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更多“Accurate source documents are crucial to accounting systems to limit the possibility of entering fau…”相关的问题
A、There is no secondary market for trading commercial paper
B、Only the strongest, highly rated companies issue commercial paper
C、Commercial paper is a source of interim financing for long-term projects
D、空
It is often stated that today's children are growing up in a computer world and they don't need the same skills that their grandparents did. But is it any wonder that many young girls trying to cope with budget housekeeping fail for the simple reason they cannot keep accurate checks on their purchases？
Shopping in markets is no source of cheap purchasing unless one is able to keep pace with the apparent mental agility of the vendor.
Must we face the thought that at some time in the distant future everyone will need to carry in their handbag or pocket one of the miniature calculators？
The writer is concerned about______.
A．budget housekeeping.
B．the retail trade.
C．computer skills.
D．mental arithmetic.
hi today's modem technological world, companies are data rich and information poor. The growing need to anticipate changing market conditions and customer preferences, develop intelligent business plans, and act proactively is fueled by the availability of critical information. And because so much of that essential information is locked away within ERP, CRM and other transaction-oriented systems, the need for data warehousing is more compelling than ever. Without the ability to move from data to information to knowledge to action, companies cannot stay competitive in today's modem and ever changing economy.
Early data warehousing efforts focused on separating the decision-support environment from operational transaction-processing systems. The ultimate goal was to create a centralized source of data for accurate, consistent reporting. The greatest cost of implementing data warehouses comes from the process of extracting, transforming and integrating data from source systems.
SECTION B PASSAGES
Directions: In this section, you will hear several passages. Listen to the passages carefully and then answer the questions that follow.
听力原文： There were several important discoveries in the early part of the century that helped geologists develop a more accurate picture of the earth's interior. The first key discovery had to do with seismic waves. Remember, they are the vibrations caused by earthquakes. Well, scientists found that they travel thousands of miles through the earth's interior. This finding enabled geologists to study the inner parts of the earth.
You see, these studies revealed that these vibrations were of two types: compression or P-waves and shear or S-waves. And researchers found that P-waves travel through both liquids and solids while S-waves travel only through solid matter. In 1906, a British geologist discovered that P-waves slowed down at a certain depth but kept traveling deeper. On the other hand, S-waves either disappeared or were reflected back. So he concluded that the depth marked the boundary between a solid mantle and the liquid core. Three years later, another boundary was discovered, that between the mantle and the earth's crust.
There are still a lot to be learned about the earth. For instance, geologists know that the core is hot. Evidence of this is the molten lava that flows out of volcanoes. But we are still not sure what the source of the heat is.
What is the purpose of the talk？
A．To review what students know about volcanic activity.
B．To demonstrate the use of a new measurement device.
C．To explain the answer to an examination question.
D．To provide background for the next reading assignment.
SECTION B PASSAGES
Directions: In this section, you will hear several passages. Listen to the passages carefully and then answer the questions that follow.
听力原文： During this century, archaeologists have discovered that the trees can be a valuable tool for measuring time. In scientific terms, this method is called dendrochronology. Dendrochronology is based on the scientific discovery that each year a tree grows a new layer of wood. When you cut down a tree, for example, you can see and count the layers of concentric circles. These circles will reveal a great deal of information. The layers vary in color and in thickness. These variations are a result of differing climate conditions from year to year that affect the growth of the annual rings. Cold weather, for example, creates thinner and lighter rings while hot weather produces thicker and darker rings. All trees that grow in the same region will have roughly the same pattern of annual rings, and this can be used as a source of comparison and measurement.
Early in this century, archaeologists began using the rings to date ruined structures and figures built in the southwestern United States. They did this by comparing the rings of the wood found in the ruins with the rings of recently cut trees. Slowly but surely, the system was extended backwards in time to measure older ruins. The heavy forestry of the United States, coupled with the relative youth. Of its history, led to a fairly uncomplicated study. Eventually, dendrochronology produced an accurate time and weather record for the American southwest that extended over 2,000 years.
What happens to trees each year？
A．Their rings get thinner and thinner.
B．They add a ring of wood.
C．Their rings get darker in color.
D．They become more valuable.
The problem of acid rain may be said to have originated with the Industrial Revolution, and it has been growing ever since. The severity of its effects has long been recognized in local settings, as exemplified by the spells of acid smog in heavily industrialized areas. The wide destructiveness of acid rain, however, has come to be realized only in recent decades. One large area that has been studied extensively is northern Europe, where acid rain has eroded structures, injured crops and forests, and threatened or depleted life in freshwater lakes. In 1983, for example, published reports indicated that 34 percent of the forested areas of West Germany had been damaged by acid rain. The northeastern U.S. and eastern Canada have also been affected by this form. of pollution, and other areas of the two countries are also showing increasing signs of damages, as are other regions of the world.
Industrial emissions have been blamed as the major cause of acid rain. Because the chemical reactions involved in the production of acid rain in the atmosphere are complex and as yet little understood, industries have tended to challenge such assessments and to stress the need for further studies; and because of the cost of pollution reduction, governments have tended to support this attitude. Studies released by the U.S. government in the early 1980s, however, strongly implicated industries as the main source of acid rain.
Serious-looking businessmen and women sit reading their newspapers or dozing in a comer; hardly anybody talks, since to do so would be considered quite (4)_____.
(5)_____, there is an unwritten but clearly understood code of behavior. which, once broken, makes the offender immediately the object of (6)_____.
It has been known as a fact that a British has a (7)_____ for the discussion of their weather and that, if given a chance, he will talk about it (8)_____.
Some people argue that it is because the British weather seldom (9)_____ forecast add hence becomes a source of interest and (10)_____ to everyone.
This may be so. (11)_____ a British cannot have much (12)_____ in the weathermen, who, after promising fine, sunny weather for the following day, are often proved wrong (13)_____ a cloud over the Atlantic brings rainy weather to all districts! The man in the street seems to be as accurate—or as inaccurate as the weathermen in his (14)_____.
Foreigners may be surprised at the number of references (15)_____ weather that the British (16)_____ to each other in the course of a single day. Very often conversational greetings are (17)_____ by comments on the weather. "Nice day, isn't it？" "Beautiful!" may well be heard, instead of "Good morning, how are you？" Although the foreigner may consider this exaggerated and comic, it is (18)_____ pointing out that it could be used to his advantage. If he wants to start a conversation with a British but is at a loss to know (19)_____ to begin, he could do well to mention the state of the weather. It is a safe subject which will (20)_____ an answer from even the most reserved of the British.
A．relaxed
B．frustrated
C．amused
D．exhausted
SECTION B PASSAGES
Directions: In this section, you will hear several passages. Listen to the passages carefully and then answer the questions that follow.
听力原文： There were several important discoveries in the early part of last century that helped geologists develop a more accurate picture of the earth's interior. The first key discovery had to do with seismic waves. Remember they are the vibrations caused by earthquakes. Well, scientists found that they travel thousands of miles through the earth's interior. This finding enabled geologists to study the inner parts of the earth. You see, the studies revealed that these vibrations were of two types: compression, or P waves, and shear, or S waves. And researchers found that P waves travel through both liquids and solids, while S waves travel only through solid matter. In 1906, a British geologist discovered that P waves slowed down at a certain depth but kept traveling deeper. On the other hand, S waves either disappeared or were reflected back. So he concluded that the depth marked the boundary between a solid mantle and a liquid core. Three years later, another boundary was discovered that was between the mantle and the earth's crust. There is still a lot to be learned about the earth. For instance, geologists know that the core is hot. Evidence of this is the molten lava that flows out of volcanoes. But we are still not sure what the source of the heat is.
What is the important discovery about seismic waves mentioned by the instructor？
A．They occur at regular intervals.
B．They can withstand great heat.
C．They travel through the Earth's interior.
D．They can record the Earth's internal temperature.
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