江苏省射阳县第二中学高考英语限时训练（21）.doc

2015届高三英语限时训练(21) 说明文阅读（2014江苏）cmost damagingly, anger weakens a persons ability to think clearly and keep control over his behavior. the angry person loses objectivity in evaluating the emotional significance of the person or situation that arouses his anger.not everyone experiences anger in the same way; what angers one person may amuse another. the specific expression of anger also differs from person to person based on biological and cultural forces. in contemporary culture, physical expressions of anger are generally considered too socially harmful to be tolerated. we no longer regard duels (决斗) as an appropriate expression of anger resulting from one persons awareness of insulting behavior on the part of another. anger can be identified in the brain, where the electrical activity changes. under most conditions eeg (脑电图) measures of electrical activity show balanced activity between the right and left prefrontal (额叶前部) areas. behaviorally this corresponds to the general even-handed disposition (意向) that most of us possess most of the time. but when we are angry the eeg of the right and left prefrontal areas arent balanced and, as a result of this, were likely to react. and our behavioral response to anger is different from our response to other emotions, whether positive or negative.most positive emotions are associated with approach behavior: we move closer to people we like. most negative emotions, in contrast, are associated with avoidance behavior: we move away from people and things that we dislike or that make us anxious. but anger is an exception to this pattern. the angrier we are, the more likely we are to move towards the object of our anger. this corresponds to what psychologists refer to as of endive anger: the angry person moves closer in order to influence and control the person or situation causing his anger. this approach-and-confront behavior is accompanied by a leftward prefrontal asymmetry (不对称) of eeg activity. interestingly, this asymmetry lessens if the angry person can experience empathy (同感) towards the individual who is bringing forth the angry response. in defensive anger, in contrast, the eeg asymmetry is directed to the right and the angry person feels helpless in the face of the anger-inspiring situation.61. the “duels” example in paragraph 2 proves that the expression of anger _.a. usually has a biological basis b. varies among peoplec. is socially and culturally shaped d. influences ones thinking and evaluation62. what changes can be found in an angry brain? zxxka. balanced electrical activity can be spotted. b. unbalanced patterns are found in prefrontal areas.c. electrical activity corresponds to ones behavior.d. electrical activity agrees with ones disposition.63. which of the following is typical of offensive anger?a. approaching the source of anger. b. trying to control what is disliked.c. moving away from what is disliked. d. feeling helpless in the face of anger.64. what is the key message of the last paragraph?a. how anger differs from other emotions. b. how anger relates to other emotions.c. behavioral responses to anger. d. behavioral patterns of anger.(2012江苏)bdeputy agriculture secretary kathleen merriam sees an epidemic (流行病) sweeping across americas farmland. it has little to do with the usual challenges, such as flood, rising fuel prices and crop-eating insects. the countrys fanners are getting older, and there are fewer people standing in line to take their place. national agricultural census (普查) figures show that the fastest-growing group of fanners is the part over 65. merriam is afraid the average age will be even higher when the 2012 statistics are completed.merrigan, a former college professor, is making stops at universities across the country in hopes of encouraging more students to think about careers in agriculture. aside from trying to stop the graying of .americas farmers, her work is made tougher by a recent blog posting that put agriculture at no.1 on a list of useless college degrees. top federal agriculture officials are talking about the posting, and it has the attention of agricultural organizations across the country.“there couldnt be anything thats more incorrect, merriam said. we know that there arent enough qualified graduates to fill the jobs that are out there in american agriculture.in addition, a growing world population that some experts predict will require 70% more food production by 2050, she said.“i truly believe were at a golden age of agriculture. global demand is at an all-time record high, and global supplies are at all-time record lows, said matt rush, director of the texas farm bureau. production costs are going to be valuable enough that younger people are going to have the opportunity to be involved in agriculture. the department of agriculture has programs aimed at developing more farmers and at increasing interest in locally grown food. the national young farmers coalition has also been pushing for state and federal policy changes to make it easier for new farmers.ryan best, president of future fanners of america, has been living out of a suitcase, traveling the country and visiting with high school students about careers in agriculture. the 21 -year-old best hopes his message-that this is a new time in agriculture-will motivate the next generation to turn around the statistics. never before have we had the innovations ( 创新) in technology which have led to agriculture in this country being the most efficient it has ever been,” he said. “theres really a place for everybody to fit in.”59. what is the new challenge to american agriculture?a. fewer and older farmers.b. higher fuel prices.c. more natural disasters.d. lower agricultural output.60.why is merriam visiting universities across the country?a.to draw federal agriculture officials attention. b.to select qualified agriculture graduates.c.to clarify a recent blog posting. d.to talk more students into farming careers61.according to matt rush, american agriculture will provide opportunities for younger people because_.a.the government will cover production costs b.global food supplies will be even lowerc.investment in agriculture will be profitable d.america will increase its food export62.what do the underlined words to turn around the statistics in the last paragraph mean?a.to re-analyze the result of the national census. b.to increase agricultural production.c.to bring down the average age of farmers. d.to invest more in agriculture. (2012江苏)cmedical drugs sometimes cause more damage than they cure. one solution to this problem is to put the drugs inside a capsule, protecting them from the bodyand the body from themuntil they can be released at just the right spot. there are lots of ways to trigger(引发) this release, including changing temperature, acidity, and so on. but triggers can come with their own risksburns, for example. now, researchers in california have designed what could be a harmless trigger to date: shining near-infrared light (nir,近红外线) on the drug in the capsule.the idea of using light to liberate the drug in the capsule isnt new. researchers around the globe have developed polymers (聚合物) and other materials that begin to break down when they absorb cither ultraviolet (uv,紫外线) or visible light. but tissues also readily absorb uv and visible light, which means the drug release can be triggered only near the skin, where the light can reach the capsule. nir light largely passes through tissues, so researchers have tried to use it as a trigger. but few compounds(化合物)absorb nir well and go through chemical changes.that changed last year when adah almutairi, a chemist at the university of california, san diego, reported that she and her colleagues had designed a polymer that breaks down when it absorbs nir light. their polymer used a commercially available nir-absorbing group called o-nitrobenzyl (onb). when they catch the light, onb groups fall off the polymer, leading to its breakdown. but onb is only a so-so nir absorber, and it could be poisonous to cells when it separates from the polymer.so almutairi and her colleagues reported creating a new material for capsules thats even better. this one consists of a long chain of compounds called cresol groups linked in a polymer. cresol contains reactive(易反应的) components that make it highly unstable in its polymeric form, a feature almutairi and her colleagues use to their advantage. after polymerizing the cresols, they cap each reactive component with a light-absorbing compound called bhc. when the bhcs absorb nir light, the reactive groups are exposed and break the long polymer into two short chains. shining additional light continues this breakdown, potentially releasing any drugs in the capsule. whats more, almutairi says, bhc is 10 times better at absorbing nir than is onb and is not poisonous to cells.63.according to the passage, which of the following could be the best trigger?a. temperature change. b. nir light. c. acidity change. d. uv light.64.why in onb unsatisfactory?a.it breaks down when it absorbs nir light. b.it falls off the polymer and triggers drug release.c.it has not come onto the market up till now.d.it is not effective enough and could be poisonous.65. which word can be used to complete the following process of changes?a. protected b. formedc. exposedd. combined（2011江苏）caccording to the us government, wind farms off the pacific coast could produce 900 gig watts of electricity every year. unfortunately, the water there is far too deep for even the tallest windmills(see picture)to touch bottom. an experiment under way off the coast of norway,however,could help put them anywhere.the project, called hywind,is the worlds first large-scale deepwater wind turbine(涡轮发电机).although it uses a fairly standard 152-ton,2.3-megawatt turbine,hywind represents totally new technology. the turbine will be fixed 213 feet above the water on a floating spar(see picture),a technology hywinds creator, the norwegian company statoilhydro,has developed recently. the steel spar, which is filled with stones and goes 328 feet below the sea surface, will be tied to the ocean floor by three cable(缆索)；these will keep the spar stable and prevent the turbine from moving up and down in the waves.hywinds stability(稳定性)in the cold and rough sea would prove that even the deepest corners of the ocean are suitable for wind power. if all goes according to plan, the turbine will start producing electricity six miles off the coast of southwestern norway as early as september.to produce electricity on a large scale, a commercial wind farm will have to use bigger turbines than hywind does, but its difficult enough to balance such a large turbine so high on a floating spar in the middle of the ocean. to make that turbine heavier, the whole spars to design a new kind of wind turbine, one whose gearbox(变速箱) sits at sea level rather than behind the blades (see picture )hywind is a test run, but the benefits for perfecting floating wind-farm technology could be extremely large. out at sea, the wind is often stronger and steadier than close to shore, where all existing offshore windmills are planted. d