1、公共英语二级-阅读理解题及答案解析(总分：100.00，做题时间：90 分钟)一、Unit 1(总题数：5，分数：20.00)AWhat are some of steps a person can take to prevent his house from being broken into while he is away? One step is to make sure that the house seems a lived-in one. Living room curtains should be pulled down only halfway. Bedrooms that
2、usually have the curtains pulled down at night should be left down. Another is to make sure that all outside locks are the dead-bolt type (双保险). Still another is to leave several 100W lights burning and make sure that one is in the kitchen. Lights that turn on and off by themselves are the best. The
3、n, too, it is a good idea to leave the radio turned on and set to a talking station. Any type of speaking makes a thief think twice before trying to enter. Finally, while away on holiday, make certain that the newspaper is stopped and that a trusted neighbor has been asked to pick up the mail. Thiev
4、es are especially quick to notice piled-up newspapers and overfilled mailboxes.（分数：4.00）(1).Why did the writer begin this passage with a question?（分数：1.00）A.Because he wanted to catch the readers attention.B.Because he wanted to have the readers guess the answer before reading.C.Because he wanted to
5、 sum up (概括) the topic of the passage.D.Because he wanted to make the reader understand him better.(2).The word “lived-in“ in this passage means _.（分数：1.00）A.left emptyB.lively and cheerfulC.now being used by peopleD.put inside(3).What does the writer advice the people to do?（分数：1.00）A.Ask a neighbo
6、r to pick up the daily mail.B.Make sure to have lights that turn on and off by themselves.C.Make sure file newspaper is handed over everyday.D.Pull the living room curtains down.(4).The most important room to leave a light burning in is the _.（分数：1.00）A.bedroomB.kitchenC.living roomD.sitting roomBIn
7、 Kansas City, Missouri, a computer helps fire fighters. The computer, which works very fast, has information about every one of the 350,000 street addresses in the city. Within two or three seconds after a call is received, the computer provides necessary information for the fire fighters. The infor
8、mation is then sent to them by the radio from the computer center in City Hall. The exact place of the burning and its size, type and anything else are clear to them.The Kansas City computer system also has a medical record of each of the citys 900 fire fighters. This kind of information is especial
9、ly useful when a fire fighter is injured. With the information, doctors at the hospital can treat the injured fire fighters more quickly and easily.The fire fighters themselves greatly appreciate (感激) the computer help. They know about possible danger ahead of them and can prepare for them. Many tim
10、es the computer information helps to save lives and property (财产). Sometimes the lives are those of fire fighters themselves.Mike Horan, a fire fighter captain, says, “I feel as if the computer is watching over (守护) me to help me if I get hurt./（分数：4.00）(1).Which of the following is the best title o
11、f the text?（分数：1.00）A.Larger Computer in Kansas, Missouri.B.Computers Help Fire Fighters.C.Important Information for Fire Fighters.D.The Speed of the Computers.(2).What is the best help if you want to know the information about the street address in Kansas?（分数：1.00）A.The fire fighters.B.The computer
12、.C.The policeman.D.The map.(3).Why can the doctors treat the fire fighters quickly and easily?（分数：1.00）A.The hospital has a very good computer.B.The fire fighter can know about the possible danger early.C.The computer can prepare everything for them.D.Medical records in the computers help them a lot
13、.(4).From Mike Horans words, we can know that the fire fighters themselves _.（分数：1.00）A.are being taken care of by the computersB.have been saved by the computers many timesC.always get hurt in saving peoples livesD.are trying hard to stop a fire burningCFirst-time dog owners may encounter (遇到) many
14、 problems getting to know and train their bets. Sometimes a puppy (小狗), or even an older dog, will chew their fingers or bite them. Even in play, this can really hurt. Unfortunately, many bet owners tolerate (容忍) this in a young dog. However when the dog gets larger, it is not fun to be bitten by it
15、. Training a dog fever to place his teeth on human skin or clothing is an important lesson. From now on, if you feel your dogs teeth while you are playing with him, say “ouch“ in a loud voice and move away from him. He will soon learn that when he bites, you will not play with him any more.Another b
16、ad habit that many people tolerate in their pets is allowing them to bite and held on to clothing. Dont let your dog do this to you. When he does something you want him to do, praise him and tell him hes a good dog. You can also give him a treat at the same time he performs the good behavior. Eventu
17、ally he will learn which kind of behavior is acceptable and which is not. Remember that reward is more effective than punishment, if you reward your dog when he does what you want him to, he will become very well behaved. Also remember that puppies need to chew on something. So give him a sock with
18、a knot tied in it or an old shoe. If he chews the wrong thing, take it away while saying “No“ and give him something he can chew. If dogs are trained well, they will truly be your friends for a lifetime.（分数：4.00）(1).This passage is written to _.（分数：1.00）A.show dog owner how to behaveB.teach people h
19、ow to train dogsC.explain why a dog chews on somethingD.show good dog behaviors(2).According to this passage, many people tend to _.（分数：1.00）A.think puppies should be properly trainedB.be too rough towards their dogsC.give their dogs treats infrequentlyD.allow their dogs to behave badly(3).Based on
20、this passage, which of the following statements is NOT TRUE?（分数：1.00）A.Our behavior influences our dogs behavior.B.Dogs enjoy being rewarded by their owners.C.Saying nothing when your dog has bitten.D.Training a dog takes patience and tim(4).The author thinks that a better way to train a dog is to _
21、.（分数：1.00）A.punish him for any mistake he has madeB.reinforce (加强) his good behavior with a treatC.tolerate him no matter what he doesD.be kind to him and not to scold himDPlants need green leaves to make food. A plant needs sunlight and carbon dioxide (二氧化碳) from the air for making food and it also
22、 needs water and salts from the soil to make food too. There are certain cells (细胞) in the leaves which change carbon dioxide and water into sugar. To do this the cells need energy, which they get from the sunlight.Green leaves make food for the whole plant. A red leaf can make food too because unde
23、r the red coloring of the leaf there are food-making cells. There are no leaves that are completely yellow, for they cant make food.The plant makes sugar for its food. In sunlight green leaves make a lot of sugar. The veins (叶脉) cant carry all this sugar away, so the leaves change the sugar into sta
24、rch (淀粉), which is kept and so stored in the leaves. At night, the starch change back to sugar. It is then carried away from the leaves. Some of the sugar is used as food by the plant while the rest is stored as starch. In some plants, food is stored in the roots; in others it is stored in the stem
25、and in leaves, fruits and seeds.（分数：4.00）(1).What is the main idea of this passage?（分数：1.00）A.How green plants make food.B.How green plants make sugar.C.How green plants get their energy.D.How green plants change sugar into starc(2).To make food, plants need a lot except _.（分数：1.00）A.the airB.the so
26、ilC.green leavesD.dead leaves(3).Sugar is made for its food by _.（分数：1.00）A.sunlightB.veinsC.stemD.green leaves(4).Food is stored in roots or stems in the form of _.（分数：1.00）A.sugarB.starchC.water and saltsD.carbon dioxideENot everyone in the world requires the same amount of living space. The amoun
27、t of space a person needs around him is a cultural (文化的) difference, not an economic (经济的) one. Knowing your own psychological (心理的) space needs is important because they strongly affect your choices, including, for example, the number of bedrooms in the home. If you were brought up in a two-child f
28、amily and both you and your sister or brother had your own bedrooms, the chances are, if you have two children or more, that you also will offer separate (分开的) bedrooms for them. In America, for example, they train people to want to have their own rooms by giving them their own rooms when they are b
29、abies. This is very rare in the world. In many other countries, the baby sleeps in the same bed with his parents or in bed near them.The space in the home also shows a lot about psychological space needs. Some families gather closer to each other and the size of their house have nothing to do with i
30、t. Others have separate little corners where family members go to be alone.Although it is true that psychological space needs are not decided by economic reasons, they sometimes have to be changed a little because of economic pressures. It is almost impossible, however, to completely change your psy
31、chological space needs.（分数：4.00）(1).The first sentence in paragraph 1 “Not everyone in the world requires the same amount of space“ means _.（分数：1.00）A.no two people need exactly the same amount of living spaceB.living space requirements are not always the sameC.the world requires the same amount of
32、living spaceD.nobody needs a required amount of living space(2).Which of tile following is TRUE according to the passage?（分数：1.00）A.Americans are trained to live in large rooms at birth.B.Economic situation decides ones amount of space needs.C.People in various countries demand different psychologic
33、al space.D.Knowing your psychological space needs is important, as it affects your futur(3).According to the writer of the passage, psychological space needs _.（分数：1.00）A.are not affected by income at allB.can hardly be changed altogetherC.can be changed if you make up your mind to do soD.have nothi
34、ng to do with cultural background(4).The best title for this passage is _.（分数：1.00）A.American Way of LivingB.Psychological SpaceC.Space Needs in Different CountriesD.Psychological Space and Economic Pressure二、Unit 2(总题数：5，分数：20.00)ALevi Strauss, a young immigrant (移民) from Germany, arrived in San Fr
35、ancisco in 1850. California was in the middle of the Gold Rush, Thousands of men were coming to California to dig for gold. And Levi Strauss came to sell canvas (帆布) to these gold miners. Canvas is a heavy fabric. So Levi Strauss thought the miners could use the canvas for tents.One day Strauss hear
36、d a miner complain that he couldnt find clothes strong enough for the work he was doing, Strauss got an idea. He quickly took some of his canvas and made it into pants (裤子). These pants were what the miners needed. In one day Strauss sold all the pants he had made. Strauss wanted to improve his pant
37、s. He wanted to make them even better. He bought a fabric that was softer than canvas but just as strong. This fabric came from Nimes, a city in France, and was called “serge de Nimes“. The miners liked this fabric. They called it “denim“ (from “de Nimes“) and bought even more pants from Strauss. Ho
38、wever, denim had no color. Because of this the denim pants did not look very interesting, and they got dirty easily. To solve these problems, Strauss dyed (染) the denim blue. Strauss continued to improve his jeans. Today, the company he started is known around the world, And Jeans are considered not
39、 just practical but very fashionable as well.（分数：4.00）(1).This article mainly tells about the story of _.（分数：1.00）A.blue jeansB.Levi StraussC.Gold RushD.a kind of fabric(2).Which of the following shows the right order of what happened to Levi Strauss?（分数：1.00）A.Strauss found some gold miners unsatis
40、fied with his cloths.B.The company Strauss set up became world famous.C.Strauss sold canvas to gold miners.D.Strauss dyed the denim bluE.A.a.c.d.bB.a.c.b.dC.c.a.d.bD.c.a.b.d(3).What was Levi Strauss idea when he heard a miners complaint?（分数：1.00）A.He thought canvas was strong enough for tents.B.He c
41、ould improve canvas and make pants out of it.C.He thought canvas could be used for clothes.D.Miners could use canvas to make clothes.(4).Which of the following best describes Strauss character?（分数：1.00）A.He was a man full of imagination and idea.B.He was a kind-hearted man who liked to help others.C
42、.He was quick to see chance and ready to make improvements.D.Money-making was the thing that mattered most to him.BOf all the sciences, only two are subjects that have a direct (直接的) and noticeable effect on our lives every day. One is meteorology, the study of weather. Heat, cold, sun and rain affe
43、ct us in many waysin the kind of clothing we wear, for example, and the types of activities we do outdoors. Economics is the other science that affects the everyday lives of all of us. Each time we spend money, or it is spent on us, we are contributing (贡献) the economic life of our country and, in f
44、act, of the world.Most people have a basic understanding of the weather, but how many people feel comfortable with the subject of economics? Often, economics seems to be a mysterious (神秘的) subject. Newspapers and television use terminology (术语学) that can resemble (像；类似) a foreign language. They spea
45、k of the gross national product, the cost of living, the prime rate, the money supply, productivity, the unemployment rate, the balance of payments, and so forth.In some ways, economics is like an enormous jigsaw puzzle (拼图游戏). Each piece is basic, but the pieces interconnect, one to another, in a l
46、arge picture. To look at the whole picture, you must begin piece by piece.（分数：4.00）(1).Next the author will most probably talk about _.（分数：1.00）A.the study of economicsB.the study of weatherC.the study of paintingD.Both A and B(2).When talking about the weather, the author suggests that _.（分数：1.00）A
47、.the weather affects peoples outdoor activitiesB.the study of weather is a branch of scienceC.people more or less know about the weatherD.the weather affects tile clothing people wear(3).Which of the following is TRUE?（分数：1.00）A.Economics is the only science that affects our lives.B.Economics is so
48、complex that there are many terms (术语) that we can not understand.C.People only know a little about meteorology.D.Economics is a science about spending money.(4).The passage suggests that we should examine economics little by little because _.（分数：1.00）A.economics affects the everyday lives of all of
49、 usB.economics is different from meteorologyC.economics is quite complex as a wholeD.studying economies is like playing with jigsaw puzzleCCenturies ago, mountains were thought to be the home of evil spirits, it was not until 200 years ago that men began to climb the highest peaks (山峰).At first, men climbed alone or with one or two friends. However, as men climbed higher and more dangerous mountains a team who could work together became very important.Climbing a giant mountain takes weeks and even
