People tend to think of computers as isolated machines, working away all by themselves. Some personal computers do without an outside link, like someone's secret cabin in the woods. But just as most of homes are tied to a community by streets, bus routes and electric lines, computers that exchange intelligence are part of a community local, national and even global network joined by telephone connections.
The computer network is a creation of the electric age, but it is based on old-fashioned trust. It cannot work without trust. A rogue (流氓) loose in a computer system called hacker is worse than a thief entering your house. He could go through anyone's electronic mail or add to, change or delete anything in the information stored in the computer's memory. He could even take control of the entire system by inserting his own instructions in the software that runs it. He could shut the computer down whenever he wished, and no one could stop him. Then he could program the computer to erase any sign of his ever having been there.
Hacking, our electronic-age term for computer break-in is more and more in the news, intelligent kids vandalizing（破坏）university records, even pranking (恶作剧) about in supposedly safeguarded systems. To those who understand how computer networks are increasingly regulating life in the late 20th century, these are not laughing matters. A potential for disaster is building: A dissatisfied former insurance-company employee wipes out information from some files; A student sends out a "virus", a secret and destructive command, over a national network. The virus copies itself at lightning speed, jamming the entire network thousands of academic, commercial and government computer systems. Such disastrous cases have already occurred. Now exists the possibility of terrorism by computer. Destroging a system responsible for air-traffic control at a busy airport, or knocking out the telephones of a major city, is a relatively easy way to spread panic. Yet neither business nor government has done enough to strengthen its defenses against attack. For one thing, such defenses are expensive; for another, they may interrupt communication, the main reason for using computers in the first place.
59. People usually regard computers as .
A. a small cabin at the end of a street
B. part of a network
C. means of exchanging intelligence
D. personal machines disconnected from outside
60. The writer mentions “ a thief ”in the second paragraph most probably to .
A. look into the case where hackers and thieves are the same people
B. demand that a computer network should be set up against thieves
C. tell people that thieves like to steal computers nowadays
D. show that a hacker is more dangerous than a thief
61. According to the passage , a hacker may do all the damages below EXCEPT .
A. destroying computer systems .
B. creating many electronic-age terms .
C.. entering into computer systems without being discovered
D. attacking people’s e-mails
62. By saying “ Now exists the possibility of terrorism by computer ”(the underlined ) the writer means that .
A. students who send out a “ virus ”may do disastrous damages to thousands of computers
B. some people may spread fear in public by destroying computer systems
C. some employees may erase information from some files
D. some terrorists are trying to contact each other using electronic mails
Tea, the most important of English drinks, is a relative latecomer to British shores. Although the custom of drinking tea dates back to the third millennium BC in China, it was not until the mid 17th century that tea first appeared in England.
Afternoon tea was introduced in England by Anna, the seventh Duchess of Bedford, in the year 1840. The Duchess would become hungry around four o’clock in the afternoon. The evening meal in her household was served fashionably late at eight o’clock, thus leaving a long period of time between lunch and dinner. The Duchess asked her servant to bring a tray of tea, bread, butter and cake to her room during the late afternoon. This became a habit of hers and she began inviting friends to join her.
This pause for tea became a fashionable social event. During the 1880’s upper class and society women would change into long gowns(长袍), gloves and hats for their afternoon tea which was usually served in the drawing room between four and five o’clock.
Traditional afternoon tea consists of a selection of dainty(讲究的) sandwiches, scones(烤饼)served with cream and jams. Cakes and pastries(面团) are also served. Tea grown in India or Ceylon is poured from silver teapots into delicate bone china cups.
Nowadays, however, in the average suburban home, afternoon tea is likely to be just a biscuit or small cake and a mug of tea, usually produced using a teabag.The title of the passage is __________.
| A．Anna, the seventh Duchess of Bedford |
| B．Tea, the most important of English drinks |
| C．Anna, a person introducing afternoon tea to England |
| D．Afternoon tea, a very British tradition |
Afternoon tea was introduced in English in _________.
| A．1880 | B．the mid 17th century |
| C．1840 | D．3 BC |
Traditional afternoon tea is made up of __________.
| A．sandwiches, scones as well as cakes and pastries |
| B．a biscuit or small cake and a mug of tea |
| C．a tray of tea, bread, butter and cake |
| D．a selection of dainty sandwiches |
According to the passage, we can learn that _________.
| A．Tea appeared in England much earlier than in China |
| B．The reason why the Duchess was hungry at 4 p.m. is that dinner time came quite late |
| C．In the suburban home, afternoon tea is also served in a dainty way |
| D．Tea grown in India or Ceylon is poured from china teapots into delicate bone silver cups. |
A team of engineers at Harvard University has been inspired by Nature to create the first robotic fly. The mechanical fly has become a platform for a series of new high-tech integrated systems. Designed to do what a fly does naturally, the tiny machine is the size of a fat housefly. Its mini wings allow it to stay in the air and perform controlled flight tasks.
“It’s extremely important for us to think about this as a whole system and not just the sum of a bunch of individual components (元件),” said Robert Wood, the Harvard engineering professor who has been working on the robotic fly project for over a decade. A few years ago, his team got the go-ahead to start piecing together the components. “The added difficulty with a project like this is that actually none of those components are off the shelf and so we have to develop them all on our own,” he said.
They engineered a series of systems to start and drive the robotic fly. “The seemingly simple system which just moves the wings has a number of interdependencies on the individual components, each of which individually has to perform well, but then has to be matched well to everything it’s connected to,” said Wood. The flight device was built into a set of power, computation, sensing and control systems. Wood says the success of the project proves that the flying robot with these tiny components can be built and manufactured.
While this first robotic flyer is linked to a small, off-board power source, the goal is eventually to equip it with a built-in power source, so that it might someday perform data-gathering work at rescue sites, in farmers’ fields or on the battlefield. “Basically it should be able to take off, land and fly around,” he said.
Wood says the design offers a new way to study flight mechanics and control at insect-scale. Yet, the power, sensing and computation technologies on board could have much broader applications. “You can start thinking about using them to answer open scientific questions, you know, to study biology in ways that would be difficult with the animals, but using these robots instead,” he said. “So there are a lot of technologies and open interesting scientific questions that are really what drives us on a day to day basis.”The robotic fly project has been conducted __________.
| A．just by accident |
| B．within a decade |
| C．just by a professor |
| D．for more than ten years |
The difficulty the team of engineers met with while making the robotic fly was that __________.
| A．they had no model in their mind |
| B．they did not have sufficient time |
| C．they had no ready-made components |
| D．they could not assemble the components |
Which of the following can be learned from the passage?
| A．The robotic flyer is designed to learn about insects. |
| B．Animals are not allowed in biological experiments. |
| C．There used to be few ways to study how insects fly. |
| D．Wood’s design can replace animals in some experiments. |
Which of the following might be the best title of the passage?
| A．Father of Robotic Fly |
| B．Inspiration from Engineering Science |
| C．Robotic Fly Imitates Real Life Insect |
| D．Harvard Breaks Through in Insect Study |
From the health point of view we are living in a wonderful age. A large number of once fatal illnesses can now be cured by modern drugs and surgery. But though the possibility of living a long and happy life is greater than ever before, every day we witness the incredible killing of people on the roads. Man is opposite to the motor-car! It is a never ending battle which man is losing. Thousands of people are killed each year and we are quietly sitting back and letting it happen.
It has been rightly said that when a man is sitting behind a steering-wheel(方向盘) , his car becomes the extension of his personality. There is no doubt that the motor-car often brings out a man's worst qualities. People who are normally quiet and pleasant may become unrecognizable when they are behind a steering-wheel. They are rude, ill-mannered and aggressive. All their hidden frustrations and disappointments seem to be brought to the surface by the act of driving.
The surprising thing is that society smiles on the motorist and seems to forgive the behaviour. Everything is done for his convenience. Cities and towns are made ugly by huge car parks.
It is high time a world law were created to reduce this senseless waste of human life. With regard to driving, the laws of some countries are not strict and even the strictest are not strict enough. A law which was universally accepted could only have a beneficial effect on the accident rate. Here are a few examples of some things that might be done. The driving test should be made to a fixed standard and far more difficult than it is; all the drivers should be made to take a test every three years or so; the age at which young people are allowed to drive any vehicle should be raised to at least 21 ; all vehicles should be put through strict annual tests for safety. Present drinking and driving laws (where they exist) should be mad much stricter. Driving speed should be limited on all roads. These measures may sound extremely severe. But surely nothing should be considered difficult if it results in reducing the annual toll of human life. After all, the world is for human beings, not motor-cars.The main idea of this passage is______.
| A．traffic accidents are mainly caused by motorists |
| B．thousands of people in the world are killed each year |
| C．only stricter traffic laws can prevent accidents |
| D．the laws of some countries about driving are too strict |
Which of the following is right according to the passage?
| A．It is right to build huge car parks in cities and towns. |
| B．all the drivers must be asked to take a test every year. |
| C．Working by car can save time and money. |
| D．Society overlooks their rude driving. |
Why does the author say" his car becomes the extension of his personality" ?
| A．Driving can show his real self. |
| B．Driving can bring out his good character. |
| C．Driving can make a man excited and joyful. |
| D．Driving can make a man quiet and pleasant. |
The attitude of the author is______.
| A．approving | B．critical |
| C．sympathetic | D．aggressive |
Home stay provides English language students with the opportunity to speak English outside the classroom and the experience of being part of a British home.
What to Expect
The host will provide accommodation and meals. Rooms will be cleaned and bedcovers changed at least once a week. You will be given the house key and the host is there to offer help and advice as well as to take an interest in your physical and mental health.
Accommodation Zones
Home stays are located in London mainly in Zones2,3 and of the transport system. Most hosts do not live in the town centre as much of central London is commercial and not residential(居住的). Zones3 and 4often offer larger accommodation in a less crowned area. It is very convenient to travel in London by Underground.
Meal Plans Available
♢ Continental Breakfast
♢ Breakfast and Dinner
♢ Breakfast, Packed Lunch and Dinner
It’s important to note that few English families still provide a traditional cooked breakfast. Your accommodation includes Continental Breakfast which normally consists of fruit juice, cereal（谷物类食品），bread and tea or coffee. Cheese, fruit and cold meat are not normally
part of a Continental Breakfast in England. Dinners usually consist of meat or fish with vegetables followed by desert, fruit and coffee.
Friends
If you wish to invite a friend over to visit. You must first ask your host’s permission. You have no right to entertain friends in a family home as some families feel it is an invasion of their privacy.
Self-Catering Accommodation in Private Homes
Accommodation on a room-only basis includes shared kitchen and bathroom facilities and often a main living room. This kind of accommodation offers an independent lifestyle and is more suitable for the long-stay student. However, it does not provide the same family atmosphere as an ordinary home stay and may not benefit those who need to practise English at home quite as much.The passage is probably written for ____________.
| A．host willing to receive foreign students |
| B．foreigners hoping to build British culture |
| C．travellers planning to visit families in London |
| D．English learners applying to like in English homes |
Which of the following will the host provide?
| A．Room cleaning. | B．Medical care. |
| C．Free transport. | D．Physical training. |
What can be inferred from Paragraph3?
Zone 4 is more crowded than Zone 2
B. The business centre of London is in Zone.
C. Hosts dislike travelling to the city centre.
D. Zone 2 is more crowded than Zone 4. According to the passage. What does continental Breakfast include?
| A．Dessert and coffee | B．Fruit and vegetables. |
| C．bread and fruit juice | D．Centre and cold meat. |
Usually, when your teacher asks a question, there is only one correct answer. But there is one question that has millions of current answers. That question is “What’s your name?” Everyone gives a different answer, but everyone is correct.
Have you ever wondered about people’s names? Where do they come from? What do they mean?
People’s first names, or given names, are chosen by their parents. Sometimes the name of a grandparent or other member of the family is used. Some parents choose the name of a well-known person. A boy could be named George Washington Smith; a girl could be named Helen Keller Jones.
Some people give their children names that mean good things. Clara means “bright”; Beatrice means “one who gives happiness”; Donald means “world ruler”; Leonard means “as brave as a lion”.
The earliest last names, or surnames, were taken from place names. A family with the name Brook or Brooks probably lived near brook(小溪)；someone who was called Longstreet probably lived on a long, paved road. The Greenwood family lived in or near a leafy forest.
Other early surnames came from people’s occupations. The most common occupational name is Smith, which means a person who makes things with iron or other metals. In the past, smiths were very important workers in every town and village. Some other occupational names are: Carter — a person who owned or drove a cart; Potter —a person who made pots and pans.
The ancestors of the Baker family probably baked bread for their neighbors in their native village. The Carpenter’s great-great-great-grandfather probably built houses and furniture.
Sometimes people were known for the color of their hair or skin, or their size, or their special abilities. When there were two men who were named John in the same village, the John with the gray hair probably became John Gray. Or the John was very tall could call himself John Tallman. John Fish was probably an excellent swimmer and John Lightfoot was probably a fast runner or a good dancer.
Some family names were made by adding something to the father’s name. English-speaking people added –s or –son. The Johnsons are descendants of John; the Roberts family’s ancestor was Robert. Irish and Scottish people added Mac or Mc or O. Perhaps all of the MacDonnells and the MacDonnells and the O’Donnells are descendants of the same Donnell.Which of the following aspects do the surnames in the passage NOT cover?
| A．Places where people lived. |
| B．People’s characters. |
| C．Talents that people possessed. |
| D．People’s occupations. |
According to the passage, the ancestors of the Potter family most probably _______.
| A．owned or drove a cart |
| B．made things with metals |
| C．made kitchen tools or contains |
| D．built houses and furniture |
Suppose and English couple whose ancestors lived near a leafy forest wanted their new-born son to become a world leader, the baby might be named _______.
| A．Beatrice Smith | B．Leonard Carter |
| C．George Longstreet | D．Donald Greenwood |
The underlined word “descendants” in the last paragraph means a person’s _____
| A．later generations | B．friends and relatives |
| C．colleagues and partners | D．later sponsors |