大學英語四級閱讀文章

　　在學習、工作生活中，我們會經常接觸并使用試題，借助試題可以檢驗考試者是否已經具備獲得某種資格的基本能力。什么樣的試題才是好試題呢？以下是小編為大家整理的大學英語四級閱讀文章，歡迎大家借鑒與參考，希望對大家有所幫助。

　　大學英語四級閱讀文章 1

　　Among the more colorful characters of Leadville s golden age were H.A.W.Tabor and his second wife, Elizabeth McCourt, better known as Baby Doe . Their history is fast becoming one of the legends of the Old West. Horace Austin Warner Tabor was a school teacher in Vermont. With his first wife and two children he left Vermont by covered wagon in 1855 to homestead in Kansas. Perhaps he did not find farming to his liking, or perhaps he was lured by rumors of fortunes to be made in Colorado mines. At any rate, a few years later he moved west to the small Colorado mining camp known as California Gulch, which he later renamed Leadville when he became its leading citizen. Great deposits of lead are sure to be found here. he said.

　　As it turned out, it was silver, not lead, that was to make Leadville s fortune and wealth. Tabor knew little about mining himself, so he opened a general store, which sold everything from boots to salt, flour, and tobacco.『It was his custom to grubstake prospective miners, in other words, to supply them with food and supplies, or grub , while they looked for ore, in return for which he would get a share in the mine if one was discovered.』①He did this for a number of years, but no one that he aided ever found anything of value.

　　Finally one day in the year 1878, so the story goes, two miners came in and asked for grub . Tabor had decided to quit supplying it because he had lost too much money that way. These were persistent, however, and Tabor was too busy to argue with them. Oh help yourself. One more time won t make any difference, He said and went on selling shoes and hats to other customers. The two miners took $17 worth of supplies, in return for which they gave Tabor a one-third interest in their findings. They picked a barren place on the mountain side and began to dig. After nine days they struck a rich vein of silver. Tabor bought the shares of the other two men, and so the mine belonged to him alone. This mine, known as the Pittsburgh Mine, made 1 300 000 for Tabor in return for his $17 investment.

　　大學英語四級閱讀文章 2

　　Not all sounds made by animals serve as language, and we have only to turn to that extraordinary discovery of echolocation (回聲定位) in bats to see a case in which the voice plays a strictly practical role.

　　To get a full appreciation of what this means we must turn first to some recent human inventions. Everyoneknows that if he shouts near a wall or a mountainside, an echo will come back. The further off this solid obstacle, the longer time it will take for the return of the echo. A sound made by tapping on the main body of a ship will be reflected from the sea bottom, and by measuring the time interval between the taps andthe receipt of the echoes the depth of the sea at that point can be calculated. So was born the echo-sounding equipment, now in general use in ships. Every solid object will reflect a sound, varying according to the size and nature of the object. A shoal of fish will do this. So it is a comparatively simple step fromlocating the sea bottom to locating a shoal of fish. With experience, and with improved equipment, it is now possible not only to locate fish but to tell if it is herring, cod, or other well-known fish, by the pattern of its echo.

　　A few years ago it was found that certain bats emit squeaks (吱吱聲) and by receiving ’he echoes they could locate and steer clear of obstacles--or locate flying insects on which they feed. This echolocation in bats is often compared with radar, the principle of which is similar.

　　練習題：

　　Choose correct answers to the question:

　　1.The main purpose of this passage is to ______.

　　A. describe that animals can make different sounds

　　B. prove that animals’ voices can play practical roles

　　C. inspire the readers to make more inventions

　　D. startle the readers with some shocking facts

　　2. The discovery of echolocation may help with all of the following EXCEPT

　　A. measuring the depth of the sea

　　B. distinguishing different kinds of fish

　　C. improving the functions of radar

　　D. varying the size and nature of an object

　　3. By saying "A shoal of fish will do this"(Lines 6-7, Para. 2), the author means ________.

　　A. only one special kind of fish can reflect sounds

　　B. only one special kind of fish can be used to help locate a ship

　　C. a large group of fish can reflect sounds

　　D. a large group of fish can be used to help locate a ship

　　4. As it is discussed in the passage, the squeaks of bats can be functionally compared with ________.

　　A. human languages

　　B. a mountainside

　　C. a shoal of fish

　　D. taps on a ship

　　5. Which of the following statements can be inferred from the passage?

　　A. Animals are more intelligent than humans.

　　B. Humans are more intelligent than animals.

　　C. Animals are often compared with human inventions.

　　D. Humans are often inspired by animals.

　　答案解析

　　1.[B] 主旨大意題。文章第1段就點明主題，明確指出以蝙蝠為例，動物發出的聲音有實際作用，只有B可以概括文章的這個寫作目的。

　　2.[C] 事實細節題。本題考査列舉處，可用排除法解答。A、B、C在文中都有相關提及。D利用第2段中的varying制造干擾。在原文中，指的是回聲因障礙物的不同而不同，而D偷換概念、曲解文意，D中的varying為及物動詞，意為“改變”,顯然不可能是回聲定位的發現帶來的功效。

　　3.[C] 詞義推斷題。本題考查對shoal的詞義推測及代詞this的`理解。依據第2段最后幾句話,可推測出a shoal of fish指的是“海里的一群魚”;this則是指上一句提到的“任何固體都可以反射聲音”，因此這句話表明一大群魚就能像一個固體一樣反射聲音。

　　4.[D] 推理判斷題。根據最后一段可知，蝙蝠發出吱吱聲可以探測障礙物的距離，而第2段也指出輕敲船體可測知海底的距離，因此在功能上,D與蝙蝠的吱吱聲相同。A中的human languages在文中未提到;B和C在文中各自的例子中充當的都是障礙物的角色，因此都不正確。

　　5.[D] 推理判斷題。文章先說動物的回聲定位功能,再說到回聲定位探測儀的發明,由此可見，是動物的某些能力啟發了人類的創造，因此只有D可從文中推測。文章并沒有從智力方面比較人類和動物，因此可以排除A 和B;盡管文章說到了蝙蝠和雷達的原理相似，但是C中的often一詞無據可循，且C的說法浮于表面，沒有說到重點，故排除。

　　大學英語四級閱讀文章 3

　　Dogs are social animals and without proper training, they will behave like wild animals. They will soil your house, destroy your belongings, bark excessively,.fight other dogs and even bite you. Nearly all behavior problems are perfectly normal dog activities that occur at the wrong time or place or are directed at the wrong thing. The key to preventing or treating behavior problems is learning to teach the dog to redirect its normal behavior to outlets that are acceptable in the domestic setting.

　　One of the best things you can do for your dog and yourself is to obedience train it. Obedience training doesnt solve all behavior problems,but it is the foundation for solving just about any problem- Training opens up a line of communication between you and your dog. Effective communication is necessary to instruct your dog about what you want it to do.

　　Training is also an easy way to establish the social rank order, When your dog obeys a simple request of come here,sit， it is shooting obedience and respect for you. It is not necessary to establish yourself as top dog or leader of the dog pack by using extreme measures. You can teach your dog its subordinate role by teaching it to show submission to you. Most dogs love performing tricks for you to pleasantly accept that you are in charge.

　　Training should be fun and rewarding for you and your dog. It enrich your relationship and make living together more enjoyable A well-trained dog is more confident and can more safely be allowed a greater amount of freedom than an untrained animal.

　　Why do pet dogs love performing tricks for their masters?

　　A. To avoid being punished,

　　B. To show their affection for their masters.

　　C. To win leadership of the dog pack

　　D. To show their willingness; to obey

　　講解答案： D本題問“為什么寵物狗喜歡為主人表演技能？”根據第三段中Training is also an easy way to establish thesocial rank order... You can teach your dog itssubordinate role by teaching it to showsubmission to you. Most dogs love performingtricks for you to pleasantly accept that you are incharge.(訓練也是建立社會等級的方法。你可以通過教狗表示服從你，來教它扮演從屬的角色。 大多數的狗都喜歡為你表演技能以此來表示樂意接受你的主宰地位。)所以被馴服的.寵物狗喜歡 為人表演技能的原因是to show their willingness to obey。所以D是正確答案。

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