练习册

  • 练习册
  • 试题
    精英家教网 > 高中英语 > 题目详情
    CORVALIJS. Ore.-- Engineers at Oregon Suite University have made a breakthrough in the performance of microbial (微生物的)fuel cells that can produce electricity directly from wastewater，opening the door to a future in which waste treatment plants not only will power themselves, but will sell extra electricity.
    The new technology ,developed at OSU, can now produce 10 to 50 more times the electricity, per volume, than most oilier approaches using microbial fuel cells,and 100 times more electricity than some.
    Researchers say this could eventually change the way that wastewater is treated all over the world, replacing the widely used “activated sludge (泥浆) ” process that has been in use for almost a century. The new approach would produce significant amounts of electricity while effectively cleaning the wastewater,
    “If this technology works on a commercial scale the way we believe it will ,the treatment of wastewater could be a huge energy producer, not a huge energy cost.” said Hong Liu ，an associate professor in the OSU Department of Biological and Ecological Engineering. “This could have an impact around the world, save a great deal of money, provide better water treatment and promote energy sustainability.”
    The biodegradable (能降解的）characteristics of wastewater, if developed to their full potential, could theoretically provide many times the energy that is now being used to process them, with no additional greenhouse emissions.
    OSU researchers reported several years ago on the promise of this technology, but at that time the systems in use produced far less electrical power. With new concepts, the technology can now produce more than two kilowatts per cubic meter of liquid reactor volume.
    The new system also works better than an alternative approach to creating electricity from wastewater, based on anacrobic (臭氧的）digestion that produces methane (甲烷）.It treats the wastewater more effectively, and doesn’t have any of the environmental drawbacks of that technology, such as production of possible release of methane, a significant greenhouse gas.
    小题1:Which of the following best expresses the main idea of the passage?
    A．The treatment of wastewater is a huge energy cost.
    B．Wastewater is being treated differently over the world.
    C．Waste treatment plants have found a new way to power themselves.
    D．Microbial fuel cells will produce more electricity from wastewater.
    小题2:What can we learn about the new technology from the passage?
    A．It can produce 100 times more electricity than any approach used today.
    B．Through it more electricity can be created and water can be cleaned better.
    C．It has already changed the way that wastewater is treated all over the world
    D．It has opened the door to put microbial fuel cells to productive use.
    小题3:What attitude does Professor Liu hold towards the new technology?
    A. Supportive.      B. Critical.       C Unconcerned.    D. Curious.
    小题4:According to the last paragraph, why does the new system work better than the alternative approach?
    A．Because it is co-friendly and treats wastewater more effectively.
    B．Because it can make full use of anaerobic digestion producing methane.
    C．Because it may produce less methane than the alternative approach.
    D．Because it can produce 10 times the energy than the alternative approach.

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

    试题分析：本文叙述了研究发现现在可以用污水中的微生物的燃料来发电，并且还能净化污水，这种新技术理论上可以提供许多倍的能量,并且没有额外的温室气体排放。
    小题1:标题归纳题。根据用污水中微生物的燃料来发电，故选D。
    小题2:细节理解题。根据The new approach would produce significant amounts of electricity while effectively cleaning the wastewater,通过这种方法不仅能够发电而且还能净化污水，故选B。
    小题3:细节理解题。根据If this technology works on a commercial scale the way we believe it will ,the treatment of wastewater could be a huge energy producer, not a huge energy cost.可知他支持这个新技术，故选A。
    小题4:推理判断题。根据It treats the wastewater more effectively, and doesn’t have any of the environmental drawbacks of that technology,这种方法不仅能够更好地处理污水而且还很环保，故选A。
    点评：细节理解题是阅读理解题中必考的一种题型，其解题依据主要在阅读材料中找。笔者发现，这种题型可以用“重现”的方法来解答。所谓“重现”，就是指某一个单词或短语的同义、反义、上下义、同根词或原词在文中重复出现的现象。这种方法常用于解答完形填空，但用来解答阅读理解细节题也同样管用。细节理解题的重现指的是：正确答案选项语句中的单词或短语与阅读材料中的单词或短语构成一种重复出现的关系。它同样可以分为：同义、反义、上下义、同根词或原词。
    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

    Another day begins with the call of the phone’s alarm, Where are you? Open your eyes. Turn the alarm off and you will start working out on your apps（应用软件）.
    First stop, weather: Sunny day. Look outside the window. Oh, no, it isn’t. Second stop, Air Quality Index: 344, dangerous, Level 6 Severely Polluted. Mental recheck required: It really is a sunny day and the weather app isn’t lying or in need of being replaced, it’s just that you can’t see the sun through the thick fog. Note to self: Cycling to work is out, face mask is in.
    Has the world stopped turning? News app merely confirms that it’s business as usual. Another government has fallen, your soccer team has lost again, and China’s economy is still increasing steadily.
    Diary app informs you of all the things you failed to do the previous day and loads you up with another half-dozen tasks. Next, browse a couple of social networking apps to determine the status updates of friends.
    Another sound from the phone, it’s a message from your significant friend who is already at work, saying the Taobao. com order for Italian cheese is about to arrive.
    Apps have become part of our “every-moment” lives. Apps provide so much information. But the dark side to all this connectivity would be lack of privacy, being a slave to the app. The only real problem is that once you lose your smartphone, you lose your life.
    Some friends and family do not have smartphones, but prefer the old-fashioned Nokia that merely makes phone calls and sends instant messages. While I respect their purity and desire to be free of the control of technology, it’s obvious they are outsiders, and their lives are loaded up with paper and old devices. They’re still buying books at stores, complaining the lack of CDs on the market, watching TV and missing out on complete news cycles. Though I would add, they have lives that aren’t spent inside small screens.
    My phone is a palm-sized one-stop shop and about the only thing it doesn’t do is teleport（心灵运输）. What’s not to like?
    小题1:The functions of apps mentioned in the passage can be listed as follows EXCEPT that _______.
    A．the apps can show you weather forecast
    B．the apps can tell you how to work directly
    C．the apps can inform you the latest news
    D．the apps can tell you what you failed to do
    小题2: According to the passage, the author thinks that _______.
    A．people’s life is governed by apps
    B．people feel bored about the use of apps
    C．people can’t live without apps
    D．people hate apps with powerful functions
    小题3:It can be inferred from the last paragraph but one that _______.
    A．more and more people like Nokia more than apps
    B．using Nokia can be free of the control of technology
    C．all people don’t like the advanced smartphones
    D．ordinary people don’t like shopping online

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：阅读理解

    Not all bodies of water are so evidently alive as the Atlantic Ocean, an S-shaped body of water covering 33 million square miles. The Atlantic has, in a sense, replaced the Mediterranean as the inland sea of Western civilization. Unlike real inland seas, which seem strangely still, the Atlantic is rich in oceanic liveliness. It is perhaps not surprising that its vitality has been much written about by ancient poets.
    “Storm at Sea”, a short poem written around 700, is generally regarded as one of mankind’s earliest artistic representations of the Atlantic.
    When the wind is from the west
    All the waves that cannot rest
    To the east must thunder on
    Where the bright tree of the sun
    Is rooted in the ocean’s breast.
    As the poem suggests, the Atlantic is never dead and dull. It is an ocean that moves, impressively and endlessly. It makes all kinds of noise—it is forever thundering, boiling, crashing, and whistling.
    It is easy to imagine the Atlantic trying to draw breath—perhaps not so noticeably out in mid-ocean, but where it meets land, its waters bathing up and down a sandy beach. It mimics(模仿) nearly perfectly the steady breathing of a living creature. It is filled with symbiotic existences, too: unimaginable quantities of creatures, little and large alike, mix within its depths in a kind of oceanic harmony, giving to the waters a feeling of heartbeat, a kind of sub-ocean vitality. And it has a psychology. It has personalities: sometimes peaceful and pleasant, on rare occasions rough and wild; always it is strong and striking.
    小题1:Unlike real inland seas, the Atlantic Ocean is______.
    A．always energetic
    B．lacking in liveliness
    C．shaped like a square
    D．favored by ancient poets
    小题2:What is the purpose of using the poem “Storm at Sea” in the passage?
    A．To describe the movement of the waves.
    B．To show the strength of the storm.
    C．To represent the power of the ocean.
    D．To prove the vastness of the sea.
    小题3:What does the underlined word “symbiotic” mean?
    A．Living together.
    B．Growing fast.
    C．Moving harmoniously.
    D．Breathing peacefully.
    小题4:In the last paragraph, the Atlantic is compared to______.
    A．a beautiful and poetic place
    B．a flesh and blood person
    C．a wonderful world
    D．a lovely animal

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：完形填空

    Pay Attention to the Organization of an Article.
    Check Your Understanding.
    Lightning Speed Exercise
    Set Aside Time Each Day.
    Check Your Progress through Pacing
    Speed up When Necessary.
    小题1:______
    Most of us can find 15 minutes or half an hour each day for some specific regular activity. For example, one famous surgeon always made it a rule to spend at least 15 minutes on general reading before he went to sleep each day. Whether he went to bed at 10 p.m. or 2:30 a.m. made no difference.
    小题2:______
    Nearly all ‘speed reading’ courses have a ‘pacing’ element---some timing device which lets the students know how many words a minutes he is reading. You can do this simply by looking at your watch every 5 or 10 minutes and noting down the page number you have reached.
    小题3:______
    Obviously there is little point in increasing your reading speed if you do not understand what you are reading. If you find you have lost the thread of the story, or you can’t remember clearly the details of what was said, re-read the section or chapter.
    小题4:______
    Take four or five pages of an interesting book you happen to be reading at the time. Read them as fast as you possibly can. Do not bother about whether you understand or not. After a ‘lightning speed’ of reading, you will usually find that your ‘normal’ speed has increased.
    小题5:______
    Most paragraphs in an article have a ‘topic sentence’ which expresses the central ideas. The opening paragraph often suggests the general direction and content of the piece, while paragraphs that follow expand or support the first. The closing paragraph often summarizes the very essence(实质) of what has been said.

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：完形填空

    阅读下列短文，根据所读内容在短文后的表格中填入恰当的单词。注意：表格的每个空格只填一个单词。
    Educating girls quite possibly yields a higher rate of return than any other investment （投资）available in the developing world. Women's education may be unusual territory for economists（经济学家）, but enhancing women's contribution to development is actually as much an economic as a social issue. And economics（经济因素）, with its emphasis on incentives, provides guideposts that point to an explanation for why so many girls are deprived（剥夺）of an education.
    　　Parents in low-income countries fail to invest（投资）in their daughters because they do not expect them to make an economic contribution to the family: girls grow up only to marry into somebody else's family and bear children. Girls are thus seen as less valuable than boys and art kept at home to do housework while their brothers are sent to school - the prophecy （预言) becomes self- fulfilling, trapping women in a vicious circle (恶性循环) of neglect.
    　　An educated mother, on the other hand, has greater earning abilities outside the home and faces an entirely different set of choices. She is likely to have fewer but healthier children and can insist on the development of all her children, ensuring that her daughters are given a fair chance. The education of her daughters then makes it much more likely that the next generation of girls, as well as of boys, will be educated and healthy.
    Few will dispute that educating women has great social benefits. But it has enormous economic advantages as well. Most obviously, there is the direct effect of education on the wages of female workers. Wages rise by 10 to 20 per cent for each additional year of schooling. Such big returns are impressive by the standard of other available investments, but they are just the beginning. Educating women also has a significant impact on health practices, including family planning.
    Topic: The significance of female小题1:       in developing countries
    Opinion
    		Educating girls in more小题2:    than any other investment.
    Families
    		From low-income families
    		From educated mothers’ families
    Attitudes
    		Girls are of less小题3:         
    than boys.
    		Development should be for all小题4:
           .
    小题5:          
    		There is小题6:    invests ment in daughters.
    Girls are made to may at home, 小题7:
          housework.
    		Girls and boys have小题8:       
    chances.
    Significance
    		Educating girls小题9:     to social benefits, conceit advantages and health practices, including faruly planning.
    小题10:        
    		Educating girls in developing countries is important and rewarding.
     

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：阅读理解


    HIGHFIELD COMPREHENSIVE SCHOOL
    SCHOOL REPORT
    Form Teacher: G. Baker            Pupil’s Name:  Simon Watkins
    Term:        Summer 2012   Form:        Ⅳ B
    Subject
    		Exam
    		Class work
    		Comments
    English
    		59
    		61
    		Simon has reached a satisfactory standard but now needs to apply himself with more determination.
    Mathematics
    		77
    		85
    		Sound work and progress throughout the year. Well done!
    History
    		46
    		53
    		A disappointing exam result. He is unable to give attention to this subject for long.
    Chemistry
    		78
    		85
    		His obvious ability in the subject was not fully reflected in his exam work, but I have high hopes for him nevertheless.
    Physics
    		86
    		94
    		An excellent term’s performance. He goes from strength to strength. A born scientist, I feel.
    Biology
    		57
    		60
    		This time next year he will be taking the “0” exam. He needs to concentrate on the work, not on class conversation.
    French
    		41
    		46
    		Clearly he didn’t bother to revise. His general attitude is far too casual.
    Physical
    Education
    		/
    		31
    		Weak. It’s time he exercised his body more and his voice less. He should try to work with a team.
    FORM TEACHER’S REMARKS                     HEADMASTER
    Basically satisfactory work and progress              I shall be keeping an eye on though he will now have realized, I hope, that         his progress in his weaker    in certain subject areas he needs to make               subjects though his
    speedy progress.                           success in the sciences is improvement.
    小题1:According to the comments of the Physical Education teacher, Simon_______.
    A．is too talkative in the class
    B．likes to work with his classmates
    C．doesn’t exercise his body at the right time
    D．becomes weak because he doesn’t exercise at all
    小题2:Which of Simon’s subjects will attract the headmaster’s attention in future?
    A．Biology and Maths. B．History and French.
    C．English and Chemistry.D．Physics and Physical Education.
    小题3:Which of the following statements best describes Simon?
    A．He has made great progress in language classes.
    B．His potential has been fully reflected in science classes.
    C．His grade in maths makes him a born scientist.
    D．He needs to improve his attitude on certain subjects.
    小题4: Based on the school report, which of the following statements is true?
    A．Simon didn’t bother his teacher to revise French.
    B．Basically, Simon did a good job in science.
    C．Simon is a determined learner in English.
    D．Simon is able to pay attention to history for long.

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：阅读理解


    Annalisee Brasil, a 14-year-old girl, is one of the brightest kids of her generation. When Annalisee was 3, her mother Angi noticed that she was stringing together word cards into correct sentences. After the girl turned 6, her mother took her for an IQ text. Her IQ is above 145, placing the girl in the top 0.1% of the population. Annalisee should be the star pupil at school. She is witty and pretty, and it’s easy to imagine she would get along well at school. But Annalisee’s parents couldn’t find a school willing to take their daughter. So her mother homeschooled Annalisee.
    But Angi felt something was missing in her daughter’s life. Annalisee didn’t have a rich social network of other kids. She had trouble getting along with others. She described herself as a “perfectionist” and said other students sometimes were jealous of her.
    What’s needed is a new model for gifted education. That’s the idea behind the Davidson Academy of Nevada. At the academy, all the kids are skipping ahead quickly. However, the academy’s most important gift to its students is social, not academic. One of the main functions of the school is to provide a good social setting for the highly gifted.
    Last year the school enrolled Annalisee, which has been good for her. She has made friends at the academy. She has also developed an interest in calculus(微积分) and biochemistry(生物化学). Socially, Annalisee is finally learning to get along with others. “It’s been interesting having to deal with that and getting used to the judgments of other kinds,” she said. “We get into arguments a lot, because we’re all really smart people with opinions, and it doesn’t always turn out that great. Sometimes I take things a little too personally.”
    What is the passage mainly about?
    Annalisee Brasil——the star pupil at school.
    A smart girl who entered a proper school and benefited from gifted education.
    A smart girl who had trouble getting along with others.
    A girl who was too smart to find a suitable school.
    小题1:The word “perfectionist” in paragraph two probably means a person who _________.
    A．is smarter than others
    B．is always favored by teachers
    C．can do everything well and has strong demands
    D．is accepted by others as a good leader
    小题2:According to the passage, which of the following is true?
    A．At the age of 3, Annalisee took an IQ test, in which she scored above 145.
    B．Finding no school willing to take Annalisee, her father had to homschool her.
    C．The Davidson Academy of Nevada emphasizes social gift more than academic gift.
    D．After being enrolled by the academy, Annalisee enjoyed her school life without ant argument with her classmates.
    小题3:What can you infer from the passage?
    A．Annalisee has realized her problem and is gradually changing her attitude towards others.
    B．One of the main functions of the gifted education is to provide a good social setting for the highly gifted.
    C．Without the academy, Annalisee couldn’t have learnt so much.
    D． Like Annalisee, many other smart kids also have the similar trouble.

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：阅读理解

    Farmers can produce more by planting several different crops in the same field.But their success depends on which crops they plant together and how they mix (混合) them in the filed.In the past, the only way the farmers could learn which crops grow best together is to plant them and wait for the results.Now, however, a computer can give them answers.A new computer program written by Dr John Vanderwell of Michigan University can tell a farmer which plants grow well together and which do not.It can tell him how to plant the different crops; if he should plant each in a separate row, or mix the crops in the same row.It can tell the farmer how changes in planting each of the crops will affect the production of all of them.And it can tell him which plants can help reduce losses (损失) from diseases.
    小题1:Which of the following best gives the main idea of the passage?
    A．Computer helps find the best program for mixing plants.
    B．Computer helps produce more crops.
    C．Computer helps protect against insects and diseases.
    D．Computer helps grow different plants.
    小题2:According to the passage, to get the best result, one needs to choose carefully ________.
    A．the kinds of crops to be planted together
    B．the way for different crops to be mixed
    C．both A and B
    D．either A or B
    小题3:It seems the new computer program can NOT tell us ________.
    A．whether we should grow cotton and tomato together
    B．how we should plant cotton and tomato together
    C．what will happen if we grow potato, instead of tomato, together with cotton
    D．how we can grow rice in the tomato field
    小题4:The new computer program seems most useful in saving us ________.
    A．man powerB．seedsC．timeD．land
    小题5:Which of the following is NOT true?
    A．Computers can tell farmers how many plants can grow together.
    B．With the help of computers farmers don't have to do a lot of work.
    C．With the help of computers farmers can get better results.
    D．The change of one plant may cause a change in production.

    查看答案和解析>>

    科目：高中英语 来源：不详 题型：阅读理解

    Scientists in Mexico have just begun a new study of one of the world’s biggest pyramids: the Pyramid of the Sun, north of Mexico City. They’re putting lots of small, high-tech machines under the pyramid to try to unlock some of its secrets. For thousands of years, people have tried to uncover the secrets of the pyramids.
    The people who built the pyramids made lots of secret doors and rooms to stop robbers from finding the treasures inside. However, there always have been some smart thieves in history. Now, almost all of Egypt’s pyramids have been robbed, including the Great Pyramid of Khufu, which is the largest pyramid in the world. It is the only one of the ancient wonders of the world that is still standing.
    In AD 820, an Arab king named Abdullah AL Manum got a group of workers to dig their way into the Great Pyramid and have a look. Inside the pyramid, they found three rooms --- the Queen’s Chamber, the Grand Gallery and the King’s Chamber. But to their surprise, the men didn’t find the treasures they wanted. The Queen’s and King’s Chambers were both empty! Where were the King’s mummy and his treasures? Had someone already taken them away? The huge stone doors at the pyramid’s entrance were still closed when AL Manum’s men went inside. How had the thieves got in and out?
    Since then, many people have gone inside the Great Pyramid to have a look or to try to take things. But still, no other chambers or walkways have been found.
    In 2002, an American team made the most recent visit to the Great Pyramid. Scientists sent a robot into the pyramid, but they only found a mysterious locked stone door.
    小题1:The first two paragraphs were written to show that ________.
    A．the Pyramid of the Sun is an unusual historic building
    B．ancient Egyptian emperors were cruel
    C．construction workers led a hard life in ancient Egypt
    D．the secrets of the pyramids remain to be uncovered
    小题2:What is the purpose of making some secret doors to the pyramids?
    A．To try to unlock some of its secrets.
    B．To stop robbers from finding the treasures inside.
    C．To refuse some visitors all over the world into it.
    D．To tell the truth to the people in the future.
    小题3:Which of the following is NOT true to the Great Pyramid of Khufu?
    A．It is the largest pyramid in the world.
    B．It is the only one of the ancient wonders that is still standing.
    C．Abdullah AL Manum took the King’s mummy and his treasures away.
    D．Scientists found a mysterious locked stone door to the Great Pyramid.
    小题4:What would be the best title for the text?
    A．The Pyramid of the Sun
    B．The Great Pyramid of Khufu
    C．A Mysterious Locked Stone Door
    D．Unlocking the Doors of History

    查看答案和解析>>

    同步练习册答案