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
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1. Passage Twenty-Four Social change is more likely to occur in societies where there is a mixture of different kinds of people than in societies where people are similar in many ways. The simple reason for this is that there are more different ways of looking at things present in the first kind of society. There are more ideas， more disagreements in interest， and more groups and organizations with different beliefs. In addition， there is usually a greater worldly interest and greater tolerance in mixed societies. All these factors tend to promote social change by opening more areas of life to decision. In a society where people are quite similar in many ways， there are fewer occasions for people to see the need or the opportunity for change because everything seems to be the same. And although conditions may not be satisfactory， they are at least customary and undisputed. Within a society， social changes is also likely to occur more frequently and more readily in the material aspects of the culture than in the non-material， for example， in technology rather than in values; in what has been learned later in life rather than what was learned early; in the less basic and less emotional aspects of society than in their opposites; in the simple elements rather than in the complex ones; in form rather than in substance; and in elements that are acceptable to the culture rather than in strange elements. Furthermore， social change is easier if it is gradual. For example， it comes more readily in human relations on a continuous scale rather than one with sharp dichotomies ( 一分为二). This is one reason why change has not come more quickly to Black American as compared to other American minorities， because of the sharp difference in “appearance between them and their white counterparts” . The passage has mainly discussed ( ) .
A. the necessity of social change
B. certain factors that determine the ease with which social changes occur
C. two different societies
D. certain factors that promote social change
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4. Passage Eighteen An idea that started in Seattle’s public library has spread throughout America and beyond. The concept is simple: help to build a sense of community in a city by getting everyone to read the same book at the same time. In addition to encouraging reading as a pursuit (追求) to be enjoyed by all， the program allows strangers to communicate by discussing the book on the bus， as well as promoting reading as an experience to be shared in families and schools. The idea came from Seattle librarian Nancy Pearl who launched the “If All of Seattle Read the Same Book” project in 1998. Her original program used author visits， study guides and book discussion groups to bring people together with a book， but the idea has expanded to many other American cities， and even to Hong Kong. In Chicago， the mayor appeared on television to announce the choice of To Kill a Mockingbird as the first book in the “One Book， One Chicago” program. As a result， reading clubs and neighborhood groups sprang up around the city. Across the US， stories emerged of parents and children reading to each other at night and strangers chatting away on the bus about the plot and characters. The only problem arose in New York， where local readers could not decide on one book to represent the huge and diverse population. This may show that the idea works best in medium-sized cities or large towns， where a greater sense of unity can be achieved. Or it may show that New Yorkers rather missed the point， putting all their energy and passion into the choice of the book rather than discussion about a book itself. Ultimately， as Nancy points out， the level of success is not measured by how many people read a book， but by how many people are enriched by the process or have enjoyed speaking to someone with whom they would not otherwise have 【shared a word】. The underlined words “shared a word” in the last paragraph probably mean ( ) .
A. exchanged ideas with each other
B. discussed the meaning of a word
C. gained life experience
D. used the same language
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47. Scarcely (_____)_ when the murderer shot him down.
A. did he finish his opening address
B. he did finish his opening address
C. had he finished his opening address
D. he had finished his opening address
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44. Soapy was lucky to escape (_____) to prison.
A. to be sent
B. sent
C. sending
D. being sent
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2. Passage Twenty-Three Washington Irving was America’s first man of letters to be known internationally. His works were received enthusiastically both in England and in the United States. He was， in fact， one of the most successful writers of his time in the country， and at the same time winning the admiration of fellow writers like Scott in Britain and Poe and Hawthorne in the United States. The respect in which he was held was partly owing to the man himself， with his warm friendliness， his good sense， his urbanity， his gay spirits， his artistic integrity， his love of both the Old World and the New. Thackery described Irving as “a gentleman， who， though himself born in no very high sphere， was most finished， polished， witty; socially the equal of the most refined Europeans. ” In England he was granted an honorary degree from Oxford—an unusual honor for a citizen of a young， uncultured nation—and he received the medal of the Royal Society of Literature. America made him ambassador to Spain. Irving’s background provides little to explain his literary achievements. A gifted but delicate child， he had little schooling. He studied law， but without zeal， and never did practice seriously. He was immune to his strict Presbyterian home environment， frequenting both social gatherings and the theatre. What is implied by the mention of Scott， Poe and Hawthorne?
A. Irving enjoyed great popular admiration.
B. Scott， Poe and Hawthorne were primarily responsible for Irving’s success.
C. Irving’s work was not only popular， but also of high literary quality.
D. More Americans than Britons admired Irving.
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4. 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. It was a fact that Lincoln’s speech was ( ) .
A. an immediate success
B. warmly applauded
C. a total failure
D. not well-received at first
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37. She earns a good salary, so she (_____)_ be deep in debt.
A. can’t
B. must
C. needn’t
D. should
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4. Passage Twelve What are the differences between public and private in American higher education? A big difference involves money. Public colleges and universities charger for an education just like private schools. But state schools cost less because they get money from the states that started them to educate local citizens. As a result， out-of-state and international students usually pay more than state residents， at least the first year. The state with the most residents， almost forty million， is California. Its systems of two-year and four-year colleges and universities are among the largest in the world. But the example we are going to focus on today is to the north of California， in a much smaller state on the West Coast: Oregon. The University of Oregon， located in Eugene， is one of the campuses in the Oregon University System. The cost for undergraduates this year is $6，000 for state residents. Housing is an additional $8，000. Non-residents pay the same for housing——but almost $20，000 for tuition and fees. Let’s see how these numbers compare to a private college in Oregon. Lewis and Clark College in Portland has 4，000 students， compared to 20，000 at the University of Oregon. Housing costs $800 more than at the state school. But the big difference is tuition. The published price at Lewis and Clark is almost $34，000. Yet Lewis and Clark is one of the few American colleges to offer financial aid for international students. Each year it awards financial aid to twenty students from other countries. And it says the average award last year was 19，000 dollars. That would make Lewis and Clark cheaper for international students than the University of Oregon. But， of course， prices alone do not say anything about the quality of a school or the value of an education. The costs of tuition and housing in Lewis and Clark College are ( ) .
A. both more expensive than in the University of Oregon
B. cheaper for foreign students than in the University of Oregon
C. the same as that in the University of Oregon
D. cheaper than those of the University of Oregon for the state residents
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41. While they were away (_____)_, they allowed their mail to accumulate at the post office.
A. on vacation
B. on hand
C. on duty
D. on guard
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