dailly had two majors——English and philosophy. When he completed his studies， Dailly wondered how he would ever earn a living in a world filled with machines and technology. Now， he is part of the big data industry that includes Google and Facebook. Dailly’s research company， Morar Consulting， started three years ago with five employees. The company’s earnings have increased by 25% each year. It now employs 90 people. “What we do here is we try to discover what’s meaningful for people and link that to their economic behavior，” Dailly said. He noted the importance of working with people with different skills. “We have people from traditional research backgrounds， in addition to some in social sciences， economics， people from tech backgrounds， and salespeople，” Dailly said. Companies like Dailly’s employ recent college graduates. The industry profits from the ideas of these young men and women. New forms of data also make it possible for some observers to predict the future. They are more valuable to companies than the traditional forms of data recording or reporting. “We have access to the core information inside people’s heads，” Dailly said， “They tell you what people are going to do as opposed to what they’ve done. That helps people take proper action in advance. This makes it much more useful for strategy.” Julian Dailly dismisses concerns that computers have finally taken control of our daily lives. “Some may worry that humans will be allowed to be replaced by machines. I think it’s a fantasy.” According to Dailly， the idea that humans may be replaced by machines ( ) .

A. is a wise warning

B. is pure imagination

C. may come true

D. needs further study

41. Andrew’s sun-tanned face is a suggestion that he (_____) in excellent health.

A. 　 be

B. 　 is

C. 　 being

D. 　 was

49. It is high time that the international community (_____)_ together to fight against terrorism.

A. 　 Work

B. 　 works

C. 　 worked

D. 　 working

5. Passage Seven A few centuries ago， people looked at the birds and wondered what it would be like to fly like them. There were stories of heroes who glued bird feathers on their arms and flew up into the sky. About 500 years ago， some people dreamed a different dream. Instead of flying up to the sky， they dreamed of falling from the sky! In the 15th century， Italian inventors designed a cone-shaped (雏形) device that was supposed to bring a man down safely from a great height. The operator held on to a handle with straps strapped to his waist. This was the first known design for a parachute (降落伞) . Even the great inventor Leonardo da Vinci sketched a type of parachute. His parachute design was in the shape of a pyramid (金字塔). Other inventors also sketched their own designs for a parachute. Unfortunately， these were only designs on paper and no one tested them . A Croatian inventor named Fausto Veranzio looked at Leonardo da Vinci’s parachute design and replaced the pyramid shape with one that looked like a sail from a ship. When Veranzio was 65 years old， he fell ill. Thinking he would not live longer， he decided to try out his parachute invention. He built his parachute using wood and cloth. Strapping his invention to his waist， he jumped off the tall bell tower in his city. He landed safely! He was supposedly the first man to successfully use a parachute. However， some people thought this story was not true. If that was the case， then the first person to successfully use a parachute would go to a Frenchman named Louis-Sebastien Lenormand in 1783 .The passage is mainly about ( ) .

A. the origin of the parachute

B. the dreams of flying and falling

C. the courage of dropping from the sky

D. the application of parachute invention

1. Passage Fifteen Big data can be defined as information that is too big or complex to be contained or processed by any one machine or person. As a student at the University of Sussex， Julian Dailly had two majors——English and philosophy. When he completed his studies， Dailly wondered how he would ever earn a living in a world filled with machines and technology. Now， he is part of the big data industry that includes Google and Facebook. Dailly’s research company， Morar Consulting， started three years ago with five employees. The company’s earnings have increased by 25% each year. It now employs 90 people. “What we do here is we try to discover what’s meaningful for people and link that to their economic behavior，” Dailly said. He noted the importance of working with people with different skills. “We have people from traditional research backgrounds， in addition to some in social sciences， economics， people from tech backgrounds， and salespeople，” Dailly said. Companies like Dailly’s employ recent college graduates. The industry profits from the ideas of these young men and women. New forms of data also make it possible for some observers to predict the future. They are more valuable to companies than the traditional forms of data recording or reporting. “We have access to the core information inside people’s heads，” Dailly said， “They tell you what people are going to do as opposed to what they’ve done. That helps people take proper action in advance. This makes it much more useful for strategy.” Julian Dailly dismisses concerns that computers have finally taken control of our daily lives. “Some may worry that humans will be allowed to be replaced by machines. I think it’s a fantasy.” Dailly has an education background of ( ) .

A. engineering

B. arts

C. sciences

D. business

3. Passage Thirteen Trees are useful to man in three important ways: they provide him with wood and other products; they give him shade; and they help to prevent droughts and floods. Unfortunately， in many parts of the world， man has not realized that the third of these services is the most important. In his eagerness to make money from trees， he has cut them down in large numbers， only to find that without them he has lost the best friends he had. And besides， he is usually too careless to plant and look after new trees. So the forests slowly disappear. This does not only mean that man will have fewer trees. The results are even more serious: for where there are trees， their roots break up soil——allowing the rain to sink in——and also bind the soil， thus preventing it from being washed away easily; but where there are no trees， the rain falls on hard ground and flows away， causing floods and carrying away the rich top-soil. When all the top-soil is gone， nothing remains but worthless desert. Two thousand years ago a rich and powerful country cut down its trees to build warships， with which to gain itself an empire. It set up the empire but， without its trees， its soil became poor and it grew weak. When the empire fell to pieces， the home country found itself faced with floods and starvation.Why did the country mentioned in the passage suffer from floods and starvation?

A. Because an empire was set up.

B. Because the empire fell to pieces.

C. Because it lost its trees.

D. Because too much had been spent on wars.

37. The firm’s promise to increase our pay was a concession (_____)_union demands.

A. 　 against

B. 　 for

C. 　 upon

D. 　 to

1. Passage Twenty-Eight On November 19， 1863， Abraham Lincoln went to Gettysburg in Pennsylvania to speak at the National Soldiers Cemetery. The Civil War was still going on. There was much criticism of President Lincoln at the time. He was not at all popular. He had been invited to speak at Gettysburg only out of politeness. The principal speaker was to be Edward Everett， a famous statesman and speaker of the day. Everett was a handsome man and very popular everywhere. It is said that Lincoln prepared his speech on the train while going to Gettysburg. Late that night， alone in his hotel room and tired out， he again worked briefly on the speech. The next day Everett spoke first. He spoke for an hour and 57 minutes. His speech was a perfect example of the rich oratory of the day. Then Lincoln rose. The crowd of 15，000 people at first paid little attention to him. He spoke for only nine minutes. At the end there was little applause. Lincoln turned to a friend and remarked， “I have failed again.” On the train back to Washington， he said sadly， “That speech was a flat failure， and the people are disappointed” . Some newspapers at first criticized the speech， but little by little as people read the speech， they began to understand better. They began to appreciate its simplicity and its deep meaning. It was a speech which only Abraham Lincoln could have made. Today， every American school child learns Lincoln’s Gettysburg Address by heart. Now everyone thinks of it as one of the greatest speeches ever given in American history. In 1863， Abraham Lincoln was ( ) .

A. very critical

B. unpopular

C. very popular

D. very courteous