单选题Although the Earth’s chemical composition had been studied for years, only toward the end of the nineteenth century _______ as a discipline in its own right.A when geochemistry was recognisedB was geochemistry recognisedC then recognised geochemistryD as geochemistry was recognized

考题 How long had Jane and Edward been married at the end of the book?() A.2 yearsB.10 yearsC.5 yearsD.15 years

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考题 Passage ThreeMany theories about the origin of the ocean have been proposed by scientists. The most widely accepted one is that the earth at some time in its very early history became hot enough to melt the materials from which it was formed. While in this molten state, lighter rock-forming materials (造岩材料) floated on the surface of the heavier ones. Then, between four and a half four billion (十亿) years ago, the molten earth cooled sufficiently to form. a crust of rock that was many miles thick.Surrounding the earth was an unbroken canopy of clouds miles thick and made up mostly of water vapor. Rain falling toward the still-hot earth was heated to steam and rose to the clouds again. After many millions of years, as the earth continued to cool, its surface temperature fell below the boiling point of water. Rainwater could now remain on the earth, covering its whole surface except for the higher places on earth that had been formed from the lighter rock materials.In 1970, scientists had pieced together evidence that the lighter rock materials had formed one huge continent by a vast ocean. Then, about 200 million years ago, the great continent began to break up, the pieces moving slowly apart.The onrushing waters of the single huge ocean now entered and filled the spaces between the separating continents--and became the several oceans and seas we know today.41. This passage mainly talks about ______.A. the origin of the earthB. the origin of the oceanC. the history of the earthD. the forming of the earth's crust

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考题 Passage TwoI was only eight years old when the Second World War ended, but I can still remember something about the victory celebrations in the small town where I lived on the day when the war in Europe ended. We had not suffered much from the war there. But both at home and at school I had become accustomed to the phrases "before the war" and "when the war's over". "Before the war", apparently, things had been better, though I was too young to understand why, except that there had been no bombs then, and people had eaten things like ice -cream and bananas, which I had only heard of . When the war was over we would go back to London, but this meant little to me. I did not remember what London was like.What I remember now about VE (Victory in Europe) Day was the May evening. After dinner I said I wanted to see the bonfire (大火堆) , so when it got dark my father took me to the end of the street. The bonfire was very high, and somehow people had collected some old clothes to dress the un- mistakable figure with the moustache (胡子) they had to put on top of it. Just as we arrived, they set light to it. The flames rose and soon swallowed the "guy". Everyone was cheering and shouting, and an old woman came out of her house with two chairs and threw them on the fire to keep it going.I stood beside my father until the fire started to go down, not knowing what to say. He said nothing, either. He had fought in the First World War and may have been remembering the end of that. At last he said, "Well, that's it, son. Let's hope that this time it really will be the last one."40. Where did the author live before the Second World War?A. In London.B. In a small town.C. In Europe.D. In the countryside.

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考题 Text 4Jill Ker Conway ,president of Smith ,echoes the prevailing view of contemporary technology when she says that " anyone in today's world who doesn't understand data processing is not educated. " But she insists that the mcreasing emphasis on these matters leave certain gaps. Says she: "The very strongly utilitarian emphasis in education ,which is an effect of man-made satellites and the cold war, has really removed from this culture something that was very profound in its 18th and 19th century roots ,which was a sense that literacy and learning were ends in themselves for a demo- cratic republic. "In contrast to Plato's claim for the social value of education,a quite different idea of intellectu-al purposes was advocated by the Renaissance humanists. Ovejoyed with their rediscovery of the classical leaming that was thought to have disappeared during the Dark Ages,they argued that the imparting of knowledge needs no justification-religious ,social ,economic ,or political. Its purpose,to the extent that it has one ,is to pass on from generation to generation the corpus of knowledge that constitutes civilization. "What could man acquire ,by virtuous striving ,that is more valuable than knowledge?" asked Erasmus ,perhaps the greatest scholar of the early 16th century. That idea has acquired a tradition of its own. "The educational process has no end beyond itself," said John Dewey. "It is its own end. "But what exactly is the corpus of knowledge to be passed on? In simpler times ,it was all included in the medieval universities' Quadrivium ( arithmetic, geometry, astronomy, music ) and Trivium( grammar, thetoric ,logic). As recently as the last century ,when less than 5% of Americans went to college at all, students in New England establishments were compelled mainly to memorize and recite various Latin texts,and crusty professors angrily opposed the introduction of any new scientific discoveries or modern European languages. "They felt," said regretfully Charles Francis Adams, Jr. ,the Union Pacific Railroad president who devoted his later years to writing history ,"that a classical education was the important distinction between a man who had been to college and a man who had not been to college ,and that anything that diminished the importance of this distinction was essentially revolutionary and tended to anarchy. "56. The first paragraph shows that Jill Ker Conway accepts utilitarian emphasis in education[A] wholeheartedly.[B] with reservation.[C] against her own will.[D] with contempt.

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考题翻译句子Several years passed on Earth, which were only a few days in heaven. Niu Lang and Zhi Nv lived happily together and had two children before the Queen of Heaven discovered Zhi Nv's absence.

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考题 (a) Kayte operates in the shipping industry and owns vessels for transportation. In June 2014, Kayte acquired Ceemone whose assets were entirely investments in small companies. The small companies each owned and operated one or two shipping vessels. There were no employees in Ceemone or the small companies. At the acquisition date, there were only limited activities related to managing the small companies as most activities were outsourced. All the personnel in Ceemone were employed by a separate management company. The companies owning the vessels had an agreement with the management company concerning assistance with chartering, purchase and sale of vessels and any technical management. The management company used a shipbroker to assist with some of these tasks.Kayte accounted for the investment in Ceemone as an asset acquisition. The consideration paid and related transaction costs were recognised as the acquisition price of the vessels. Kayte argued that the vessels were only passive investments and that Ceemone did not own a business consisting of processes, since all activities regarding commercial and technical management were outsourced to the management company. As a result, the acquisition was accounted for as if the vessels were acquired on a stand-alone basis.Additionally, Kayte had borrowed heavily to purchase some vessels and was struggling to meet its debt obligations. Kayte had sold some of these vessels but in some cases, the bank did not wish Kayte to sell the vessel. In these cases, the vessel was transferred to a new entity, in which the bank retained a variable interest based upon the level of the indebtedness. Kayte’s directors felt that the entity was a subsidiary of the bank and are uncertain as to whether they have complied with the requirements of IFRS 3 Business Combinations and IFRS 10 Consolidated Financial Statements as regards the above transactions. (12 marks)(b) Kayte’s vessels constitute a material part of its total assets. The economic life of the vessels is estimated to be 30 years, but the useful life of some of the vessels is only 10 years because Kayte’s policy is to sell these vessels when they are 10 years old. Kayte estimated the residual value of these vessels at sale to be half of acquisition cost and this value was assumed to be constant during their useful life. Kayte argued that the estimates of residual value used were conservative in view of an immature market with a high degree of uncertainty and presented documentation which indicated some vessels were being sold for a price considerably above carrying value. Broker valuations of the residual value were considerably higher than those used by Kayte. Kayte argued against broker valuations on the grounds that it would result in greater volatility in reporting.Kayte keeps some of the vessels for the whole 30 years and these vessels are required to undergo an engine overhaul in dry dock every 10 years to restore their service potential, hence the reason why some of the vessels are sold. The residual value of the vessels kept for 30 years is based upon the steel value of the vessel at the end of its economic life. At the time of purchase, the service potential which will be required to be restored by the engine overhaul is measured based on the cost as if it had been performed at the time of the purchase of the vessel. In the current period, one of the vessels had to have its engine totally replaced after only eight years. Normally, engines last for the 30-year economic life if overhauled every 10 years. Additionally, one type of vessel was having its funnels replaced after 15 years but the funnels had not been depreciated separately. (11 marks)Required:Discuss the accounting treatment of the above transactions in the financial statements of Kayte.Note: The mark allocation is shown against each of the elements above.Professional marks will be awarded in question 3 for clarity and quality of presentation. (2 marks)

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考题 Passage 2 If the population of the earth goes on increasing at its present rate, there will eventually not be enough resources left to sustain life on the planet. By the middle of the 21st century, if present trends continue, we will have used up all the oil that drives our cars, for example. Even if scientists develop new ways of feeding the human race, the crowded conditions on earth will make it necessary for us to look for open space somewhere else. But none of the other planets in our solar system are capable of supporting life at present. One possible solution to the problem, however, has recently been suggested by an American scientist, Professor Carl Sagan. Sagan believes that before the earth's resources are completely exhausted it will be possible to change the atmosphere of Venus and so create a new world almost as large as earth itself. The difficulty is that Venus is much hotter than the earth and there is only a tiny amount of water there. Sagan proposes that algae organisms, which can live in extremely hot or cold atmospheres and at the same time produce oxygen, should be bred in conditions similar to those on Venus. As soon as this has been done, the algae will be placed in small rockets. Spaceships will then fly to Venus and fire the rockets into the atmosphere. In a fairly short time, the algae will break down the carbon dioxide into oxygen and carbon. When the algae have done their work, the atmosphere will become cooler, but before man can set foot on Venus it will be necessary for the oxygen to produce rain. The surface of the planet will still be too hot for men to land on it but the rain will eventually fall and in a few years something like earth will be reproduced on Venus. CarlSagan believes that Venus might be colonized from earth because__________.A. it might be possible to change its atmosphere B. its atmosphere is the same as the earth's C. there is a good supply of water on Venus D. the days on Venus are long enough

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考题共用题干 To Survive or to Vanish1.Over 3.6 billion years ago,the first creature was born in the world.Since then,the earth started its era with life.The history of life on earth has been a history of interaction between living things and their surroundings.To a large extent,the physical form and the habits of the earth's vegetation and its animal life have been molded by the environment. Considering the whole span of earthly time,the opposite effect,in which life actually modifies its surroundings,has been relatively slight. Only in the present century has one species一man acquired significant power to alter the nature of his world.2.During the past 25 years,this power has not only become increasingly great but it has changed in character. The most alarming of all man's assaults upon the environment is the contamination of air,earth,rivers,and sea with dangerous and even lethal materials. This pollution is for the most part irrecoverable.In this now universal contamination of the environment,chemicals are the sinister partners of radiation in changing the very nature of the world the very nature of its life. Chemicals sprayed on croplands or forests or gardens lie long in soil,entering into living organisms, passing from one to another in a chain of poisoning and death.Or they pass mysteriously by underground streams until they emerge and combine into new forms that kill vegetation,sicken cattle,and work unknown harm on those who drink from once pure wells."Man can hardly even recognize the devils of his own creation,"as a scientist has said.3.Hundreds of millions of years have passed before the globe produced the life that now inhabits the earth.Given time not in years but in millennia life adjusts,and a balance has been reached.But in the modern world there is no time.4.The quick steps of change follows the impetuous pace of man rather than the deliberate pace of nature.Radiation is now the unnatural creation of man's tampering with the atom.The chemicals are the synthetic creations of man's inventive mind,having no counterparts in nature.5.To survive these chemicals would require not merely the years of one man's life but the life of generations.And even this,were it by some miracle possible,would be futile,for the new chemicals come from our laboratories in an endless stream;almost five hundred annually find their way into actual use in the United States alone.Among them are many that are used in man's war against nature.Since the mid l940's over 200 basic chemicals have been created for use in killing insects,weeds,and other organisms described as"pests".6.It is not my contention that chemical insecticides must never he used.I do contend that we have put poisonous and biologically potent chemicals indiscriminately into the hands of persons largely or wholly ignorant of their potentials for harm. We have subjected enormous numbers of people to contact with these poisons,without their consent and often without their knowledge.I contend,furthermore,that we have allowed these chemicals to be used with little or no advance investigation of their effect on soil,water,wildlife,and man himself. Future generations are unlikely to forgive our lack of concern for the integrity of the natural world that supports all life.Human's pollution on nature is for the most part_______.A:man's tampering with the atomB:enormous numbers of people to contact with these poisonsC:the integrity of the natural world that supports all lifeD:inventiveE:irrecoverableF:relatively slight

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考题共用题干 To Survive or to Vanish1.Over 3.6 billion years ago,the first creature was born in the world.Since then,the earth started its era with life.The history of life on earth has been a history of interaction between living things and their surroundings.To a large extent,the physical form and the habits of the earth's vegetation and its animal life have been molded by the environment. Considering the whole span of earthly time,the opposite effect,in which life actually modifies its surroundings,has been relatively slight. Only in the present century has one species一man acquired significant power to alter the nature of his world.2.During the past 25 years,this power has not only become increasingly great but it has changed in character. The most alarming of all man's assaults upon the environment is the contamination of air,earth,rivers,and sea with dangerous and even lethal materials. This pollution is for the most part irrecoverable.In this now universal contamination of the environment,chemicals are the sinister partners of radiation in changing the very nature of the world the very nature of its life. Chemicals sprayed on croplands or forests or gardens lie long in soil,entering into living organisms, passing from one to another in a chain of poisoning and death.Or they pass mysteriously by underground streams until they emerge and combine into new forms that kill vegetation,sicken cattle,and work unknown harm on those who drink from once pure wells."Man can hardly even recognize the devils of his own creation,"as a scientist has said.3.Hundreds of millions of years have passed before the globe produced the life that now inhabits the earth.Given time not in years but in millennia life adjusts,and a balance has been reached.But in the modern world there is no time.4.The quick steps of change follows the impetuous pace of man rather than the deliberate pace of nature.Radiation is now the unnatural creation of man's tampering with the atom.The chemicals are the synthetic creations of man's inventive mind,having no counterparts in nature.5.To survive these chemicals would require not merely the years of one man's life but the life of generations.And even this,were it by some miracle possible,would be futile,for the new chemicals come from our laboratories in an endless stream;almost five hundred annually find their way into actual use in the United States alone.Among them are many that are used in man's war against nature.Since the mid l940's over 200 basic chemicals have been created for use in killing insects,weeds,and other organisms described as"pests".6.It is not my contention that chemical insecticides must never he used.I do contend that we have put poisonous and biologically potent chemicals indiscriminately into the hands of persons largely or wholly ignorant of their potentials for harm. We have subjected enormous numbers of people to contact with these poisons,without their consent and often without their knowledge.I contend,furthermore,that we have allowed these chemicals to be used with little or no advance investigation of their effect on soil,water,wildlife,and man himself. Future generations are unlikely to forgive our lack of concern for the integrity of the natural world that supports all life.The effect of life modifying its surroundings has been_______.A:man's tampering with the atomB:enormous numbers of people to contact with these poisonsC:the integrity of the natural world that supports all lifeD:inventiveE:irrecoverableF:relatively slight

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考题共用题干 To Survive or to Vanish1.Over 3.6 billion years ago,the first creature was born in the world.Since then,the earth started its era with life.The history of life on earth has been a history of interaction between living things and their surroundings.To a large extent,the physical form and the habits of the earth's vegetation and its animal life have been molded by the environment. Considering the whole span of earthly time,the opposite effect,in which life actually modifies its surroundings,has been relatively slight. Only in the present century has one species一man acquired significant power to alter the nature of his world.2.During the past 25 years,this power has not only become increasingly great but it has changed in character. The most alarming of all man's assaults upon the environment is the contamination of air,earth,rivers,and sea with dangerous and even lethal materials. This pollution is for the most part irrecoverable.In this now universal contamination of the environment,chemicals are the sinister partners of radiation in changing the very nature of the world the very nature of its life. Chemicals sprayed on croplands or forests or gardens lie long in soil,entering into living organisms, passing from one to another in a chain of poisoning and death.Or they pass mysteriously by underground streams until they emerge and combine into new forms that kill vegetation,sicken cattle,and work unknown harm on those who drink from once pure wells."Man can hardly even recognize the devils of his own creation,"as a scientist has said.3.Hundreds of millions of years have passed before the globe produced the life that now inhabits the earth.Given time not in years but in millennia life adjusts,and a balance has been reached.But in the modern world there is no time.4.The quick steps of change follows the impetuous pace of man rather than the deliberate pace of nature.Radiation is now the unnatural creation of man's tampering with the atom.The chemicals are the synthetic creations of man's inventive mind,having no counterparts in nature.5.To survive these chemicals would require not merely the years of one man's life but the life of generations.And even this,were it by some miracle possible,would be futile,for the new chemicals come from our laboratories in an endless stream;almost five hundred annually find their way into actual use in the United States alone.Among them are many that are used in man's war against nature.Since the mid l940's over 200 basic chemicals have been created for use in killing insects,weeds,and other organisms described as"pests".6.It is not my contention that chemical insecticides must never he used.I do contend that we have put poisonous and biologically potent chemicals indiscriminately into the hands of persons largely or wholly ignorant of their potentials for harm. We have subjected enormous numbers of people to contact with these poisons,without their consent and often without their knowledge.I contend,furthermore,that we have allowed these chemicals to be used with little or no advance investigation of their effect on soil,water,wildlife,and man himself. Future generations are unlikely to forgive our lack of concern for the integrity of the natural world that supports all life.Paragraph 1_______A:Man should be cautious in chemical use.B:It takes generations for mankind to adapt themselves to the chemicals.C:Chemicals are human's inventionD:Human's power increases and has changed its character in the past quarter century.E:The new change in the relationship between earth and its creature一human's power playing a greater role in changing the worldF: Modern world gives no time for nature to adjust to human.

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考题共用题干 To Survive or to Vanish1.Over 3.6 billion years ago,the first creature was born in the world.Since then,the earth started its era with life.The history of life on earth has been a history of interaction between living things and their surroundings.To a large extent,the physical form and the habits of the earth's vegetation and its animal life have been molded by the environment. Considering the whole span of earthly time,the opposite effect,in which life actually modifies its surroundings,has been relatively slight. Only in the present century has one species一man acquired significant power to alter the nature of his world.2.During the past 25 years,this power has not only become increasingly great but it has changed in character. The most alarming of all man's assaults upon the environment is the contamination of air,earth,rivers,and sea with dangerous and even lethal materials. This pollution is for the most part irrecoverable.In this now universal contamination of the environment,chemicals are the sinister partners of radiation in changing the very nature of the world the very nature of its life. Chemicals sprayed on croplands or forests or gardens lie long in soil,entering into living organisms, passing from one to another in a chain of poisoning and death.Or they pass mysteriously by underground streams until they emerge and combine into new forms that kill vegetation,sicken cattle,and work unknown harm on those who drink from once pure wells."Man can hardly even recognize the devils of his own creation,"as a scientist has said.3.Hundreds of millions of years have passed before the globe produced the life that now inhabits the earth.Given time not in years but in millennia life adjusts,and a balance has been reached.But in the modern world there is no time.4.The quick steps of change follows the impetuous pace of man rather than the deliberate pace of nature.Radiation is now the unnatural creation of man's tampering with the atom.The chemicals are the synthetic creations of man's inventive mind,having no counterparts in nature.5.To survive these chemicals would require not merely the years of one man's life but the life of generations.And even this,were it by some miracle possible,would be futile,for the new chemicals come from our laboratories in an endless stream;almost five hundred annually find their way into actual use in the United States alone.Among them are many that are used in man's war against nature.Since the mid l940's over 200 basic chemicals have been created for use in killing insects,weeds,and other organisms described as"pests".6.It is not my contention that chemical insecticides must never he used.I do contend that we have put poisonous and biologically potent chemicals indiscriminately into the hands of persons largely or wholly ignorant of their potentials for harm. We have subjected enormous numbers of people to contact with these poisons,without their consent and often without their knowledge.I contend,furthermore,that we have allowed these chemicals to be used with little or no advance investigation of their effect on soil,water,wildlife,and man himself. Future generations are unlikely to forgive our lack of concern for the integrity of the natural world that supports all life.Radiation is now the unnatural creation of_______.A:man's tampering with the atomB:enormous numbers of people to contact with these poisonsC:the integrity of the natural world that supports all lifeD:inventiveE:irrecoverableF:relatively slight

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考题共用题干 Earth Rocks onMost of the time,the ground feels solid beneath our feet. That{S comforting. But it's also misleading because there's actually a lot going on underground.Masses of land(called plates)slip,slide,and bump against each other,slowly changing the shape of continents and oceans over millions and billions of years.Scientists know that Earth formed about 4.5 billion years ago.They also know that our planet was hot at first. As it cooled , its outermost layer , called the crust（地壳）, eventually formed moving plates. Exactly when this shift happened,however,is an open question.Now,an international group of researchers has an answer. They'ye found new evidence suggesting that Earth's crust started shifting at least 3.8 billion years ago.The new estimate is 1.3 billion years earlier than previous ones.Not long before 3. 8 billion years ago,lots of asteroids（小行星）were hitting Earth,keeping its crust in a hot,melted state.After the hard crust formed,much of it sank at various times into the planet's hot in- sides.There,it melted before returning to the surface.In some places,however,the crust never sank.One of the oldest such places is in Greenland,in an area called the Isua supracrustal（上地壳） belt. The rocky crust there is between 3. 7 and 3. 8 billion years old. The belt was once part of the seafloor,but now it is exposed to air.The researchers recently took a close look at the Isua supracrustal belt. They noticed long,parallel cracks in the rock that have been filled in with a type of volcanic rock.To explain this structure,the scientists propose that tension in the crust caused the seafloor to crackopen long ago. Hot , liquid rock , called magma（岩浆）,flowed up slowly from deep inside Earth to fill the cracks.Finally,the whole area cooled,forming what we see today.That explanation,plus chemical clues inside the rock,suggests that the Isua supracrustal belt was once part of a plate under the ocean,beginning around 3.8 billion years ago.Scientists once estimated that Earth's crust started shifting three billion years ago.A:RightB:WrongC:Not mentioned

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考题共用题干 Where Did the Earth's Water Come From?Earth is located within the"snow line"of the solar system,the region closest to the Sun where H2 0 is primarily in liquid or gaseous form,if at all.______(46)The snow line phenomena is reflected in the water content of planets like Mercury,Venus,and Mars. Water is absent on Mercury.On Venus,H2O only exists as a trace element in the atmosphere.Mars only has a thin veneer of ice in its polar regions.In general,water is rare within the snow line.Why does Earth have so much water relative to the other inner planets?71%of the surface is covered in the oceans,more than half of which is deeper than 3,000 meters,with an approximate total volume of 1.3 billion cu km.______(47)There are various theories as to where all the Earth's water came from,but several theories have fared better than the others.______(48)When the Earth was in the process of forming,with a radius just 40%smaller than at present,it would have had enough gravity to hold on to a tenuous atmosphere with water vapor. The first water vapor on the planet would have come from the planet's internals,where volatile(low weight)chemicals would have a tendency to float to the top,and heavy chemicals(iron and nickel)would sink.Though the first of Earth's water came about through volcanism,this alone probably didn't produce enough to form stable pools on the surface.______(49)Comparing the isotope ratios of water on Earth and water from comets and asteroids has revealed that the majority of the Earth's water comes from asteroids.Throughout its history,Earth's water has increased in volume due to biological processes. In the early seas of Earth,hydrogen sulfide would have been in great supply,which,when reacted with carbon dioxide from the atmosphere during photosynthesis in sulfide-reducing bacteria,would have produced hydrogen,sulfur,and water.______(50)________（49）A: More water was added to the planet during several hypothesized large impacts from asteroids from the outer asteroid belt.B:We know that the oceans existed as early as 100 million years after the formation of the Earth.C:Still,the oceans only make up 0.023%of the Earth's total mass.D:Astronomers say Earth s water may have come from space.E:The snow line is located in the outerasteroid belt,between the orbits of Mars and Jupiter. F: Many geologists believe that the majority of Earth's water generated through this process.

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考题 Although Wales has been united with England for more than 400 years,the Welsh has kept alive（）.Atheir own languageBtheir own literatureCtheir own traditionDAll of the above

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考题 What does a BGP route reflector do when reflecting a route?（）A、It prepends its cluster identifier to the route's cluster list.B、It prepends its own originator identifier to the route's cluster list.C、It replaces the route's cluster identifier with its own cluster identifier.D、It replaces the route's originator identifier with its originator identifier.

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考题多选题Although eighteenth-century English society as a whole did not encourage learning for its own sake in women, it illogically ______ women’s sad lack of education.AdecriedBpostulatedCcriticizedDtoleratedEvauntedFlegitimized

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考题单选题From the passage we know that the Industrial Revolution ______.A led to Adam Smith’s idea of specialisationB was finished in the nineteenth centuryC also has its side-effects in societyD put an end to poverty in the world

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考题单选题Faced with these massive changes, the government keeps its own counsel; although generally benevolent, it has always been ______ regime.A an altruisticB an indifferentC a reticentD a sanguineE an unpredictable

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考题单选题Mary's daughter, although only six years old, showed ingenuity in making a dress for her doll.A thoughtfulnessB cleverness C sincerity D truthfulness

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考题单选题When did the modern concept of “literature” emerge?A In the seventeenth century.B In the eighteenth century.C In the nineteenth century.D In the twentieth century.

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考题单选题The weight of the container and its contents is supported on deck by what part(s)?（）.A Four lower corner castingsB Bottom，side，and end railsC Bottom flooring，side，and end railsD Bottom flooring only

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考题问答题Practice 3　　Science, in practice, depends far less on the experiments it prepares than on the preparedness of the minds of the men who watch the experiments. Sir Isaac Newton supposedly discovered gravity through the fall of an apple. Apples had been falling in many places for centuries and thousands of people had seen them fall. But Newton for years had been curious about the cause of the orbital motion of the moon and planets. What kept them in place? Why didn’t they fall out of the sky? The fact that the apple fell down toward the earth and not up into the tree answered the question he had been asking himself about those larger fruits of the heavens, the moon and the planets.

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考题单选题What does a BGP route reflector do when reflecting a route?（）A It prepends its cluster identifier to the route's cluster list.B It prepends its own originator identifier to the route's cluster list.C It replaces the route's cluster identifier with its own cluster identifier.D It replaces the route's originator identifier with its originator identifier.

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考题单选题Although Wales has been united with England for more than 400 years,the Welsh has kept alive（）.A their own languageB their own literatureC their own traditionD All of the above

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考题单选题The direction of the surface wind is（）.A directly from high pressure toward low pressureB directly from low pressure toward high pressureC from high pressure toward low pressure deflected by the earth's rotationD from low pressure toward high pressure deflected by the earth's rotation

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考题单选题Which of the following sentences is INCORRECT?A His father has been dead for six years.B His father died six years ago.C It’s six years since his father had died.D It has been two years since his father’s death.

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考题单选题General Blair had been in the army _____ for 35 years when he retired from the navy.A serviceB workC jobD homework

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