老托福阅读真题及答案：passage12

0308托福试题阅读（55minutes）Question 1-11If food is allowed to stand for some time, it putrefies .When the putrefied materialis examined microscopically ,it is found to be teeming with bacteria. Where do thesebacteria come from , since they are not seen in fresh food? Even until the mid-nineteenthcentury, many people believed that such microorganisms originated by spontaneous(5 )generation ,a hypothetical process by which living organisms develop from nonlivingmatter.The most powerful opponent of the theory of spontaneous generation was the French chemist and microbiologist Louis Pasteur(1822-1895).Pasteur showed that structurespresent in air closely resemble the microorganisms seen in putrefying materials .He did(10) this by passing air through guncotton filters, the fibers of which stop solid particles. Afterthe guncotton was dissolved in a mixture of alcohol and ether, the particles that it hadtrapped fell to the bottom of the liquid and were examined on a microscope slide .Pasteurfound that in ordinary air these exists a variety of solid structures ranging in size from0.01 mm to more than 1.0 mm .Many of these bodies resembledthe reproductive(15)structures of common molds, single-celled animals, and various other microbial cells .As many as 20 to 30 of them were found in fifteen liters of ordinary air ,and they couldnot be distinguished from the organisms found in much larger numbers in putrefying materials .Pasteur concluded that the organisms found in putrefying materials originatedfrom the organized bodies present in the air .He postulated thatthese bodies are constantly(20)being deposited on all objects.Pasteur showed that if a nutrient solution was sealed in a glass flask and heated toboiling to destroy all the living organisms contaminating it, it never putrefied .The proponents of spontaneous generation declared that fresh air was necessary forspontaneous generation and that the air inside the sealed flask was affected in some way(25)by heating so that it would no longer support spontaneousgeneration. Pasteur constructed a swan-necked flask in which putrefying materials could he heated to boiling, but aircould reenter. The bends in the neck prevented microorganisms from getting in the flask.. Material sterilized in such a flask didnot putrefy.1,What does the passage mainly discuss?(a)Pasteur’s influence on the development of the microscope.(b)The origin of the theory of spontaneous generation .(c)The effects of pasteurization on food.nst the theory of spontaneous generation .(d)Pasteur’s argument agai2,The phrase “teeming with ”in line 2 is closest in meaning to(a)full of(b)developing into(c)resistant to(d)hurt by3,Which of the following questions did the theory of spontaneous generation attempt to answer?(a)What is the origin of the living organisms are seen on some food?(b)How many types of organisms can be found on food?(c)What is the most effective way to prepare living organisms for microscopic examination?(d)How long can food stand before it putrefies?4,The word “resemble” in line 9 is closest in meaning to(a)benefit from(b)appear similar to(c)join together with(d)grow from5,The purpose of the “guncotton” mentioned in paragraph 2 was to(a)trap particles for analysis(b)slow the process of putrefaction(c)increase the airflow to the microscopic slide(d)aid the mixing of alcohol and ether6,The author mention “1.0mm”in line 14 in describing the(a)thickness of a layer of organisms that was deposited on an object(b)diameter of the fibers that were in the guncotton filters(c)thickness of the microscope slides that were used(d)size of the particles that that were collected7.The word “postulated”in line 19 is closest in meaning to(a)analyzed(b)doubted(c)persuaded(d)suggested8.The objects that Pasteut removed from the air in his experimentwere remarkable because they were(a)primarily single-celled organisms(b)no different from objects found in putrefying materials(c)fairly rare(d)able to live in a mixture of alcohol and ether9.The word “it” in line 22 refers to(a)a nutrient solution(b)a glass flask(c)boiling(d)spontaneous generation10.According to paragraph 3,proponents of spontaneous generation believed that which of the following was important for the process to succeed ?(a)A sealed container(b)Fresh air(d)The presence of nutrients11.It can be inferred from paragraph 3 that Pasteur employed a swam-necked flask to(a)store sterilized liquids for use in future experiments(b)prevent heat from building up in a solution(c)disprove a criticism of his conclusions(d)estimate the number of organisms in a liter of airQuestions 12-20In the early decades of the United States ,the agrarian movement promoted the farmerhero. In the minds of agrarian thinkers and as society’swriters ,the farmer was a person on whose well-being the health of the new country depended .The period between theRevolution, which ended in 1783,and the Civil War ,which ended in 1865 ,was the age of(5 )the farmer in the United States .Agrarian philosophers ,represented most eloquently byThomas Jefferson, celebrated farmers extravagantly for their supposed centrality in a goodsociety, their political virtue ,and their Superior morality .And virtually all policy makers, whether they subscribed to the tenets of the philosophy held by Jefferson or not, recognized agriculture as the key component of the American economy .Consequently ,government at(10)all levels worked to encourage farmers as a social group and agriculture as economicenterprise.Both the national and state governments developed transportation infrastructure,building canals, roads, bridges, and railroads ,deepening harbors ,and removing obstructions from navigable streams .The national government imported plant and animal varieties and(15) launched exploring expeditions into prospective farmlands in the West .In addition ,government trade policies facilitated the exporting of agriculturalFor their part ,farmers seemed to meet the social expectations agrarian philosophershad for them ,as their broader horizons and greater self-respect, both products of the Revolution ,were reflected to some degree in their behavior .Farmers seemed to become(20)more scientific ,joining agricultural societies and reading the farm newspapers that sprangup throughout the country .They began using improved implements, tried new crops andpure animal breeds , and became more receptive to modern theories of soil improvement .They also responded to inducements by national and state governments .Farmersstreamed to the West ,filling frontier lands with stunning rapidity .But farmers responded(25)less to the expectations of agrarians and governmentinducements than to growing market opportunities .European demand for food from the United States seemed insatiable . War, industrialization , and urbanization all kept demand high in Europe . United States citiesand industries grew as well; even industries not directly related to farming thrived becauseof the market, money ,and labor that agriculture provided .12.What does the passage mainly discuss?(a)The agrarian philosophy of Thomas Jefferson(b)The role of the national government in the development of agriculture(c)Improvements in farming techniques(d)The impact of the increased importance of the farmer13.The word “depended” in line 3 is closest in meaning to(a)improved(b)relied(c)demanded(d)explained14.The author mentions Thomas Jefferson in paragraph 1 as anexample of(a)a leader during the Revolution(b)an inventor of new farming techniques(c)a philosopher who believed farmers were essential to the creationof a good society(d)a farmer who guided the agrarian movement toward an emphasison economic developmentclosest in meaning to15.The phrase “subscribed to” in line 8 is(a)contributed to(b)agreed with(c)thought about(d)expanded on16.Which of the following statements is supported by the information in paragraph 1?views of (a)All government policy makers accepted Jefferson’s agriculture and farmers.(b)Agricultural production declined between 1783 and 1861.(c)The majority of farmers worked for the government.(d)Agriculture was a vital part of the nation’s economy.17.According to the passage , the national and state governments didall of the following EXCEPT(a)build roads(b)import new plant varieties(c)give farmers money for their crops(d)develop policies that helped farmers export their products18.All of the following are mentioned as examples of farmers’　meeting the expectations of agrarian philosophers EXCEPT(a)obtaining information from farm newspapers(b)accumulating personal wealth(c)planting new crops(d)becoming more scientific19.The word “stunning” in line 24 is closest in meaning to(a)predictable(b)impressive(c)famous(d)gradual20.Which of the following statements is best supported by paragraph4?(a)Agricultural development contributed to development in otherparts of the economy.(b)European agricultural products were of a higher quality thanthose produced in the United States.(c)The growing settlement of the West led to a decrease inagricultural production.(d)Farmers were influenced more by government policies than bymarket opportunities.Question 21-29The wide variety of climates in North America has helpedspawn a complex pattern ofsoil regions. In general, the realm’s soils also reflect the broad environmental partitioningand “arid A merica.”　Where annual into “humid America”　precipitation exceeds 20 inches(50 centimeters),soils in humid areas tend to be acidic inchemical content, Since crops(5 ) do best in soils that are neither acidic(higher in acid content) noralkaline(higher in salt content).fertilization is necessary toachieve the desired level of neutrality between thetwo. Arid America’s soils are typically alkaline and must be fertilized back towardneutrality by adding acidic compounds. Although many of these dryland soils, particularlyin the Great Plains, are quite fertile, European settlers learned over a century ago that(10)water is the main missing ingredient in achieving their agricultural potential. In the1970’s, certain irrigation methods were perfected and finally provided a real opportunityto expand more intensive farming west from the Central Lowland into the drier portionsof the Great Plains. Glaciation also enhanced the rich legacy of fertile soils in the centralUnited States,both from the deposition of mineral-rich glacial debris left by meltwater(15)and from thick layers of fine wind-blown glacial material, called loess, in and around themiddle Mississippi Valley.Natural vegetation patterns could be displayed on a map of North America, but theenormous human modification of the North American environment in modern times hasall but reduced this regionalization scheme to the level of the hypothetical. Nonetheless,(20)the humid America-arid America dichotomy is still a valid generalization: the naturalvegetation of areas receiving more than 20 inches of water yearly is forest, whereas thedrier climates give rise to a grassland cover. The forests of North America tent to makea broad transition by latitude. In the Canadian North, needle-leaf forests dominate, butthese coniferous trees become mixed with broadleaf deciduous trees as one crosses the(25)border into the Northeast United States. As one proceedstoward the Southeast, broadleaf vegetation becomes dominant.Arid America mostly consists of short-grass prairies orstepper. The only areas of true desert are in the Southwest.21 What aspect of North America does the passage mainly discuss?(A) The wide variety of climates(B) Soil types and vegetation patterns(C) Improved irrigation methods and the expansion of agriculture(D) The change in precipitation patterns22 The word “spawn ” in line 1 is closest in meaning to(A) distinguish(B) eliminate(C) protect(D) create23 The word “partitioning” in line 2 is closest in meaning to(A) division(B) modification(C) opening(D) circulating24 According to the passage, acidic soils tent to be associated with(A) a high salt content(B) an increase in farming(C) large amounts of rain(D) glacial meltwater25 The word “enhanced” in line 13 is closest in meaning to(A) implied(B) increased(C) indicated(D) informed26 How did glacial meltdown affect the soil in North America?(A) It redistributed the soil types(B) It added salt to the soil(C) It made the soil more neutral in content(D) It added minerals to the soilregionalization scheme” in line 19 refers to the27 The phrase “this(A) movements of glacial deposits(B) patterns of natural vegetation(C) human modification of the North American environment(D) distinction between humid America and arid America28 The word “transition” in line 23 is closest in meaning to(A) elevation(B) change(C) advantage(D) condition29 The passage supports which of the following statements?(A) Arid America is not necessarily characterized by the presenceof deserts(B) M ost of Canada and the northeastern United States consists ofshort-grass prairies wherever natural vegetation has not been modified by humans(C) The accumulation of loess is primarily the result of irrigation(D) Glaciation removed the fertile layer of soil from much of theMississippi ValleyQuestions 30-40Most sources of illumination generate light over an appreciable period, and indeed ifan object is lit for a very brief time(less that 1/25 second), the human eye will not reactin time to see the object. A photographic emulsion---that is, alight-sensitive coating on photographic film, paper, or glass---will, however, record much shorter bursts of light. A(5 ) photographic flash can therefore be used to capture high-speed movement on film as wellas to correct deficiencies of the normal surrounding lighting.Photoflash is now generated electronically, but the earliest form,first used in 1864, was a paper bag containingmagnesium wire and some oxygen-rich substance, such as potassium chlorate. When thebag was ignited, the metal burned with an intense flash. A contemporary observer reported(10) that “this quite unsafe device seems to have done nothing worse that engulf the room indense smoke and lead to pictures of dubious quality and odd pose s.”The evolution of the photoflash was slow, flashbulbs, containing fine wire made of ametal, such as magnesium or aluminum, capable of being ignited in an atmosphere of pure oxygen at low pressure, werearliest type, the metal introduced only in the 1920’s. In the e(15) was separated from the oxygen by a thin glass bulb. The flash was fired by piercing thebulb and allowing the oxygen to come into contact with the metal, which ignitedspontaneously. Later bulbs were fired by an electric battery, which heated the wire bypassing a small current through it. Other combinations, such as the pairing of oxygendifluoride with zirconium, have also been used. In each case enough energy is given out to(20) heat the oxidizable metal momentarily to a white-hot emissionof visible light. The smoke particles are so small that they cool rapidly; but since they are white, they contribute to the brilliance by reflecting the light from their still-glowing neighbors. A slightly bigger formof the metal will burn for a longer time.30 What does the passage mainly discuss?(A) The history of the photoflash(B) Theories about how the eye reacts to light(C) The technology of modern photography(D) The dangers of using the early photoflash31 According to the passage,1/25 second is the minimum amount of time required for the(A) recording of an image on film(B) generation of artificial light(C) creation of a photographic emulsion(D) human eye to react to light32 According to the passage, an advantage of using a photoflash is that it(A) can produce repeated bursts of light(B) intensities colors in photographs(C) is short enough not to bother human eyes(D) supplements existing lighting33 The word “ignited” in line 9 is closest in meaning to(A) set on fire(B) cut into(C) opened(D) shaken34 Which of the following phrases is defined in paragraph 1?(A)”appreciable period”(line 1)(B)”photographic emulsion”(line 3)(C)”high-speed movement”(line 5)(D)”odd poses”(line 11)35 The word “evolution” in line 12 is closest in meaning to(A) publicity(B) adoption(C) development(D) manufacture36 The function of the glass in the first flashbulbs was to(A) produce the spark that initiated the flash(B) magnify the light produced by the flash(C) protect the photographer from the heat of the flash(D) keep the metal and oxygen apart before the flash37 The word “it” in line 18 refers to(A) oxygen(B) battery(C) wire(D) currenting to38 The word “momentarily” in line 20 is closest in mean(A) effortlessly(B) briefly(C) electronically(D) gradually39 According to the passage, the white color of the smoke particles generated by a flashbulb contributes to(A) rapid cooling(B) bright illumination(C) electrical conductivity(D) intense heat40 According to the passage, a flashbulb can be made to burn longer by using(A) thicker wire(B) more oxygen(C) thinner glass(D) continuous electricityQuestions 41-50The stylistic innovation in paining known as Impressionism began in the 1870’s. The Impressionists wanted to depict what they saw in nature, but they were inspired to portray fragmentary moments by the increasingly fast pace of modern life. They concentrated onthe play of light over objects, people, and nature, breaking up seemingly solid surfaces,(5 ) stressing vivid contrast between colors in sunlight and shade, and depiction reflected lightin all of its possibilities. Unlike earlier artists, they did not want to observe the world from indoors. They abandoned the studio, painting in the open air and recording spontaneous Impressions of their subjects instead of making outside sketches and then moving indoorsto complete the work form memory.painting methods were (10) Some of the Impressionists’　affected by technologicaladvances. For example, the shift from the studio to the open air was made possible inpart by the advent of cheap rail travel, which permitted easy and quick access to thecountryside or seashore, as well as by newly developed chemicaldyes and oils that ledto collapsible paint tubes, which enabled artists to finish their paintings on the spot.(15)Impressionism acquired its name not from supporters butfrom angry art lovers whofelt threatened by the new painting. The term “Impressionism”　was born in 1874,whena group of artists who had been working together organized an exhibition of theirpaintings in order to draw public attention to their work. Reaction from the public andpress was immediate, and derisive. Among the 165 paintingsexhibited was one called(20)Impression: Sunrise, by Claude Monet(1840-1926),Viewedthrough hostile eyes,Monet’s painting of a rising sun over a misty, watery scene seemed messy, slapdash,s title, art critics and an affront to good taste. Borrowing Monet’to the entire exhibit. In extended the term “Impressionism”　response, Monet and his 29 fellow artists inthe exhibit adopted the same name as a badge of their unity, despite individual differences.(25)From then until 1886 Impressionism had all the zeal of a “church”, as the painter Renoirput it. Monet was faithful to the Impressionist creed until his death, although many of theothers moved on to new styles.41 What aspect of painting in the nineteenth century does the passage mainly discuss?(A) The impact of some artists’ resistance to the fast pace of life(B) The differences between two major styles of art(C) A technological advance in the materials used by artists(D) A group of artists with a new technique and approach to art42 The word “depict” in line 2 is closest in meaning to(A) reorganize(B) deform(C) represent(D) justify43 According to the passage, which of the following was one of the distinguishing characteristics of Impressionist painting?(A) The emphasis on people rather than nature scenes(B) The way the subjects were presented from multiple angles(C) The focus on small solid objects(D) The depiction of the effects of light and color44 Which of the following is a significant way in which Impressionists were different from the artists that preceded them?(A) They began by making sketches of their subjects(B) They painted their subjects out-of-doors(C) They preferred to paint from memory(D) They used subjects drawn from modern life45 The word “advent” in line 12 is closest in meaning to(A) achievement(B) acceptance(C) arrival(D) advantage46 The exhibition of paintings organized in 1874 resulted in all ofthe following EXCEPT(A) attracting attention from the public(B) a negative reaction from the press(C) an immediate demand for the paintings exhibited(D) creating a name for a new style of painting47 The word “affront” in line 22 is closest in meaning to(A) insult(B) encouragement(C) return(D) credit48 The rejection of the Impressionist exhibition by critics was caused by which of the following?(A) The small number of paintings on display(B) L ack of interest in exhibitions by young artists(C) The similarity between all the paintings exhibited(D) Anger about seemingly poorly painted art49 The author mentions Renoir in line 25 to give an example of an artist who(A) became as famous as Monet(B) was consistently praised by art critics(C) described the enthusiasm of the Impressionists for their work(D) was in favor of a traditional style of painting50 The word “others” in line 27 refers to(A) art critics(B) fellow artists(C) individual differences(D) new styles0308答案ABADB CCCBA BDDCC DCDBA DACCB DBCAC DACBA BABDC BCAAD CDABACACCB CDBCB DACCC ABCDA CDCDC BDCDC BCDDC DBACBDAABA DDBAB CDBCB DCBBA BDACB DDBAA DDABC DCBBA DCDBC CADCB。

toefl试题及答案TOEFL试题及答案一、听力理解（Listening Comprehension）1. 根据所听对话，选出正确的答案。

A. 学生在图书馆找书。

B. 学生在询问课程安排。

C. 学生在讨论课题研究。

D. 学生在讨论作业问题。

答案：A2. 根据所听讲座，选出正确的答案。

A. 教授在讨论历史事件。

B. 教授在分析文学作品。

C. 教授在讲解科学理论。

D. 教授在介绍艺术作品。

答案：B二、阅读理解（Reading Comprehension）1. 阅读以下段落，回答以下问题："The Industrial Revolution brought about significant changes in the way people worked and lived."A. What was the main impact of the Industrial Revolution?B. How did the Industrial Revolution affect the daily life of people?答案：A. The main impact of the Industrial Revolution was the significant changes in the way people worked and lived.B. The Industrial Revolution affected the daily life of people by altering their work patterns and living conditions.2. 阅读以下段落，选择最佳 "The role of technology in education has been a topic of debate for many years. Some argue that it enhances learning, while others believe it can be a distraction."A. The Pros and Cons of Technology in EducationB. The History of Technology in EducationC. The Debate Over Technology in EducationD. The Future of Technology in Education答案：C三、口语表达（Speaking Expression）1. 根据以下提示，进行口语回答：- Describe a memorable event from your childhood.- Explain why it was memorable.答案示例：One of the most memorable events from my childhood was the day I learned to ride a bicycle. It was a sunny afternoon, and my father was teaching me. After several attempts and falls, I finally managed to ride without support. The feeling of accomplishment and the joy of mastering a new skill madeit an unforgettable experience.2. 根据以下情景，进行口语回答：- You are planning a trip with friends. Discuss thefactors you consider when choosing a destination.答案示例：When planning a trip with friends, I consider several factors such as the interests of the group, the budget, the weather, and the accessibility of the destination. We usually discuss our preferences and make a list of potential places. Then, we evaluate them based on the mentioned factors and make a decision that suits everyone.四、写作任务（Writing Task）1. Write an essay discussing the importance of environmental protection and the role individuals can play in it.答案示例（略）：考生需根据题目要求，撰写一篇不少于300字的议论文，阐述环境保护的重要性以及个人如何参与其中。

托福阅读真题第12篇InterplanetarySeedingSome scientists believe that microbial life may be distributed across terrestrial planets by interplanetary rocks. Rocks are capable of carrying microbes from the surface of one planet, across hundreds of millions of miles of space, to neighboring planets. Each year, Earth is impacted by half a dozen half-kilogram or larger rocks from Mars. These rocks were blasted off Mars by large impacts and found their way to orbits that cross Earth's path, where they eventually collided with Earth as meteorites. Nearly 10 percent of the rocks blasted into space from Mars end up on Earth. All planets are impacted by interplanetary objects large and small over their entire lifetimes, and the larger impacts actually eject rocks into space and into orbit about the Sun.用双筒望远镜看满月会发现从位于月球底部附近的第谷陨石坑辐射出的长条纹或射线，正如北半球的观察者所看到的那样。

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托福考试 复习托福阅读TPO12(试题+答案+译文)第1篇:Which Hand Did They Use?托福阅读原文We all know that many more people today are right-handed than left-handed. Can one trace this same pattern far back in prehistory? Much of the evidence about right-hand versus left-hand dominance comes from stencils and prints found in rock shelters in Australia and elsewhere, and in many Ice Age caves in France, Spain, and Tasmania. When a left hand has been stenciled, this implies that the artist was right-handed, and vice versa. Even though the paint was often sprayed on by mouth, one can assume that the dominant hand assisted in the operation. One also has to make the assumption that hands were stenciled palm downward—a left hand stenciled palm upward might of course look as if it were a right hand. Of 158 stencils in the French cave of Gargas, 136 have been identified as left, and only 22 as right; right-handedness was therefore heavily predominant.Cave art furnishes other types of evidence of this phenomenon. Most engravings, for example, are best lit from the left, as befits the work of right-handed artists, who generally prefer to have the light source on the left so that the shadow of their hand does not fall on the tip of the engraving tool or brush. In the few cases where an Ice Age figure is depicted holding something, it is mostly, though not always, in the righthand.Clues to right-handedness can also be found by other methods. Right-handers tend to have longer, stronger, and more muscular bones on the right side, and Marcellin Boule as long ago as 1911 noted the La Chapelle-aux-Saints Neanderthal skeleton had a right upper arm bone that was noticeably stronger than the left. Similar observations have been made on other Neanderthal skeletons such as La Ferrassie I and Neanderthal itself.Fractures and other cut marks are another source of evidence. Right-handed soldiers tend to be wounded on the left. The skeleton of a 40- or 50-year-old Nabatean warrior, buried 2,000 years ago in the Negev Desert, Israel, had multiple healed fractures to the skull, the left arm, and the ribs.Tools themselves can be revealing. Long-handed Neolithic spoons of yew wood preserved in Alpine villages dating to 3000 B.C. have survived; the signs of rubbing on their left side indicate that their users were right-handed. The late Ice Age rope found in the French cave of Lascaux consists of fibers spiraling to the right, and was therefore tressed by a righthander.Occasionally one can determine whether stone tools were used in the right hand or the left, and it is even possible to assess how far back this feature can be traced. In stone tool making experiments, Nick Toth, aright-hander, held the core (the stone that would become the tool) in his left hand and the hammer stone in his right. As the tool was made, the core was rotated clockwise, and the flakes, removed in sequence, had a little crescent of cortex (the core's outer surface) on the side. Toth's knapping produced 56 percent flakes with the cortex on the right, and 44 percent left-oriented flakes. A left-handed toolmaker would produce the opposite pattern. Toth has applied these criteria to the similarly made pebble tools from a number of early sites (before 1.5 million years) at Koobi Fora, Kenya, probably made by Homo habilis. At seven sites he found that 57 percent of the flakes were right-oriented, and 43 percent left, a pattern almost identical to that produced today.About 90 percent of modern humans are right-handed: we are the only mammal with a preferential use of one hand. The part of the brain responsible for fine control and movement is located in the left cerebral hemisphere, and the findings above suggest that the human brain was already asymmetrical in its structure and function not long after 2 million years ago. Among Neanderthalers of 70,000–35,000 years ago, Marcellin Boule noted that the La Chapelle-aux-Saints individual had a left hemisphere slightly bigger than the right, and the same was found for brains of specimens from Neanderthal, Gibraltar, and La Quina.托福阅读试题1.The phrase “assisted in” in the passage(Paragraph 1)is closest in meaning toA.initiatedB. dominatedC. helped withD.setup2.It canbe inferred from paragraph 1 that even when paint was sprayed by mouth to make a hand stencilA.there was no way to tell which hand was stenciledB.the stenciled hand was the weaker handC.the stenciled hand was the dominant handD.artists stenciled more images of the dominant hand than they did of the weak3.The phrase “depicted” in the passage(Paragraph 2)is closest in meaning toA.identifiedB.revealedC.picturedD.imagined4.Which of the sentences below best expresses the essential informationin the highlighted sentence in the passage(Paragraph 2)? Incorrect choices change the meaning in important ways or leave out essential information.A.Right-handed artists could more easily have avoided casting shadows on their work, because engravings in prehistoric caves were lit from the left.B.The tips of engraving tools and brushes indicate that these instruments were used by right-handed artists whose work was lit from the left.C.The best lighting for most engravings suggests that they were made by right-handed people trying to avoid the shadow of their hands interfering with their work.D.Right-handed artists try to avoid having the brush they are using interfere with the light source.5.All of the following are mentioned in paragraphs 1 and 2 as evidence of right-handedness in art and artists EXCEPTA. the ideal source of lighting for most engravingsB. the fact that a left hand stenciled palm upward might look like a right handC. the prevalence of outlines of left handsD. figures in prehistoric art holding objects with the right hand6.According to paragraph 3, the La Chapelle-aux-Saints Neanderthal skeleton can be identified as right-handed becauseA.other Neanderthal skeletons found nearby are also right-handedB.the right arm bone is stronger than the leftC.it is similar to skeletons of La Ferrassie I and NeanderthalD. the right side of the skeleton shows less evidence of fractures7.Which of the following statements about fractures and cut marks can be inferred from paragraph 4?A.Fractures and cut marks caused by right-handed soldiers tend to occur on the right side of the injured party's body.B. The right arm sustains more injuries because, as the dominant arm, it is used more actively.C.In most people, the left side of the body is more vulnerable to injury since it is not defended effectively by the dominant arm.D.Fractures and cut marks on fossil humans probably occurred after death.8.According to paragraph 5, what characteristic of a Neolithic spoon would imply that the spoon's owner was right-handed?A.The direction of the fibersB.Its long handleC.The yew wood it is carved fromD.Wear on its left side9.In paragraph 5, why does the author mention the Ice Age rope found in the French cave of Lascaux?A.As an example of an item on which the marks of wear imply that it was used by a right-handed personB.Because tressing is an activity that is easier for a right-handed person than for a left-handed personC.Because the cave of Lascaux is the site where researchers have found several prehistoric tools made for right-handed peopleD.As an example of an item whose construction shows that it was right handed made by a right-person10.The word “criteria” in the passage(Paragraph 6)is closest in meaning toA. standardsB. findingsC.ideasD.techniques11.What was the purpose of Toth's tool making experiment described in paragraph 6?A.To shape tools that could be used by either handB. To produce replicas of early tools for display in museumsC.To imitate the production of pebble tools from early sitesD.To determine which hand made the early tools12.What is the author's primary purpose in paragraph 7?A.To illustrate the importance of studying the brainB.To demonstrate that human beings are the only mammal to desire fine control of movementC.To contrast the functions of the two hemispheres of the brainD.To demonstrate that right-hand preference has existed for a long time13. Look at the four squares [■] that indicate where the following sentence could be added to the passage. Where would the sentence best fit? The stencils of hands found in these shelters and caves allow us to draw conclusions about which hand was dominant.We all know that many more people today are right-handed than left-handed. Can one trace this same pattern far back in prehistory? ■【A】Much of the evidence about right-hand versus left-hand dominance comes from stencils and prints found in rock shelters in Australia and elsewhere, and in many Ice Age caves in France, Spain, and Tasmania. ■【B】When a left hand has been stenciled, this implies that the artist was right-handed, and vice versa. ■【C】Even though the paint was often sprayed on by mouth, one can assume that the dominant hand assisted in the operation. One also has to make the assumption that hands were stenciled palm downward—a left hand stenciled palm upward might of course look as if it were a right hand. ■【D】Of 158 stencils in the French cave of Gargas, 136 have been identified as left, and only 22 as right; right-handedness was therefore heavily predominant.14. Directions: An introductory sentence for a brief summary of thepassage is provided below. Complete the summary by selecting the THREE answer that express the most important ideas in the passage. Some sentences do not belong in the summary because they express ideas that not presented in the passage or are minor ideas in the passage. This question is worth 2 points.Several categories of evidence indicate that people have always been predominantly right-handedA.Stencils of right-handed figures are characteristic of cave art in France, Spain, and Tasmania.B.Signs on the skeletal remains of prehistoric figures, including arm-bone size and injury marks, imply that these are the remains of right-handed people.C.Instruments such as spoons, ropes, and pebble tools show signs that indicate they were used or constructed by right-handed people.D.The amount of prehistoric art created by right-handed artists indicates that left-handed people were in the minority.E.Neanderthal skeletons often have longer finger bones in the right hand, which is evidence that the right hand was stronger.F.Nick Toth, a modem right-handed toolmaker. has shown that prehistoric tools were knapped to fit the right hand.托福阅读答案1.assist in帮助，所以C的help with是正确答案。

老托福阅读试题及答案：PASSAGE12为了帮助大家备考托福阅读，提高成绩，下面小编给大家带来老托福阅读真题及答案:passage 12，希望大家喜欢!老托福阅读试题及答案：PASSAGE 12Among the species of seabirds that use the windswept cliffs of the Atlantic coast of Canada in the summer to mate, lay eggs, and rear their young are common murres, Atlantic puffins, black-legged kittiwakes, and northern gannets. Of all the birds on these cliffs, the black-legged kittiwake gull is the best suited for nesting on narrow ledges. Although its nesting habits are similar to those of gulls that nest on flat ground, there are a number of important differences related to the cliff-nesting habit.The advantage of nesting on cliffs is the immunity it gives from foxes, which cannot scale the sheer rocks, and from ravens and other species of gulls, which have difficulty in landing on narrow ledges to steal eggs. This immunity has been followed by a relaxation of the defenses, and kittiwakes do not react to predators nearly as fiercely as do ground-nesting gulls. A colony of Bonaparte's gulls responds to the appearance of a predatory herring gull by flying up as a group with a clamor of alarm calls, followed by concerted mobbing, but kittiwakes simply ignore herring gulls, since they pose little threat to nests on cliffs. Neither do kittiwakes attempt to conceal their nest. Most gulls keep the nest area clear of droppings, and remove empty eggshells after the chicks have hatched, so that the location of the nest is not given away. Kittiwakes defecate over the edge of the nest, which keeps it clean, but this practice, as well as their tendency to leave the nest littered with eggshells, makes its location very conspicuous.On the other hand, nesting on a narrow ledge has its own peculiar problems, and kittiwake behavior has become adapted to overcome them. The female kittiwake sits when mating, whereas other gulls stand, so the pair will not overbalance and fall off the ledge. The nest is a deep cup, made of mud or seaweed, to hold the eggs safely, compared with the shallow scrape of other gulls, and the chicks are remarkably immobile until fully grown. They do not run from their nests when approached, and if they should come near to the cliff edge, they instinctively turn back.1. What aspect of the kittiwake gull does the passage mainly discuss?(A) Its defensive behavior(B) It interactions with other gull species(C) Its nesting habits(D) Its physical difference from other gull species2. The word "rear" in line 2 is closest in meaning to(A) visit(B) watch(C) reverse(D) raise3. The word "scale" in line 8 is closest in meaning to(A) climb(B) avoid(C) approach(D) measure4. The word "immunity" in line 9 is closest in meaning to(A) distance(B) transition(C) protection(D) reminder5. Why is it difficult for ravens to steal the kittiwakes' eggs?(A) The kittiwakes can see the ravens approaching the nest.(B) The ravens cannot land on the narrow ledges where kittiwakes nest.(C) The kittiwakes' eggs are too big for the ravens to carry.(D) The female kittiwakes rarely leave the nest.6. The author mentions that eggshells litter around the nests of kittiwakes in order to(A) demonstrate that kittiwakes are not concerned about predators(B) prove how busy kittiwakes are in caring for their offspring(C) show a similarity to other types of gulls(D) illustrate kittiwakes' lack of concern for their chicks7. According to the passage , it can be inferred that which of the following birds conceal their nest?(A) Bonaparte's gulls(B) Atlantic puffins(C) Kittiwake gulls(D) Northern gannets8. The word "it" in line 17 refers to(A) location(B) edge(C) nest(D) practice9. The word "conspicuous" in line 18 is closest in meaning to(A) disordered(B) suspicious(C) noticeable(D) appealing10. The phrase "On the other hand" in line 19 is closest in meaning to(A) therefore(B) however(C) for example(D) by no means正确答案： CDACB AACCB如何提高托福阅读理解能力?一、学会概括主旨大意任何一篇文章都有一个主题思想。

TPO12阅读详细分析及答案WHICH HAND DID THEY USE1. assist in帮助，所以C的help with是正确答案。

原句说尽管piant通常是靠嘴来spray的，但dominant hand起到了什么作用，帮忙作用，所以C正确。

A的initiate和D的set up都有开始，建立之意，两者相似，且跟文章无关，都错；B的dominate 和文章相反，前面已经有一个dominant了2.以mouth和hand stencil做关键词定位至倒数第二和第三句，说dominant hand是帮忙的；最后一句又说136是左手22是右手，通过具体数字说明左手比较主要，所以B是答案；注意B和C 是一对相反答案，所以C错，A说不知道哪个主要也就错；D没说3. depict描述，所以C的pictured正确，picture作名词图片大家都知道，作动词与原来名词的意思相关，所以是描述。

原句说在为数不多的情况当中，figure被怎么样拿着东西，imagine 想象，而原文的意思是真的拿着东西，所以imagine不对；reveal揭露和identify都表示从无到有的意思，不对4.先将长句拆开，who后面的从句整个是对前面的人的修饰；主干部分就是engraving是从左边lit的。

A选项的因果关系原文没有，所以错；B将原句的主干换成了从句，同时将原文的从句换成了主干，改变了原文的结构，错；C正确，只是将原句的被动换成了主动；D完全改变了原文的结构，错5. EXCEPT题，排除法，A的engraving做关键词定位至第二段第二句，正确，不选；B对应第一段第三句，但这个不是right-handedness的原因，所以这个选项不对，选；C的prevalence 和left hand定位至第一段最后一句，正确，不选；D的定位至第二段最后一句，正确，不选6.以La做关键词定位至倒数第二句，noticeably stronger，答案B正确，A和C都有提到，但都不是La被认定为right-handedness的原因，所以不选，D没说7.以fractures and other cut marks做关键词定位至第一句，但第一句信息太少，往下看，说右撇子士兵伤在左侧，所以正确答案是C。

老托福阅读真题及答案解析-CAL-FENGHAI-(2020YEAR-YICAI)_JINGBIAN老托福阅读真题及答案解析托福从听、说、读、写四方面进行英语能力全面考核。

托福频道为大家提供了这四个方面的资料，希望对大家有所帮助。

Aviculturists, people who raise birds for commercial sale, have not yet learned how to simulate the natural incubation of parrot eggs in the wild. They continue to look for better ways to increase egg production and to improve chick survival rates.When parrots incubate their eggs in the wild, the temperature and humidity of the nest are controlled naturally. Heat is transferred from the bird's skin to the top portion of the eggshell, leaving the sides and bottom of the egg at a cooler temperature. This temperature gradient may be vital to successful hatching. Nest construction can contribute to this temperature gradient. Nests of loosely arranged sticks, rocks, or dirt are cooler in temperature at the bottom where the egg contacts the nesting material. Such nests also act as humidity regulators by allowing rain to drain into the bottom sections of the nest so that the eggs are not in direct contact with the water. As the water that collects in the bottom of the nest evaporates, the water vapor rises and is heated by the incubating bird, which adds significant humidity to the incubation environment.In artificial incubation programs, aviculturists remove eggs from the nests of parrots and incubate them under laboratory conditions. Most commercial incubators heat the eggs fairly evenly from top to bottom, thus ignoring the bird's method of natural incubation, and perhaps reducing the viability and survivability of the hatching chicks. When incubators are not used, aviculturists sometimes suspend wooden boxes outdoors to use as nests in which to place eggs. In areas where weather can become cold after eggs are laid, it is very important to maintain a deep foundation of nesting material to act as insulator against the cold bottom of the box. If eggs rest against the wooden bottom in extremely cold weather conditions, they can become chilled to a point where the embryo can no longer survive. Similarly, these boxes should be protected from direct sunlight to avoid high temperatures that are also fatal to the growing embryo. Nesting material should be added in sufficient amounts to avoid both extreme temperature situations mentioned above and assure that the eggs have a soft, secure place to rest.1. What is the main idea of the passage(A) Nesting material varies according to the parrots' environment.(B) Humidity is an important factor in incubating parrots' eggs.(C) Aviculturists have constructed the ideal nest box for parrots.(D) Wild parrots' nests provide information useful for artificial incubation.2. The word "They" in line 2 refers to(A) aviculturists(B) birds(C) eggs(D) rates3. According to paragraph 2, when the temperature of the sides and bottom of the egg are cooler than the top, then(A) there may be a good chance for successful incubation(B) the embryo will not develop normally(C) the incubating parent moves the egg to a new position.(D) the incubation process is slowed down4. According to paragraph 2, sticks, rocks, or dirt are used to(A) soften the bottom of the nest for the newly hatched chick(B) hold the nest together(C) help lower the temperature at the bottom of the nest(D) make the nest bigger5. According to paragraph 2, the construction of the nest allows water to(A) provide a beneficial source of humidity in the nest(B) loosen the materials at the bottom of the nest(C) keep the nest in a clean condition(D) touch the bottom of the eggs6. All of the following are part of a parrot's incubation method EXCEPT(A) heating the water vapor as it rises from the bottom of the nest(B) arranging nesting material at the bottom of the nest(C) transferring heat from the parent to the top of the eggshell(D) maintaining a constant temperature on the eggshell7. The word "suspend" in line 18 is closest in meaning to(A) build(B) paint(C) hang(D) move8. The word "fatal" in line 24 is closest in meaning to(A) close(B) deadly(C) natural(D) hot9. The word "secure" in line 27 is closest in meaning to(A) fresh(B) dry(C) safe(D) warm10. According to paragraph 3, a deep foundation of nesting material provides(A) a constant source of humidity(B) a strong nest box(C) more room for newly hatched chicks(D) protection against cold weather11. Which of the following is a problem with commercial incubators?(A) They lack the natural temperature changes of the outdoors.(B) They are unable to heat the eggs evenly(C) They do not transfer heat to the egg in the same way the parent bird does.(D) They are expensive to operate.12. Which of the following terms is defined in the passage(A) Aviculturists (line 1)(B) gradient (line 8)(C) incubation (line 15)(D) embryo (line 22)正确答案：DAACA DCBCD CA。

托福资料之老托阅读 100 篇【完整版】老托阅读 100 篇相对 TPO 要简单一些，也是伴随托福备考学员的很重要的一份资料，对于基础薄弱，做 TPO 真题阅读需要过渡的考生来说再适合不过了，为方便考生备考，太傻留学托福考试频道特意将这100 篇托福阅读理解为考生做了归纳和整理，考生只要收藏此页面，就可以在需要的时候打开进行练习了!Toefl 资料下载之老托阅读100 篇【完整版】PASSAGE 1: 冰箱的发展PASSAGE 2: 水循环PASSAGE 3: 印第安人变篮子的故事PASSAGE 4: 哈德逊河派的绘画PASSAGE 6: 硫酸钾在造玻璃和肥皂时的作PASSAGE 5: 创造文化的材料和技术用PASSAGE 7:Philadelphia's 如何发展成商业PASSAGE 8: 为什么大型动物要生活在热带中心雨林PASSAGE 9: 孟买象化石的发现地PASSAGE 10: 人类饮食活动的变化PASSAGE 11: 竹屋怎样防御外界的侵害PASSAGE 12: 动物在岩石上产卵PASSAGE 13: 地球表面岩石的生长与分类PASSAGE 14: 电视对美国政治的影响PASSAGE 15: 菌类对农业的影响PASSAGE 16: 鸟的祖先PASSAGE 17: 鹦鹉产卵的方式PASSAGE 18: 女性对美国建立初期的贡献PASSAGE 19: 北美城市的发展PASSAGE 20: 壁炉的构造PASSAGE 21: 美国早期雕塑的发展PASSAGE 22: 北美城市的发展改革PASSAGE 23: 美国早期城市功能的发展PASSAGE 24: 地球极地激光的形成和外形PASSAGE 25: 营养学研究的历史PASSAGE 26: 关于某彗星的介绍PASSAGE 28:19 世纪末 20 世纪初艺术的发PASSAGE 27: 土壤分解法展PASSAGE 29:一种农业机器在美国的普遍PASSAGE 30: 蝴蝶的种类使用PASSAGE 31: 房租租金的控制PASSAGE 32: 西方艺术发展史PASSAGE 33: 关于做决定的研究PASSAGE 34: 城市的发展以及移民PASSAGE 35: 一种岩洞对观察天象的影响PASSAGE 36: 美国水彩画协会的发展PASSAGE 37: 人的声音对个性的影响PASSAGE 38 : 有关冰河时代的PASSAGE 39: 印第安人捕鱼的生活方式PASSAGE 40: 一周工人工作时间的演变PASSAGE 42:美国铁路发展给美国带来的PASSAGE 41: 地球物种灭绝的分析影响PASSAGE 43: 抗感染药的发明PASSAGE 44: 大脑中神经系统的结构PASSAGE 45:19 世纪的家庭工作PASSAGE 46: 宾夕法尼亚暖气锅炉的改造PASSAGE 47: 美国在 20 世纪初对移民者的PASSAGE 48: 不同领导的领导风格介绍PASSAGE 50:19 世纪艺术在工业社会中的PASSAGE 49: 古代陶瓷的制作方式角色PASSAGE 51 : 美国建立自然生态保护园的PASSAGE 52:美国劳动力从农业到工业的介绍转变PASSAGE 54:被作曲家采用越来越多的音PASSAGE 53: 玻璃纤维的使用方法乐元素PASSAGE 55: 建立公园的计划PASSAGE 56: 民歌定义的不同理解PASSAGE 58:从狩猎到农业的改变对人类PASSAGE 57: 希腊陶瓷技术的发展生活的影响PASSAGE 60: 美国棉花 19 时期作为重要的PASSAGE 59: 历史上第一只鸟的介绍出口商品PASSAGE61: 北美农业殖民地艺术家作品PASSAGE 62: 关于鸟换毛的事PASSAGE 63: 鸟躲避侵略者的三种策略PASSAGE 64: 蚂蚁工作方式的介绍PASSAGE 65: 彗星的 coma 的形成PASSAGE 66: 小孩学说话PASSAGE 67: 某个奇特地方的植被PASSAGE 68: 北美陶瓷的制作PASSAGE 69:美国报纸上气象报道图的变PASSAGE 70: 鸟搭窝的方式化PASSAGE 71: 地理位置对城市发展的影响PASSAGE 72: 哈莱姆文艺复兴PASSAGE 73: 科技与工业化联系PASSAGE 74: 冰川的形成及融化PASSAGE 75:早期狩猎对大型体格动物灭PASSAGE 76: 泥土的形成及其用途绝的影响PSSAGE 77: 生物灭绝的原因PASSAGE 78: 远古的文字PASSAGE 79: 动物行为的研究PASSAGE 80: 美国调查方式的实施PASSAGE 82:婴幼儿时期的模仿对人和动PASSAGE 81: 木星的简介物的影响PASSAGE 83:美国现实主义和自然主义作PASSAGE 84: 美国早期印刷业的内容家介绍PASSAGE 85: 郁金香在北美殖民地的发展PASSAGE 86: 蚂蚁生存使用的各种信号PASSAGE 87: 热能在大气中传输PASSAGE 88: 化石的形成PASSAGE 90:某时期变化对海洋生物的影PASSAGE 89:19 世纪静物艺术品响PASSAGE 91:不同时期艺术装饰风格的简PASSAGE 92: 岩石层对气候的影响介PASSAGE 94:美国工业化给美国经济带来PASSAGE 93: 洛杉矶城市的发展的改变PASSAGE 95:昆虫怎样用信息素来传递信PASSAGE 96:Homestead Act 的弊端息PASSAGE 97: 对月亮两个区域的研究PASSAGE 98 : 松鼠吃橡果的迷PASSAGE 99 : 碳水化合物和气温的关系PASSAGE 100: 小提琴的发展和使用原文网址：托福考试：。

托福阅读真题第12篇InterplanetarySeeding（答案文章最后）行节目播种一些科学家认为，地球地球上的地球每小时都会发生变化。

半打半这些或巨大的岩石的影响。

10% 的地球生命周期最终将在其上落入上空。

在整个生命周期中，都会受到其巨大的影响，并在整个太空中发生巨大的影响。

的轨道。

用双筒望远镜看满月会发现从位于月球底部附近的第一个谷陨石坑喷出的长条纹或射线，以北半球的观察者所见的那样。

这些射线是由直径100公里的陨石坑喷出的撞击碎片（撞击物质）回落产生的。

这些射线几乎可以在月球的整个飞行面追踪空。

还有这么长的“降”布莱尔以抬高举埃速冲（Debral）2222 .早早的去寻找新兴物体的速度。

物质可以通过撞击从月球上喷出，但只是在附近的过去，不会被我们认为可能会被认为可以发射较超过 10 公斤的整颗质量的行星中弹发射出来，并且在过程中大大改变了以前没有人预计将彻底激活最终从地球上幸存下来的地球的岩石能够在强烈的中部发射。

是可能的。

还有一种叫做SNC的稀有陨石。

”，人们普遍认为它们来自火星。

据估计，它们的陨石是火星的第一个建议，或者说是火星的第一个发现可能有陨石的迹象。

因为阿波罗计划回收石的岩石将与月球月球样品具有独特的性质，可以将它们的自然发射机制，改变了这一点。

SNC陨石火星与火星的正联系是一个更复杂的过程，它包括显示，在1976年登陆的维陨石的一般性质是玻璃，它们是玄岩（可能是一片岩）形成的巨大天体上，天体绝对是巨大的天体上，天体绝对是天体金星的也因为地球太厚，地球也因为星星太厚。

金星太因为，表面也年轻。

金星也被修复在外。

月球和火星的陨石到达地球这一惊人的距离对一个星球到另一个星球的交通运输从地球的影响。

发射时的高温或在中长时间运输而被消毒的。

星球地点_ _生命回报。

火星网的来源）和稀薄的网络比可能是地球这方面的来源。

1. 几亿英里的生命周期可能会通过地球上的行星显示。

火星的半打半公斤或地球上的岩石的影响。