2018年5月北美SAT考试真题回顾
五月北美新sat写作范文
五月北美新sat写作范文【SAT北美和亚洲的区别为什么都说亚洲和北美只有作文题目不一样啊....在复习前，看一些SAT写作真题有助于大家对SAT写作考试题型熟悉，洞察它的出题方向，本文为大家整理了一些真题.Prompt 1Think carefully about the issue presentedin the following excerpt and the assignmentbelow.Reality television programs,which feature real people engaged in real activities rather than professional actors performing scripted scenes,are increasingly popular.These shows depict ordinary people peting in everything from singing and dancing to losing weight,or just living their everydaylives.Most people believe that the reality these shows portray is authentic,but they are being misled.How authentic can these shows be when producers design challenges for the participants and then editors alter filmed scenes?Assignment:Do people benefit from forms of entertainment that show so-called reality,or are such forms of entertainment harmful?Plan and write an essay in which you develop your point of view on this issue.Support your position with reasoning and examples taken from your reading,studies,experience,or observations.Prompt 2Think carefully about the issue presented in the following excerpt and the assignment below.Photographs are very much a part of our daily lives.They show us faraway places,things tobuy,important people and happenings,and sometimes justthe ordinary.These pictures seem like frozen moments of real life.Cameras do copy what is in front of the lens,and so,in that sense,photographs show us what is real.They are at the same time,however,creations of the artist's intentions and unconscious mind.Adapted from Leslie Sills,In Real Life:Six Women PhotographersAssignment:Are photographsstraightforward representations of real life,or are they artistic creations reflecting the photographer's point of view?Plan and write an essay in which you develop your point of view on this issue.Support your position with reasoning and examples taken from your reading,studies,experience,or observations.Prompt3Think carefully about the issue presented in the following excerpt and the assignment below.When we are young,we learn from parents and teachers that we should wait patiently for what we want.Few people would dispute the wisdom or truth of this teaching.Our society,however,with its mad rush and hurry and its insistence on instant gratificationand quick responses,encourages and rewards impatience.Experience teaches us that we should not and do not have to wait.Assignment:Is it better for people to act quickly and expect quick responses from others rather than to wait patiently for what they want?Plan and write an essay in which you develop your point of view on this issue.Support your position with reasoning and examples takenfrom your reading,studies,experience,or observations.上面就是我列举的北美SAT写作真题，非常详细，考试的写作时间限制和考场的环境对于大家的SAT写作考试模拟效果有着非常大的影响.美国名校对新SAT写作要求发生了变化新SAT重新回到了10年前的1600分制，给分区间为400-1600。
2018年SAT阅读常考美国历史内容集锦
2018年SAT阅读常考美国历史内容集锦虽然是肯定不及SAT2历史的难度之万一，但是SAT阅读中的历史题材文章，因为考生的不熟悉，而造成一定的阅读障碍。
所以，有必要整理一下在新SAT 时期阅读里出现过的美国历史内容。
SAT历年历史话题统计从2016年开始至今，历史文献的话题，最多的是平权。
广义上平权我们可以指女权、黑人等要求平等权的内容，这里如果我们把这几种再做细分的话，那么女权考的次数最多，有6次，占27%，其次是独立时期相关文献，5次，占23%;再次是废奴，3次，占14%;然后是超验主义2次，其余如投票平等权、制宪会议、法国大革命、言论自由、工业化等话题都有涉及过一次。
SAT阅读涉及的美国历史独立时期(1775-1783)Patrick Henry:Give Me Liberty or Give Me Death 1775.激进派,提倡北美殖民地不惜以自己的生命和鲜血来换取独立，摆脱对英国的依附关系。
先让步，再提出自己的主张。
Thomas Paine:Common Sense 1776.从政府的起源说起，条分缕析地解构英式政体。
他评论英式政体是君主暴政和贵族暴政的肮脏残余，是两者利益的终极代表，其存在的唯一目的无非是为君王、贵族谋求福利。
因此，它不仅是达官贵人们用以剥削本国人民的利器，更是宗主国借以盘剥殖民地的工具。
Thomas Jefferson:United States Declaration of Independence 1776.第一部分为前言，阐述了宣言的目的;第二部分阐述政治体制思想，即自然权利学说和主权在民思想;第三部分历数英国压迫北美殖民地人民的条条罪状，说明殖民地人民是在忍无可忍的情况下被迫拿起武器的，力争独立的合法性和正义性;第四部分，也就是在宣言的最后一部分，美利坚庄严宣告独立。
Articles of Confederation and Perpetual Union 1777(1781年生效).第一，各州保留了很大的独立性。
2018年5月22日SAT数学每日练习题(daily practice)
三立教育2018年5月22日SAT数学每日练习题(daily practice) 为广大SATer带来2018年5月22日的SAT数学每日一练，考察一元一次方程的应用题，难度较小。
配有答案，解析，众考生，慢慢操练吧。
文末附2018SAT数学考点清单。
Hailey's laundry basket contains 7 shirts. These 7 shirts account for approximately 21% of aHailey's total number of shirts. How many shirts does Hailey have in total?A.2B.3C.26D.33答案：D解析：题干翻译：衣服篓里有7件衬衫，他们大约占Hailey衬衫的21%。
请问Hailey总共有多少衬衫? Choice D is correct. Let T represent Hailey's total number of shirts. If 21% of Hailey's total number of shirts is 7, then the following equation can be written: 0.21·T=7To solve for T, multiply both sides of the equation by 0.21. The value of T is 33.3. Because 21% represented an approximate portion of the total number of socks, the value found for T is not an exact amount. Therefore, the best answer for the Hailey's total number of shirts is 33.The total number of shirts is 33.SAT数学考点清单列一次等式、不等式，解方程。
SAT官方阅读每日一练 18年5月18日
SAT官方阅读每日一练 18年5月18日为广大SATer带来2018年5月17日的SAT阅读每日一练，考察篇章层面的结构题，需要通读全文并理解作者行文架构，难度较大。
配有答案，解析，众考生，慢慢操练吧。
文末附2018SAT阅读题型清单。
5月18日SAT阅读每日一练The question "What absolutely is the best government?" is unanswerable as well as indeterminate; or rather, there are as many good answers as there are possible combinations in the absolute and relative situations of all nations.But if it is asked by what sign we may know that a given people is well or ill governed, that is another matter, and the question, being one of fact, admits of an answer.It is not, however, answered, because every-one wants to answer it in his own way. Subjects extol public tranquility, citizens individual liberty; the one class prefers security of possessions, the other that of person; the one regards as the best government that which is most severe, the other maintains that the mildest is the best; the one wants crimes punished, the other wants them prevented; the one wants the State to be feared by its neighbours, the other prefers that it should be ignored; the one is content if money circulates, the other demands that the people shall have bread. Even if an agreement were come to on these and similar points, should we have got any further? As moral qualities do not admit of exact measurement, agreement about the mark does not mean agreement about the valuation.For my part, I am continually astonished that a mark so simple is not recognised, or that men are of so bad faith as not to admit it. What is the end of political association? The preservation and prosperity of its members. And what is the surest mark of their preservation and prosperity? Their numbers and population. Seek then nowhere else this mark that is in dispute. The rest being equal, the government under which, without external aids, without naturalisation or colonies, the citizens increase and multiply most, is beyond question the best. Thegovernment under which a people wanes and diminishes is worst. Calculators, it is left for youto count, to measure, to compare.Which choice best describes the overall structure of the passage?哪个选项最好地描述了该文章的结构A.The author defines a term and then illustrates it with multiple examples.B.The author presents and describes the two sides of a controversy.C.The author considers a complex topic and then offers a judgment.D.The author poses a rhetorical question to introduce an extended argument.答案：C解析：Choice C is the best answer. Throughout the passage, Rousseau considers the question of determining which type of government is absolutely the best. He notes in the first two paragraphs that, while it is impossible to answer the question, it is possible to tell if a certain group of people is well-governed or not. Rousseau proposes in the last paragraph a simpleanswer, or judgment: "numbers and population."相关SAT阅读词汇overall[əuvə'rɔ:l]adj. 全部的，全体的，一切在内的 extol[iks'təul]vt. 颂杨，称赞absolutely['æbsəlu:tli]adv. 绝对地，完全地;独立地 multiple['mʌltipl]adj. 许多，多种多样的 n. 倍数measurement['meʒəmənt]n. 测量，衡量，尺寸，大小 preservation[.prezə'veiʃən]n. 保存tranquility[træŋ'kwiliti]n. 宁静，平静，稳定 population[.pɔpju'leiʃən]n. 人口，(全体)居民，人数extended[iks'tendid]adj. 延续的，广大的，扩大范围的动词extendjudgment['dʒʌdʒmənt]n. 裁判，宣告，判决书2018年SAT阅读题型清单对文本信息的考察，包括1文本细节的考查 2文本论据的考查 3文本传达信息的考查对作者写作技能的考察，包括1.单词/词组/句子功能题2.文本结构题3.观点态度题4.目的题 5.论证题综合题，包括1.双篇题2.图表题从词汇层面看，词汇题考察的是词汇的意思和功能;从段落层面看，考察的题目包括观点态度题，目的题，小结题，中心思想题，论证题，细节类题型等等; 从篇章层面看，同样包括细节题，态度，目的，小结，中心思想题，论证题，还包括关系题，循证题，文本结构题等。
2018年5月5日SAT阅读考试真题回忆
2018年5月5日SAT阅读考试真题回忆5月5日的SAT考试已经结束了，相信有很多没有参加考试的同学，也比较期待这次考试都考到了哪些内容?三立在线为整理了最新的真题回忆，让我们一起来看看吧!Passage 1: The MysteriousPortrait, LiteratureYoung Chartkov was an artist with a talent that promised much: in flashes and moments his brush bespoke power of observation, understanding, a strong impulse to get closer to nature."Watch out, brother," his professor had told him more than once, "you have talent; it would be a sin to ruin it. But you're impatient. Some one thing entices you, some one thing takes your fancy—and you occupy yourself with it, and the rest can rot, you don't care about it, you don't even want to look at it. Watch out you don't turn into a fashionable painter. Even now your colors are beginning to cry a bit too loudly. Your drawing is imprecise, and sometimes quite weak, the line doesn't show; you go for fashionable lighting, which strikes the eye at once. Watch out or you'll fall right into the English type. Beware. You already feel drawn to the world: every so often I see a showy scarf on your neck, a glossy hat. . . It's enticing, you can start painting fashionable pictures, little portraits for money. But that doesn't develop talent, it ruins it. Be patient.Ponder over every work, drop showiness—let the others make money. You won't come out the loser."The professor was partly right. Sometimes, indeed, our artist liked to carouse or play the dandy—in short, to show off his youth here and there. Yet, for all that, he was able to keep himself under control. At times he was able to forget everything and take up his brush, and had to tear himself away again as if from a beautiful, interrupted dream. His taste was developing noticeably. He still did not understand all the depth of Raphael, but was already carried away by the quick, broad stroke of Guido, paused before Titian's portraits, admired the Flemish school. 6 The dark surface obscuring the old paintings had not yetbeen entirely removed for him; yet he already perceived something in them, though inwardly he did not agree with his professor that the old masters surpassed us beyond reach; it even seemed to him that the nineteenth century was significantly ahead of them in certain things, that the imitation of nature as it was done now had become somehow brighter, livelier, closer; in short, he thought in this case as a young man thinks who already understands something and feels it in his proud inner consciousness. At times he became vexed when he saw how some foreign painter, a Frenchman or a German, sometimes not even a painter by vocation, with nothing but an accustomed hand, a quick brush, and bright colors, would produce a general stir and instantly amass a fortune. This would come to his mind not when, all immersed in his work, he forgot drinking and eating and the whole world, but when he wouldfinally come hard up against necessity, when he had no money to buy brushes and paints, when the importunate landlord came ten times a day to demand the rent. Then his hungry imagination enviously pictured the lot of the rich painter; then a thought glimmered that often passes through a Russian head: to drop everything and go on a spree out of grief and to spite it all. And now he was almost in such a situation.“Yes! be patient, be patient!" he said with vexation. "But patience finally runs out. Be patient! And on what money will I have dinner tomorrow? No one will lend to me. And if I were to go and sell all my paintings and drawings, I'd get twenty kopecks for the lot. They've been useful, of course, I feel that: it was not in vain that each of them was undertaken, in each of them I learned something. But what's the use? Sketches, attempts—and there will constantly be sketches, attempts, and no end to them. And who will buy them, if they don't know my name? And who needs drawings from the antique, or from life class, or my unfinished Love of Psyche, or a perspective of my room, or the portrait of my Nikita, though it's really better than the portraits of some fashionable painter? What is it all, in fact? Why do I suffer and toil over the ABC's like a student, when I could shine no worse than the others and have money as they do?”Passage 2: False Memory, Social ScienceRememberThat? No, You Don’t. Study Shows False Memories Afflict Us AllEven people with extraordinary memories sometimes make things up without realizing it.It’s easy enough to explain why we rememberthings: multiple regions of the brain —particularlythe hippocampus —are devoted to the job. It’s easy to understand why we forgetstuff too: there’s only so much any busy brain can handle. What’s trickier iswhat happens in between: when we clearly remember things that simply neverhappened.The phenomenon of false memories iscommon to everybody —the party you’re certain you attended in high school,say, when you were actually home with the flu, but so many people have told youabout it over the years that it’s made its way into your own memory cache.False memories can sometimes be a mere curiosity, but other times they havereal implications. Innocent people have gone to jail whenwell-intentionedeyewitnesses testify to events that actually unfolded an entirely differentway.What’s long been a puzzle to memoryscientists is whether some people may be more susceptible to false memoriesthan others —and, by extension, whether some people with exceptionally goodmemories may be immune to them. A new study in the Proceedings of the NationalAcademy of Sciences answersboth questions with a decisive no.False memories afflict everyone —evenpeople with the best memories of all.To conduct the study, a team led bypsychologist Lawrence Patihis of the University of California, Irvine, recruited a sample group of people all ofapproximately the same age and divided them into two subgroups: those withordinary memory and those with what is known as highly superiorautobiographical memory (HSAM). You’ve met people like that before, and theycan be downright eerie. They’re the ones who can tell you the exact date onwhich particular events happened —whether in their own lives or in the news —aswell as all manner of minute additional details surrounding the event that mostpeople would forget the second they happened.To screen for HSAM, the researchershad all the subjects take a quiz that asked such questions as “[On what date]did an Iraqi journalist hurl two shoes at President Bush?”or “What publicevent occurred on Oct. 11, 2002?”Those who excelled on that part of thescreening would move to a second stage, in which they were givenrandom,computer-generated dates and asked to say the day of the week on which it fell,and to recall both a personal experience that occurred that day and a publicevent that could be verified with a search engine.“It was a Monday,”said one personasked about Oct. 19, 1987. “That was the day of the big stock-market crash andthe cellistJacqueline du Prédied that day.”That’s somepretty specific recall. Ultimately, 20 subjects qualified for the HSAM groupand another 38 went into the ordinary-memory category. Both groups werethen tested for their ability to resist developing false memories during aseries of exercises designed to implant them.In one, for example, theinvestigators spoke with the subjects about the Sept. 11 terrorist attacks andmentioned in passing the footage that had been captured of United Flight 93crashing in Pennsylvania —footage, of course, that does not exist. In bothgroups —HSAM subjects and those with normal memories —about 1 in 5 people “remembered”seeing this footage when asked about it later.“It just seemed like something wasfalling out of the sky,”said one of the HSAM participants. “I was just, youknow, kind of stunned by watching it, you know, go down.”Word recall was also hazy. Thescientists showed participants word lists, then removed the lists and testedthe subjects on words that had and hadn’t been included. The lists allcontained so-called lures —words that would make subjects think of other,related ones. The words pillow, duvet and nap, for example, might lead to a false memory of seeing the word sleep. All of the participants in both groups fell for the lures,with at least eight such errors per person—though some tallied as many as 20.Both groups also performed unreliably when shownphotographs and fed luresintended to make them think they’d seen details in the pictures they hadn’t.Here too, the HSAM subjects cooked up as many fake images as the ordinaryfolks.“What I love about the study is howit communicates something that memory-distortion researchers have suspected forsome time, that perhaps no one is immune to memory distortion,”said Patihis.What the study doesn’t do, Patihisadmits, is explain why HSAM people exist at all. Their prodigious recall is amatter of scientific fact, and one of the goals of the new work was to see ifan innate resistance to manufactured memories might be one of the reasons. Buton that score, the researchers came up empty.“It rules something out,”Patihissaid. “[HSAM individuals] probably reconstruct memories in the same way thatordinary people do. So now we have to think about how else we could explain it.”He and others will continue to look for that secret sauce that elevatessuperior recall over the ordinary kind. But for now, memory still appears to befragile, malleable and prone to errors —for all of us.Passage 3: Beans Talk, Natural ScienceTHE idea that plants have developed a subterranean internet, which they use to raise the alarm when danger threatens, sounds more like the science-fiction of James Cameron’s film “Avatar”than any sort of science fact. But fact it seems to be, if work by David Johnson of theUniversity of Aberdeen is anything to go by. For Dr Johnson believes he has shown that just such an internet, with fungal hyphae standing in for local Wi-Fi, alerts beanstalks to danger if one of their neighbors is attacked by aphids.Dr Johnson knew from his own past work that when broad-bean plants are attacked by aphids they respond with volatile chemicals that both irritate the parasites and attract aphid-hunting wasps. He did not know, though, whether the message could spread, tomato-like, from plant to plant. So he set out to find out—and to do so in a way which would show if fungi were the messengers.As they report in Ecology Letters, he and his colleagues set up eight “mesocosms”, each containing five beanstalks. The plants were allowed to grow for four months, and during this time every plant could interact with symbiotic fungi in the soil.Not all of the beanstalks, though, had the same relationship with the fungi. In each mesocosm, one plant was surrounded by a mesh penetrated by holes half a micron across. Gaps that size are too small for either roots or hyphae to penetrate, but they do permit the passage of water and dissolved chemicals. Two plants were surrounded with a40-micron mesh. This can be penetrated by hyphae but not by roots. The two remaining plants, one of which was at the center of the array, were left to grow unimpeded.Five weeks after the experiment began, all the plants were covered by bags that allowed carbon dioxide, oxygen and water vapor in and out, but stopped the passage of larger molecules, of the sort a beanstalk might use for signaling. Then, four days from the end, one of the40-micron meshes in each mesocosm was rotated to sever any hyphae that had penetrated it, and the central plant was then infested with aphids.At the end of the experiment Dr Johnson and his team collected the air inside the bags, extracted any volatile chemicals in it by absorbing them into a special porous polymer, and tested those chemicals on both aphids (using the winged, rather than the wingless morphs) and wasps. Each insect was placed for five minutes in an apparatus that had two chambers, one of which contained a sample of the volatiles and the other an odorless control.The researchers found, as they expected from their previous work, that when the volatiles came from an infested plant, wasps spent an average of 3½minutes in the chamber containing them and 1½in the other chamber. Aphids, conversely, spent 1¾minutes in the volatiles’chamber and 3¼in the control. In other words, the volatiles from an infested plant attract wasps and repel aphids.Crucially, the team got the same result in the case of uninfected plants that had been in uninterrupted hyphae contact with the infestedone, but had had root contact blocked. If both hyphae and roots had been blocked throughout the experiment, though, the volatiles from uninfected plants actually attracted aphids (they spent 3½minutes in the volatiles’chamber), while the wasps were indifferent. The same pertained for the odor of uninfected plants whose hyphae connections had been allowed to develop, and then severed by the rotation of the mesh.Broad beans, then, really do seem to be using their fungal symbionts as a communications network, warning their neighbors to take evasive action. Such a general response no doubt helps the plant first attacked by attracting yet more wasps to the area, and it helps the fungal messengers by preserving their leguminous hosts.Passage 4: Social Science (2), against Banks Labor Policy.to be added.Passage 5: Gouldian finches’head colour reflects their personality, Natural ScienceWhat this suggests is that behavioural characteristics, such as aggression and other traits, may be correlated with particular head colour morphs meaning that head colour is indicative of different personality types. This idea has been tested in a new paper by Leah Williams and her colleagues.In order to determine if head colour really does indicate personality traits in Gouldian finches Williams and her colleagues tested a number of predictions. First they looked at pairs of black-headed birds which were expected to show less aggression towards each other than pairs ofred-headed birds, this makes sense since red-headed birds had previously been found to exhibit higher levels of aggression.The second prediction was that red-headed birds should be bolder, more explorative and take more risks than black-headed birds. This hypothesis is based on previous studies of other species that have shown a correlation between aggression and these behavioural characteristics. However, there is another possibility, red-headed birds could take fewer risks for two reasons; first, they may be more conspicuous to predators due to their bright colouration and second, it may pay black headed birds to take more risks and be more explorative so they find food resources before the dominant red-headed birds do.In order to test the first prediction paired birds of matching head colour were moved into an experimental cage without food. After one hour of food deprivation a feeder was placed into the corner of the cage where there was only enough room for one bird to feed at a time. aggressive interactions such as threat displays and displacements were then counted over a 30 minute period.The results as shown in the figure below were striking. Red-headed birds were significantly and consistently more aggressive thanblack-headed birds.To test the birds willingness to take risks they were deprived of food for one hour before their feeder was replaced. After the birds had calmly begun to feed a silhouette of an avian predator was moved up and down in front of the cage to scare the birds from the feeder. The time it took for them to return to the feeder was taken as a measure of their willingness to take risks, birds that returned quickly were considered to be greater risk takers than those that were more cautious.This time the results were surprising. Red-headed birds were considerably more cautious than those with black heads at returning to the feeder after a “predator”had been introduced. As the figure below shows they took on average 4x longer to begin feeding again than the less aggressive black-headed birds.Finally, the authors investigated the birds interest in novel objects or “object neophilia”which is defined in the paper as “exploration in which investigation is elicited by an object’s novelty“. To do this a bunch of threads was placed on a perch within the cage, the time taken for the birds to approach the threads within one body length and to touch them were recorded over a one hour period. In line with the results from the risk taking experiment it was found that the aggressive red-headed birdsshowed less interest in novel objects than did black-headed birds. The difference is not so striking as the previous experiments but was statistically significant nonetheless.These experiments were repeated after a two month interval and showed that different birds differed in their responses but the responses of individual birds were consistent over time. Head colour was found to predict the behavioural responses of the birds. Red-headed birds were more aggressive than black-headed birds but took fewer risks and were not explorative.What is surprising about these results is that aggression does not correlate with risk taking behaviour, however, the authors do provide a convincing explanation, suggesting that…Interestingly boldness and risk taking behaviours were found to be strongly correlated, regardless of head colour they always occurred together forming a “behavioural syndrome”. This implies that there is selection in favour of specific combinations of traits and of head colour in relation to those traits. Selection favours aggression in red-headed birds and the boldness/risk taking behavioural syndrome inblack-headed birds. This makes sense when you consider the high risk of predation faced by red-headed birds if they take too many risks and the need for black-headed birds to find food away from the dominant red heads which occupy the safest foraging locations.Williams and her colleagues suggest that if red-headed birds are aggressive, and black-headed birds take more risks, this could lead to differences in foraging tactics. For example, black headed birds could increase their foraging opportunities by feeding at more risky sites away from interference by the dominant red-headed birds which feed in safer locations. The lower conspicuousness of their black heads means they are at less risk of predation at exposed sites that red-headed birds would be.The results of this fascinating study strongly support the hypothesis that head colour does indeed signal personality in Gouldian finches. I would love to see some more research in this area. The authors themselves suggest that more research is needed to find out what roles head colours play in social situations. It would also be interesting to find out how widespread this phenomenon is, given that birds frequently use plumage colouration as signals it seems likely to me that colour may indicate personality in other avian species.。
2018年5月SAT亚太考试内容回顾阅读：历史文献双篇
三立教育
2018年5月SAT亚太考试内容回顾阅读：历史文献双篇第四篇历史文献双篇
本次历史讲的是Frederick Douglass的一篇文章和Richard Dana的文章，比较令人意外的是这次也是观点一致型双篇，两篇都在说黑人应该有权投票权。
第一篇主要说Southern Bank's policies不让黑人投票的做法无异于奴隶制度，违背解放宣言初衷，而第二篇则侧重于古代奴隶制与美国奴隶制不同，认为基于人种的歧视十分不道德，黑人应该有和白人同样的权力。
本次历史文本部分难度不大，但选项都比较长，加大了做题难度和考试时间，可能会导致部分同学没有时间完成第五篇。
2018年5月SAT考试题回忆篇
2018年5月SAT考试题回忆篇今天三立在线教育SAT网为大家带来的是2018年5月SAT考试题回忆篇的相关资讯，备考的烤鸭们，赶紧来看看吧！下面就让我们一起揭开SAT5月考试的面纱吧，据三立在线小伙伴们介绍，此次题目难度较为常规，你答得怎么样呢？语法本次语法题比较常规，没有偏难的考点。
第一篇：文章主要讲述了天资聪颖的黑人天文学家Banneker的人生成就，主要包括working clock的发明，new USA Capital border的确立。
Banneker22岁的时候，那时人们很少使用clock,商人朋友借给他watch,对watch内部组建和构造的研究促进了他的发明。
Banneker还经常通过观察天空和太阳来判断时间。
他自幼被迫辍学，打理家庭农场。
但是他之前的老师却一直在估计他读书，Banneker也确实对读书和研究天文有些深厚的兴趣。
直到有一天她结识了隔壁磨坊主Ellicot，他是有钱的商人同时在天文学方面有着独特的造诣。
他俩经常到farm和house一起讨论astronomy 的观点，分享所得，并结交了深厚的友谊，在朋友帮以及Benneker的聪明才智和努力下，他成功得做了government assistant来承担划分border by time的工作，准备测量时间，地点，以及之间的种种联系，对国家做出了巨大的功效并取得了巨大的成名和声誉。
第二篇：Energy Storage Under Pressure第一段：可再生能源是个挑战，如何储存剩余能源留在高峰时期用。
例如风能会波动，晚上产能高而需求低。
相反太阳能白天产能高。
一种储存能源的方法叫CAES可以解决这些问题。
考了句子修改，词性第二段：有CAES系统的发电厂会用peak hour产生的多余energy来pump air道大的地下cavity，expanding air推动涡轮发电。
air进来后气压增加，后期需要energy的时候，发电厂从cavity释放pressure。
2018年SAT阅读题型清单 附5月5日SAT阅读真题题目分析
2018年SAT阅读题型清单附5月5日SAT阅读真题题目分析5月5日SAT考试结束，大家考得如何?本文将聚焦其中的SAT阅读部分，分析所有题目所考察的题型，从而对应到OG指示给我们的18种SAT阅读题型。
2018SAT阅读题型清单一、Information and Ideas: The Author's Message (对文本信息的考察)包括以下题型：1、文本细节的考查1)直接信息题(Explicit Meaning)，该类题型能够直接从文本中找到信息，题目中通常出现如下字眼“According to the passage,""states,""indicates,"等。
如：The authors indicate that people value gift-giving because they feel it…?2)隐含信息题(Implicit Meaning)，该类题型需要理解文本的隐含意思，题目中通常出现如下字眼“based on the passage,” "it can reasonably be inferred,""implies,"等。
如：Based on the passage, the author's statement "…" implies that…?3)类比题(Analogy)，考察对文本内容特征的把握及应用，如“Which of the following situations is most analogous to the relationship mentioned in line 5 to 10?2、文本论据的考查循证题(Citing Textual Evidence)，要求为上一题的答案寻找论据或者为某个结论提供论据。
如：Which choice provides the best evidence for the answer to the previous question? (寻找上一题答案论据)，或者In lines 46-50("Prosecutions…sens")，what is the most likely reason Jordan draws a distinction between two types of "parties"? (为某个结论提供论据)循证题是对文本论据的考察，在每个篇章中会出现两题，共10题。
2018届高三英语下学期第二次质量检查(5月)试题
2018届高三英语下学期第二次质量检查（5月）试题第一部分听力(共两节, 满分30分)做题时，先将答案划在试卷上。
录音内容结束后，你将有两分钟的时间将试卷上的答案转涂到答题卡上。
第一节(共5小题;每小题1. 5分满分7. 5分听下面5 段对话。
每段对话后有一个小题，从题中所给的A、B、C 三个选项中选出最佳选项，并标在卷的相应位置。
听完每段对话后，你都有10 秒钟的时间来回答有关小题和阅读下一小题。
每段对话仅读一遍。
例：How much is the shirt?A. £19.5.B. £ 9.18.C. £ 9.15.答案是C。
1. What is required to do for the weekend?A. To write a book review.B. To recommend a book.C. To finish some exercises.2. Where does this conversation probably take place?A. In a bookstore.B. In a reading room.C. In a computer lab.3. What was the weather like?A. Snowy.B. Rainy.C. Sunny.4. What does the woman think of her hometown?A. Noisy.B. Crowded.C. Remote.5. When does the film begin?A. At 5:15.B. At 5:20.C. At 5:35.第二节 (共15小题;每小题1. 5分, 满分22. 5分)听下面5 段对话或独白。
每段对话或独白后有几个小题，从题中所给的A、B、C 三个选项中选出最佳选项，并标在试卷的相应位置。
听每段对话或独白前，你将有时间阅读各个小题，每小题5 秒钟;听完后, 各小题将给出5 秒钟的作答时间。
2018年5月SAT亚太考试内容回顾阅读：小说
三立教育
2018年5月SAT亚太考试内容回顾阅读：小说
中等难度，五篇文章除了出现观点一致的历史文献双篇，其他文章都比较中规中矩。
本次小说节选自Nikolai gogol的the mysterious portrait。
文章首先描述了年轻艺术家的才华，之后讲述了教授对年轻艺术家的肯定，但同时告诫他不要成为追逐于流行取悦大众的艺术家。
而年轻艺术家虽然有才华有能力，但生活的窘境使得他很羡慕有钱且有名的画家们。
这篇小说文章本身不难，主旨及人物关系，人物情感都比较清晰，大家在处理时应该压力不大。
题目主要涉及主旨题，词汇题，细节理解及询证，整体中规中矩。
2018年5月SAT每日一题
2018年5月SAT每日一题今天三立在线教育SAT网为大家带来的是2018年5月SAT每日一题的相关资讯，备考的烤鸭们，赶紧来看看吧！Mathematics 〉Standard Multiple ChoiceRead the following SAT test question and then click on a button to select your answer.In the US House of Representatives，about 12.2% of the representatives are from the state of California. If there are 435 representatives，how many are not from California？A.12.2B.53C.382D.488答案：C解析：Choice C is correct. Use the variable r to represent the number of representatives from California，set up an equation to determine how many representatives are from California.(0.122)(435)=r，and so r=53.07There are 53 representatives from California.To find the number of representatives not from California，subtract the number of representatives from California from the total number of representatives.435-53=382Therefore，382 of the representatives are not from California.如上就是三立网课教育小编为大家带来的2018年5月SAT每日一题的相关资讯，掌握最新SAT资讯，敬请关注（三立在线教育SAT网）更多SAT考试资讯以及备考资料免费领！。
2018年5月北美SAT考试真题回顾
2018年5月北美SAT考试真题回顾今天三立在线教育SAT网为大家带来的是2018年5月北美SAT考试真题回顾的相关资讯，备考的烤鸭们，赶紧来看看吧！考情汇总1、难点还是集中在阅读上，小说和双篇文章登顶此次最难的两篇。
2、此次考试的语法部分没有特别难的问题，考生均反映难度适中。
3、写作部分选取的文章非常有利于考生展开分析！4、此次考试数学非常容易，就连北美的同学（美国人）都反映此次数学几乎无压力！5、加试部分为数学，难度依旧非常低。
阅读部分第一篇：小说小说选自美国经典现实主义小说Sister Carrie，作者为Theodore Dreiser，最早出版于1900年。
小说描述了一个贫困的乡村姑娘来到大城市生活，内心向往富足的生活。
为了摆脱穷困，先后跟推销员和酒店经理同居，最后历经磨难，终成一个著名演员。
小说截取的部分在论述Carrie 在看一出关于纽约奢华生活的舞台剧。
台上演员华衣美服，居所装修华丽，生活应有尽有。
Carrie 不免生出羡慕向往之心。
舞台剧还体现了这些生活在理想状态人还收到感情爱情嫉妒的折磨，这更让Carrie 羡慕，谁不愿意坐在金椅子里发愁，谁会不愿意在洒了香水的挂毯、有坐垫的家具和穿着制服的仆人那样的条件下受些折磨呢？回到她小小的flat（套间），Carrie 暗暗下决心，假如我不能过上那样的生活，我就等于没有活过，或者说自己活过。
第二篇、自然科学科研型文章研究的主要目的在于探究人类大脑如何区分现实和虚拟（广告/小说人物/童话)信息。
研究者呈现给受试者不同的场景：一，广播听到或报纸阅读到关于布什(总统)和灰姑娘，二，跟总统或跟灰姑娘共进晚餐。
然后利用MRL 研究他们大脑不同区域的活跃度。
现实和虚拟信息都会激起大脑某些区域比如管记忆的海马沟。
不同的是，现实信息还会激起独特的一个脑区域，这个脑区域跟短时记忆和注意力有关。
一直相对，虚拟的信息会激起一个跟语言相关的脑区域。
研究者后来又在另一拨受试者重复了实验，这次根据跟受试者现实相关的程度设置信息。
最新2015年5月SAT北美作文真题回忆及范文参考
SAT是由美国大学委员会(College Board)主办的一场考试，其成绩是世界各国高中生申请美国大学入学资格及奖学金的重要参考，它和ACT(American College Test)都被称为美国高考。
以下是我能网小编为大家带来的关于2015年5月SAT北美作文真题回忆及范文参考，以供大家参考!5月份的SAT考试已经结束。
这次北美的作文考题是：Does loyalty require unconditional support?这次5月份北美的作文考题，难度一般，还是符合经典的作文题套路的，同学们的很多经典例子也都可以使用。
本题一个逻辑上比较合理的切入点，就是从中文中常说的愚忠这一角度入手。
很多时候我们虽然忠诚于某些人或事，但是他们的选择很有可能是错的。
如果这种情况下还无条件地给予支持，毫无疑问会让他们走上错误的道路最后导致失败。
这样这道题目的逻辑就基本上搭建起来了。
在例子方面，对于loyalty的理解，既可以是狭义上，人们对于朋友，家人的忠诚，也可以是广义上，对于国家，事业或者理想的忠诚。
这样一拓展思路，相信同学们的例子库里面有不少这样的例子。
选出这样的例子，在写例子的过程中按照以下的脉络都可以论证题目：A和B的背景介绍——B忠诚于A——A有一个错误的决定——B虽然忠诚，但还是对A直言其错误——A意识到错误，避免了失败或获得成功A和B的背景介绍——B忠诚于A——A有一个错误的决定——B因为忠诚，给予A无条件支持——A因此犯错，导致失败范文：Loyalty does not necessarily require unconditional support. Whatever and whoever we are loyal to, be it our family members, friends, countries or ideals, it is possible that they make mistakes or are ultimately wrong. True loyalty, which to a great extent equals the intention of leading the people or things we are loyal to to better results, requires us to point out clearly and directly those mistakes instead of giving unconditional support and resulting in their failures. In fact, in various fields, there are many who have demonstrated this point perfectly.Nelson Mandela, though loyal to his country, stopped his support for it when he found out the country was going on the wrong path. In his autobiography, A Long Walk to Freedom, Nelson Mandela expressed his deep love since childhood for his country, South Africa, the place of a long history and beautiful natural sceneries where he was raised by other ordinary people. Undoubtedly, the young Nelson Mandela was loyal to his country. However, when he gradually became a teenager, he realized thathis country was doing something disastrously wrong – segregation. The black people in his country were faced with unequal treatment almost everywhere in their lives, and the segregated social system hindered the development of the country in culture, economy and politics. Mandela in such a circumstance did not offer his country unconditional support. Loyal as he was to his nation, he started taking actions to prevent his country from going further in the wrong direction. He organized military forces to fight against the segregated government. Although he failed in the beginning and was tossed in the prison, after 27 years’ persistence, he was released and successfully abolished apartheid in the country by negotiating with the president, leading South Africa to rebirth and booming development. If Nelson Mandela had supported his country blindly, his country would have still been struggling in inequality because of his “loyalty” and such a huge change would never have been possible.Refusing to provide support can lead to success and likewise, continuing supporting without condition will often give rise to failures, as is illustrated in the experience of Michael Jordan. In 1998, Michael Jordan retired with unprecedented honors: 6 NBA championships and 6 NBA Finals MVPs. His achievement made him universally regarded as the greatest basketball player in human history. Consequently, his earned himself hundreds of millions fans who admired him so much, looking up to him not only for his performance on the basketball court but also what he did in life. This was why when Jordan announced his decision to come back to the league at the age of 38, almost none of his fans showed their disapproval. Although a great number of them had noticed that Jordan was too old to still compete with young and talented players like Kobe Bryant and Allen Iverson, their loyalty to their idol led them to unconditionally support this irrational decision. Overwhelmed by such support from his fans, Jordan did return, but his two years in the Washington Wizards to some degree was a failure for his glorious career. Not only was his career stats lowered, but he also failed in leading the team into Playoffs. Had his fans in time showed their disapproval instead of blindly supporting him, Michael Jordan would perhaps have corrected himself and spent his time on other more valuable things like starting his management career.In a word, providing support without conditions will often keep the people or things we are loyal to making wrong decisions. In this way, our loyalty is never true; it is only a poison that lures disasters.。
【5月备考】SAT阅读每日一题 2018.04.18
【5月备考】SAT阅读每日一题 2018.04.18为广大sater带来2018年4月18日的SAT阅读每日一练，考察语篇阅读中的行文理解能力，先有针对性在文章出题去做快速阅读，再做推断，最后通读全文，积累词汇。
反复咀嚼，岂不妙哉。
4月18日SAT阅读每日一练Like an opera house, which has its public entrance separate from that for the performers, a cell has different doors for different molecules. Each gets scrutinized at its door before it can enter the cell. Now researchers from the University of California at San Francisco have revealed in the journal Science the three-dimensional structure of one such door, or membrane channel, that specializes in granting entry to a membrane component known as glycerol. Specifically the channel is called the glycerol facilitator (GlpF), from the bacterium Escherichia coli.Bearing three alcohol groups, glycerol is a basic building block for the cell membrane. (Other components include fatty acids and small charged molecules.) And not just in E. coli. Indeed, although the channel the researchers studied is from a bacterium, it belongs to a large protein family dubbed the aquaporins, which are found in species ranging from bacteria to humans.GlpF is highly specific for glycerol and similarpolyalcohols. Somehow, even though water molecules are much smaller, they cannot enter. The new study reveals why. In order for glycerol to clear the four-channel configuration in the cell membrane, it must pass through a narrow selectivity filter in the center of a channel. Here it is surrounded by amino acids that closely match its own structure, which is hydrophilic ("water-loving") on one side and hydrophobic ("water-fearing") on the other. Water molecules, in contrast, can only pass through this area in single file, which is not energetically favorable, because they like to bond to one another. And ions, which are charged, are unable to pass the "water-fearing" side of the channel. This cell entrance, it seems, is truly exclusive.In the first paragraph, the example of an opera house primarily serves to _________在第一段中，举歌剧院的例子主要用来做什么A. clarify the reader's understanding of the role of a cell's membrane channels.B. highlight differences between the structural components of buildings and the structural components of cells.C. help the reader visualize the size of a glycerol facilitator relative to that of a cell.D. suggest the complexity of the process by which cell membranes develop.答案：A解析：Choice A is the best answer. The author uses the familiar concept of a building with different entrances -- in this case, an opera house with one door for the audience and another door for the performers -- to help the reader understand that cell membrane channels are entrances that allow different molecules into a cell.4月18日SAT阅读每日一练推荐词汇block[blɔk]n. 街区，木块，石块 . 阻塞(物), 障bond[bɔnd]n. 债券，结合，粘结剂，粘合剂 vt. 使结configuration[kən.figju'reiʃən]n. 结构，布局，形态，格式塔心理完形 [计算机] 配置filter['filtə]n. 筛选，滤波器，过滤器，滤色镜 v. 过滤highlight['hailait]n. 加亮区，精彩部分，最重要的细节或事件，闪光点bacterium[bæk'tiəriəm]n. 细菌exclusive[iks'klu:siv]adj. 独占的，唯一的，排外的 n. 独家protein['prəuti:n]n. 蛋白质cell[sel]n. 细胞，电池，小组，小房间，单人牢房，(蜂房的)巢室understand[.ʌndə'stænd]vt. 理解，懂，听说，获悉，将 ... 理解为，认为。
2012年5月SAT真题阅读全文翻译精讲
2012年5月SAT真题阅读全文翻译精讲2012年5月SAT真题阅读全文翻译精讲9-10题根据下面这篇短文回答自从伊比利亚的探险者们把现今的佛罗里达州，新墨西哥州，德克萨斯州以及加利福尼亚州开拓为殖民地之后，西班牙语就已经在北美大陆开始使用，并且在过去的几十年中变得无处不在。
但是在格兰德河以北西班牙语的扩散是与别的语言交融的。
越来越多的拉丁裔生活在美国的标志是，在主要城市以及乡村都普遍使用一种非常有创造性的混合语言：这种语言不是西班牙语也不是英语，而是一种被称作西班牙式英语（Spanglish）的混合语言。
这个名词以及它的影响都很具争议性。
纯粹主义者拒绝承认将西班牙式英语做为沟通的方式；他们认为语言是停滞的，然而实际上它是处于永恒的变化状态。
9. 文章的作者认为这种“混合语言”（第9行）是什么样的？A. 费解的（inexplicable）B. 有独创性的（ingenious）C. 荒唐的（ludicrous）D. 不吉利的（ominous）E. 不成功的（unfortunate）正确答案：B题目解析：文章中作者形容这种混合语言的时候是这样形容的：“有创造性的混合语言”（creative amalgam）与该形容词比较接近的只有B选项有独创性的（ingenious)，因此B项正确。
10. 在文章中第12行，“停滞的”（stagnant）与下面哪个词最接近？A. 肮脏的（foul）B. 腐烂的（rotten）C. 无聊的（boring）D. 不变的（unchanging）E. 迟缓的（sluggish）正确答案：D题目解析：文章中提到stagnant意指某些人认为语言是静止的，停滞的，不会再发生变化的，与下文中的“永久性的变化”（eternal renovation）是相反的，与改词意思最为接近的是D选项，不变的。
E选项sluggish迟缓的意思是虽然行动或者流动速度非常慢，但是依然是出于运动状态的，所以排除该选项。
2018年5月SAT亚太考试内容回顾阅读：生物(二)
三立教育
2018年5月SAT亚太考试内容回顾阅读：生物（二) 第五篇自然科学：生物
第五篇自然科学主要讲鸟类头部颜色，性格和行为之间的相关性。
文章主要对比的是red-headed bird和black-headed bird之间攻击性行为，大胆性以及冒险程度之间的关系。
文章提及了三个实验，分别得到黑头鸟比红头鸟吃食更快更大胆;面对假捕食者时，黑头鸟更大胆;在面对食物竞争时，红头鸟更谨慎而黑头鸟更大胆。
本篇自然科学依然中规中矩，文章主旨及实验部分都不算难，题目中多为推理题与循证题的搭配。
2019年5月北美SAT考情回顾
文法篇
根据来自北美考场的考情回顾，考生反应本次考试难度中等偏上，原 因在于考察到文章内容、需要理解的题目偏多。 从语法类题目的考察来看，在这次考试里引发议论最多的是标点符号
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类题目，特别是逗号在含有直接引语的句子里怎样使用的问题。此外， 句子结构方面，句子完整性和从句构成的考点也是一些考生存在疑问 的考察点。其实跟历次考试情形相同的是，纯语法类题目需要重点掌 握的标点和句型类知识点仍然占重头戏，也是平时备考时需要牢固掌 握的内容。扎实练习、排查难点，考场上才能以不变应万变。此外， 代词用法、名词单复数、动词搭配等常见考察问题也出现在这次试题 中，难度适中。 在考察文章内容的方面，北美考生在过渡句、结尾句以及增删内容类 题目遇到了一些问题。由于这类题目需要抓住文章主题和结构特征、 理解较多的文字，跟单纯考语法的题目相比，对阅读能力要求较高、 耗时也较多，平时备考时提高对练习篇章的结构分析和素材积累、明 确题目考察目的是破解此类题目的准备方向。 这次语法考试中，考察的文章题材仍是常见类型，比如跟恐龙 （Dinosaur）有关的自然科学话题、介绍流行（fashion）趋势的文化 现象类话题等。
阅读篇
第一篇 小说 讲了一个英国作家买房子的故事，一开始描述了找房子的过程，后面 讲了房子的意义。大部分同学反映这是最难的一篇。 有一道题问 what was his reaction when he read the mail? 答案是 He didn't initially understand the significance. 还有一题问 what was the tone of the none of your business thing？答 案是 wry。 还有一题问 the words like "facade", "frontage" in the last paragraph serve to，答案选 showing parallels with his personality。
2018月5月5日SAT阅读真题超详解读
2018月5月5日SAT阅读真题超详解读今天三立在线教育SAT网为大家带来的是2018月5月5日SAT阅读真题超详解读的相关资讯，备考的烤鸭们，赶紧来看看吧！整个SAT阅读考试体现出的特点是：全面考察图表信息分析，图表题数量略增加;文学持续考少数族裔面临的问题，没有全文主旨题，突出体现文化冲击;历史继续考美国制宪会议，关于是否成立联邦的争执;自然科学文章难度稍大。
以下为详细的解读部分。
SAT阅读真题解读1之文学类第一篇“The Mysterious Portrait”的节选，作者NicolaiGogol。
讲了一个艺术家内心的价值观冲突，一方面他的教授劝告他不要浮躁要专心于艺术创作不要浪费他的天赋; 另一方面他自己面临的现实是如果高雅艺术根本赚不到什么钱，生活无法负担，只能去做一些迎合买家的作品。
题目：第一题：大意题：the passage mainly concerns，(答案：the struggle the artist’s values)第二题：段落目的题，the main purpose of the first paragraphis ，(答案：to present the main character’sartistic traits)第三题&第四题：询证题，the professor’sview of great art is，(答案：it should be artistic accomplished andnot garish)第五题：词汇题，fashionable，(答案：trendy)第六题：细节推断题，the professor and the artist differs intheir views concerning whether，(答案：gaining money is detrimental to artisticintegrity)第七题：词汇题，考want，(答案：need)第八题&第九题：询证题，问the artist’s view of highartistic standard is that ，(答案：it is laborious and does not get thedeserved compensation)第十题：段落目的题，问the purpose of the last paragraph，(答案：tocatalogue the frustrations of the young artist)SAT阅读真题解读2之社科类选于Remember That? No YouDon’t.Study Shows FalseMemories Afflict Us All，作者Tara Thean文章大意：现象解释性文章，第一段首先列出了一个现象：false memories是一种普遍存在的现象，即便那些记忆力超强，对经历的事情无论是时间地点还是其他具体细节都记得清清楚楚的人都会受到这种记忆误区的影响。
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2018年5月北美SAT考试真题回顾今天三立在线教育SAT网为大家带来的是2018年5月北美SAT考试真题回顾的相关资讯，备考的烤鸭们，赶紧来看看吧！考情汇总1、难点还是集中在阅读上，小说和双篇文章登顶此次最难的两篇。
2、此次考试的语法部分没有特别难的问题，考生均反映难度适中。
3、写作部分选取的文章非常有利于考生展开分析！4、此次考试数学非常容易，就连北美的同学（美国人）都反映此次数学几乎无压力！5、加试部分为数学，难度依旧非常低。
阅读部分第一篇：小说小说选自美国经典现实主义小说Sister Carrie，作者为Theodore Dreiser，最早出版于1900年。
小说描述了一个贫困的乡村姑娘来到大城市生活，内心向往富足的生活。
为了摆脱穷困，先后跟推销员和酒店经理同居，最后历经磨难，终成一个著名演员。
小说截取的部分在论述Carrie 在看一出关于纽约奢华生活的舞台剧。
台上演员华衣美服，居所装修华丽，生活应有尽有。
Carrie 不免生出羡慕向往之心。
舞台剧还体现了这些生活在理想状态人还收到感情爱情嫉妒的折磨，这更让Carrie 羡慕，谁不愿意坐在金椅子里发愁，谁会不愿意在洒了香水的挂毯、有坐垫的家具和穿着制服的仆人那样的条件下受些折磨呢？回到她小小的flat（套间），Carrie 暗暗下决心，假如我不能过上那样的生活，我就等于没有活过，或者说自己活过。
第二篇、自然科学科研型文章研究的主要目的在于探究人类大脑如何区分现实和虚拟（广告/小说人物/童话)信息。
研究者呈现给受试者不同的场景：一，广播听到或报纸阅读到关于布什(总统)和灰姑娘，二，跟总统或跟灰姑娘共进晚餐。
然后利用MRL 研究他们大脑不同区域的活跃度。
现实和虚拟信息都会激起大脑某些区域比如管记忆的海马沟。
不同的是，现实信息还会激起独特的一个脑区域，这个脑区域跟短时记忆和注意力有关。
一直相对，虚拟的信息会激起一个跟语言相关的脑区域。
研究者后来又在另一拨受试者重复了实验，这次根据跟受试者现实相关的程度设置信息。
结果还是成立，研究者进一步拓展，现实和虚拟其实跟不在于人物本身的现实程度，更跟信息与受试者现实生活的相关度有关。
第三篇自然科学文章讲述野猫到家猫的变化，研究其中的基因变化过程。
通过对比22种家猫和4种夜猫的基因组，科学家发现13种基因组发生变化，就是这些变化导致夜猫可以被驯化。
在文章后来提到了，家猫身上的一些细胞有迁移变化的现象。
也就是经过了所谓的基因突变，这个改变会对猫的性情产生比较大的影响，让猫变得容易驯化。
最后，在文章的结尾处提问为什么相比猫，狗更容易被驯化。
是因为人在驯化狗之前做了狗的筛选，筛选出类易于被驯化的狗，而猫则不是。
第四篇：历史类双篇文章考到了美国历史上著名的“堪萨斯-内布拉斯加法案”，这个法案本身是对奴隶制的一个妥协，激化了国内废奴运动。
此次双篇文章的作者分别是史蒂芬·道格拉斯，和查尔斯·桑诺。
其中前者基于自己的利益角度出发，认为奴隶制应该在国内存在妥协，即便要废除，也应该把这样的决定留给人民。
而查尔斯的观点则相当激进，认为奴隶制的存在就是不可被容忍的，所谓的“堪萨斯-内布拉斯加法案”就是一个骗局，人们连自己的政府都无法选择，怎么会有权力去选择要不要废奴。
第五篇：自然科学文章主要讲述哈勃望远镜的一个探测历史的功能。
目前哈勃望远镜可以到五块不同天空的宇宙组装近红外深超星系遗产技术（the Cosmic Assembly Near-infraredDeep Extragalactic Legacy Survey）来测量五块代表性天空。
探测到一亿年前宇宙的形态。
这个研究有利于人类探索历史进程。
同时，文章后半部分提到了哈勃望远镜在不同领域做出的研究成果、采集数据的有效性，同时提出这些数据是完全公开的，有助于科学家采用分析。
语法部分语法部分这次考试难度中等，考察范围都是常规考点。
同学们一直很头疼的词汇部分，一道考察了relent, loose up 和cave 在语境里的styleand tone，另一道则需要辨析excessive, prolific, magnanimous 的意思。
语篇部分总体难度适中，值得注意的是会几个涉及到对段落开头部分的考察，包括段落首句是否该添加额外句子，两个段落之间过渡句以及句子排序（before the first sentence），需要大家对于段落内容有整体的把握。
由于此部分难度较低，学生对文章内容的反馈并不是非常全面，考到的Sherkock文章倒是让考生们甚为放松，考完了还在拿着个开玩笑。
第一篇：关于垃圾填埋场改建的问题，改成公园之后会让整个环境更好。
第二篇：关于神探Sherlock的小说创作问题，作者由于觉得整天构思Sherlock的故事太费脑子了，于是让Sherlock跟反面人物决斗之后死掉了。
但这样的结果显然不能让读者满意，所以作者最后只好复活了Sherlock，并继续烧脑地写这个故事。
数学部分此次美国本土同学反应的难点还是在函数图像上，此次考试考到了一个圆的半径计算，很多本土同学略一激动，把算出来的直径给写上了，考完之后一对答案后悔连连。
所以根据大家此次的反应，还是要继续练习，不要放松自己平时的计时训练。
写作部分原文如下：Adapted fro m the Los Angeles Times Editorial Board, “Base food labeling on fact, not fear" ©2014 by the Los Angeles Times. Originally published May 5, 2014.【1】The scientific evidence on genetically engineered food, which has been around for two decades, indicates that it is as safe for human consumption as any other food. A California bill that would require the labeling of bioengineered food — whose DNA has been modified in the laboratory to introduce certain traits —caters to a scare campaign that is not based on solid evidence.【2】If a consumer has personal concerns about genetically modified food, there are other ways to avoid it. Trader Joe's, for example, has announced that food soldunder its label contains no genetically engineered ingredients. There are apps and Internet sites to inform consumers about other foods. And companies that do not bioengineer their foods are certainly free to say so on their labels. But the science does not support mandatory labeling.【3】State Sen. Noreen Evans (D-Santa Rosa) has said that her bill doesn't make judgments about whether genetically engineered food is inherently good or bad but merely informs consumers. Yet the wording says otherwise. It's full of negative declarations about such food, with no mention of the positives. "United States government scientists have stated that the artificial insertion of genetic material into plants via genetic engineering can increase the levels of known toxicants or allergens in foods and create new toxicants or allergens with consequent health concerns," the bill says. It doesn't note that hundreds of studies, many by independent scientists who took no industry money, have found no credible evidence that bioengineered food has actually done any of those things, or is dangerous in any way to human health. Reviews by the American Medical Assn., the Food and Drug Administration, the World Health Organization and the National Academy of Sciences have all concluded that genetically engineered food appears to be as safe as any other.【4】That's not to say there are no downsides. Studies have raised legitimate concerns, for instance, that bioengineered crops designed to withstand the herbicide glyphosate, more commonly known by the Monsanto brand name Roundup, encourage farmers to overuse it, fostering the growth of resistant weeds.The AMA, though it has said that genetically engineered food should not be labeled, has also called on the federal government to require more safety testing before new bioengineered products can be marketed.【5】These issues are worth consideration, but labeling would not resolve either one. Most farms use pesticides, including some more dangerous than glyphosate, but their products don't have to be labeled accordingly. Labeling requirements should have logical consistency; the campaign to label genetically engineered foods doesn't.【6】SB 1381 would require conspicuous yet imprecise labels notifying consumers that the food contains some genetically engineered ingredients, without making it clear what the engineering was meant to accomplish. Food companies are developing products for reasons other than to make pesticide use easy, such as building resistance into crops, like oranges, that are threatened by disease, or creating non-allergenic forms of some grains. But the labels wouldn't give these details. They would serve mainly to frighten grocery shoppers by implying that there is something wrong with the food, without making them better informed. And the labels would be so ubiquitous as to be almost meaningless; it's widely estimated that 70% to 80% of the packaged food in conventional supermarkets contains genetically engineered ingredients.【7】There are more worrisome agricultural practices that do affect human health, especially the overuse of antibiotics in livestock. "There is strong evidence that some antibiotic resistance in bacteria is caused by antibiotic use in foodanimals," the U.S. Centers for Disease Control and Prevention reports. Yet no one has been campaigning for labels on meat that comes from antibiotic-treated livestock. As with bioengineered food, this is best dealt with by appropriate safety regulations, not labels.【8】There's a limit to what manufacturers can tell consumers about their food — labels can't enumerate every possible or perceived concern. Labeling laws should set a priority on providing information that significantly affects consumer health. They should be based on facts, not fear.如上就是三立网课教育小编为大家带来的2018年5月北美SAT考试真题回顾的相关资讯，掌握最新SAT资讯，敬请关注（三立在线教育SAT网）更多SAT考试资讯以及备考资料免费领！。