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I give two examples as to why intelligent life may not actually exist, though I admit that for me, or even for a physicist who devoted his or her entire life to researching and studying the universe, it"s shocking to claim that completely no life exists elsewhere.
Keeping that in mind, I"d just like to consider conditions elsewhere in the known universe. You really only need to look at our own solar system or the Earth at certain periods in its own history to appreciate that most places are much worse and much less suitable for life than our mild, watery globe.
So far, space scientists have discovered about seventy planets outside the solar. But it appears that if you wish to have a planet suitable for life, you just have to be very lucky, and the more advanced the life is, the luckier you"ll have to be. I"m by no means a space observer, but I can recognize some particularly fortunate breaks we"ve had on the Earth. For example:
We are, to a degree, at the right distance from the perfect type of star, the one that is big enough to radiate a huge amount of energy, but not so big as to bum itself out quickly. Had our sun been ten times as huge, it would have burnt out completely after only ten million years, instead of ten billion and surely we would not exist. Too near, everything on the Earth would have boiled and withered away; any further, everything would have frozen over.
The universe is a surprising place, and our existence within it is a wonder. If a long and unimaginably complex sequence of events dating back 4.6 billion years or so hadn"t happened in a particular manner at a particular time --if, to take just one example, the dinosaurs hadn"t been wiped out by a meteor(流星)--we might still be a few centimeters long, with whisker(胡须) and a tail, and you"ll be reading this in a cave somewhere.
小题1:What"s the best title for this passage?
A.No Life Exists out of the Earth
B.Seventy Planets Discovered
C.A Place Full of Wonders
D.Perfect Conditions for Life
小题2:What makes the Earth more suitable for life than other planets in the solar system?
A.The Earth is the only planet that can receive energy from the sun.
B.The sun is at the right distance from us and in proper size.
C.The distance between the planets was neither too long nor too near.
D.The dinosaurs were no longer a threat to the Earth.
小题3:What does the underlined phrase "withered away" in the 4th paragraph mean?
A.Exploded.B.Expanded.C.Floated away.D.Dried and died.
小题4:Where does the text probably come from?
A.A history book.B.A magazine.C.A science fiction.D.A famous novel.

答案

小题1:A
小题2:B
小题3:D
小题4:B
解析

试题解析:本文叙述了作者的观点:除了地球之外再也没有星球上有生命存在,对此展开叙述,说明理由。
小题1:A主旨大意题。根据第一段最后一句话是点题句:it"s shocking to claim that completely no life exists elsewhere.声称完全没有生命存在于其它令人震惊,下文就此展开叙述,所以A正确。
小题2:B细节理解题。根据第四段第一句话We are, to a degree, at the right distance from the perfect type of star, the one that is big enough to radiate a huge amount of energy, but not so big as to bum itself out quickly在某种程度上我们距离这颗恒星在一个适当的距离,这个距离对于释放出巨大的能量是足够大的,但又不大到燃烧我们自己。所以B正确。
小题3:D词义猜测题。根据这个词的前后内容:Too near, everything on the Earth would have boiled and withered away; any further, everything would have frozen over.太近,地球上的所有都会被煮沸,再远一点,一切又会被结冰,所以本词与煮沸并列和相近,所以D正确。
小题4:B推理判断题。A. A history book历史书.B. A magazine.杂志   C. A science fiction.科幻小说 D. A famous novel.著名的小说。通读全文可以知道不属于历史,不是科幻,更不是小说,是一项科研成果:除了地球之外,再也没有生命存在,一个刊登在杂志上,所以B正确。
核心考点
试题【I give two examples as to why intelligent life may not actually exist, though I 】;主要考察你对题材分类等知识点的理解。[详细]
举一反三
U.S. Bottled Water Sales Are Booming Again Despite Opposition
Despite organized anti-bottled-water campaigns across the country and a noisy debate about bottled water’s environmental impact, Americans are buying more bottled water than ever.
Why do so many people seem to think they should have any input on what other American’s choose to buy or do?
If they want to buy bottled water, let them.
If they want to eat fast food, let them.
If they want to smoke pot, let them.
— Barackalypse
People just get tired of paying for others’ bad behavior. If many people eat excessive fast food, you pay higher insurance premiums. If many people frequently buy bottled water, your trash bills go up and landfills fill up quickly.
It’s about personal responsibility, which really should be a cornerstone of libertarianism.
— Bdbr
So? This is the price you pay to live in a free society. You want to control the life of another just so you can save a few bucks? What would you say when someone do the same to you?
— Norman619
Defend selfish pricks all you like; I’m just glad there are still people who still believe personal responsibility is a good and decent thing. We make your life cheaper and less bothersome.
— Yoyo
What a waste of money! It’s fine when you’re on the road and you need a cold drink, but people who buy cases of bottled water for home are completely crazy.
— Agmlauncher
I wish we all can find a way to improve things and benefit from this. The environment needs a lot of help but businesses will always work on what people would need and demand. Is this part of the balance? Hope we can find better ways.
— Skipweis
小题1:What can we know about bottled water in America?
A.Americans are consuming more bottled water than tap.
B.US bottled water sales have increased for the first time.
C.Activists in several regions have been fighting against it.
D.Some people worry about its bad effect on the environment.
小题2:Who would agree with Barackalypse on this matter?
A.Bdbr. B.Norman619.C.Yoyo.D.Agmlauncher.
小题3:According to the text, Agmlauncher is _____ bottled water.
A.partly supportive ofB.extremely against
C.strongly in favor ofD.not concerned about
小题4:Which of the following statements goes with Skipweis’ opinion?
A.The environment is emphasized too much.
B.It’s impossible for people to find a better way.
C.Business is not totally responsible for the problem.
D.At present we can’t benefit from bottled water at all.

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Every English learner hopes to find a patient native speaker who will politely correct mistakes and teach him some useful new vocabulary. But native speakers can be hard to find. If you’re having trouble communicating in English, American situation comedies are one good way to help.
They can not only give you a lot of information about American culture, but also offer some useful daily expressions. Watching them will help you enlarge your vocabulary and teach you correct language usage in different situations. Best of all, situation comedies are a fun way to learn.
The Apprentice
The American reality (现实) TV show is hosted by the famous businessman Donald Trump. It’s based on the idea of the final job interview for the final job. The show picks 16 people to compete for a job with Trump’s business. Those who fail their weekly tasks have to meet with Trump. They have to explain why they should not be fired (解雇).
The Apprentice is useful for English students who want to learn how to make up a persuasive (令人信服的) argument. For example, rather than say “I think I did a good job”, one may also learn to throw off the possibility of uncertainty by saying, “I did a good job.”
Desperate Housewives (DH)
Desperate Housewives is set in an invented American town, Wisteria Lane. It follows a group of middle-aged women as they go through their daily family lives. But in fact, those women live a life of lies, secrets, criminal (犯罪的) acts, and mystery.
This program is good at expressing the funny life of American neighbors. And, it’s the perfect comedy series for foreign learners wanting to see how to hold a relaxed daily conversation.
Another reason for watching DH is to learn some expressions American families use that are not in your English language textbooks. For example, the mothers often use words such as “sport” and “you guys” to speak about their kids.   
小题1:According to the passage, The Apprentice and DH are introduced because _____.
A.they are now the most popular programs
B.they are helpful in English learning
C.they are advertised for English beginners
D.they are enjoyed by most young people
小题2:Through watching the two American comedy series, English learners can do the following EXCEPT _____.
A.communicate with native speakers
B.know about American culture
C.pick up English daily expressions
D.learn more English words
小题3:In the author’s opinion, learning English through TV series is _____.
A.commonB.difficultC.enjoyableD.possible
小题4:We can learn from the passage that The Apprentice _____.
A.tells a story of school life B.is about real life
C.has 15 actorsD.is about some businessmen
小题5:Which of the following statements about DH can we get from the introduction?
A.The story happens in a village of America.
B.The housewives join in the same job interview.
C.The women in the American town lead a life full of sadness.
D.It does well in describing an interesting neighborhood in America.

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Jiang Nan, a full-time mother in Beijing, keeps a dozen or so cloth bags at home, carefully selecting one or two before heading out to get groceries. "Most of them were giveaways from advertising marketing campaigns, but others had been handed out in the street by various environmental protection organizations," she explained.
  Since June 2008 China has forbidden the production, sale and usage of plastic bags thinner than 0.025 millimeter (毫米), and retailers (零售商) are not allowed to provide free plastic bags to their customers, no matter how thick they are.
  Many Chinese consumers like Jiang have learned to refuse plastic bags whenever possible in their shopping. "A plastic bag may only cost a few jiao, but it"s more about how bad they are for the environment," Jiang said.
  The plastic ban is for the most part well carried out in big cities, and has been obviously effective in reducing white waste. On the first anniversary of the plastic ban Global Village of Beijing, an NGO environmental organization, shows that during the year of the ban the consumption of plastic bags fell by about 40 billion pieces in chain supermarkets alone, saving more than 1.2 million tons of petrol.
  However, enforcement (实施) shows rather less muscle in smaller cities, towns and countryside. In a remote town like Lichuan, the awareness of environmental protection is not as strong as that in big cities. Street vendors (街头小贩) worry that they are likely to lose customers if they charge them for plastic bags. Seeing no significance in the issue, local government often turn a blind eye to banned bag trade in the market.
  There are still those who don"t have an interest in living green. Cui Lin, another Beijinger, often forgets to bring a cloth bag when shopping, and has to buy plastic bags. "Anyway I think plastic bags are neater and cleaner, and I don"t mind paying a couple more jiao," he shrugged.
  Mrs Yu, a vegetable vendor in Lichuan County, Jiangxi Province, recalled that before plastic bags became popular in the early 1990s, Chinese people always carried a bamboo basket when they visited the market. "Plastic bags are more convenient," she comments, and her view might be that of the tens of millions of people in the nation who still cling to plastic bags, paid or free. This is suggested by her trade where piles of plastic bags are still passed out every day.
小题1: In Paragraph 1, the writer uses Jiang Nan"s case to __________.
A.introduce a topic B.tell a story
C.describe a person D.offer an argument
小题2:How did Jiang Nan get her cloth bags?
A.She bought them at a low price.
B.She borrowed them from her relatives.
C.She got them for free.
D.She made them herself.
小题3:Which is NOT the reason why some people still use plastic bags when shopping?
A.Cloth bags are difficult to get and heavy to carry.
B.People"s awareness of environmental protection is not strong enough.
C.People don"t mind paying a couple more jiao for plastic bags.
D.Street vendors worry that they are likely to lose customers if they charge them.
小题4:What does the underlined phrase “cling to” in the last paragraph mean?
A.stop usingB.continue to useC.stay close toD.hold tightly
小题5:What message does the writer mostly convey in the passage?
A.To reduce white waste is urgent.
B.The plastic bag ban has achieved great success.
C.There is still a long way to go for the plastic bag ban.
D.People"s awareness of environmental protection should be stressed.

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Full face transplants are no longer science fiction fantasy, a leading surgeon has said, adding that they are technically practical but ethically(道德地)complex.
Peter Butler from London’s Royal Free Hospital called for a debate on the ethics of such an operation made possible by new drugs which stop the body’s immune (免疫)system rejecting a transplanted face. “It is not ‘can you do it?’ but ‘should we do it?’” he told the BBC. “The technical part is not complex, but I don’t think that’s going to be the very great difficulty. The ethical and moral debate is obviously going to have to take place before the first facial transplantation.”
The British Association of Plastic Surgeons will discuss the microsurgical procedure (微型外科技术), which could give new skin, bone, nose, chin, lips and ears from deceased donors to patients disfigured(毁容的)by accidents, burns or cancer. But surgeons could have trouble finding enough willing donors. Butler said his survey of doctors, nurses and members of the public showed most would accept a face transplant but few were willing to donate their own after dying.
Despite a number of ethical concerns, Christine Piff, who founded the charity Let’s Face It after suffering a rare facial cancer 25 years ago, welcomed the possibility of face transplants. She rejected the idea that the procedure would mean people would end up living with a dead person’s face. “There are so many people without faces, I have half a face… but we are all so much more than just a face… you don’t take on their personality. You are still you,” she told reporters. “If we can donate other organs of the body then why not the face. I can’t see anything wrong with it.”
小题1:The underlined word “deceased” in the third paragraph probably means _________.
A.livingB.deadC.diseasedD.dying
小题2: When Christine Piff says “There are so many people without faces…”, she refers to the people _________.
A.who are dishonorable and shameless
B.who disagree with the full face transplant
C.who are seriously injured by an accident
D.who are disfigured by accidents, burns and cancer
小题3:According to the passage, what makes it likely to carry out a facial transplantation?
A.Drugs are available to stop the body’s immune system rejecting a transplanted face.
B.There are some people who are willing to donate their faces after dying.
C.Most people accept the idea of face transplants.
D.It’s morally practical, though technically complex.
小题4:What is implied but not stated in the passage?
A.Christine Piff has been the first lucky patient to receive a face transplant.
B.Surgeons have difficulty finding enough willing donors.
C.The main difficulty with the operation lies in the matter of ethics and morality.
D.Nobody other than Christine Piff is quite in favor of the donation of organs.
小题5:What would be the best title for the text?
A.First Facial Transplantation
B.Debate on the Ethics of Transplant
C.Face Transplant No Longer Science Fantasy
D.Let’s Face It

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Our environment isn’t as green and beautiful as it should be. There are steel monsters blocking out the sun, blowing out dangerous smoke, and letting out poisonous chemicals into rivers, cars producing harmful waste gas, people throwing out waste in a wrong way and all other kinds of sources that ruin the planet. Facing current environmental problems, people need to do their best to save the Earth.
You can see many big garbage dustbins in the streets. They’re not there for a show, but for you to drop your waste. We should realize that what a little we do does count. So next time you get that urge to throw gum or a chocolate package out of the car window, or “ accidentally” drop as you walk down the street, ask yourself how much waste you’ve been contributing to the environment with that bad habit going on for years.
At home, the first thing we can do to protect the environment is avoid letting water run continuously and make sure that taps(水龙头)are not leaky(泄露的),which would help greatly in scrimping. Another is to use energy-saving lights, and turn them off before you leave the rooms. It’s not only energy-saving, but also cuts down electricity costs.
Recycling is a method to make items reusable. Many things you want to throw out can be made into new products through the reproducing process. Use your imagination to come up with ways on things that you can use again.
Pass the message of simple ways to save the environment on to kids. Starting with kids is a good way of teaching the message early in their lives, in the hope that they can carry it forward as they grow older.
With environmental protection awareness in mind, we can do what we can, for the results are to have a big effect on the planet. As long as we do our part, the world is one small step closer to being saved.
小题1:The underlined word “scrimping” in the third paragraph can be replaced by _____.
A.savingB.cleaningC.cookingD.drinking
小题2:From the fifth paragraph, we can know that ________.
A.protecting the environment begins with small chores
B.protecting the environment should start from childhood.
C.wonderful life comes from environmental protection
D.protecting the environment benefits the country and the people
小题3:Which of the following isn’t true?
A.The more people do their part, the greener the environment will be.
B.Selling what you don’t want any more is a kind of recycling.
C.To protect the environment may help you save some money.
D.Your bad habits for the environment are a valuable contribution.
小题4:Which of the following can be the best title for this passage?
A.The Use of Garbage Dustbin
B.How to Save Water and Electricity
C.How to Save the Environment
D.Our Current Environmental Problems

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