2018年托福阅读练习题及答案（2篇）托福阅读考试介绍：托福考试满分为120分，分为4部分，考试顺序为：阅读→听力→口语→写作。
托福阅读考试时间：1个小时(遇加试时，时间为1个小时40分钟)。
阅读部分包括3篇文章，每篇650至750个单词，每篇对应11至13道试题。
题目类型包括：图表题，篇章总结题(从给出的选项中选择能够概括文章内容的句子)，变换措辞题，词汇题(在一定的上下文中)，指代关系题，简化句子题，插入文本题，事实信息题，推断题，修辞目的题以及否定排除题(例如，下列各项均正确除……之外)。
在完成答题的过程中，考生可以使用“复查”功能瞬间找出没有回答的题目，而不必每道题都过一遍。
PASSAGE 1By the mid-nineteenth century, the term icebox had entered the American language, but icewas still only beginning to affect the diet of ordinary citizens in the United States. The ice tradegrew with the growth of cities. Ice was used in hotels, taverns, and hospitals, and by someforward-looking city dealers in fresh meat, fresh fish, and butter. After the Civil War (1861-1865),as ice was used to refrigerate freight cars, it also came into household use. Even before 1880, halfthe ice sold in New York, Philadelphia, andBaltimore, and one-third of that sold in Boston andChicago, went to families for their own use. This had become possible because a new householdconvenience, the icebox, a precursor of the modern refrigerator, had been invented.Making an efficient icebox was not as easy as we might now suppose. In the early nineteenthcentury, the knowledge of the physics of heat, which was essential to a science of refrigeration,was rudimentary. The commonsense notion that the best icebox was one that prevented the icefrom melting was of course mistaken, for it was the melting of the ice that performed the cooling.Nevertheless, early efforts to economize ice included wrapping the ice in blankets, which kept theice from doing its job. Not until near the end of the nineteenth century did inventors achieve thedelicate balance of insulation and circulation needed for an efficient icebox.But as early as 1803, an ingenious Maryland farmer, Thomas Moore, had been on the righttrack. He owned a farm about twenty miles outside the city of Washington, for which th e villageof Georgetown was the market center. When he used an icebox of his own design to transport hisbutter to market, he found that customers would pass up the rapidly melting stuff inthe tubs ofhis competitors to pay a premium price for his butter, still fresh and hard in neat, one-poundbricks. One advantage of his icebox, Moore explained, was that farmers would no longer have totravel to market at night in order to keep their produce cool.1. What does the passage mainly discuss?(A) The influence of ice on the diet(B) The development of refrigeration(C) The transportation of goods to market(D) Sources of ice in the nineteenth century2. According to the passage , when did the word icebox become part of the language of the United States?(A) in 1803(B) sometime before 1850(C) during the civil war(D) near the end of the nineteenth century3. The phrase forward-looking in line 4 is closest in meaning to(A) progressive(B) popular(C) thrifty(D) well-established4. The author mentions fish in line 4 because(A) many fish dealers also sold ice(B) fish was shipped in refrigerated freight cars(C) fish dealers were among the early commercial users of ice(D) fish was not part of the ordinary person's diet before the invention of the icebox5. The word it in line 5 refers to(A) fresh meat(B) the Civil War(C) ice(D) a refrigerator6. According to the passage , which of the following was an obstacle to the development of the icebox?(A) Competition among the owners of refrigerated freight cars(B) The lack of a network for the distribution of ice(C) The use of insufficient insulation(D) Inadequate understanding of physics7. The word rudimentary in line 12 is closest in meaning to(A) growing(B) undeveloped(C) necessary(D) uninteresting8. According to the information in the second paragraph, an ideal icebox would(A) completely prevent ice from melting(B) stop air from circulating(C) allow ice to melt slowly(D) use blankets to conserve ice9. The author describes Thomas Moore as having been on the right track (lines 18-19) to indicate that(A) the road to the market passed close to Moore's farm(B) Moore was an honest merchant(C) Moore was a prosperous farmer(D) Moore's design was fairly successful10. According to the passage , Moore's icebox allowed him to(A) charge more for his butter(B) travel to market at night(C) manufacture butter more quickly(D) produce ice all year round11. The produce mentioned in line 25 could include(A) iceboxes(B) butter(C) ice(D) marketsAnswers:BBACC DBCDA BPASSAGE 2The geology of the Earth's surface is dominated by the particular properties of water. Presenton Earth in solid, liquid, and gaseous states, water is exceptionally reactive. It dissolves,transports, and precipitates many chemical compounds and is constantly modifying the face ofthe Earth.Evaporated from the oceans, water vapor forms clouds, some of which are transported bywind over the continents. Condensation from the clouds provides the essential agent ofcontinental erosion: rain. Precipitated onto the ground, the water trickles down to form brooks,streams, and rivers, constituting what are called the hydrographic network. This immensepolarized network channels the water toward a single receptacle: an ocean. Gravity dominatesthis entire step in the cycle because watertends to minimize its potential energy by running fromhigh altitudes toward the reference point, that is, sea level.The rate at which a molecule of water passes though the cycle is not random but is a measureof the relative size of the various reservoirs. If we define residence time as the average time for awater molecule to pass through one of the three reservoirs —atmosphere, continent, and ocean—we see that the times are very different. A water molecule stays, on average, eleven days inthe atmosphere, one hundred years on a continent and forty thousand years in the ocean. Thislast figure shows the importance of the ocean as the principal reservoir of the hydrosphere butalso the rapidity of water transport on the continents.A vast chemical separation process takes places during the flow of water over the continents.Soluble ions such as calcium, sodium, potassium, and some magnesium are dissolved andtransported. Insoluble ions such as aluminum, iron, and silicon stay where they are and form thethin, fertile skin of soil on which vegetation can grow. Sometimes soils are destroyed andtransported mechanically during flooding. The erosion of the continents thus results from twoclosely linked andinterdependent processes, chemical erosion and mechanical erosion. Theirrespective interactions and efficiency depend on different factors.1. The word modifying in line 4 is closest in meaning to(A) changing(B) traveling(C) describing(D) destroying2. The word which in line 5 refers to(A) clouds(B) oceans(C) continents(D) compounds3. According to the passage , clouds are primarily formed by water(A) precipitating onto the ground(B) changing from a solid to a liquid state(C) evaporating from the oceans(D) being carried by wind4. The passage suggests that the purpose of the hydrographic network (line 8) is to(A) determine the size of molecules of water(B) prevent soil erosion caused by flooding(C) move water from the Earth's surface to the oceans(D) regulate the rate of water flow from streams and rivers5. What determines the rate at which a molecule of water moves through the cycle, as discussed in the third paragraph?(A) The potential energy contained in water(B) The effects of atmospheric pressure on chemical compounds(C) The amounts of rainfall that fall on the continents(D) The relative size of the water storage areas6. The word rapidity in line 19 is closest in meaning to(A) significance(B) method(C) swiftness(D) reliability7. The word they in line 24 refers to(A) insoluble ions(B) soluble ions(C) soils(D) continents8. All of the following are example of soluble ions EXCEPT(A) magnesium(B) iron(C) potassium(D) calcium9. The word efficiency in line 27 is closest in meaning to(A) relationship(B) growth(C) influence(D) effectivenessAnswers:AACCD CABD。
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