江苏省南京市重点中学2005—2006学年度第一学期
高三英语测试
总分150分
第一卷（三部分，共115分）
第一部分：听力（共两节，满分30分）
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，从题中所组的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。
1．What are the man and woman talking about?
A．Buildings.
B．University.
C．New laboratories.
2．What does the man mean?
A．The son is not doing well.
B．The son is as smart as his father.
C．The soon is very poor.
3．What does the man mean?
A．It’s too far away to walk to.
B．It’s within walking distance.
C．It’s not far, but too far to walk to.
4．Where does this conversation most probably take place?
A．At home.
B．At a restaurant.
C．On a party.
5．What does the man mean?
A．He moved the desk alone.
B．He had some classmates move the desk.
C．His classmates helped him.
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，以题中所给的A、B、C三个选项中选出最佳选项，并标在试卷的相应位置。听每段对话或说独白前，你将有时间阅读各个小题，每小题5秒种；听完后，各小题将给出5秒钟的作答时间。每段对话或独白读两遍。
听第6段材料，回答第6、7题。
6．Whose mother was ill?
A．Jeff’s.
B．Jack’s.
C．Richard’s.
7．With whom did the man go traveling?
A．Maria.
B．His dog.
C．Jeff and Richard.
听第七段对话，回答第8至11题。
8．What kind of food will the man and woman eat?
A．American food.
B．Indian food.
C．Chinese food.
9．Where is the restaurant?
A．On Queen Street.
B．On Main Street.
C．On Rain Street.
10．How does the woman know that the Eastern Palace is a good Chinese restaurant?
A．She has been there several times.
B．She has tried it once.
C．She has been told about it.
11．What time will they most likely meet?
A．7:00.
B．7:15.
C．6:45.
听第八段对话，t回答第12至14题。
12．Where does this conversation take place?
A．In a restaurant.
B．In a hospital.
C．At the office.
13．The woman gets a pain in stomach ___________.
A．about an hour after she has eaten.
B．about an hour before she has eaten.
C．just when she begins to eat.
14．What can you conclude about the woman’s husband from this conversation?
A．He eats very quickly.
B．He doesn’t eat as quickly as his wife.
C．He sometimes eats more slowly than his wife.
听第九段对话，回答第15、16题。
15．According to the woman, _______________.
A．she was born in Hawaii.
B．she has never been to Hawaii.
C．she has been working in Hawaii for many years.
16．In order to travel round the island, it’s most likely that the woman will___________.
A．rent a car.
B．take a bus.
C．travel on foot.
听第十段对话，x回答第17至20题。T x
17．What did the 19th century scientists think?
A．Different part of the brain functions differently.
B．It is not easy to say what is not so simple as people may think.
C．The way the brain works is not so simple as people may think.
18．How many chemical changes take a place in the brain?
A．10,000 every second.
B．6,000,000 every minute.
C．100,000 every hour.
19．How can the brain keep its power?
A．To increase the amount of research done on the brain.
B．To say exactly what each part of the brain does.
C．To give the brain plenty of exercise.
20．Which of the following statements is true?
A．We can remember everything that happens to us.
B．The power of one’s brain gets weaker as one grows older.
C．We should use our brain less so that it can work better.
第二部分：英语知识应用（共两节，满分45分）
第一节：单项填空（共15小题；每小题1分，满分15分）
从A、B、C、D四个选项中，选出可以填入空白处的最佳选项。
21、——Shall I take your__________ now?
——Yes, a glass of beer, beefsteak, crisp skin chicken and mushroom soup.
A. menu B. order C. bill D. food
22、——Please have a seat, Mr Broom.
Mr Smith will be __________ immediately.
——Thank you.
A. along B. on C. off D. at
23、The train they are talking about is __________ at 11:20.
A. set B. left C. arrived D. due
24、The high building stands out __________ the sky.
A. in B. under C. against D. of
25、Please let me know __________ he comes.
A. for a moment B. in a moment
C. the moment D. at the moment
26、——I think the Red Team will win the find game.
——It’s __________ that they will.
A. almost surely B. quite certainly
C. rather possibly D. very likely
27、He __________ a sum of money every month for his age.
A. sets up B. sets aside C. takes away D. has saved
28、You can’t be __________ careful in making the decision as it is much a critical case.
A. very B. always C. too D. so
29、__________ the water is anything but blue, I still enjoyed gliding by villages and vineyard covered hillside.
A. While B. When C. Because D. If
30、The letter I had been anxiously waiting for __________ me just now.
A. reaching B. reached C. arrived D. passing
31、——Sorry to have hurt you.
——__________. You didn’t mean to, did you?
A. Don’t worry. B. Take it easy C. Don’t say so D. Forget it
32、The doctor __________ she sent is very well known.
A. for whom B. at whom C. to whom D. about whom
33、I promise you that I __________ an answer tomorrow.
A. shall be giving B. shall give
C. will give D. am going to give
34、Mary __________ to college last year. Unfortunately, she couldn’t take the examination because of a sudden illness.
A. could go B. can’t have gone
C. could have gone D. should have gone
35、I don’t like the noise of these jet aircraft, but I’ve learned to __________ it.
A. stand with B. stay with C. live with D. work with
第二节 完形填空（共20小题，每小题1.5分，满分30分）
阅读下面短文，掌握其大意，然后从36—55各题所给的四个选项（A、B、C和D）中选出能填入相应空白处的最佳选项。
Scientists in the United States are using teat-tube baby techniques to try to save wild animals ____36_____ extinction（灭绝）.
The test-tube technique, or in-vitro fertilization, ____37_____ involves fertilizing eggs（使卵子受精）in the laboratory and then ____38___ them inside the female, became famous when human babies were conceived（怀孕）in this way. The technique is now helping another mammal---the tiger. __39____ the process is successful, it could prevent many species dying ____40_____ . At Minnesota Zoo, in the US, scientists have taken semen from a male tiger and eggs from a female tiger, and ___41_____ them together in the ____42_____. These men fertilizes the eggs and, after a period of about 36 hours, the new embryos（胚胎）can be implanted in the uterus（子宫）of a tigress. This technique ____43_____ the baby tiger to develop naturally ____44_____ the uterus.
A big ____45_____ of this method is that the female tiger does not even have to be the same ___46____ as the embryo. The zoo team found ____47_____ could use a Siberian tiger as a surrogate mother（替身母亲）for Bengali tiger embryos. The test-tube tiger technique could ____48_____ in a bank of embryos of ____49_____ animals. An embryo store would help ____50_____ a healthy genetic mixture within ____51_____ groups of animals.
Many species today are threatened by hunting, or by the ____52_____ of their habitat（居住环境）and food chains. Threatened animals are often _ 53_____ in numbers and left in isolated groups. Away from other herds or family groups of their own kind, they are ____54_____ to breed with close relatives（近亲繁殖）and this produces many more unhealthy off-spring （后代）than ____55_____ normally occur.
36．A．from B．in C．of D．with
37．A．where B．what C．which D．when
38．A．puts B．equipping C．places D．placing
39．A．If B．Since C．When D．As
40．A．away B．out C．up D．down
41．A．matched B．stirred C．mixed D．put
42．A．factory B．laboratory C．library D．tube
43．A．makes B．lets C．helps D．allows
44．A．outside B．into C．inside D．within
45．A．advantage B．problem C．weakness D．importance
46．A．groups B．kinds C．sorts D．species
47．A．he B．they C．she D．it
48．A．reach B．lead C．result D．end
49．A．endangered B．extinct C．all D．some
50．A．remain B．prevent C．encourage D．maintain
51．A．remarkable B．particular C．considerable D．distinct
52．A．destruction B．injury C．development D．change
53．A．reducing B．fallen C．reduced D．separated
54．A．encouraged B．forced C．allowed D．forbidden
55．A．should B．might C．could D．would
第三部分：阅读理解（共20小题；每小题2分，满分40分）
阅读下列短文，从每题所给的四个选项（A、B、C和D）中，选出最佳选项，并在答题卷上将该项涂黑。
A
Packaging is an important form of advertising. A package can sometimes motivate someone to buy a product. For example, a small child might ask for a breakfast food that comes in a box with a picture of a TV character. The child is more interested in the picture than in breakfast food. Pictures for children to color or cut out, games printed on a package, or a small gift inside a box also motivate many children to buy products-or to ask their parents to buy for them.
Some packages suggest that a buyer will get something for nothing. Food products sold in reusable containers are examples of this. Although a similar product in a plain container might cost less, people often prefer to buy the product in a reusable glass or dish, because they believe the container is free. However, the cost of the container is added to the cost of the product.
The size of a package also motivates a buyer. Maybe the package had “Economy Size” or “Family Size” printed on it. This suggests that the larger size has the most product for the least money. But that is not always true. To find it out, a buyer has to know how the product is sold and the price of the basic unit.
The information on the package should provide some answers. But the important thing for any buyer to remember is that a package is often an advertisement. The words and pictures do not tell the whole story. Only the product inside can do that.
56、From the passage we know the buyer pays more attention to __________.
A. the size of a container
B. a container with attractive picture
C. a well-designed container
D. a plain container with low cost
57、What suggestion does the author give in the passage?
A. It’s not good to buy the product which is sold in a glass or dish.
B. The quality of a container has nothing to do with the quality of the product.
C. The best choice for a buyer is to buy a product in a plain package.
D. A buyer should buy what he needs most rather than a well-designed package.
58、Which of the following sentences is NOT TRUE according to the passage?
A. Actually glasses or dishes used for packaging do not cost money at all.
B. “Family Size” printed on the package means that it is rather economic.
C. To a child, even to an adult, the form is far more important than the content.
D. Words and pictures written on the package are thought to be an advertisement.
59、What is the best title for the passage?
A. How to Package a Product.
B. How to Make an Advertisement.
C. How to Sell Product.
D. How to Treat the Package Wisely.
B
Marshall Field’s, a department store in Chicago, has long used the motto, “Give the lady what she wants.” Finding out what the customer wants is one of the problems marketing research tries to solve. Marketing research has been defined as trying to analyze marketing problems scientifically. It studies people as buyers and sellers, examining their habits, attitudes, preferences, dislikes, and purchasing power. It often studies specific groups of people, such as teenagers, high-income groups, or senior citizens. Marketing research also investigates distribution systems, pricing, promotion, product design, packaging, brand names, and almost every aspect of the seller-buyer relationship.
Marketing research is divided into a number of sub-areas. Advertising research attempts to find out the effectiveness of advertising. It also seeks to learn the best media for advertising specific products：television, newspapers, radio, magazines, billboards, and others. Market analysis tries to identify and measure markets for specific products and to estimate sales potential. Markets may be differentiated by population groups or by geography. Some types of clothing are more likely to sell in Florida and California than in the northern Midwest. Some cosmetics will appeal more to black customers than to white customers. Performance analysis helps a company learn how well it is meeting its goals of sales and profits. Product research analysis covers the whole area of new-product development. Marketing research is an expensive undertaking, and its costs are built into the prices of products.
60、As far as advertising is concerned, television __________.
A. is the best medium for direct advertising
B. is the best medium for indirect advertising
C. is a suitable medium only for certain goods
D. is the quickest and cheapest means of advertising
61、Sweaters produced for and sold to young women are examples of market differentiation according to __________.
A. age and education B. population group
C. quality and size D. gender（性别） and occupation
62、Performance analysis and product research differ in that __________.
A. the former aims to find out how a goal is met in a more efficient way
B. the former is to find out if the present performance is directed to the goal
C. the latter aims to find out how the present product is marketed
D. the latter aims to find out whether a product is being sold well
63、According to the last paragraph, the cost of marketing research __________.
A. is supplied by the producer and seller together
B. is met by increasing the price of the product
C. is too expensive to be met only by the producer
D. is high but the price of the product should be kept low
C
In the latter part of the 20th century, child labor remains a serious problem in many parts of the world. Studies carried out in 1979, the International Year of the Child, showed that more than 50 million children below the age of 15 were working in various jobs often under dangerous conditions. Many of these children live in underdeveloped countries in Latin America, Africa, and Asia. Their living conditions are crude and their chances for education minimal. The small income they bring in, however, is necessary for the survival（生存）of their families. Frequently, these families lack the basic necessities of life-adequate food, decent clothing and shelter, and even water for bathing.
In some countries industrialization has created working conditions for children that are comparable to the worst features of the 19th-century factories and mines. In India, for example, some 20,000 children work 16-hour days in match factories.
Child-labor problems are not, of course, limited to developing nations. They occur wherever poverty exists in Europe and the United States. The most important efforts to eliminate（根除） child-labor abuses throughout the world come from the International Labor Organization (ILO), founded in 1919 and now a special agency of the United Nations. The organization has introduced several child-labor conventions（规定） among its members, including a minimum（最低） age of 16 years for admission to all work, a higher minimum age for specific types of employment, compulsory（强制的） medical examinations, and regulation（规定） of night work. The ILO, however, does not have the power to enforce these conventions. It depends on voluntary obedience（服从） of member nations.
64、The use of children workers is the most serious __________.
A. in the latter part of the 20th century
B. in the International Year of the Child in 1979
C. in some areas of Latin America
D. in the poorest and backward parts of the world
65、Often children have to work because __________.
A. they have to provide for their families
B. they can not afford to go to school
C. they are forced to work by their parents
D. there is no organization to protect them
66、According to the UN conventions, __________.
A. children can not be employed
B. employers should provide medical care for children workers
C. children should never be arranged to work at night
D. all countries should give children workers regular physical examinations
67、As far as child labor is concerned, in India, __________.
A. children workers work the longest hours
B. most children workers are employed in match factories
C. the working conditions for children are really very bad
D. there has been great improvement in the working condition since the last century
D
Government policy is made by elected officials who are members of political parties. In the United States most elected officials are members of either the Democratic or Republican party, though occasionally members of smaller parties are also elected.
Political parties are organizations that wish to achieve control of the process of government. They differ from interest groups that only want to have an influence on government policy through influence of education of the public. A party gains control of government by getting more of its candidates（候选人） elected to office than its opposition parties do. In Great Britain, for example, more Conservative party（保守党）candidates won representation（代表） in Parliament in the elections of April 1992 than did Labor party candidates. The Conservatives, therefore, were able to have their leader John Major continue in office as prime minister. They were also able to decide which programs the government should adopt, and they had enough votes in Parliament（议会、国会） to pass their legislation.（法规）
In the earliest decades in which political parties existed, their memberships were quite small. In the United States and England, for example, most citizens were not allowed to vote. Party membership, therefore, consisted mainly of landowners, members of the nobility, factory owners, merchants, and other wealthy individuals. By the third decade of the 19th century in the United States, and somewhat later in Europe, the right to vote was extended to include most white males. When more people could vote, party memberships increased. By the middle of the 20th century, after women had gained the right to vote in most nations, political parties became more dependent upon mass support.
68、A political party is different from an interest group in that __________.
A. the former is usually formal and the latter informal
B. both political party and interest party want power
C. the latter can control government policy in an indirect way
D. the latter often uses their money to influence political life
69、How did a party get control of the government?
A. By going into political life of the country.
B. By educating the public in times of election.
C. By getting more of its members into government.
D. By enlarging the membership of the party.
70、What happened in 1992 in Great Britain?
A. John Major became the prime minister in place of the Labor Party leader.
B. The Conservative Party forced parliament member to pass their legislation.
C. More seats in the parliament were taken by the Conservative Party.
D. The Labor Party prime minister was driven out of office.
71、The parties became large when __________.
A. more and more people became rich enough
B. more and more people were granted the right to vote
C. more and more white people went into political life
D. the government machine became more complicated
E
Under the 1944 act, primary and secondary education became a local responsibility. Local Education Authorities（主管部门）（LEAs）employ the teachers and are the major providers of education. In addition, a few schools are run by voluntary bodies, mostly religious. There is also a small private sector.
Primary education is free and compulsory from age 5 to 11. Secondary education, which is organized in a variety of ways, is provided by LEAs for children aged 11 to 19；it is free and compulsory to age 16（the minimum leaving age being raised from 15 in 1972）. Teachers employed by the LEAs are paid on an agreed national scale.（尺度） Primary and secondary education is financed（提供资金） almost entirely by the state out of central and local tax revenues（收入）.
Under the 1944 act children were examined at age 11（the so-called eleven plus）, on the basis of which they were assigned（分配） either to grammar schools, which prepared them for higher education, or to secondary modern schools, which they usually left at the minimum leaving age, often without having passed pubic examinations or having been awarded a certificate. In1964 the Labor government reorganized secondary education on comprehensive lines, that is, each school accepted pupils of all abilities. The eleven plus was abolished（废除） in many areas, and the great majority of children now go to comprehensive schools.
The Education Reform Act of 1988 brought about great changes. Of its provisions（条款） for school, five were particularly important. It laid on the secretary of state a duty to establish a national curriculum（教学大纲）, applicable to（适用于） all state schools, introduced a system by which individual schools controlled their own management and finance and permitted schools to apply to get out of control by local authorities. In addition, schools were required not overly to restrict（限制） numbers, and the Inner London Education Authority, which provided education in the inner London boroughs（区）, was abolished.
72、The first paragraph tells the reader that in Britain, in accordance with the 1944 act, ___.
A. the government no longer cared about the secondary and primary education
B. Scotland had to be responsible for its secondary and primary education
C. there were more schools run by voluntary religious organizations
D. private organization and institutions could also run their own schools
73、Before 1972, __________.
A. children under the age of 15 must go to school
B. only children under 16 did not pay for their education
C. children could choose not to receive secondary education
D. secondary education was not completely free
74、The eleven-plus examination was one __________.
A. that tested the students on their grammar knowledge
B. that prepared the students for higher education
C. that prepared the students for secondary modern schools
D. that placed children into different secondary schools
75、Why was the Inner London Education Authority abolished?
A. Because it refused to carry out education reform.
B. Because it limited school enrollment to a certain district.
C. Because it failed to follow the national curriculum.
D. Because it applied to get out of control by local authorities.
第二卷（二部分，共35分）
第一部分：短文改错（共10小题，每小题1分；满分10分）
此题要求改正所给短文中的错误，对标有题号的每一行作出判断；如无错误，在该行右边横线上画一个勾（√）；如有错误（每行只有一个错误），则按下列情况改正：
此行多一个词：把多余的词用斜线（/）划掉，在该行右边横线上写出该词，并也用斜线划掉。
此行缺一个词：在缺词处加一个漏字符号（∧），在该行右边横线上写出该加的词。
此行错一个词：在错的词下划一横线，在该行右边横线上写出改正后的词。
注意：原行没有错的不要改。
Althea sometimes gets to school early as 76._______________
eight o’clock. Classes don’t start at nine, 77._______________
but she uses the extra hour to complete 78._______________
her work after classes begin. She also uses 79._______________
the time to talk to parents can’t come to 80._______________
see them in the afternoon. At lunchtime she 81._______________
usually eats and the children to make sure 82._______________
whether they get a proper meal. After school, 83._______________
she corrects homeworks or make out lesson 84._______________
plans for the next day. It’s busy life, but 85._______________
Althea is happy because she feels that she
is helping her children.
第二部分：书面表达（满分25分）字数100左右。
阅读下面漫画，先对漫画的内容进行描述，然后对这一现象发表自己的看法。（100词左右）
 |
Words for possible use:
西瓜：water-melon 清洁工人：dustman 垃圾箱：dustbin
tx参考答案
一、听力：
1～5 BABBC 6～10ABCBC 11～15CBABB 16～20 BABCA
二、单项选择：
21～25 BADCC 26～30 DBCAB 31～35 DACCC
三、完形填空：
36～40 ACDAB 41～45 CBDCA 46～50 DBCAD 51～55 BACBD
四、阅读理解：
56～60 CBADC 61～65 BBBDA 66～70 BCCCC 71～75 BBADB
五、改错：
Althea sometimes gets to school early as 76. as early as
eight o’clock. Classes don’t start at nine, 77. until
but she uses the extra hour to complete 78. √
her work after classes begin. She also uses 79. before
the time to talk to parents can’t come to 80. who/that can’t
see them in the afternoon. At lunchtime she 81. her
usually eats and the children to make sure 82. with
whether they get a proper meal. After school, 83. that
she corrects homeworks or make out lesson 84. homework
plans for the next day. It’s busy life, but 85. a busy life
Althea is happy because she feels that she
is helping her children.
六、书面表达：
The boy and the girl in the picture sat on a bench talking merrily while eating a water-melon. When they went away they left the melon’s skin on the bench, making it very dirty. They didn’t want to take any trouble throwing it into the dustbin although it was very near where they were sitting. Instead, they said that there would be someone who should clean the rubbish.
However, what they did violate public morality. If everyone behaves in this way, the world will be a big rubbish dump with files flying round and people will live in a world of diseases. Besides, dustmen will have a very very hard job to clean the world we live in.
录音稿：
1．W: Herry, how do you like your university?
M:I just love it. We have such beautiful and comfortable buildings. We have new laboratories, too.
2．W: How’s your son doing in school? Is he smart as his father?
M: He had a promising start, but now he’s doing poorly. To make things worse, he’s stopped going to classes.
3．W: Could you tell me how to get to the train station? I hear that it’s in this direction.
M: Yes, it is. You can either take a bus or taxi heading south, but it is not too far. If I were you, I’d prefer to walk.
4．W: Would you like anything to drink, sir?
M: Yes, I think so. This lady will have a cup of tea and I’ll have a beer.
5．W: How on earth did you move that heavy desk to the room upstairs?
M: My classmates carried it with me.
6．M: Hello, Maria.
W: Hello, Jack. I heard that you went on a trip last month.
M: That’s right. I was away for ten days, just to have a change.
W: Oh, ten days! How wonderful! Did you go alone or with your friends?
M: I was planning to go together with Jeff and Richard, but they both couldn’t make it in the end.
W: What happened?
M: Jeff’s mother was ill, so he must stay home to take care of her. Richard got a new task and couldn’t spare time.
M: I see. And what did you do with your dog while you were away?
W: Oh, he’s a good traveler, as long as he gets a chance to play.
7．M: Why don’t we go out for dinner sometime this week?
W: That’d be nice. I haven’t been to a restaurant for ages. Do you have any place in mind?
M: Not really. Let’s think. How about Indian food?
W: Mmm, that would be Okey, It can be a bit hot, though.
M: Yeah, that’s true. Then how about Chinese food?
W: I love Chinese food. But I’m never sure what to order!
M: Well, why don’t we try that Chinese restaurant on Main Street? Have you ever eaten there?
W: You mean the Eastern Palace? Is that the one?
M: That’s right.
W: No, I’ve never tried it. I hear it’s very good.
M: Yes, I’ve eaten there several times, so I know the menu quite well.
W: Sounds great! So when do you want to go?
M: Is Friday okay with you?
W: Sure, I’m not doing anything on Friday.
M: Would 7:00 be okay?
W: Yeah, that would be g good idea.
M: Then let’s meet in front of the restaurant just before seven.
W: All right. I look forward to it. Thanks.
8．M: Hello, Mrs. Thomas. What can I do for you?
W: Well, I’ve been having bad stomach pains lately, doctor.
M: Oh, I’m sorry to hear that. How long have you been having them?
W: Just in the last few weeks. I get a very sharp pain about an hour after I’ve eaten.
M: I see. Do you get this after every meal?
W: Let me think. No, it’s usually in the afternoons, after lunch.
M: Well, what do you have for lunch?
W: Oh, I mostly just have a quick hamburger and rush back to the office. We’re very busy at the moment.
M: Well, I don’t think it’s anything serious. Maybe you eat too quickly. It’s bad for your health.
W: My husband is always telling me that.
M: Anyway, I’ll give your something for it and we’ll see what happens. Take the medicine three times a day.
W: After meals or before.?
M: After eating.
W: Thank you, doctor.
M: You’re welcome.
9．W: Do you live in Hawaii?
M: Yeah, I’ve been working in Honolulu for the last couple of years.
W: Great. This will be my first visit. I hear it is beautiful.
M: Yes, it is. So what do you plan to do there?
W: First, I’m going to go to the beach. Then , I though I’d visit some of the other islands.
M: That’s a good idea. There’s plenty to do there, though!
W: Really? What should I see?
M: Well, you should try to see a Hawaiian show if you can. There’s a good one at the Royal Hawaiian Hotel. Then if you like museums, there’s the Bishop Museum, which is very interesting.
W: I should write this down. Is it very to get around the island? By the way, do you think I should rent a car?
M: It’s up to you. Public transportation is pretty good, though. There are plenty of buses, and you can take a bus trip around the whole island for only 60 cents.
10． During the 19th century scientists thought that each part of the brain does a different job. But modern research has found this is not so, for it is easy to say exactly what each part of the brain does. In the past fifty years there has been a great increase in the amount of research done on the brain. Scientists have discovered that the way the brain works is not so simple as people may think. Chemists tell us that 100,000 chemical changes take place in the brain every second. Some recent researches also suggest that we can remember everything that happens to us. We may not be able to think back the things we’ve heard and seen, but it is all kept there in the storehouse of the human mind. Earlier scientists thought that power of one’s brain got weaker and weaker as one grew older. But it is now thought that that is not true. As long as the brain is given plenty of exercise it keeps its power. It has been proved that an old person who has always been active in the mind has a quicker mind than a young person who has only done physical work without using much of his brain. It is now thought that the more work we given our brains, the more work they are able to do.