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更多“9. Changes in Methods of Traff…”相关的问题
Which of the following is true about the persistence method？
A．The method will work well if weather conditions change greatly from day to day.
B．It is the simplest and the best way of producing a forecast.
C．It is impossible to use the method because weather condition changes constantly.
D．The root of the frequent failure of the method is the assumption on which it is based.
According to this passage, what is exactly GDP？
A．It's a new method to measure a country's production.
B．It's a way to study the economies of different countries.
C．It's a new system to help make economic decisions.
D．It's a means to understand a country's economic changes.
Relaxation
During a state of deep relaxation, several physiological changes take place in the body: the body's oxygen consumption is reduced; the heart heat decreases; muscle tension and sweating ease, and there is decreased sympathetic(交感的) nervous system activity. This restful state not only allows the body to repair and restore itself, but it has a calming effect on the consciousness.
How to achieve this state of relaxation, however, is a matter of opinion, and in some medical circles, a matter of controversy(争论). A recent report by Dr. David Holmes of the University of Kansas in the journal "American Psychologist" said that simply sitting in an armchair has just as many beneficial characteristics for the body as meditation(冥想) does. Researchers of other relaxation techniques disagree. These experts believe that more structured techniques, such as meditation, lead to a condition of deep relaxation.
The debate goes on, but one thing appears to be clear that the relaxation response can be reached by a number of methods, and the methods themselves are not as important as getting there. One day, one method may work best; on another day, an alternative method may be more appropriate. Once you are aware of all the methods, you can find the one that works best for you.
Some of the relaxation techniques are meditation, autoanalysis (自我心理分析) and progressive muscle relaxation. Although these techniques may not, in the end, produce more of a relaxation response than just sitting quietly in a chair, they have the added benefit of structure and discipline, and for these reasons appear to be more effective for most individuals.
According to the passage, which of the following statements is NOT true when a person is in a state of deep relaxation？
A．The body takes in less oxygen.
B．The heart beats less frequently.
C．Muscles become tense and the body sweats easily.
D．The consciousness becomes more or less calmed.
Answer ONE of the questions 2, 3, or 4 below.
1. &8226;You have just completed a six-week period working at a different branch of your company. The head of department you normally work for has asked you to prepare a report evaluating the usefulness of the experience.
&8226;Write the report, including the following information:
&8226;what your duties involved
&8226;the benefits and drawbacks of the experience
&8226;advice for colleagues preparing for a similar experience.
&8226;Write 200-250 words on a separate sheet.
2. &8226;The Human Resources Director of the company you work for is keen to improve the way in which the company recruits new staff, and has asked you to propose an improvement.
&8226;Write a proposal for the Director, including the following information:
&8226;the problems caused by the current system of recruitment
&8226;your idea for a new method
&8226;the likely benefits of the new method
&8226;any possible disadvantages of the new method.
&8226;Write 200-250 words on a separate sheet.
3. &8226;The company you work for is currently investing heavily in systems to 'improve the quality of its products.
&8226;Write a letter to your key customers explaining:
&8226;why this decision has been taken
&8226;what changes will be made within your company
&8226;how customers will benefit from these changes.
&8226;Write 200-250 words on a separate sheet.
听力原文： No major changes in writing materials were to come for about 3,000 years. The person credited with inventing paper is a Chinese man named Ts'ai Lun. He took the inner bark of a mulberry tree and bamboo fibers, mixed them with water, and pounded them with a wooden tool. He then poured this mixture onto a flat piece of coarsely woven cloth and let the water drain through, leaving only the fibers on the cloth. Once dry, Ts'ai Lun discovered that he had created a quality writing surface that was relatively easy to make and lightweight. This knowledge of papermaking was used in China before word was passed along to Korea, Samarkand, Baghdad, and Damascus.
By the 10th century, Arabians were substituting linen fibers for wood and bamboo, creating a finer sheet of paper. Although paper was of fairly high quality now, the only way to produce written work was by hand, a painstaking process.
By the 12th century, papermaking reached Europe. In 1448, Johannes Gutenberg, a German, was credited with inventing the printing press.(It is believed that moveable type was actually invented hundreds of years earlier in Asia.) Books and other important documents could now be reproduced quickly. This method of printing in large quantities led to a rapid increase in the demand for paper.
(30)
A．To obtain its fibers.
B．To drain the water.
C．To make paper white.
D．To measure the size of paper.
New Technique Promises Earlier Cancer Detection
A new technique could revolutionize the early detection of cancer, giving sufferers a greater chance of beating the disease, American scientists said. Researchers at the Massachusetts Institute of Technology have devised a novel method of(51)changes in the nucleus of cells in the earliest stages of the disease. "More than 85 percent of all cancers originate in the epithelium (上皮) that lines the internal surfaces of organs(52)the body. Although these are treatable(53)they are diagnosed in one of the preventable stages, early body damages are almost(54)to detect," said scientist Feld. "We present a new optical-probe (光学探子) technique based on light-scattering spectroscopy (分光镜检查) that is able(55)detect pre-cancerous and early cancerous cells in cell-rich epithelia," he added in a statement.
The new technique relies on the fact(56)cell nuclei change in the early stages of cancer and the differences scatter light in a characteristic way. Until now the changes were only detectable(57)a biopsy (活检) was taken, the scientists said. The new technique,(58)in the science journal Nature, can be used in conjunction with a routine cancer screening and surveillance technique which uses an endoscope (内窥镜)--a flexible optical probe(59)with cameras which is inserted into a cavity in the body--to check(60)cancers.
The scientists said they(61)their new technique in four different organs during routine endoscopic cancer screening. The tip of the optical probe was brought into contact with the tissue to be tested and the scattering of light was recorded without the need for any tissue to be(62), the scientists said. "Our results show that light-scattering spectroscopy has the potential to detect pre-cancerous body damages and pre-invasive cancers throughout the body. This technique should(63)improve the efficiency of cancer screening and surveillance," the scientists said. Cancer is one of the biggest(64)in industrialized countries.(65)to figures from the World Health Organization, 10 million people were diagnosed with the disease worldwide in 1997 and six million died.
A．stopping
B．accelerating
C．detecting
D．delaying
根据材料请回答 51～65 题
New Technique Promises Earlier Cancer Detection
A new technique could revolutionize the early detection of cancer, giving sufferers a greater chance of beating the disease, American scientists said.Researchers at the Massa-chusetts Institute of Technology have devised a novel method of 51 changes in the nucle-us of cells in the earliest states of the disease."More than 85 percent of all cancers origi-nate in the epithelium (上皮) that lines the internal surfaces of organs 52 the body.Al-though these are treatable 53 they are diagnosed in one of the preventable stages, early body damages are almost 54 to detect," said scientist Feld."We present a new optical-probe (光学探子) technique based on light-scattering spectroscopy (分光镜检查) that is a-ble 55 detect pre-cancerous and early cancerous cells in cell-rich epithelia," he added in a statement.
The new technique relies on the fact 56 cell nuclei change in the early stages of can-cer and the differences scatter light in a characteristic way.Until now the changes were only de-tectable 57 a biopsy (活检) was taken, the scientists said.The new technique, 58 in the Sd-ence journal Nature , can be used in conjunction with a routine cancer screening and surveil-lance technique which uses an endoscope (内窥镜)——a flexible optical probe 59 with cam-eras which is inserted into a cavity(空腔)in the body——to check 60 cancers.
The scientists said they 61 their new technique in four different organs during rou-tine endoscopic cancer screening.The tip of the optical probe was brought into contact with the tissue to be tested and the scattering of light was recorded without the need for any tissue to be 62 , the scientists said."Our results show that light-scattering spectros-copy has the potential to detect pre-cancerous body damages and pre-invasive cancers throughout the body.This technique should 63 improve the efficiency of cancer screening and surveillance," the scientists said.Cancer is one of the biggest 64 in industrialized countries. 65 to figures from the World Health Organization, 10 million people were di-agnosed with the disease worldwide in 1997 and six million died.
第 51 题
A．stopping
B．accelerating
C．delaying
D．detecting
The Royal Swedish Academy of Sciences awarded the Nobel Prize in economics to three Americans,Eugene Fama,Lars Peter Hansen and Robert Shiller on Oct.14,2013.Eugene Fama and Lars Peter Hansen are both professors at the University of Chicago.Robert Shiller is a professor at Yale University.They will share the prize worth about 1.2 million dollars.
"This year's prize in economic sciences is about predictions." All three of this year's prize winners are mainly known for their research and explanations of pricing forces in financial markets.They have had a big influence on the way people look at and talk about financial markets.
Eugene Fama's research on financial markets in the 1960s led market watchers to change their ideas about investing.His ideas are linked to the theory that markets are efficient,which means market actors taking all available information to create the correct price for things at any given time.This also means that over short periods of time,it is not possible to predict prices.
Robert Shiller found,however,that over long periods,the opposite is true.It is possible to predict the movement of prices and that price changes are linked to human behavior.
The findings of both economists have led to the growth of index funds,investing many different securities as a way to reduce risk.Mr Shiller also helped to create the Standard & Poor's Case-Shiller home prices index.That index follows home prices across the United States.
Lars Peter Hansen developed a method for studying historical pricing information.His method supports Mr Shiller's findings and has influenced efforts to predict prices in the financial industry.
The Nobel Prize in economics was not created by Alfred Nobel,but was established in his memory by Sweden's central bank in 1968.
1.The Royal Swedish Academy of Sciences awarded the Nobel Prize in electronics to three Americans on Oct.14,2013.
2.Eugene Fama,Lars Peter Hansen and Robert Shiller won the prize for their research and explanations of pricing forces in financial markets.
3.Eugene Fama's research on financial markets in the 1960s resulted in some change in how market watchers look at investing.
4.The findings of both economists have led to the growth of price prediction,investing many different securities as a way to reduce risk.
5.The Nobel Prize in economics was established in memory of Alfred Nobel by Sweden's central bank in 1968.
Biological Identification Technologies
When a person walks．the movement of his head，trunk，hipbones and limbs are all reflected in changes in his body．A computer （1）these changes into a database．Later，the computers can （2）identifv him according to these changes．This is a new hiological identification method and it can quiekly identify an examinee （3）disturbing him．It’s especially suitable for use in airports and supermarkets．
Everybody’s voice is （4）．When a person’s voice is recorded by an instrument，its voice frequencY spectrum is called his sound print．Like a fingerprint，everybody’s sound print is different．How can computers （5）his sound？ First，his voice is recorded，which allows the computers to become familiar with his voice．It will then turn his sound characteristics into a （6）of digits．These digits represent the frequency，pitch and rhythni of the person’s voice. These are the （7）on which the computers can distinguish 1 his voice from （8）．
When that person needs to be identified．after he says only one word or two，the computers can identify him．The computers can even identifv sounds coming （9）the wires．This will provide a （10）guarantee to electric banks and electric purchases．
We often bring ID cards2，work cards，or driver licenses with us to prove our identity．If all these cards are forgotten or lost，how can we prove （11）we are？ In fact，it’s not difficult to prove whom you are，because your body （12）has identifying markers．Some are physiological features，such as fingerprints，sounds，facial types and eye color．The computer can help t0 identify you．Suppose your features have already been stored in the database3．To identify you，we have to take your picture with a camera and send it to a computer for （13）．First，the computer needs to reposition this picture according to the position of your eye4，and then starts to read the message of your physiological features such as the （14）0f your pupil5 to the whites of your eyes6 and the shape of his nose．Next，it seeks matching records from the database．Finally，it makes a （15）．
第 51 题
A．checks
B．stores
C．revises
D．modifies
