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1、In ancient times wealth was measured and exchanged in things that could be touched:food,tools,and precious metals and stones.Then the barter system was replaced by coins,which still had real value since they were pieces of rare metal.Coins were followed by fiat money,paper notes that have value only because everyone agrees to accept them.
Today electronic monetary systems are gradually being introduced that will transform money into even less tangible forms,reducing it to a series of”bits and bytes”,or units of computerized information,going between machines at the speed of light.Already,electronic fund transfer allows money to be instantly sent and received by different banks,companies,and countries through computers and telecommunications devices.
1[单选题]Which of the following would be the most appropriate title for the passage()?
A.International Banking Policies
B.The History of Monetary Exchange
C.The Development of Paper Currencies
D.Current Problems in the Economy
[答案]B
2[单选题]According to the passage,which of the following was the earliest kind of exchange of wealth()?
A.Bartered foods
B.Fiat money
C.Coin currency
D.Intangible forms
[答案]A
[解析]
3[单选题]The author mentions food,tools and precious metals and stones together because they are all().
A.useful items
B.articles of value
C.difficult things to obtain
D.material objects
[答案]D
4[单选题]According to the passage,coins once had real value as currency because they ().
A.represented a great improvement over barter
B.permitted easy transportation of wealth
C.were made of precious metals
D.could become collector's items
[答案]C
2、At the University of Kansas art museum,scientists tested the effect of different colored walls on two groups of visitors to an exhibit of paintings.For the first group the room was painted white;for the second,dark brown.Movement of each group was followed by an electrical equipment under the carpet.The experiment showed that those who entered the dark brown walked more quickly,covered more area,and spent less time in the room than people in the white one.Dark brown made people more active,but the activity ended sooner.Not only the choice of colors but also the general appearance of a room affects those inside.Another experiment presented people with photographs of faces whose energy was to be commented.Three groups of people were used;each was shown the same photos,but each group was in an ordinary room—a nice office.The third was in a tastefully designed living room with carpeting.Results showed that the people in the beautiful room tend to give higher marks to the faces than those in the ugly room did.Other studies that students do better on tests taken in comfortable room than in ordinary-looking or ugly rooms.
5[单选题]Which of the following is the best expression of the main idea of this passage()?
A.People in beautiful rooms tend to give higher marks to photos of faces than people in ugly rooms
B.The color and general appearance of a room have a deeper effect on the behavior of the people in it
C.The University of Kansas has studied the effects of the color of room on people's behavior
D.Beautifully furnished,light-coloured rooms make people more comfortable than ugly,dark rooms
[答案]B
6[单选题]What is referred to as the”general appearance”in this passage is().
A.how many broad windows a room has,through which sunlight might come in
B.the size of a room
C.whether there are beautiful walls in a room
D.what the room looks like
[答案]D
7[单选题]This passage provides us with().
A.a piece of scientific information
B.a normal lesson
C.an interesting test
D.a piece of news
[答案]A
8[单选题]At least how many tests were carried out by the scientists referred to in this passage()?
A.Three
B.Two
C.Only one
D.No one knows
[答案]A
3、The water we drink and use is running short in the world.We all have to learn how to stop wasting our limited water.One of the steps we should take is to find ways of reusing it.Experiments have already been done in this field.
Today in most large cities,fresh water is used only once,then it runs into waste system.But it is possible to pipe the used water to a purifying factory.There it can be filtered and treated with chemicals so that it can be used again,just as it were fresh from a spring.
But even if every large city purified and reused its water,we still would not have enough.Then we could turn to the oceans.All we'd have to do to make use of the seawater on earth is to get rid of the salt.This process is called desalinization,and it is already in use in many parts of the world.
9[单选题]The way to stop wasting our limited water is to().
A.do experiments with water
B.purify the used water and reuse it
C.use fresh water once again
D.make use of seawater
[答案]B
10[单选题]The following tells us how to reuse the used water.Which is the right order of the passage()?
A.to have the used water filtered
B.to put chemicals in it
C.to pipe it to the users
D.to pipe the used water to be purified to a factory
[答案]A
11[单选题]There wouldn't be enough water for us if we didn’t().
A.turn to the oceans for more water
B.reuse used water and make use of seawater
C.desalt seawater
D.take steps to reuse all water on earth
[答案]B
12[单选题]The would”it”in the last sentence refers to().
A.seawater
B.purified water
C.the process of getting rid of the salt in seawater
D.the process of collecting salt from the sea oceans
[答案]C
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