Nuclear energy has always been controversial. But since the tsunami and nuclear disaster in Fukushima (Japan) last year the issue is back in the headlines. And the world is divided— some countries are planning more nuclear plants, while others have promised to shut theirs down.
After Fukushima, Germany decided to switch off all its nuclear plants by 2022. Switzerland and Italy are also phasing out nuclear power. But France and the United States remain staunch supporters of atomic energy. In fact, almost 80% of France’s electricity comes from nuclear power, the highest percentage in the world. And in the US, the Obama administration said it “continues to support the expansion of nuclear power, despite the crisis in Japan.”
Nuclear supporters claim nuclear power can help the environment. Unlike fossil fuels, nuclear power doesn’t create greenhouse gases. So, pro-nuclear countries argue that nuclear power allows them to generate energy without contributing to climate change. Britain’s chief scientific adviser (John Beddington) supports this view. He recently said that the world doesn’t have the luxury of ignoring nuclear energy.
Nuclear power is also relatively cheap. Renewable energy sources such as solar, hydro and wind power may be clean, but they’re expensive; and right now, they require a lot of investment. This higher cost of using “green energy” is usually passed onto the consumer. So, while many people may prefer their energy to come from a renewable source, not so many are prepared to pay higher energy bills. This is of particular concern while the world economy is in such bad shape.
The main argument against nuclear energy is that it isn’t safe. For a start, nuclear waste is very difficult to dispose of, and remains toxic to humans for thousands of years. And even before Fukushima, there were several high-profile nuclear disasters. The most famous is probably the 1986 Chernobyl disaster, in the Ukraine. The radiation from the meltdown spread all over Europe, affecting thousands.
The nuclear energy issue is very complex. And it doesn’t look like it’ll be resolved anytime soon. As a Japanese commentator recently said, “it’s been a bad year for the ‘nuclear village’, but I don’t think they’re down and out yet.” The battle continues.
小題1:Which of the following may NOT be the advantage of nuclear energy over other energy sources?
A．Nuclear energy doesn’t produce any greenhouse gases.
B．Nuclear energy can help prevent the climate damage.
C．Nuclear energy is more environmental-friendly than other green energy sources.
D．Nuclear energy can save the consumers some money, compared to other renewable energies.
小題2:What does the underlined word “this” refer to in paragraph 4?
A．The fact that many people prefer to use the green energy sources while unwilling to pay higher bill.
B．The cost of using renewable sources
C．The fact that the nuclear power is cheaper.
D．The investment of renewable energy sources
小題3:We can learn from the last paragraph that _______.
A．the Japanese commentator is positive about the future of nuclear energy
B．the nuclear energy issue will be soon settled
C．a(chǎn) battle will break out in the future
D．Japan is considering to build a nuclear village in the future
小題4:What is the author’s purpose of writing the passage?
A．To highlight the danger of using nuclear energy.
B．To introduce some serious nuclear disasters.
C．To show the argument between nuclear supporters and protesters.
D．To give some advice on how to use nuclear energy safely.

小題1:C
小題2:B
小題3:A
小題4:C
自從日本核泄漏以來，世界上有很多的爭論，文章客觀的向讀者展現(xiàn)了這一問題。
小題1:細節(jié)題。根據(jù)文章第3段可知AB是核能的優(yōu)勢，第4段可知D也是優(yōu)勢。C項表述錯誤，核能并不必綠色能源環(huán)保。
小題2:考查代詞。這里的this指代上文提及的This higher cost of using “green energy”，指這種高成本會被加到消費者身上。
小題3:推理題。根據(jù)最后一段的I don’t think they’re down and out yet.”說明這個人對核能的前景是樂觀的。
小題4:寫作意圖題。文章客觀的向我們解釋了人們對于核能的爭論。
練習冊系列答案
相關(guān)習題

科目：高中英語 來源：不詳 題型：完形填空

The teacher thought hobbies were very important for every child. She  36  all her pupils to have one, and sometimes  37  for their parents to come and see the work they had done as a result.
One Friday  38  the teacher told the class that those who had a hobby could have a  39  that afternoon to get the things they had made as parts of their hobbies ready for their  40  to see the following afternoon.
So in the afternoon, while those of the pupils who had nothing to  41  did their usual lessons, the lucky ones who had made something  42  to go home, on condition that they  43 before five o'clock to bring what they were going to show and to arrange it.
When the afternoon lesson began, the teacher was  44  to see Tommy was not there. He was the  45  boy in the class, and the teacher found it  46  to believe he had a hobby. However, at 4:45, Tommy arrived with a(n)  47  collection of butterflies in glass cases. After his  48  had admired them and helped him to arrange them on a table in the classroom, she was surprised to see Tommy  49  them up again and begin to leave.
"What are you doing, Tommy?" she asked. "Those things must  50  here until tomorrow afternoon. That's when the parents are coming to see them."
"I know  51 ," answered Tommy, "and I will bring them back tomorrow; but my  52  doesn't want them to be out of our house at night in case they are  53 ."
"But what has it got to do with your brother?" asked the teacher. "Aren't the butterflies yours?"
"No," answered Tommy. "They belong to him."
"But Tommy, you are  54  to show your own hobby here, not somebody else's!" said the teacher.
"I know that," answered Tommy. "My hobby is  55  my brother collecting butterflies."
小題1:
A．stoppedB．orderedC．encouragedD．a(chǎn)greed
小題2:
A．a(chǎn)rranged B．a(chǎn)skedC．lookedD．waited
小題3:
A．a(chǎn)fternoonB．eveningC．night D．morning
小題4:
A．testB．lessonC．competitionD．holiday
小題5:
A．teachersB．parentsC．friendsD．classmates
小題6:
A．presentB．doC．seeD．eat
小題7:
A．had B．usedC．were madeD．were allowed
小題8:
A．turned outB．returnedC．leftD．finished
小題9:
A．sadB．happyC．frightenedD．surprised
小題10:
A．laziestB．most curiousC．cleverestD．youngest
小題11:
A．difficultB．easyC．reliableD．disable
小題12:
A．uglyB．smallC．beautifulD．obvious
小題13:
A．classmatesB．brotherC．fatherD．teacher
小題14:
A．throwB．pick C．switchD．use
小題15:
A．remain B．leaveC．observeD．undertake
小題16:
A．themB．himC．thatD．this
小題17:
A．sisterB．friendC．brotherD．mother
小題18:
A．stolenB．shownC．completedD．matched
小題19:
A．firedB．supposedC．relatedD．ignored
小題20:
A．helpingB．concerningC．watchingD．Seeking

查看答案和解析>>

科目：高中英語 來源：不詳 題型：閱讀理解

According to US research, it can take up to ten years to become a near-native English speaker. Asian and Spanish students took between five and ten years to reach native speaker performance in English-only schools. Fluency obviously doesn’t happen overnight. But time can definitely make you a better speaker.
After testing his own memory, German psychologist Hermann Ebbinghaus discovered that humans forget most of what they learn in the first 20 minutes.
So cramming right before a speaking exam is not likely to be as effective as practicing regularly over time. The more you practice, the more familiar new words will become. In the classroom, studies have also shown that repeating oral tasks improves a speaker’s performance.
One of the best repetition exercises is the 4/3/2 technique. Speakers give the same talk to three different listeners with a progressive decrease in delivery time, starting at four minutes, then three, and finally two minutes. This exercise has been proven to help learners speak faster. It can also result in less hesitation and more grammatical accuracy. While time dose make a difference when it comes to speaking perfect English, it would not hurt to brush up on your other language skills.
Studies have also shown that reading can increase your speaking vocabulary. After one month of an extensive reading program, a 27-year-old student of French became more familiar with 65 percent of the new words.
Aside from choosing the right learning methods, having certain personality traits may also help. US linguistics expert Stephen Krashen believes those with high motivation, self-confidence and a low level of anxiety are better equipped for speaking success.
Krashen says students who don’t have these qualities are more likely to have a “mental block”. “Even if they understand the message, the input will not reach the part of the brain responsible for language acquisition,” he writes in his book Principles and Practice in second Language Acquisition.
小題1:According to the passage, if you want to be a near-native speaker, you need _____.
A．long-term speaking practice and much reading
B．speaking practice for ten years only
C．long-term speaking practice, much reading and certain qualities
D．cramming new words every day
小題2:The author put forward the 4/3/2 technique just to show that _____.
A．you should speak to 3 different people
B．you should speak to 3 different people at 3 different times
C．it can prevent you from making grammar mistakes
D．it is really a good way to make you a better speaker
小題3:The example of a 27-year-old student of French in the passage mainly means that _____.
A．reading can enlarge your vocabulary for your speaking
B．reading can make you memorize just 65 percent of the new words
C．the 27-year-old student of French is very clever
D．in one month, you can improve your speaking ability
小題4:The underlined phrase “l(fā)inguistics expert” means a person who is quite expert at _____.
A．languagesB．spoken language
C．scientific researchD．teaching English

查看答案和解析>>

科目：高中英語 來源：不詳 題型：閱讀理解

A new era is upon us. Call it what you will: the service economy, the information age, the knowledge society. It has changed the way we work. Already we’re partly there. The percentage of people who earn their living by making things has fallen dramatically in the Western World. Today the majority of jobs in America, Europe and Japan (two thirds or more in many of these countries) are in the service industry, and the number is on the rise. More women are in the work force than ever before. There are more part-time jobs. More people are self-employed. But the breadth (廣度) of the economic transformation can’t be measured by numbers alone, because it also is giving rise to a basic new way of thinking about the nature of work itself. Long-held concepts about jobs and careers, the skills needed to succeed, even the relation between individuals and employers — all these are being challenged.
We have only to look behind us to get some sense of what may lie ahead. No one looking ahead 20 years possibly could have foreseen the ways in which a single invention, the chip (芯片), would transform our world thanks to its applications in personal computers, digital communications and factory robots. Tomorrow’s achievements in biotechnology, artificial intelligence or even some still unimagined technology could produce a similar wave of dramatic changes. But one thing is certain: information and knowledge will become even more important, and the people who possess it, whether they work in manufacturing (制造業(yè)) or services, will have the advantage and produce the wealth. Computer knowledge will become as basic a requirement as the ability to read and write. The ability to solve problems by applying information instead of performing routine tasks will be valued above all else. If you cast your mind ahead 10 years, information services will be predominant (最重要的). It will be the way you do your job.
小題1:One of the great changes caused by the knowledge society is that ______.
A．most people have to take part-time jobs
B．people have to change their jobs from time to time
C．people’s traditional concepts about work are no longer completely true
D．the difference between the employee and the employer has become unimportant
小題2:The future will probably belong to those who ______.
A．have more brains
B．a(chǎn)re involved in the service industries
C．cast their mind ahead instead of looking back
D．possess and know how to make use of information
小題3:Which of the following would be the best title of the passage?
A．Computers and the knowledge society
B．Features and meanings of the New Era
C．Service Industries in the Modern Society
D．Rapid Advancement of Information Technology

查看答案和解析>>

科目：高中英語 來源：不詳 題型：閱讀理解

When most people think of giant pandas, the pictures of the cute, black-and-white bears from China that eat bamboo will immediately jump into their mind. Scientists from Mississippi State University, however, are interested in what they leave behind: their poop(排泄物). At a recent meeting in Denver, Professor Brown at the university presented her research showing how panda poop could inspire a new way to obtain energy from plants, which are a renewable energy source. Usually, plants can be called biomass(有機燃料) when they are used as an energy source.
Burning biomass is one way to capture its energy, but Brown hopes panda poop can teach scientists something about breaking down biomass. Pandas—or at least the bacteria in their stomachs—are very good at getting energy out of bamboo. Unlike cows, which use 4 stomachs to digest large amounts of grass, a panda has only one stomach. Bamboo comes in, and poop goes out.
Every day for 14 months, Brown and her team on this project, counted the bacteria in the poop of the two pandas, YaYa and LeLe living at the Memphis Zoo. Her studies turned up 12 species of bacteria that break down biomass, including one that had never been found in pandas. Brown says that because the poop contains bacteria that break down biomass, it could also be used to break down other types of biomass.
Now the scientists hope to identify the chemicals that help with the process of breaking down biomass and then figure out how the bacteria work. If those chemicals can be made in the lab, they could be used to turn biomass—like grass or other plants—into fuel.
Brown says she doesn’t mind handling panda poop. “It’s probably the most pleasant material to work with,” she says, “My colleagues and I have been working with other poop for a long time, and we can assure you it has a fairly pleasant smell associated with it.”
小題1:The importance of studying panda poop is _______.
A．to create a renewable energy from plants
B．to explore a new way to get energy from plants
C．to learn a lesson of energy from panda poop
D．to figure out how the bacteria work for us mankind
小題2:The process of the panda poop project can be described as ______.
a. Identify the chemicals helpful to break down biomass.
b. Find the bacteria in panda poop which break down bamboo.
c. Reproduce the chemicals in the lab to turn biomass into energy.
d. Analyze how the bacteria in panda poop work in panda’s stomach.
A. a, b, d, c          B. a, d, c, b          C. b, a, d, c          D. b, d, a, c
小題3:What does the author mainly want to express in the 2nd paragraph?
A．Pandas don’t digest bamboo the same way as cows.
B．Pandas are capable of getting energy using stomachs.
C．Pandas can get energy from bamboo more efficiently.
D．Scientists have learnt something new from panda poop.
小題4:What does Professor Brown think of working with panda poop?
A．SickB．ChallengingC．InspiringD．Enjoyable

查看答案和解析>>

科目：高中英語 來源：不詳 題型：閱讀理解

Recently Dr. Cleiman has proved that everyone has a daily energy cycle. During the hours when you labor (work) through your work, you may say that you are “hot”. That is true, the time of day when you feel most energetic is when your cycle of body temperature is at its peak (頂峰). For some people the peak comes during the forenoon (上午前). For others it comes in the afternoon or evening. No one has discovered why this is so.
Much family quarrelling ends when husbands and wives realize what this energy cycle means and which cycle each member of the family has.
You cannot change your cycle, but you can learn to make your life fit it better. “Habits can help,” Dr. Cleiman believes. If your energy cycle is low in the morning but you have an important job early in the day, rise before your usual hour, and then you will work better at your low point.
Get off to a slow start which saves your energy. Get up with a lazy yawn(哈欠) and stretch(伸展). Sit on the edge of bed before putting your feet on the floor. Avoid the troublesome searching for clean clothes by laying them out the night before.
小題1:Dr. Cleiman did not explain in the passage ___________.
A．how people can make their life fit their cycle
B．whether everyone has a daily cycle or not
C．why people have their energy cycle at different times
D．what will happen in the family if the couple fail to realize which cycle each member has
小題2:For what reason may husbands and wives quarrel with each other?
A．Either of them gets up late in the morning.
B．Husbands and wives have different cycles of energy.
C．Either of them wants to change the cycle of the other’s.
D．They do not know which cycle they themselves have.
小題3:According to the passage, ____________.
A．one works better at one’s peak energy point
B．if you know your cycle you can change it to fit your life.
C．whenever you feel hot, your energy cycle reaches the highest
D．your energy cycle must be in the morning if you can get up early
小題4:Which of the following can save your energy in the morning?
A．Getting up late.
B．Jumping out of bed as quickly as possible.
C．Looking for clean clothes.
D．Sitting for a while before getting out of bed.

查看答案和解析>>

科目：高中英語 來源：不詳 題型：閱讀理解

From good reading we can derive pleasure, companionship, experience, and instruction. A good book may absorb our attention so completely that for the time being we forget our surroundings and even our identity. Reading good books is one of the greatest pleasures in life. It increases our contentment when we are cheerful, and lessens our troubles when we are sad. Whatever may be our main purpose in reading, our contact with good books should never fail to give us enjoyment and satisfaction.
With a good book in our hands we need never be lonely. Whether the characters portrayed are taken from real life or are purely imaginary, they may become our companions and friends. In the pages of books we can walk with the wise and the good of all lands and all times. The people we meet in books may delight us either because they resemble human friends whom we hold dear or because they present unfamiliar types whom we are glad to welcome as new acquaintances. Our human friends sometimes may bore us, but the friends we make in books need never weary us with their company. By turning the page we can dismiss them without any fear of hurting their feelings. When human friends desert us, good books are always ready to give us friendship, sympathy, and encouragement. One of the most valuable gifts bestowed by books is experience. Few of us can travel far from home or have a wide range of experiences, but all of us can lead varied lives through the pages of books. Whether we wish to escape from the seemingly dull realities of everyday life or whether we long to visit some far-off place, a book will help us when nothing else can. To travel by book we need no bank account to pay our way; no airship or ocean liner or stream-lined train to transport us; no passport to enter the land of our heart's desire. Through books we may get the thrill of hazardous adventure without danger. We can climb lofty mountains, brave the perils of an Antarctic winter, or cross the scorching sands of the desert, all without hardship. In books we may visit the studios of Hollywood; we may mingle with the gay throngs of the Paris boulevards; we may join the picturesque peasants in an Alpine village or the kindly natives on a South Sea island. Indeed, through books the whole world is ours for the asking. The possibilities of our literary experiences are almost unlimited. The beauties of nature, the enjoyment of music, the treasures of art, the triumphs of architecture, the marvels of engineering, are all open to the wonder and enjoyment of those who read.
小題1:Why is it that we sometimes forget our surroundings and even our identity while reading?
A．No one has come to disturb you.
B．Everything is so quiet and calm around you.
C．The book you are reading is so interesting and attractive.
D．Your book is overdue; you are finishing it at a very fast speed.
小題2:How would you account for the fact that people like their acquaintances in books even more?
A．They resemble human friends exactly.
B．They are unfamiliar types we like.
C．They never desert us.
D．They never hurt our feelings.
小題3:Which of the following is true?
A．Your wish to visit some far-off place can be realized through the pages of the books.
B．To escape from the dull realities of everyday life you should take up reading.
C．Books can always help you to live a colorful life.
D．You may obtain valuable experience from reading good books.
小題4: The word “weary” means ______.
A．“to attract someone’s attention”
B．“to distract someone’s attention”
C．“to make someone very tired”
D．“to make someone interested”
小題5:“... the whole world is ours for the asking” implies that ____________.
A．in books the world is more accessible to us
B．we can ask to go anywhere in the world
C．we can make a claim to everything in this world
D．we can make a round-the-world trip free of charge

查看答案和解析>>

科目：高中英語 來源：不詳 題型：閱讀理解

Have you ever wondered why the roots of the plants always know which way to grow—into the soil but not above it? Some British scientists have recently solved this mystery.
It turns out that roots have special hairs that tie them into the soil and help them grow their way past obstacles, a team at the John Inners Center in Norwich reports in the February 29 issue of Journal Science.
“The key is in the fuzzy(有絨毛的)coat of hairs on the roots of plants,” says professor Liam Dolan. “We have found a growth control system that enables these hairs to find their way and to become longer when their path is clear.”
Root hairs explore the soil in much the same way a person would feel their way in the dark. If they come across an obstacle, they make their way around until they can continue growing in an opening. In the meantime, the plant is held in place as the hairs grip(緊緊抓住)the soil.
The hairs are guided by a clever chemical trick. A protein(蛋白質(zhì)) at the tip of the root hairs called RHD2 helps them to take calcium(鈣) from the soil. Calcium makes the hairs grow, and produce more RHD2, and take more calcium.
But when an obstacle blocks the hair’s path, or the hair reaches the surface of the soil, the cycle is broken and growth starts in another direction.
This system gives plants the flexibility to explore a complex environment and to live in even the most unpromising soils, says Dolan.
In poor soils such as in parts of Australia and Africa, native plants have adapted by producing enormous numbers of root hairs. A better understanding of this adaptation will allow scientists to develop hairy rooted crops that can grow in unfriendly environments.
According to Dolan, “Research in the John Inners Center is taking a breeding approach to increase hair length in wheat but it will be some time before new cultivars(栽培變種) are developed.”
小題1:The passage is mainly about _______.
A．why the roots of plants grow into the soil but not above it
B．how the roots of plants grow into the soil but not above it
C．the process of plants growth
D．a(chǎn) growth control system of plants
小題2:How does the circle work?
A．RHD2 takes calcium from the soil, which makes hairs grow, and produce RHD2 and take more calcium
B．Roots take RHD2 and calcium from the soil and produce RHD2
C．Roots make hairs grow, and produce RHD2, and take more calcium
D．RHD2 takes protein, which makes hairs grow, and produce RHD2, and take more calcium
小題3:We can infer from the last paragraph that ________.
A．hairy rooted crops can grow better in unfriendly environments
B．a(chǎn) new cultivar of wheat with long hair has been developed by scientists
C．a(chǎn) new cultivar of wheat with long hair is still on test
D．the roots of plants always know which way to grow

查看答案和解析>>

科目：高中英語 來源：不詳 題型：完形填空

All children in the United States have to receive an education, but not all children go to school. A number of parents　　36　not to send their children to school. Such children are known　　37　　 “home-schoolers”. Some parents prefer teaching their children at home　　38 they do not believe schools teach the correct religious (宗教的)　　39 ; others believe they can provide a better educational　　40 for their children by doing so.　　41 , results show home-schooled children often do better than 　　42 on national tests in reading and math.
　　David teaches his three children at home. He 　　43　that his children learn very differently from children in school. Learning starts with the children’s　　44　and questions. For example, when there is snowfall on a winter day, it may　　45　a discussion about climate, snow removal 　　46 , Alaska, etc. Or a spring evening when the family is out　47　the stars is a good time to ask questions about the sky. If the Brazilian rain forests are on TV, it　48　　be a perfect time to talk about how rain forests influence the climate, how deserts are　49　　and how the polar ice caps　50 ocean levels.
　Home schooling is often more interesting than　　51　schools, but critics (批評家) say home-schoolers might be uncomfortable　　52　 with other people in adult life. Critics also say that most parents are not　53　to teach their children. However, most parents don’t have the time or the　　54　to teach their children at home, so schools will continue to be　　55　　most children get their formal education.
小題1:
A．considerB．prefer　　　　C．provideD．suggest
小題2:
A．for　　　　B．toC．a(chǎn)s　　　　　　D．in
小題3:
A．because　　B．forC．thoughD．while
小題4:
A．a(chǎn)ctivitiesB．usesC．thoughtsD．values
小題5:
A．experienceB．knowledgeC．behaviorD．way
小題6:
A．SadlyB．ActuallyC．UnbelievablyD．Happily
小題7:
A．normalB．ordinaryC．common　　　　　D．a(chǎn)verage
小題8:
A．believesB．saysC．offers　　　　　　D．imagines
小題9:
A．interestsB．discussionC．needsD．hobbies
小題10:
A．carryB．openC．lead　　　　　　D．start
小題11:
A．furnitureB．equipmentC．toolD．maker
小題12:
A．seeingB．lookingC．watchingD．noticing
小題13:
A．needB．mustC．oughtD．could
小題14:
A．a(chǎn)ppearedB．formedC．inventedD．built
小題15:
A．a(chǎn)ffectB．decideC．makeD．determine
小題16:
A．outsideB．expensiveC．informalD．regular
小題17:
A．livingB．matchingC．mixingD．connecting
小題18:
A．fit　　　　B．a(chǎn)daptedC．a(chǎn)vailableD．good
小題19:
A．moneyB．desireC．hopeD．demand
小題20:
A．whyB．howC．whenD．where

查看答案和解析>>

同步練習冊答案