练习册

  • 练习册
  • 试题
    精英家教网 > 高中英语 > 题目详情

    B
    A mosquito is an insect that is found all over the world．There are thousands of different kinds of mosquitoes in many different sizes and colors．The female mosquito needs blood from vertebrates （脊椎动物）to lay eggs and produce more mosquitoes．She has a special part of her mouth that she uses to suck blood，and her saliva（spit）thins the blood so she can drink it．In fact．It’s the mosquito’s saliva that makes the bites itch（痒）!
    A person who gets bitten by a mosquito will notice a wheal，which is a bump around the bite．
    The wheal will be round，with pink or red around the edge and white in the middle．The wheal will
    itch a lot．Soon the wheal will disappear, but the itch will stay．
    If you’ve been bitten by a mosquito，wash the bite with soap and water．Put on some calamine lotion to help stop the itching，or an adult can find an anti-itch cream at the drugstore for you．Placing an ice pack on the bite may also help．Tell an adult you’ve been bitten by a mosquito，especially if you live in the eastern United States．But if you develop an allergic reaction and feel dizzy or sick，tell a doctor immediately．He can treat allergic reactions with sole medicine．
    The best way to avoid mosquito bites is to wear an insect repellent．Repellents that include one of these ingredients are best：BEET and lemon eucalyptus．Ask a parent to help you apply them．
    Since mosquitoes lay their eggs in water，it’s also a good idea to empty out buckets，flower pots，toys and other things in your yard that may have collected water during a rainstorm．And when it’s possible，you’d better wear long-sleeved shirts and long pants to keep mosquitoes away from your skin．
    60．What makes you itch after the mosquitoes’bites?
    A．A bump around the bite．          B．The mosquito’s saliva．
    C．Some calamine lotion．             D．An antic-itch cream．
    61．The underlined word“wheal”（Paragraph 2）is closest in meaning to________．
    A．a small mouth that can prevent an insect
    B．a small mark after an insect bite that usually itches
    C．an illness after an insect bite that always spreads nearby   
    D．an illness from mosquitoes’ bites and other pollution diseases
    62．Which of the following is TRUE according to this passage?
    A．There are thousands of mosquitoes in the same sizes and colors．
    B．The wheal will never disappear forever but the itch will disappear soon．
    C．Ask a doctor for some medicine if you develop an allergic reaction for the bite．
    D．Ask a parent for an insect repellent if you see mosquitoes laying their eggs in water．

    60—62 BBC       
    略
    练习册系列答案
    年级 高中课程 年级 初中课程
    高一 高一免费课程推荐！ 初一 初一免费课程推荐！
    高二 高二免费课程推荐！ 初二 初二免费课程推荐！
    高三 高三免费课程推荐！ 初三 初三免费课程推荐！
    相关习题

    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20小题，每题2分，满分40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。
    A
    We bet that on cold wintry days, many of you love to stay in your warm home and, every now and then, come out into the kitchen for a snack. Unfortunately, plenty of creepy-crawly critters(爬行生物) like to do the same thing!
    Winter is the time when bugs (虫子) invade your house without an invitation. The season can be tough for such creatures. In winter the air is cold, the ground is hard and many trees have no leaves. So bugs do what they have to do to survive.
    Monarch butterflies head south to warmer climates. Ants crowd in deep underground colonies and eat food they have been storing all year. Many insects go into a deep sleep called diapause. There’re different kinds of diapause, but all are similar to hibernation, a time when bigger animals become inactive in the cold. Insects go into an inactive period, too, but it often isn’t when the temperature drops.
    They rely on more dependable signals in the environment. For example, many insects can tell how much sunlight there’s each day. They use that to tell them when to shut down. Bugs are cold-blooded, meaning that their inside temperature is the same as the outside. They can’t move much when it gets below 40 degrees Fahrenheit. So they search for any warm place.
    They’re looking for protection. These guys have been doing this for 300 million years, so they don’t really know they’re coming into your house. The home is a recent event in terms of their evolutionary behavior. They enter through tiny cracks or come in unnoticed on your clothes or shoes. Remember that they may be invading your homes for warmth and food, but they don’t care about humans.
    56. What is the purpose of the first paragraph?
    A. To point out that humans like to stay at home in winter.
    B. To mean that humans and bugs have the same living habits.
    C. To mean that bugs will invade the house for their winter.
    D. To put forward the idea that bugs are not welcome in winter.
    57. According to the text, what is diapause?
    A. It is the same as the animals’ hibernation.
    B. It often appears in warm areas all the year.
    C. It is done to keep bugs active in winter.
    D. It is a deep sleep similar to hibernation.
    58. What often decides bugs’ diapause?
    A. The lower local temperatures.           B. The amounts of sunlight.
    C. Kinds of environmental signals.         D. The insects’ inside temperature.
    59. According to the text, bugs invade humans’ homes to ______.
    A. attack humans                                 B. look for enough food
    C. seek for protection                           D. show their evolutionary results
    60. What would be the best title for the text?
    A. Bugs’ life on cold wintry days
    B. Why bugs invade your home in winter?
    C. Good relations between humans and bugs
    D. What does diapause mean?

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：阅读理解

    More teachers are starting off the school year with letters to parents and students to introduce themselves and set a tone (基调) for the year．The letters are a good way to start positive communication with parents, several teachers told Education World．
    “I think it’s professional (专业的)，”said Dorothy Peselli, an English teacher at Sparta High School in Sparta, New Jersay, Peselli, who gives out the letters the first day of school, told Education World．“It gives parents an image of you as a professional．If you start communication off in a positive manner, you will have the parents on your side when you need them．”
    In her letter to parents, Peselli encourages them to call or e-mail her with specific concerns about their children．“I want to work as a team to make sure that your child becomes an independent lifelong learner,” Peselli wrote to parents last September．She also telephones the parents of all her students at the beginning of the year．
    Peselli includes with the letter a classroom handbook (手册)listing plans and rules ．And she requires that both parents and students read and sign statements (included in the letter!) that they read the handbook．The student letter also lists needed supplies and gives encouragement．“Please come to class ready to work and learn．This will be an exciting year for all of us,” it says
    Last year, Peselli taught at a different high school and parents there were “shocked”, but appreciative, that she had so much contact with them,“I received roses and a thank-you note from one boy and his mother”．Peselli said．She wished her own children’s teachers would take the time to write notes as well．“I never got a letter home from any of my daughter’s high school teachers．” she said, “It would be nice to know the background of some of the people who are teaching my daughter．”
    小题1:We may learn from the text that            
    A．most teachers are writing letters to parents and students
    B．the handbook is used to list supplies and give encouragement
    C．Peselli believe it important for teachers to exchange information with parents
    D．Peselli mainly introduces her background and teaching experiences in the letters
    小题2:The underlined word “it” in the fourth paragraph refers to         
    A．the handbookB．the requirement
    C．the schoolD．the letter
    小题3:We can infer from the last paragraph that          
    A．parents were satisfied with Peselli’s way of working
    B．Peselli means to surprise parents by writing students
    C．Peselli seemed to be popular among boy students
    D．all Peselli’s children are studying in high schools
    小题4:The purpose of the text is to          ．
    A．introduce an English teaching method
    B．give advice on how to teach students
    C．encourage teachers to keep in touch with parents
    D．show us how Dorothy Peselli makes teaching plans

    查看答案和解析>>

    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20小题，每题2分，满分40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。
    A
    The luxury of eating an apple on Mars could cost as much as US $22,000. That's because it costs about US $120,000 to launch a kilogram of anything into deep space. So getting enough food into orbit is a big problem facing astronauts on a trip to Mars.
    After NASA (National Aeronautics and Space Administration) has no current plans to send astronauts to Mars, related research is being carried out—including the production of food. Astronauts on the international Space Station usually eat primarily freeze-dried food to which they add water. However, the weight of the packaging—almost as much as the food inside—costs a lot of money. The biggest problem of all is a psychological one.
    Scientists believe that astronauts will suffer without the variety offered by fresh vegetables. The answer is to grow at least some of the food. On a short trip it is imagined that astronauts will eat vegetables such as lettuce, spinach and carrots grown in a refrigerator-sized unit known as a "salad machine". On longer journeys they will actually grow vegetables in greenhouses on Mars. Martian astronauts will eat a vegetarian diet since it will not be practical to raise animals. To make up for the lack of meat, recipes have been created to add as much variety to the diet as possible, using only a basic number of products. It uses heat and mechanical force to transform soybeans into meat and cheese substitutes（代替品）. The prized result of this research is a purely vegetable-based pizza with meat and cheese substitutes .
    41. What is the best title for this story?
    A. Space Food                                          B. Astronauts' Problem
    C. The Packaging of Space Food          D. Mars Rover-Spirit
    42. What is the main problem with the diet of astronauts on the international Space Station now?
    A. The packaging is too expensive.
    B. Only fresh vegetables are offered.
    C. Too much water is needed for dried food.
    D. There are not enough choices of food.
    43. What is the "salad machine" in the spaceship for?
    A. It stores vegetables.                 B. It grows vegetables.
    C. It cooks green salad.                D. It mixes green salad.
    44. From the passage we know that the diet plan for Martian astronauts is short of     .
    A. Vegetables.               B. A special kind of Pizza.            C. Meat.         D. Soybeans

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：阅读理解


    C
    The announcements by the NASA，in the form of several Web site postings and a video posted on YouTube，were in response to worries that the world will end on Dec．21，2012．
    The doomsday(末日) rumour reached a high point with the release of the new movie “2012”，directed by Roland Emmerich．In the movie，Yellowstone blows up, showering the continent with black ash．Tidal waves wash over the Himalayas，where the governments of the planet have secretly built a ship which a select 400，000 people can ride out the storm．There are hundreds of hooks devoted to 2012，and millions of Web sites，depending on what combination of“2012”and“doomsday”you type into Google．All of it，astronomers say, is nonsense．“Most of what's claimed for 2012 relies on wishful thinking and ignorance of astronomy．”Ed Krupp， an expert on ancient astronomy，wrote in an article in the November issue of Sky＆Telescope．
    “I get angry at the way people are being influenced and frightened to make money,” Morrison said．“There is no right to frighten children to make a buck．”suggested David Morrison，an astronomer at the NASA Ames Research Center in Moffett Field，Calif．He said he had been getting about 20 letters and e—mail messages a day from people as far away as India scared out of their wits．Morrison said he did not blame the movie for all this，as much as many other supporters of the Mayan prediction．But then，he said，“my doctorate is in astronomy，not psychology．”
    In an e—mail exchange, Krupp said：“We are always uncertain about the future，and we always consume representations of it．We are always attracted by the romance of the ancient past．”A NASA spokesman，Dwayne Brown，said the agency did not comment on movies，leaving that to movie critics．But when it comes to science, Brown said, “we felt it was careful to provide a resource．”
    If you want to worry，most scientists say，you should think about global climate change or nuclear war．But if ancient prophecies(预言)get you going，here are some things Morrison and the others think you should know．
    64．Which of the following statements is TRUE according to the passage?
    A．Dr．Morrison blamed the Movie“2011”for the panic it aroused in the public around the world．
    B．People who watched the movie were seared and firmly believed that the end of the world was coming．
    C．In terms of science it was better to provide evidence and theory at the same time．
    D．Dr．Morrison thought it was not right to make money by frightening people．
    65．It can be inferred from the text that        ．
    A．astronomers think that doomsday is likely to happen in the near future
    B．the reason why the NASA posted web site postings was to make people interested in astronomy
    C．scientists think we shouldn't worry about doomsday but show concern about environment protection
    D．most astronomers agree that the world is not ending—at least anytime soon
    66．Which of the following would be the best title?
    A．A New Movie“2012”            B．Is Doomsday Coming?
    C．End-of-the-World Stories          D．Astronomers Comment on Movies
    67．What would the author probably discuss in the paragraph that follows?
    A．Evidence that the Mayans thought something special would happen in 2012．
    B．What will really happen in 2012．
    C．The reason why there is no need to worry about doomsday．
    D．Ancient stories about the end of the world．

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：阅读理解


    E
    Could we "terraform" Mars —that is, change its frozen, thin-aired surface into something more friendly and Earthlike? Should we? The first question has a clear answer: Yes, we probably could．Spacecraft, including the ones now exploring Mars, have found evidence that it was warm in its youth, with rivers flowing into vast seas．And right here on Earth, we've learned how to warm a planet: just add greenhouse gases to its atmosphere．Much of the CO2 that once warmed Mars is probably still there, in frozen dirt and polar ice caps, and so is the water．
    Most of the work in terraforming, says NASA scientist Chris Mackay, would be done by life itself． "You don't build Mars," Mackay says．"You just warm it up and throw some seeds．" Powerful greenhouse gases could be produced from elements in dirt and air on Mars and blown into the atmosphere; by warming the planet, they would release the frozen CO2, which would quicken the warming and increase atmospheric pressure to the point where liquid water could flow．Meanwhile, says botanist James Graham of the University of Wisconsin, human settlers could seed the red rock with a succession （系列） of ecosystems ?first bacteria and lichens （地衣）, which survive in Antarctica, later mosses （苔藓）, and after one thousand years or so, redwoods．Getting breathable oxygen levels out of those forests, though, could take thousands of years．
    However, Mars is in no immediate danger．Some space scientists recently recommended going to the moon or an asteroid （小行星） first, and pointed out the space agency lacks the funds to go anywhere．It didn't estimate the cost of gardening a dead planet．
    72．What is the most essential to make Mars fit for living?
    A．Turn ice into flowing water．          B．Clean the dirty atmosphere．
    C．Make the atmosphere more suitable．    D．Go to the moon or an asteroid first．
    73．What does the author think of the idea ofterraforming Mars?
    A．We could do it．                            B．We couldn't do it．
    C．We should do it．                           D．We shouldn't do it．
    74．In the botanist's opinion, man needs to __________.
    A．enable Mars to clean its atmosphere
    B．build a greenhouse on Mars
    C．send some people to settle on Mars
    D．cultivate ecosystems from lower to higher life form
    75．What is the best title for the passage?
    A．Making Mars the New Earth．           B．A Good Way to Change the Universe
    C．Humans' Great Power．                     D．Terrible Science and Technology．

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：阅读理解


    (D)
    At a certain time in our lives we consider every place as the possible site for a house. I have thus searched the country within a dozen miles of where I live. In imagination I have bought all the farms, one after another, and I knew their prices.
    The nearest thing that I came to actual ownership was when I bought the Hollowell place. But before the owner completed the sale with me, his wife changed her mind and wished to keep it, and he offered me additional dollars to return the farm to him. However, I let him keep the dollars and sold him the farm for just what I gave for it.
    The real attractions of the Hollowell farm to me were its position, being about two miles from the village, half a mile from the nearest neighbor, bounded(相邻) on one side by the river, and separated from the highway by a wide field. The poor condition of the house and fences showed that it hadn’t been used for some time. I remembered from my earliest trip up the river that the house used to be hidden behind a forest area, and I was in a hurry to buy it before the owner finished getting out some rocks, cutting down the apple trees, and clearing away some young trees which had grown up in the fields. I wanted to buy it before he made any more of his improvements. But it turned out as I have said.
    I was not really troubled by the loss. I had always had a garden, but I don’t think I was ready for a large farm. I believe that as long as possible it is better to live free and uncommitted(无牵无挂). It makes but little difference whether you own a farm or not.
    57.What do we know about the author?
    A. He wanted to buy the oldest farm near where he lived.
    B. He made a study of many farms before buying.
    C. He made money by buying and selling farms.
    D. He had the money to buy the best farm in the country.
    58.Why did the author want to buy the farm in a hurry?
    A. He was afraid the owner might change his mind.
    B. He hoped to enlarge the forest on the farm.
    C. He wanted to keep the farm as it was.
    D. He was eager to become a farm owner.
    59.The underlined words “the loss” in the last paragraph refer to _____?
    A. the money the author lost in buying the farm
    B. the sale of the garden in the Hollowell place
    C. the removal of the trees around the house
    D. the failure to possess the Hollowell place
    60.What does the author believe as important in life?
    A. To own a farm               B. To satisfy his needs
    C. To be free from worries.       D. To live in the countryside.

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：阅读理解


    B
    　A new study has found no evidence that sunscreen, commonly used to reduce the risk of skin cancer, actually increases the risk.
    　Research from the University of Iowa based their findings on a review of 18 earlier studies that looked at the association between sunscreen use and melanoma (黑素瘤). They said that they found flaws in studies that had reported associations between sunscreen use and higher risk of melanoma.
    　Most health experts believe that by protecting the skin from the harmful effects of the sun, sunscreen helps prevent skin cancer, which is increasing in incidence (发生率) faster than any other cancer in the United States.
    　But questions have been raised about sunscreen and whether it may have the opposite effect by allowing people to remain exposed to the sun longer without burning.
    　The researchers said that among the problems with some earlier studies is that they often failed to take into account that those people most at risk for skin cancer---are more likely to use sunscreen. As a result, it may appear that sunscreen users get cancer more often.
    　The studies, which generally relied on volunteers to recall their sunscreen use, were also unable to prove how well the products had been applied, said the new study.
    60．The underlined word “flaws” in the 2nd paragraph most probably means _________.
    A．evidences         B．facts         C．faults         D．failures
    61．People with fair skin and freckles ________.
    A．seldom use sunscreen　　　　　　         B．are more in danger of skin cancer
    C．can be free from the harm of the sun　　     D．often expose themselves to the sun
    62．We can learn from the passage that _________.
    A．sunscreen users get skin cancer more often
    B．the volunteers have proved the effect of the sunscreen
    C．the new study has based on the experiences of volunteers
    D．the number of skin cancer patients is increasing in America
    63．Which of the following is the best title of the passage?
    A．Sunscreen to Prevent Skin Cancer　      B．Sunscreen to Increase Skin Cancer
    C．Skin Cancer Caused by Sunscreen　      D．Skin Cancer Caused by Freckles

    查看答案和解析>>

    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20小题；每小题2分，满分40分）
    A
    Experts around Europe are discussing the embarrassing museum safety following the theft of two art masterpiece paintings on Sunday. A large hunt got under way Monday for thieves who walked into a lightly guarded museum in Oslo, Norway, tore two paintings off the wall and ran away.
    Some expressed fear that works of art are in increasing danger from violent robbery — unless, said Deputy Culture Minister Yngve Slettholm, "we lock them in a mountain bunker(碉堡)."
    Armed, masked robbers stole the Edvard Munch masterpiece "The Scream" and another of Munch's works, "Madonna," from Oslo's Munch Museum on Sunday as visitors watched in disbelief.
    The purpose behind the robbery also remained unknown. But art experts guessed the thieves were either looking for money or wished to impress other criminals since it would be nearly impossible to sell such famous pieces of art.
    This is the second time in a decade that a version of the painting has been stolen. Another version of "The Scream" was stolen from Oslo's National Gallery in February 2004, but recovered three months later. The Munch works were not insured against theft, because it was impossible to set a price on them, said John Oeyaas, managing director of Oslo Forsikring, the city-owned company that insured the paintings against damage. But he said the theft in broad daylight from one of Norway's most visited museums raises the question of security — "How can we make these artworks available to the public while still ensuring their safety?"
    56. The stolen paintings were drawn by ______.
    A. Oslo Forsikring        B. Yngve Slettholm              C. Edvard Munch          D. John Oeyaas
    57.Which of the following description is correct about the theft?
    A.The two paintings were stolen on Monday
    B.Visitors to the museum saw the faces of the robbers
    C.The thieves were looking for money
    D.The thieves had weapons with them during the theft
    58. The Oslo’s Munch Museum ______.
    A.is one of the most popular museum in the country
    B.had all its paintings insured against theft
    C.were going to lock the paintings in a mountain bunker
    D.had another version of “The Scream” stolen in 2004
    59. What could be the best title for this passage?
    A.Dangers of Violent Robbery
    B.How to Ensure Safety of Artworks
    C.Priceless Art Lost in Bold Theft
    D.Famous Art Works Favored by Thieves

    查看答案和解析>>

    同步练习册答案