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    Getting a new PC is one thing, Keeping it running smoothly is quite another. While a personal computer should continue to perform well for years, users know that system unsteadiness does exist Yet you can reduce it to the smallest amount by following the tips below .
    First, put in as little software as possible. You’11 have fewer software –related problems and a system that is easier to manage.
    Second, you should ensure that you have as much memory (RAM) in your PC as you need If you run  Windows 98,your computer should have as least 128 megabytes (MB)of RAM and more You can also get by with 128 MB of RAM if you use Windows NT or Windows2000,but these operating systems will run much more smoothly if you have 256 MB of RAM or more.
    Third, make sure you buy good hardware. Noname products may be cheaper and sometimes just as good as named-brand products, but name-brand products usually became well-known because of famous companies because Windows will more often support the hardware that you buy ,If you are starting out with to have been tested thoroughly with your operating system, and you will generally experience fewer problems.
    Fourth, do prepare for disaster .No matter how well your system runs when you get it ,the day will come when it will need to be replaced .Hopefully, you will replace it because technology has become outdated, but you may need to replace it also because the hard drive crashes or you begin experiencing problems that no one can figure out .That’s why it ‘s important to you’re your important to copy your important information regularly. Whether you use a tape backup device or a CD-RW drive, it’s important to make a regular backup plan and stick to it .
    小题1:If you want to use Windows2000,but your computer only has 64MB.What will you have to do?
    A. Change its RAM for at least 256MB,   B. Put in good software in your computer.
    C. Enlarge its memory to at least 128 MB  D. Buy another new computer to match it .
    小题2: How many pieces of advice on buying good hard-ware does the writer give us ?
    A．ThreeB．TwoC．OneD．four
    小题3:It can be inferred from the passage that……
    A．your computer will save the important information when its hard drive crashes
    B．Your computer might lose all the information it stores when it crashes .
    C．You must not put in much software.
    D．You’d better use 128 MB of Ram if you run Windows NT.
    小题4:the best title of this passage would be “……”
    A．the Tips You must Follow
    B．How to Start out with a Computer
    C．How to Use your PC Better
    D．How to Keep Your PC Stable
    小题5: what does the underlined word “it ”(paragraph 1)refer to ?
    A．System unsteadinessB．personal computer
    C．To perform wellD．Getting a new PC

    小题1:C
    小题2:A
    小题3:B
    小题4:D
    小题5:A

    小题1:
    小题2:
    小题3:
    小题4:
    小题5:
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    科目：高中英语 来源：不详 题型：阅读理解


    Plants, like animals, are subject to diseases of various kinds．It has been estimated that some 30,000 different diseases attack our economic plants; forty are known to attack corn, and about as many attack wheat．The results of unchecked plant disease are all too obvious in countries which have marginal food supplies．The problem will soon be more widespread as the population of the world increases at its frightening rate．Even in countries which are now amply fed by their agricultural products there could soon be the major crops; the resulting famines(饥荒) could kill millions of people, and the resulting hardship on other millions could cause political upheavals(动乱) disastrous to the order of the world．
    Some plants have relative immunity to a great many diseases, while others have a susceptibility to them．A blight (萎菌病) may be but a local infection easily controlled; on the other hand it can attack particular plants in a whole region or nation．An example is the blight which killed virtually every chestnut tree in North America．Another is the famous potato blight in Ireland in the last century．As a result of that, it was estimated that one million people died of starvation and related ailments．
    Plant pathologists have made remarkable strides in identifying the pathogens of the various diseases．Bacteria may invade a plant through an infestation of insect parasites carrying the pathogen．A plant can also be inoculated by man．Other diseases might be caused by fungus which attacks the plant in the form of a model or smut or rust．Frequently such a primary infection will weaken the plant so that a secondary infection may result form its lack of tolerance．The symptoms(症状) shown may cause an error in diagnosis, so that treatment may be directed toward bacteria(细菌) which could be the result of a susceptibility caused by a primary virus infection．
    小题1:How many diseases are known to attack wheat?
    A．Around 30000B．Forty
    C．Around 29960D．Around 40
    小题2:Unchecked plant disease won't result in_______．
    A．food shortages in poor country B．food shortages in rich country
    C．increase of world populationD．disaster in world politics
    小题3:What is the main idea of the second paragraph?
    A．Some plants have relative immunity to a great many diseases．
    B．Some other plants have a susceptibility to a great many diseases．
    C．The tolerance of a particular plant changes as the growing conditions change．
    D．A blight can be a national infection．
    小题4:According to the passage, some plant diseases can__________．
    A．infect people
    B．be prevented by inoculation（接种疫苗）
    C．be prevented by killing insects
    D．be prevented by improving the growing conditions
    小题5:Which of the following won’t cause plant disease ?   
    A．FungusB．MoldC．SmutD．Rust

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    科目：高中英语 来源：不详 题型：阅读理解


    Excused from recycling(回收利用) because you live in a high rise with a rubbish chute (垃圾道)? You won't be for long. Miami's Mark Shantzis has made it simple for those living in tall buildings to use the chute and recycle too .
    　　In Shantzis' Hi-Rise Recycling System, a chute leads to a pie-shaped container with six boxes that can turn around when operated. The system , which fits in the same space as the chute and container now in use, enables glass , plastic , paper , metal , and other rubbish to go into separate boxes .
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    小题1:The purpose in writing this text is _________.
    A．to encourage people to recycle their rubbish
    B．to introduce a recycling system for high rises
    C．to describe the use of computer technology in recycling
    D．to explain the need for rubbish collection in high rises
    小题2: When he says "You won't be for long" the writer means that _______.
    A．you'll soon be living in a cleaner building
    B．rubbish chutes will become out of date before long
    C．you won't wait long for your turn to recycle rubbish
    D．it won't be long before you'll have to recycle your rubbish
    小题3: Before dropping rubbish into the chute you have to ___________
    A．lock the other floors' chute doorsB．check if the container is full
    C．press the correct buttonD．break up the rubbish
    小题4:The biggest advantage of this new system is that _________
    A．it reduces the cost of recycling　B．it saves time and space
    C．it saves money for people living in high rises
    D．it makes better use of the existing recovery equipment

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    科目：高中英语 来源：不详 题型：阅读理解


    Tears are nature's way of making us feel more comfortable. When our eyes is made uncomfortable by some small pieces of pollution, or when we are cutting onions, or when we are exhausted and “red –eyes” from over work and late hours, tears form in our eyes to clean and re-flesh them.
    Tears are also a sign of strong emotion. We cry when we are sad and we cry when we are happy.
    And tears seem to be uniquely（唯独）human. We know that animals also experience emotion—fear, pleasure, loneliness — but they do not shed （流） tears. From this, we can conclude that tears are closely related to the emotional and biological make up of the human species.
    Biologically speaking, tears are actually drops of saline fluid, which is a little bit salty, produced by a gland（腺）in the body. Because salt is an important component, tears may actually constitute the most conclusive evidence that the human animal is the end product of a long evolutionary process that began in the sea.
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    A．the sea             B．the salt        C．chemicals      D．animals
    69．Which of the following is NOT a function of tears?
    A．Biological       B．Emotional    C．Political   D．Chemical
    70．According to the article, which of the following is unique to humans?
    A．The feeling of loneliness.         B．The state of feeling good.
    C．The ability to shed tears          D．The feeling of fear
    71．The underlined word “eliminate” probably means_______.
    A．add            B．produce       C．replace        D．remove

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    科目：高中英语 来源：不详 题型：阅读理解


    第三部分: 阅读理解 (共15小题；每小题2分，满分30分)
    阅读下列短文，从每题所给的四个选项A、B、C和D中，选出最佳选项，并在答题卡上将该项涂黑。
    When I stepped out the plane from Miami into Charlotte, North Carolina, airport for a connecting flight home, I immediately knew something was wrong. Lots of desperate people crowded the terminal. I quickly learned that flights headed to the Northeast were called off because of a storm. The earliest they could get us out of Charlotte was Tuesday. It was Friday. A gate agent stood on the counter and shouted, “Don’t ask us for help! We cannot help you!”
    I joined a crowd that ran from terminal to terminal in search of a flight out. Eventually, I found six strangers willing to rent a van with me. We drove through the night to Washington, where I took a train the rest of the way to Providence.
    The real problem, of course, is that incidents like this happen every day, to everyone who flies, more and more often. It really gets to me, though, because for eight years I was on the other side, as a flight attendant for Trans-World Airlines (TWA).
    I know the days are gone when attendants could be written up if we did not put the lines napkins with the TWA logo in the lower right-hand corner of the first-class diners’ trays. As are the days when there were three dinner options on flights from Boston to Los Angeles in economy class. When, once, stuck on a tarmac（机场停机坪）in Newark for four hours, a planeload of passengers got McDonald’s hamburgers and fries by thoughtfulness of the airline.  
    I have experienced the decline of service along with the rest of the flying public. But I believe everything will change little by little, because I remember the days when to fly was to soar (翱翔). The airlines, and their employees, took pride in how their passengers were treated. And I think the days are sure to come back one day in the near future.
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    A. they were ready to board on the planes     
    B. something was wrong with the terminal
    C. the flights to the Northeast were canceled    
    D. the gate agent wouldn’t help the passengers
    2. How did the writer get to Providence at last?
    A. by air                    B. by van                
    C. by train                     D. by underground
    3. Which of the following is NOT true according to the passage?
    A. Incidents happened to those who fly quite often.
    B. The writer used to be a flight attendant for Trans-World Airlines.
    C. Even a small mistake might cause complaints from passengers in the past.
    D. McDonald’s hamburgers and fries were among regular dinner options. 
    4. What can be implied from the passage?
    A. The writer lived in Charlotte, North Carolina.
    B. The writer thought the service was not as good as it used to be.
    C. The writer with other passengers waited to be picked up patiently.
    D. Passengers would feel proud of how they were treated on the plane.

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    科目：高中英语 来源：不详 题型：阅读理解


    Why should I teach my children history? That sounds like a stupid question to even ask. But, as I hear different home schooling teachers discuss history, I get the idea that there may be different reasons for teaching history. Let me briefly explain the three good reasons for studying history and two bad reasons for studying history.
    The major reason I see for studying history is that we can learn from the past. I am convinced that the world would be a much better place if more people understood the successes and failures of the past and the things that made these successes and failures. However, as the unfortunately true statement goes “the one thing we seem to learn from history is that we don’t seem to learn from history. ”Perhaps at least in teaching history, to my children I can do a small part in changing this.
    A second major reason for studying history is that it is hard to understand the current political climate in the absence of an understanding of its historical context. We can not even understand who we are and where we are without history, much less try to figure out where we are going or how we should get where we want to be.
    I teach my children history, for one more reason. I purchased a set of historical audio tapes for our children. My seven-year-old son listened to them over and over. It was my hope that he would become inspired by the accomplishments of people like the Wright brothers to accomplish things by himself. I think that it is good that we celebrate the accomplishments of people like Martin Luther King Jr. In doing so, young people are called on to stand for the principles that he stood for and accomplish what he accomplished. I also think that by studying people like Adolph Hitler, people can learn to stand against the things that he stood for.
    1. What message can we get from the underlined sentence in Paragraph 2?
    A. Many people aren’t clever enough to learn well from the past.
    B. Many people fail to make good use of history and make the same mistakes.
    C. Many people feel it hard to understand history.
    D. Many people have no interest in studying history.
    2. In Paragraph 3, the author shows that history is useful because
    A. it makes the current political situation go smoothly
    B. it helps us realize the importance of historical events
    C. it helps us understand why things are the way they are
    D. it helps people accept the present situation where they live
    3. Some historical figures are mentioned in the last paragraph to show
    A. people can be inspired to do good, while also learning to fight against evil
    B. people may also learn from bad historical figures
    C. more celebrations should be held to honor their achievements
    D. today’s people can also achieve what they achieved
    4. What would be talked about in the following paragraph?
    A. How to teach history effectively.         
    B. Some negative reasons for studying history.
    C. How to get more people to study history.  
    D. Some bad historical figures.

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    科目：高中英语 来源：不详 题型：阅读理解


    Dogs are known for their sense of smell．They can find missing people and things like bombs and illegal drugs．Now a study suggests that the animal known as man’s best friend can even find bladder（膀胱）cancer．
    Cancer cells are thought to produce chemicals with unusual odors（气味）．Researchers think dogs have the ability to smell these odors, even in very small amounts, in urine（尿）．The sense of smell in dogs is thousands of times better than in humans．
    The study follows reports of cases where, for example, a dog showed great interest in a growth on the leg of its owner．The man was later found to be skin cancer．Carolyn Willis led a team of researchers at Amersham Hospital in England．They trained different kinds of dogs for the experiment．The study involved urine collected from bladder cancer patients, from people with other diseases and from healthy people．Each dog was tested 8 times．In each test there were 7 samples for the dogs to smell．The dog should signal the one from a bladder cancer patient by lying down next to it．Two cocker dogs were correct 56 percent of the time．But the scientists reported an average success rate of 41 percent．The British Medical Journal published the research．In all, 36 bladder cancer patients and 108 other people took part．During training, all the dogs reportedly even identified（认出）a cancer in a person who had tested healthy before the study．Doctors found a growth on the person’s right kidney（肾）．Carolyn Willis says dogs could help scientists identify the combined chemicals produced by bladder cancer．That information could then be used to develop machines to test for the chemicals．The team also plans to use dogs to help identify markers for other kinds of cancer．
    49．What’s the general idea of the text?
    A．Dogs have a good sense of smell        B．Dogs can help cure cancer
    C．Dogs can smell cancer                 D．Dogs help perform experiments
    50．According to the text, people who suffer bladder cancer_____
    A．often have urine with unusual smell                       B．probably smoke cigarettes in their life
    C．can easily make dogs lie down                    
    D．are likely to die within nine years
    51．The underlined word “involved” in the text is closest in meaning to _____．
    A．showed            B．used          C．proved       D．preferred
    52．What can we conclude from the last paragraph?
    A．Dogs can only smell bladder cancer．
    B．Dogs have a good knowledge of cancer．
    C．Cancer doesn’t have any sign in the beginning．
    D．Scientists might invent some equipment to test cancer．

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    科目：高中英语 来源：不详 题型：阅读理解

    .
    Damage to Ozone layer Gets Worse
    In the middle of winter, when snow is falling in many parts of the United States, scientists have sounded a warning to people who plan to spend many hours in the sun this summer. The warning is: The sun’s summertime rays are more dangerous than once thought.
    A team of scientists from 80 nations recently reported to the United Nations that a layer of ozone (臭氧层) in the atmosphere, which protects humans from harmful levels of ultraviolet radiation（紫外线辐射）, will be thinner over the United States this summer. The thinner layer allows more ultraviolet rays from the sun to reach Earth. The extra amount of ultraviolet radiation could cause an increase in the number of cases of skin cancer.
    Scientists first became concerned about the ozone layer in the mid-1980s when a hole was discovered in the layer above Antarctica during the winter. The hole was caused by chemicals used in refrigerators and air conditioners. When these chemicals are sent out into the atmosphere, they produce gases that destroy the ozone.
    Concern about the protective ozone layer rose more recently when data(数据) from satellites and ground stations showed that ozone levels were dropping over areas other than Antarctica. Low ozone levels were recorded in the spring and summer over the United States and over other populated areas in the world.
    Although many countries have already begun stopping the use of ozone destroying chemicals, the new findings are expected to advance the timetable for a total ban(禁止) of the chemicals.
    59.   The scientists have observed the ozone layer_____.
    A.  since 1980             B.  since last winter      
    C.  for about 20 years       D.  for about one year
    60. The ozone layer in the atmosphere can _____.
    A.  do a lot of good to human beings in many ways.
    B.  protect humans from diseases caused by bad weather.
    C.  do a lot of harm to human beings in the summer-time.
    D.  protect humans from harmful levels of ultraviolet radiation.
    61. Scientists first found that there was a hole in the ozone layer_____.
    A.  above Arctic during the winter in the mid-1980s
    B.  above Antarctica during the winter in the mid-1980s
    C.  over somewhere in the north of the equator in 1980
    D.  over the U.S.A in the summertime in the mid-1980s
    62.   The damage to the ozone layer was caused by_____.
    A.  the changeable weather
    B.  ozone-destroying chemicals
    C.  chemicals from refrigerators
    D.  chemicals from air conditioners

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    科目：高中英语 来源：不详 题型：阅读理解


    E
    Is early childhood education really necessary? Early childhood education primarily focuses on learning through playing to develop the child’s physical, sensory, communicational and social development．Early childhood education has become a concern of the government, who pushes poor children to be formally trained before they are old enough for Kindergarten．
    There are good reasons for the government to push early childhood education．Studies have shown that orphaned children who did not receive good care and education become developmentally delayed causing failure in school, and even in life．Further studies show that poor children who take part in Head Start programs are more prepared for school, less likely to end up in   
    Special Education classes, and are less likely to receive public help or go to jail．
    There are also negative parts to putting a child in formal education programs too early．Time Magazine online explains that “the younger the child the less his chances of catching up with first-grade work．” I have personally witnessed many children of my generation who went to Head Start programs become frustrated and bored with school before they finished high school．Yet parents have been sure that the earlier the child starts school, the better off he or she is, so they push to start children earlier．
    Actually while early formal education of poor children does show great gains in the early elementary years, studies also show that this head start is really a “false start”, as the gains are lost in middle and high school years．It seems that environment is a bigger factor on life’s success than early education．Head Start programs have not achieved its original goal in closing the achievement gap in poor and middle school children．Perhaps it is time to find other ways to close that gap．
    71．The purpose of the government valuing the early childhood education is ________．
    A．to develop the children’s communication
    A．to give orphaned children good care and education
    C．to get the children prepared for the kindergarten
    D．to train the children formally and regularly
    72．According to the studies, which of the following is True?
    A．Children with good early education may have a rich life．
    B．The orphaned children are usually unhappy in their life．
    C．Children without early education can do well at school．
    D．Head Start programs are helpful to the poor children．
    73．“the younger the child the less his chances of catching up with first-grade work．” suggests that _________．
    A．the early childhood education is helpless to the child’s grade
    B．it is good for the young children to receive early education
    C．the early education can help the children follow the grade
    D．the younger the children are, the cleverer they will be
    74 The author’s attitude toward the early childhood education is _________．
    A．puzzling       B．objective      C．indifferent    D．approving
    75．The main idea of the last passage is that __________．
    A．the early childhood education is very necessary
    B．Head Start programs have helped the children a lot
    C．environment is the most important to life’s success
    D．better ways should be found to help the poor children

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