阅读理解

　　Flags have existed for over 3000 years．The earliest flags were wooden or metal poles topped with a carving(雕刻品)．About 2000 years ago pieces of fabric were added to some poles for decoration．Over the next 500 years the free-flying part of the flag became more important．

　　Every country today has its own flag．Many groups and organizations also have a flag which stands for, or symbolizes, the aims of the group．

　　The UN flag depicts(描绘)a world map, centered on the north pole．The map is surrounded by an olive(橄榄)wreath(花环)symbolizing peace and co-operation．The flag is blue and white．

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阅读理解

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。

　　The following is the instruction to the people who have to take this medicine．

　　Dosage：Adult twelve years old and over take two teaspoonfuls as needed, not more than fifteen teaspoonfuls per day．Children six years old to twelve years old take half the adult dosage, not more than seven teaspoonfuls per day．

　　Warning：Do not overtake this medicine unless directed by a doctor．Children under six years old and persons with high blood pressure, heart disease do not take this medicine．This preparation may cause drowsiness．So do not drive or operate machinery while taking this medicine．Long- time cough is dangerous．If relief does not occur within three days, discontinue use and go to see your doctor．

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阅读理解

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。

　　Some Chinese shops have stopped selling Japanese goods in protest against Tokyo's approval of a school history book they say whitewashes Japan's militaristic past．

　　It was not clear how many Chinese stores had stopped selling Japanese products, but one association official told Renters that the boycott had begun in Shanghai, the country's business center, and the northeast city of Shenyang．

　　Chinese protests against Japan's bid for a permanent seat in the U．N．Security Council．Millions of Chinese have already signed an online demand against giving Japan a permanent seat．

　　South Korea also has criticized the Japanese text book decision．The Korean English-language newspaper Korea Times ran an article on Monday criticizing that action．

　　It said："A civic education text even has a picture of Tokto(独岛 )as Japanese district on its cover．We cannot help but wonder how many countries in the world would be teaching their children in such wrong words．"

　　It went on to say："The country is already a global power and should show regional leadership, not by force but by moral superiority．Tokyo doesn't appear to be reaching forward in this direction．"

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阅读理解

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。

　　We show an amazing tolerance for a form of pollution that is a growing problem：noise．Airplane traffic is increasing by five percent a year．Urban noise is doubling every ten years．By air, land and sea, we are facing an onslaught of noise that is threatening our ability to live in this world．We have granted ourselves the right to make noise．But what about our responsibilities? Have we developed a sense of acoustic responsibility?

　　The evidence suggests that we have not．Many people seem to believe they have an unlimited right to make noise with cars and motorbikes, and with loud music at home and in the street．In some countries measures have been taken to force people to make less noise．In Britain, for example, a law has been passed preventing people from disturbing their neighbors with music at night．

　　It is widely accepted that we should deal with our rubbish in a responsible way．Noise is in reality a particularly insidious form of rubbish．It destroys community life, pursues us into our homes, keeps us from sleeping and is the cause of many stress-related illnesses, as well as hearing loss．Our acoustic environment belongs to all of us．Everyone has the right to use it, but no one has the right to abuse it．Let's start using it responsibly．

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阅读理解

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。

　　As one approaches some crossroads, one comes to a sign which says that drivers have to stop when they come to the main road ahead．At other crossroads, drivers have to go slow, but they do not actually have to stop(unless, of course, there is something coming along the main road); and at still others, they do not have either to stop or to go slow, because they are themselves on the main road．

　　Mr．Williams, who was always a very careful driver, was driving home from work one evening when he came to a crossroads．It had a “Slow” sign, so he slowed down when he came to the main road, looked both ways to see that nothing was coming, and then drove across without stopping completely．

　　At once he heard a police whistle, so he pulled in to the side of the road and stopped．A policeman walked over to him with a notebook and pencil in his hand and said, “You didn't stop at the crossing．” “But the sign there doesn't say “Stop”,” answered Mr．Williams．“It just says “Slow”, and I did go slow．”The policeman looked around him, and a look of surprise came over his face．Then he put his notebook and pencil away, scratched his head and said, “Well, I'll be scolded．I am in the wrong street!”

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阅读理解

阅读下列四篇短文，从每小题后所给的A、B、C、D四个选项中，选出最佳选项。

　　We often use the words “growth” and “development” as if they meant basically the same thing．But this may not always be the case．One can easily imagine instances in which a country has achieved higher levels of income(growth)with little or no benefit coming to most of its citizens(development)．

　　In the past, most development policies were aimed at increasing the growth rate of income per capita．Many are still based on the theory that benefit of economic growth will come to all members of society．If this theory is correct, growth should encourage development．

　　By the early 1970s, however, the relationship between growth and development was being questioned．A major study by the World Bank in 1974 concluded that it is now clear that more than decades of rapid growth in developing countries has been of little benefit to a third of their population．

　　The World Bank study showed that increase in GNP per capita did not promise important improvements in such development indicators as nutrition, health, and education．Although GNP per capita did indeed rise, its benefit came down to only a small part of the population．This realization gives rise to a call for new development policies．These new policies favor agriculture over industry, call for national redistribution of income and wealth, and encourage programs to satisfy such basic needs as food and shelter．

　　In the late 1970s and early 1980s the international macroeconomic crises of high oil prices, worldwide recession and the third world debt, forced attention away from programs designed to get rid of poverty．However, the lesson remains：economic growth does not promise economic development．Efforts may be required to change growing output capacity into economic benefit that reaches most of a nation's people．

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阅读理解

阅读下列四篇短文，从每小题后所给的A、B、C、D四个选项中，选出最佳选项。

　　There are about 34,000 different known species of spiders in the world, but only a dozen of them are harmful to humans．Four of the deadliest spiders in the world are the following．These spiders should undoubtedly be avoided．

　　The brown recluse spider is native to the United States．It prefers areas that are dark and quiet．They can be found both indoors and outside．Their characteristic marking is a dark violin shape on top．The brown recluse spider is not an aggressive spider, but will inject venom into its victims if it is pressed against the skin．In children, the elderly, and those with lowered immune systems, the venom will cause serious illness or death．

　　The black widow can be found in the southeastern United States．Their characteristic marking is a red hourglass(沙漏)shape on their black stomach．It is not an aggressive spider．The black widow injects a neurotoxin(神经毒素)into its victims．The neurotoxin can interfere with nerves to muscle tissue．In children and the elderly, the neurotoxin can be fatal．

　　The Brazilian wandering spider has a few names such as the banana spider and the armed spider．They can be found in the regions of Central and South America where the climate is warm．These are highly aggressive spiders and are extremely dangerous．They wander around the forest floor and are commonly found in people's homes．It injects a neurotoxin which can cause death．

　　The Sydney funnel-web spider resides near Sydney, Australia．They can grow to 3 inches in length and have a dark and smooth body．They are extremely aggressive and are the most poisonous spiders．They will strike repeatedly, possibly causing death by injecting a neurotoxin into their victims．

　　These four species of spiders are not all aggressive, but all can cause painful bites and serious bad reactions．Keep your eyes open because the best way to deal with these dangerous creatures is to avoid them．

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阅读理解

阅读下列四篇短文，从每小题后所给的A、B、C、D四个选项中，选出最佳选项。

　　In the face of rising gas costs, many consumers are beginning to consider the choice of a hybrid vehicle-one which operates on both gas and electricity．All of the models of hybrid car will save money, but are they really effective when all of the costs of maintenance and other considerations are included in?

　　First of all, consider the cost of buying a hybrid vehicle．Depending on the model, hybrid vehicles can cost anywhere from ＄2,000 to ＄5,000 more than the traditional models．However, some say that as the hybrid cars become increasingly more available as a reflection of demand, the prices can be expected to drop, making them more cost effective when it comes to the initial investment．

　　Also important to keep in mind is the fact that the hybrid cars have a much more specialized system than the standard vehicle, and will therefore require more specialized workers to repair them when they break down．

　　It seems as though, at least for the time being, the purchase of a hybrid vehicle for the average consumer may not be the best choice when it comes to saving money．It is important to keep several things in mind, however, when considering purchasing a hybrid model．Many consumers are choosing to purchase these cars because they represent a significant development in terms of environmental concerns over standard models．They also mean that as a whole, Western nations will become less dependent on oil as the only means of power．

　　Finally, it is necessary to remember that the hybrid car is a very new technology．Developed only within the last few years, the technology is still in the starting stage, where costs will continue to be high．As time passes, the development of the hybrid technology will begin to push prices down to the point where hybrids are more competitive with the traditionally fueled models of the past．

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阅读理解

阅读下列四篇短文，从每小题后所给的A、B、C、D四个选项中，选出最佳选项。

　　A mouse looked through a crack in the wall to see the farmer and his wife opening a package; what food might it contain? He was astonished to discover that it was a mouse trap!

　　Retreating(撤退)to the farmyard, the mouse declared the warning, "There is a mouse trap in the house, there is a mouse trap in the house．"

　　The chicken clucked and scratched, raised her head and said, "Mr．Mouse, I can tell you this is a grave concern to you, but it is of no consequence to me; I cannot be bothered by it．"

　　The mouse turned to the pig and told him, "There is a mouse trap in the house．" "I am so sorry, Mr．Mouse," sympathized the pig, "but there is nothing I can do about it but pray; be assured that you are in my prayers．"

　　The mouse turned to the cow, who replied, "Like wow, Mr．Mouse, a mouse trap; am I in grave danger, huh?"

　　So the mouse returned to the house, head down and depressed to face the farmer's mouse trap alone．

　　That very night a sound was heard throughout the house, like the sound of a mouse trap catching its prey．The farmer's wife rushed to see what was caught．In the darkness, she did not see that it was an evil snake whose tail the trap had caught．The snake bit the farmer's wife．The farmer rushed her to the hospital．She returned home with a fever．Now everyone knows you treat a fever with fresh chicken soup, so the farmer took his hatchet to the farmyard for the soup's main ingredient(成分)．His wife's sickness continued so that friends and neighbors came to sit with her around the clock．To feed them, the farmer butchered the pig．The farmer's wife did not get well, in fact, she died, and so many people came for her funeral the farmer had the cow slaughtered(屠杀)to provide meat for all of them to eat．

　　So the next time you hear that someone is facing a problem and think that it does not concern you, remember that when the least of us is threatened, we are all at risk．And traps are usually well disguised．

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阅读理解，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。

　　Technology：Taking the good without the bad?

　　Very soon, unimaginably powerful technologies will remake our lives．This could have dangerous consequences, especially because we may not even understand the basic science underlying them．There's a growing gap between our technological capability and our basic scientific understanding．We can do very clever things with the technology of the future without necessarily understanding some of the science underneath, and that is very dangerous．

　　The technologies that are particularly dangerous over the next hundred years are nanotechnology(纳米技术), artificial intelligence and biotechnology．The benefits that they will bring are beyond doubt．But they are going to be very, very dangerous．I'm working in the field of artificial intelligence．I have a model design for something that might be 50, 000 million times smarter than the human brain．Target date is 2015．The only thing that's not possible in the film Terminator(终结者)is that the people win．If you're fighting against technology which is 50, 000 million times smarter than you, you probably will not win．

　　Nanotechnology．We've all heard of the grey glue problem, that self-replicating nanotech devices might keep on copying until the world has become sticky glue．And certainly in biotechnology, we've really got a big problem because it's converging with nanotechnology and IT．Once you start mixing nanotech with organisms and you start feeding nanotech-enabled bacteria, we can really go an awful lot further than the Borg in Star Trek(星际迷航)．And those superhuman organisms might not like us very much．

　　Eventually these technologies will become routine．That's a threat to humanity．I don't think it's possible to slow it down．So what we need to do is accelerate the scientific research and try to get some extra tools．The problems facing us in the future are getting bigger and bigger．I think if we don't get some proper science done, the future is hopeless indeed．

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