题目内容
（请给出正确答案）
That uniform. makes the guards look absurd.
A.serious
B.beautiful
C.impressive
D.ridiculous
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更多“That uniform. makes the guards look absurd.A.seriousB.beautifulC.impressiveD.ridiculous”相关的问题
Why do people of certain profession wear uniform？
A.Because uniform. is a symbol of one’s class
B.Because uniform. erases one’s individuality and stresses uniformity
C.Because uniform. makes one look handsome
D.Because uniform. is a symbol of one’s social status
Atmosphere
1．The atmosphere is a mixture of several gases. There are about ten chemical elements which remain permanently in gaseous form. in the atmosphere under all natural conditions. Of these permanent gases, oxygen makes up about 21 percent and nitrogen about 78 percent. Several other gases, such as argon (氩), carbon dioxide, hydrogen, neon (氖), krypton (氪), and xenon (氙), comprise the remaining one percent of the volume of dry air. The amount of water vapor, and its variations in amount and distribution is of extraordinary importance in weather changes. Atmospheric gases hold in suspension (悬浮) great quantities of dust, pollen (花粉), smoke, and other impurities which are always present in considerable, hut variable amounts.
2．The atmosphere has no definite upper limits but gradually thins until it becomes imperceptible (感觉不到的). Until recently it was assumed that the air above the first few miles gradually grew thinner and colder at a constant rate. It was also assumed that upper air had little influence on weather changes. Recent studies of the upper atmosphere, currently being conducted by earth satellites and missile probings, have shown these assumptions to be incorrect. The atmosphere has three well-defined strata (layers).
3．The layer of the air next to the earth, which extends upward for about ten miles, is known as the tropophere (对流层). On the whole, it makes up about 75 per cent of all the weight of the atmosphere. It is the warmest part of the atmosphere because most of the solar radiation is absorbed by the earth's surface which warms the air immediately surrounding it. A steady decrease of temperature with increasing elevation is a most striking characteristic. The upper layers are colder because of their greater distance from the earth's surface and rapid radiation of heat into space. The temperatures within the troposphere decrease about 3.5 degrees per 1,000 feet increase in altitude (海拔高度). Within the troposphere, winds and air currents distribute heat and moisture. Strong winds, called jet streams, are located at the upper levels of the troposphere. These jet streams are both complex and widespread in occurrence. They normally show a waveshaped pattern and move from west to east at velocities (速度) of 150 mph, but velocities as high as 400 mph have been noted. The influences of changing locations and strengths of jet streams upon weather conditions and patterns are no doubt considerable. Current intensive research may eventually rebel their true significance.
4．Above the troposphere to a height of about 50 miles is a zone called the stratosphere (高温层). The stratosphere is separated from the troposphere by a zone of uniform. temperatures called the tropopause (对流层顶). Within the lower portions of the stratosphere is a layer of ozone (臭氧) gases which filters (过滤) out most of the ultraviolet rays from the sun. The ozone layer varies with air pressure. If this zone were not there, the full blast of the sun's ultraviolet light would burn out skins, blind our eyes, and eventually result in our destruction. Within the stratosphere, the temperature and atmospheric composition are relatively uniform.
5．The layer upward of about 50 miles is the most fascinating but the least known of the three strata. It is called the ionosphere (电离层) because it consists of electrically charged particles called ions, thrown from the sun. The northern lights (aurora borealis) originates within this highly charged portion of the atmosphere. Its effect upon weather conditions if any, is as yet, unknown.
A New finding about the upper atmosphere
B Stratosphere
C Ionosphere
D The composition of the permanent gases in the atmosphere.
E The suspension of dust
F Tropophere
Paragraph 2 ______
Wallace, whose parents were poor and who had left school at 14, had followed courses at Working Men's Institutes in London and Leicester as a surveyor's apprentice and pupil teacher.
The fact is that there are two traditions of explanation that march side by side in the ascent of man. One is the analysis of the physical structure of the world. The other is the study of the processes of life: their delicacy, their diversity, the wavering cycles from life to death in the individual and in the species. And these traditions do not come together until the theory of evolution; because until then there is a paradox which cannot be resolved, which cannot be begun, about life.
The paradox of the life sciences, which makes them different in kind from physical science, is in the detail of nature everywhere. We see it about us in the birds, the trees, the grass, the snails, in every living thing. It is this, the manifestations of life, its expressions, its forms, are so diverse that they must contain a large element of the accidental. And yet the nature of life is so uniform. that it must be constrained by many necessities.
So it is not surprising that biology as we understand it begins with naturalists in the 18th and 19th centuries: observers of the countryside, bird-watchers, clergymen, doctors, gentlemen of leisure in country houses. I am tempted to call them, simply, "gentlemen in Victorian England", because it cannot be an accident that the theory of evolution is conceived twice by two men living at the same time in the same culture — the culture of Queen Victoria in England.
SECTION 2 Optional Translation (30 points)
The theory of evolution by natural selection was put forward in the 1850s independently by two men. One was Charles Darwin; the other was Alfred Russel Wallace. Both men had some scientific background, of course, but at heart both men were naturalists. Darwin had been a medical student at Edinburgh University for two years, before his father who was a wealthy doctor proposed that he might become a clergyman and sent him to Cambridge. Wallace, whose parents were poor and who had left school at 14, had followed courses at Working Men's Institutes in London and Leicester as a surveyor's apprentice and pupil teacher.
The fact is that there are two traditions of explanation that march side by side in the ascent of man. One is the analysis of the physical structure of the world. The other is the study of the processes of life: their delicacy, their diversity, the wavering cycles from life to death in the individual and in the species. And these traditions do not come together until the theory of evolution; because until then there is a paradox which cannot be resolved, which cannot be begun, about life.
The paradox of the life sciences, which makes them different in kind from physical science, is in the detail of nature everywhere. We see it about us in the birds, the trees, the grass, the snails, in every living thing. It is this, the manifestations of life, its expressions, its forms, are so diverse that they must contain a large element of the accidental. And yet the nature of life is so uniform. that it must be constrained by many necessities.
So it is not surprising that biology as we understand it begins with naturalists in the 18th and 19th centuries: observers of the countryside, bird-watchers, clergymen, doctors, gentlemen of leisure in country houses. I am tempted to call them, simply, "gentlemen in Victorian England ", because it cannot be an accident that the theory of evolution is conceived twice by two men living at the same time in the same culture—the culture of Queen Victoria in England.
To【2】the question of attribution requires the【3】of more powerful and complex methods, beyond the use of global averages alone. New studies have focused on【4】maps or patterns of temperature change in【5】and in models. Pattern analysis is the cli-matologically equivalent of the more comprehensive tests in the medical analogy mentioned【6】, and makes it possible to achieve more definitive【7】of observed climate changes to a particular cause or causes.
The expected influence of human activities is thought to be much more complex than uniform. warming over the entire surface of the Earth and over the whole【8】cycle. Patterns of change over space and time therefore provide a more powerful【9】technique.
The basic idea【10】pattern-based approaches is that different【11】causes of climate change have different characteristic patterns of climate response or fingerprints. Attribution studies seek to 【12】a fingerprint match between the patterns of climate change【13】by models and those actually observed.
The most recent assessment of the science suggests that human activities have led to a discernible【14】on global climate and that these activities will have an increasing influence on future climate. The burning of coal, oil and natural gas, as well as various agricultural and industrial practices, are【15】the composition of the atmosphere and contributing to climate change. These human activities have led to increased atmospheric【16】of a number of greenhouse gases, including carbon dioxide, methane and so on in the lower atmosphere.
Human activities, such as the burning of fossil, have also increased the【17】of small particles in the atmosphere. These particles can change the【18】of energy that is absorbed and reflected by the atmosphere. They are also believed to modify the【19】of air and clouds, changing the amount of energy that they absorb and reflect. Intensive studies of the climatic effects of these particles began only recently and the overall【20】is uncertain. It is likely that the net effect of these small particles is to cool the climate and to partially offset the warming of increasing concentrations of greenhouse gases.
(1)
A．incensed
B．personify
C．interact
D．predicted
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