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阅读材料，回答题。All the useful energy at the surface of the earth comes fromthe activity o

阅读材料，回答题。

All the useful energy at the surface of the earth comes fromthe activity of the sun. The sun heats and feeds creatures and mankind. Eachyear it provides men with two hundred million tons of grain and nearly tenmillion tons of wood, coal, oil, natural gas, and all other fuels are stored energyfrom the sun. Some was collected by this season’s plants as carbon compounds.Some was stored by plants and trees ages ago. Even waterpower derives from thesun. Water turned into vapor by the sun fails as rain. It courses down themountains and is converted to electric power. Light transmits only the energythat comes from the sun’s outer layer, and much of this energy that is directedtowards the earth never arrives. About nine tenths of it is absorbed by theatmosphere of the earth. In fact, the earth itself gets only one half millionthof the sun&39;s entire output of radiant energy.

The sun is the source of all of the following EXCEPT ________ 查看材料

A.gasoline

B.natural gas

C.atomic power

D.animal fat

提问人：网友sycslion 发布时间：2022-01-07

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更多“阅读材料，回答题。All the useful energy…”相关的问题

第1题

阅读材料，回答题。Today anyone will accept money in exchange for goods and services.. People

阅读材料，回答题。

Today anyone will accept money in exchange for goods and services.. People use money tobuy food, furniture, books, bicycles and hundreds of others they need or want. When they work,they usually get paid in money.

Most of the money today is made of metal or paper. But people used to use all kinds of things as money. One of the first kinds of money was shells.

Shells were not the only things used as money. In China, cloth and knives were used. In thePhilippine Islands, rice was used as money. In some parts of Africa, cattle were one of the earliestkinds of money. Other animals were used as money, too.

The f&39;irst metal coins were made in China. They were round and had a square hole in the cen-tre. People strung them together and carried them from place to place.

Different countries have used different metals and designs for their money. The first coins inEngland were made of tin. Sweden and Russia used copper to make their money. Later, othercountries began to make coins of gold and silver.

But even gold and silver were inconvenient if you had to buy something expensive. Again the &39;Chinese thought of a way to improve money. They began to use paper money. The first papermoney looked more like a note from one person to another than paper money used today.

Money has had an interesting history from the days of sh~ll money until today.

Which of the following can be cited as an example of the use of money in exchange for services？查看材料

A.To sell a bicycle for $ 20

B.To get some money for old books at a garage sale

C.To buy things you need or want

D.To get paid for your work

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第2题

阅读材料，回答题。Concerning money or anything else, conflicts between husband and wife usua

阅读材料，回答题。

Concerning money or anything else, conflicts between husband and wife usually reflect a power struggle. Conflicts between parent and child often centre around the same issue. As children enter adolescence, they begin to demand greater freedom to go where they please, do what they please, and make decisions without parental interference. Many American parents do not know how to deal with their teenagers and seek advice from books, lectures, and parent training courses. Parents want to maintain a friendly relationship with their teenagers and also want to guide them so that their behavior. will be whatever the parents consider proper and constructive.

But in a society of rapidly changing social and moral values, parents and children often disagree about what is important and what is fight.

Arguments may concern such unimportant matters as styles of dress or hairdos. But quarrels may also concern school work, after school jobs, decisions, use of the family car, dating, and sex behavior. Some families have serious problems with teenagers who drop out of school, run away from home, or use illegal drugs. Because so much publicity is given to the problem teenager, one gets the impression that all teenagers are troublemakers. Actually, relatively few adolescents do anything wrong, and nearly all grow up into "solid citizens" who fulfill most of their parents’ expectations. In fact, recent studies show that the "generation gap" is narrowing. The vast majority of teenagers share most of their parents’ values and ideas. Many parents feel that they get along with their adolescents quite well.

According to the writer， conflicts between husband and wife usually reflect_______ 查看材料

A.feeling of hatred

B.power struggle

C.that they don’t care for each other

D.that they may appeal to divorce

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第3题

阅读下文，回答题Today anyone will accept money in exchange for goods and services. People u

阅读下文，回答题

Today anyone will accept money in exchange for goods and services. People use money to buy food, furniture, books, bicycles and hundreds of others they need or want. When they work,they usually get paid in money.

Most of the money today is made of metal or paper. But people used to use all kinds of things as money. One of the first kinds of money was shells.

Shells were not the only things used as money. In China, cloth and knives were used. In the Philippine Islands, rice was used as money. In some parts of Africa, cattle were one of the earliest kinds of money. Other animals were used as money, too.

The first metal coins were made in China. They were round and had a square hole in the cen-ter. People strung them together and carried them from place to place.

Different countries have used different metals and designs for their money. The first coins in England were made of tin. Sweden and Russia used copper to make their money. Later, other countries began to make coins of gold and silver.

But even gold and silver were inconvenient if you had to buy something expensive. Again the Chinese thought of a way to improve money. They began to use paper money. (80) The first paper money looked more like a note from one person to another than paper moneused toda .

Money has had an interesting history from the days of shell money until today.

Which of the following can be cited as an example of the use of money in exchange for serv- ices？查看材料

A.To sell a bicycle for $20

B.To get some money for old books at a garage sale

C.To buy things you need or want

D.To get paid for your work

点击查看答案

第4题

阅读材料，回答题。 Stories One of the most successful fashion companies in the world is Be

阅读材料，回答题。

Stories

One of the most successful fashion companies in the world is Benetton. The Benetton family opened their first shop in Italy in 1968.46Benetton followed four marketing principles in order to achieve their success.

The first principle in Consumer Concept. To build a successful business, you have to develop products around things people value, especially quality.47He created clothes to match people&39;s wants : the style. is casual; the colors and patterns are bold; and the quality is excellent.

The System Link in another feature of good marketing. For Benetton, this means waiting to get information about what customers like and what they dislike before making the clothes.48

The Information Link means making sure the company responds quickly to people&39;s demands.49 This information is then sent to the main office in Italy. Benetton can use this information to identify popular products and to continue making them; it can also identify less popular products and stop making them.

A final important marketing principle is the Retail Link. There are Benetton stores in countries around the world. All the stores have the same clothing, the same window display, and the same approach to sales.50

The things people like about Benetton stores are that the quality is always high and the prices are generally low. And that spells success.

请在第__（46）__处填上正确答案。查看材料

A.The founder of Benetton began by asking people what they wanted.

B.There used to be a good reason for this.

C.When something is sold at a Benetton store， the store records information about the type，size， and color of the item.

D.Today， there are Benetton shops in major cities all over the world.

E.This means that customers can go into any Benetton store in the world and be sure of what they are buying.

F.In other words， Benetton"s clothes are made to order.

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第5题

阅读下文，回答题（76) Concerning money or anything else, conflicts between husband and wife

阅读下文，回答题

(76) Concerning money or anything else, conflicts between husband and wife usually reflect a power straggle. Conflicts between parent and child often center around the same issue. As children enter adolescence, they begin to demand greater freedom to go where they please, do what they please, and make decisions without parental interference. Many American parents do not know how to deal with their teenagers and seek advice from books, lectures, and parent training courses. Par-ents want to maintain a friendly relationship with their teenagers and also want to guide them so that their behavior. will be whatever the parents consider proper and constructive.

But in a society of rapidly changing social and moral values, parents and children often disagree about what is important and what is fight.

(77) Arguments may concern such unimportant matters as styles of dress or hairdos. But quar-rels may also concern school work, after school jobs, decisions, use of the family car, dating, and sex behavior. Some families have serious problems with teenagers who drop out of school, run away from home, or use illegal drugs. Because so much publicity is given to the problem teenager,one gets the impression that all teenagers are troublemakers. Actually, relatively few adolescents do anything wrong, and nearly all grow up into "solid citizens" who fulfill most of their parents' ex-pectations. In fact, recent studies show that the "generation gap" is narrowing. The vast majority of teenagers share most of their parents' values and ideas. Many parents feel that they get along with their adolescents quite well.

According to the writer， conflicts between husband and wife usually reflect__________. 查看材料

A.feeling of hatred

B.power struggle

C.that they don" t care for each other

D.that they may appeal to divorce

点击查看答案

第6题

阅读材料，回答题。We all know that DNA has the ability to identify individuals but, because

阅读材料，回答题。

We all know that DNA has the ability to identify individuals but, because it is inherited, there are also regions of the DNA strand which can relate an individual to his or her family (immediate and extended), tribal group and even an entire population. Molecular Genealogy(宗谱学) can use this unique identification provided by the genetic markers to link people together into family trees. Pedigrees(家谱) based on such genetic markers can mean a breakthrough for family trees where information is incomplete or missing due to adoption, illegitimacy or lack of records. There are many communities and populations which have lost precious records due to tragic events such as the fire in the Irish courts during Civil War in 1921 or American slaves for whom many records were never kept in the first place.

The main objective of the Molecular Genealogy Research Group is to build a database containing over 100,000 DNA samples from individuals all over the world. These individuals will have provided a pedigree chart of at least four generations and a small blood sample. Once the database has enough samples to represent the world genetic make-up, it will eventually help in solving many issues regarding genealogies that could not be done by relying only on traditional written records. Theoretically, any individual will someday be able to trace his or her family origins through this database.

In the meantime, as the database is being created, molecular genealogy can already verify possible or suspected relationships between individuals. "For example, if two men sharing the same last name believe that they are related, but no written record proves this relationship, we can verify this possibility by collecting a sample of DNA from both and looking for common markers(in this case we can look primarily at the Y chromosome(染色体）) ," explains Ugo Perego a member of the BYU Molecular Genealogy research team.

People in a large area may possess the same DNA thread because __________. 查看材料

A.DNA is characteristic of a region

B.they are beyond doubt of common ancestry

C.DNA strand has the ability to identify individuals

D.their unique identification can be provided via DNA

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第7题

阅读材料，回答题： Computers in CarsYou&39;re far from home on alonely road. Shadowy fores

阅读材料，回答题：

Computers in Cars

You&39;re far from home on alonely road. Shadowy forests stretch away on both sides. athickmist (雾) makes it difficult to see far beyond your car&39;s windshield (挡风玻璃).

"Can this B．e route 90A？" you wonder. If it is, you should be near atown. Yet there&39;s nohint of one. Night is closing in. And you&39;re low on gasoline.

This is asituation where an in-car computer that can navigate would be abig help.

A car computer that navigates？ Yes! Such computers exist. Several experimental models arebeing tested by General Motors, Ford, Chrysler, and several foreign car makers. These computersvary in detail. but they all contain series of maps on videodiscs or videotapes. For example, onecomputer system contains 13,300 maps covering the continental US.

before starting out on atrip, A．driver can type in the code for the region he or she plans todrive through. The computer then shows amap of that region. At the same time, atiny radio re-ceiver linked to the computer goes to work. It picks up signals from navigation satellites such asthe NAVSTAR network. Using these signals, the computer shows the car&39;s position at all timesand displays this position on the map. The computer can also calculate and display the best routeto follow.

Anavigation computer may also receive and use dataabout road construction, weather condi-tions, and trafficjams. This information would be displayed to the driver and the computer wouldalso use the information to work out alternate (交替的 ) routes.

Most cars nowadays also contain computers that help cars run more efficiently. Microproces-sors (微处理的) control certain engine functions B．y regulating the mixing of fuel. Dataon carspeed, oil pressure, revolutions per minute, engine temperature, and fuel level can be displayedas digital data(numbers) or warning lights.

Some auto designers suggest that acentral computer display be used to clearly present suchtimely information as car speed and fuel level. Warning lights would indicate adrop in oil pres-sure or asudden rise in engine temperature. To get more information on these conditions, thedriver could call it up on the computer display screen. When needed, the computer could be"asked" to provide navigation aid or information about the car&39;s condition.

by describing atypical situation of alost driver on the road， the author intends to__________. 查看材料

A.make us believe how complex the highway computer network is

B.let us know how in-car computers are linked to road signs

C.show us how helpful anavigation computer can be

D.tell us that NAVSTAR has come into use

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第8题

阅读材料，回答题。 High Blood PressureThere is evidence that the usual variety of high blo

阅读材料，回答题。

High Blood Pressure

There is evidence that the usual variety of high blood pressure is，in part，a familial disease．Since families have similar genes as well as similar environment，familial diseases could be due to shared genetic influences，to shared environmental factors，or to both．For some years，the role of one environmental factor commonly shared by families，namely dietary salt，has been studied at Brook—haven National Laboratory．These studies suggest that chronic excess salt ingestion(摄取)can lead to high blood pressure in man and animals．Some individuals，however，and some rats consume large amounts of salt without developing high blood pressure．No matter how strictly all environmental factors were controlled in these experiments，some salt-fed animals never develop hypertension(高血压)whereas a few rapidly developed very severe hypertensions followed by early death．These marked variations were interpreted to result from differences in genetic constitution．

By mating in successive generations only those animals that failed to develop hypertension from salt ingestion，a resistant strain(the R strain)has been evolved in which consumPtion of large quantities of salt fails to influence the blood pressure significantly．In contrast，by mating only animals that quickly develop hypertension from salt，a sensitive strain(the S strain)has also been developed．

The availability of these two strains permits investigations not therefore possible．They provide a plausible laboratory model on which to investigate some clinical aspects of the human developing methods by which genetic susceptibility(敏感性)of human beings to high blood pressure can be defined without waiting for its appearance．

The main idea of this passage is__________．查看材料

A.Genetic constitution，or hereditary factor is all important factor that may underlie hypertension

B.Excessive use of salt may cause high blood pressure

C.Shared environmental factors may lead to familial disease

D.There are two different kinds of strains in animals which cause their different reactions to excess salt ingestion

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第9题

阅读材料，回答题。Increasingly, over the past ten years, people--especially young people--ha

阅读材料，回答题。

Increasingly, over the past ten years, people--especially young people--have become aware of the need to change their eating habits, because much of the food they eat, particularly processed food, is not good for the health. Consequently, there has been a growing interest in natural foods. Foods which do not contain chemical additives(添加剂) and which have not been affected by chemical fertilizers, widely used in farming today.

Natural foods, for example, are vegetables, fruit and grain which have been grown in soil that is rich in organic (有机的) matter. In simple terms, this means that the soil has been nourished by unused vegetable matter, which provides it with essential vitamins and minerals. This in itself is a natural process compared with the use of chemicals and fertilizers, the main purpose of which is to increase the amount--but not the quality--of foods grown in commercial farming areas.

Natural foods also include animals which have been allowed to feed and move freely in healthy pastures(牧场). Compare this with what happens in the mass production of poultry: there are farms, for example, where thousands of chickens live crowded together in one building and are fed on food which is little better than rubbish. Chickens kept in this way are not only tasteless as food, they also lay eggs which lack important vitamins.

There are other aspects of healthy eating which are now receiving increasing attention from experts on diet. Take, for example, the question of sugar. This is actually a non-essential food! Although a natural alternative, such as honey, can be used to sweeten food if it is necessary, we can in fact do without it. It is not that sugar is harmful in itself. But it does seem to be addictive: the quantity we use has grown steadily over the last two centuries and in Britain today each person consumes an average of 200 pounds a year! Yet all it does is to provide us with energy, in the form. of calories. There are no vitamins in it, no minerals and no fiber.

It is significant that nowadays fiber is considered to be an important part of a healthy diet. In white bread, for example, the fiber has been removed. But it is present in unrefined flour and of course in vegetables. It is interesting to note that in countries where the national diet contains large quantities of unrefined flour and vegetables, certain diseases are comparatively rare. Hence the emphasis is placed on the eating of whole meal bread and more vegetables by modern experts on "healthy eating".

People have become more interested in natural foods because __________. 查看材料

A.they are more health conscious

B.they want to taste all kinds of foods

C.natural foods are more delicious than processed foods

D.they want to return to nature

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第10题

阅读下文，回答题“High tech’’and“state of the art”are two expressions that describe the mode

阅读下文，回答题

“High tech’’and“state of the art”are two expressions that describe the modem technology．

High tech is just a shorter way of saying high technology．And high technology describes any in—vention，system of device that uses the newest ideas or discoveries of science and engineering．

What is high tech？A computer is high tech．So is a communications satellite．(79)A modem manufacturing(生产)system is surely high tech．High tech became a popular eXpression in me U-nited States during the early 1980's．Because of improvements in technology，people could buy many new kinds of products in American stores，such as home computers，microwave ovens，etc．

“State of the art”is something that is as modem as possible．It is a product that is based on the very latest methods and technology．Something that is“state of the art”is the newest possible design or product of a business or industry．A state of the art television set，for example，uses the modemest electronic design and parts．It is the best that one can buy．

“State of the art”is not a new expression．Engineers have used it for years，to describe the best and most modem way of．doing something．Millions of Americans began to use the expression in the late l970’S．The reason was the computer revolution．Every computer company claimed that its computers were“state of the art”．

Computer technology changed so fast that a state of the art computer today might be old to-morrow．(80)The expression"state of the art"became as common and popular as computers themselves．Now all kinds of products are said to be“state of the art”．

What is the purpose of the passage？查看材料

A.To tell how“high tech”and“state of the art”have developed．

B.To give examples of“high tech”．

C.To tell what“high tech’’and“state of the art”are．

D.To describe very modem technology．

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