单项选择题

The U.S. isn"t the only country with an expanding waistline (腰围). A new study from the European Society of Cardiology predicts that rates of obesity will increase in almost all European countries by 2030. And Ireland comes in as the fattest country, with a 47% projected obesity rate for both men and women.
To be fair, everywhere people are expanding. The prevalence of obesity worldwide nearly doubled between 1980 and 2008, according to the World Health Organization (WHO. , and although the U.S. is still leading the pack with obesity at 34.9%, European countries aren"t lagging far behind with rates at roughly 23% for women and 20% for men.
Presented by Dr. Laura Webber at the EuroPRevent congress in Amsterdam, the study takes into account all available data on body mass index and obesity/overweight trends in the WHO"s 53 Euro-region countries.
In those countries the study revealed little evidence of any plateau (稳定期). Even as England"s rate of increase today is less steep than it has been historically, levels continue to rise and will be much higher in 2030 than they were in 1993.
Examining both overweight and obese rates combined, the numbers become even more shocking. The prevalence of overweight and obesity in males is set to reach 75% in the U.K. and 80% in the Czech Republic, Spain, and Poland. In Ireland, the projected rate is an enormous 90% for men and 84% for women.
Considering that"s almost everybody, Dr. Webber"s comment that these results may be underestimates is all the more concerning. She points to the poor data available from many countries contributing to less certain predictions. The study also does not take into account the significant increase in childhood weight and obesity issues across Europe, with one in three 11-year-olds overweight or obese, according to the WHO.
In accounting for differences in projected levels (the lowest found in Belgium at 44% and the Netherlands at 47%) the authors mention the potential effects of "economic positioning" and "type of market." Ireland and the U.K., where obesity rates are highest, have unregulated markets similar to the U.S. Giant food companies work collectively to maximize profit-encouraging over-consumption. In areas with more controlled market economies, like the Netherlands, Germany, Belgium, Sweden, and Finland, obesity levels are lower.
However, obesity is a complex disease. "The United Nations has called for a whole-of-society approach to preventing obesity and related diseases," Dr. Webber said. "Policies that reduce obesity are necessary to avoid premature mortality and prevent economic strain on already overburdened health systems. The WHO has put in place strategies that aim to guide countries towards reducing obesity through the promotion of physical activity and healthy diets."What can we infer from the study from the European Society of Cardiology

A.Ireland may exceed the U.S. to be the fattest country.
B.Europe will have a higher obesity rate than the U.S.
C.Obesity will grow fast only in developed countries.
D.Obesity will rise faster among men than among women.
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单项选择题

The U.S. isn"t the only country with an expanding waistline (腰围). A new study from the European Society of Cardiology predicts that rates of obesity will increase in almost all European countries by 2030. And Ireland comes in as the fattest country, with a 47% projected obesity rate for both men and women.
To be fair, everywhere people are expanding. The prevalence of obesity worldwide nearly doubled between 1980 and 2008, according to the World Health Organization (WHO. , and although the U.S. is still leading the pack with obesity at 34.9%, European countries aren"t lagging far behind with rates at roughly 23% for women and 20% for men.
Presented by Dr. Laura Webber at the EuroPRevent congress in Amsterdam, the study takes into account all available data on body mass index and obesity/overweight trends in the WHO"s 53 Euro-region countries.
In those countries the study revealed little evidence of any plateau (稳定期). Even as England"s rate of increase today is less steep than it has been historically, levels continue to rise and will be much higher in 2030 than they were in 1993.
Examining both overweight and obese rates combined, the numbers become even more shocking. The prevalence of overweight and obesity in males is set to reach 75% in the U.K. and 80% in the Czech Republic, Spain, and Poland. In Ireland, the projected rate is an enormous 90% for men and 84% for women.
Considering that"s almost everybody, Dr. Webber"s comment that these results may be underestimates is all the more concerning. She points to the poor data available from many countries contributing to less certain predictions. The study also does not take into account the significant increase in childhood weight and obesity issues across Europe, with one in three 11-year-olds overweight or obese, according to the WHO.
In accounting for differences in projected levels (the lowest found in Belgium at 44% and the Netherlands at 47%) the authors mention the potential effects of "economic positioning" and "type of market." Ireland and the U.K., where obesity rates are highest, have unregulated markets similar to the U.S. Giant food companies work collectively to maximize profit-encouraging over-consumption. In areas with more controlled market economies, like the Netherlands, Germany, Belgium, Sweden, and Finland, obesity levels are lower.
However, obesity is a complex disease. "The United Nations has called for a whole-of-society approach to preventing obesity and related diseases," Dr. Webber said. "Policies that reduce obesity are necessary to avoid premature mortality and prevent economic strain on already overburdened health systems. The WHO has put in place strategies that aim to guide countries towards reducing obesity through the promotion of physical activity and healthy diets."What can we infer from the study from the European Society of Cardiology

A.Ireland may exceed the U.S. to be the fattest country.
B.Europe will have a higher obesity rate than the U.S.
C.Obesity will grow fast only in developed countries.
D.Obesity will rise faster among men than among women.
单项选择题

The U.S. isn"t the only country with an expanding waistline (腰围). A new study from the European Society of Cardiology predicts that rates of obesity will increase in almost all European countries by 2030. And Ireland comes in as the fattest country, with a 47% projected obesity rate for both men and women.
To be fair, everywhere people are expanding. The prevalence of obesity worldwide nearly doubled between 1980 and 2008, according to the World Health Organization (WHO. , and although the U.S. is still leading the pack with obesity at 34.9%, European countries aren"t lagging far behind with rates at roughly 23% for women and 20% for men.
Presented by Dr. Laura Webber at the EuroPRevent congress in Amsterdam, the study takes into account all available data on body mass index and obesity/overweight trends in the WHO"s 53 Euro-region countries.
In those countries the study revealed little evidence of any plateau (稳定期). Even as England"s rate of increase today is less steep than it has been historically, levels continue to rise and will be much higher in 2030 than they were in 1993.
Examining both overweight and obese rates combined, the numbers become even more shocking. The prevalence of overweight and obesity in males is set to reach 75% in the U.K. and 80% in the Czech Republic, Spain, and Poland. In Ireland, the projected rate is an enormous 90% for men and 84% for women.
Considering that"s almost everybody, Dr. Webber"s comment that these results may be underestimates is all the more concerning. She points to the poor data available from many countries contributing to less certain predictions. The study also does not take into account the significant increase in childhood weight and obesity issues across Europe, with one in three 11-year-olds overweight or obese, according to the WHO.
In accounting for differences in projected levels (the lowest found in Belgium at 44% and the Netherlands at 47%) the authors mention the potential effects of "economic positioning" and "type of market." Ireland and the U.K., where obesity rates are highest, have unregulated markets similar to the U.S. Giant food companies work collectively to maximize profit-encouraging over-consumption. In areas with more controlled market economies, like the Netherlands, Germany, Belgium, Sweden, and Finland, obesity levels are lower.
However, obesity is a complex disease. "The United Nations has called for a whole-of-society approach to preventing obesity and related diseases," Dr. Webber said. "Policies that reduce obesity are necessary to avoid premature mortality and prevent economic strain on already overburdened health systems. The WHO has put in place strategies that aim to guide countries towards reducing obesity through the promotion of physical activity and healthy diets."What is the obesity/overweight trend in the U.K. likely to be

A.Its obesity rate will increase slower than its overweight rate.
B.It will have an obesity rate only next to Ireland.
C.Its obesity rate will increase slower than Finland"s.
D.Its obesity rate increases slower than in the past.
单项选择题

What if we could read the mind of a terrorist Researchers at Northwestern University in Chicago say they have taken a step closer to that reality with a test that could uncover evil plans by measuring brain waves.
In a study published in the journal Psychophysiology , psychologists John Meixner and Peter Rosenfeld used electrodes (电极) to measure the brain waves of 29 undergraduates who had been told to mock-plan either a terrorist bombing in Houston in July, or a vacation in a different city in a different month. The researchers then presented the students with the names of various cities, methods of terrorist attack and dates. As they did so, they scanned the subjects" brains with electroencephalography (脑电图). They watched for a particular brainwave—dubbed the P300, because it fires every 300 milliseconds—which signals recognition of something familiar.
"The P300"s amplitude (振幅) is very large when you see an object that is rare and personally meaningful to you," Meixner says. "So the amplitude of P300 was large when we presented the word "Houston", the city where the attack was planned. In total we were able to identify 10 out of 12 "terrorists"". The investigators also correctly matched 20 out of 30 crime-related details, such as types of explosives and specific sites and dates.
The P300"s potential as a method for confirming concealed information was first recognized in the 1980s. But while it has long been touted as a possible substitute for the polygraph test, it has yet not been used by law enforcement anywhere in the world. One of the reasons is that it becomes difficult to use if investigators do not know the information they are trying to confirm. For instance, in Meixner and Rosenfeld"s study, the researchers would have struggled had they not known that the city in which the attack was planned was Houston, since it would be only by luck or guesswork they would have included it in the sample list of names.
What"s more, the P300 is vulnerable to what scientists call "confounding factors". For instance, if the mock-terrorists in the study were raised in Houston, which was also the location of the attack, the researchers would not know for sure what was causing the P300 spike.
But Meixner and Rosenfeld say that despite these shortfalls, the technology holds more potential than the polygraph. The polygraph measures responses like respiration and sweating, which can certainly be triggered by a lie, but can also result from any high-stress situation—including the mere experience of being interrogated by a police officer. While there is nothing that can correct this problem with polygraphs, P3O0s can at least be made more accurate by increasing the number of details you show a suspect.What can we learn about the P300 from the research by John Meixner and Peter Rosenfeld

A.It is related to a person"s reaction to the stimulus.
B.It is widely used in polygraph tests.
C.It fires when an insignificant stimulus is given.
D.It is 100 percent accurate in the laboratory.
单项选择题

The U.S. isn"t the only country with an expanding waistline (腰围). A new study from the European Society of Cardiology predicts that rates of obesity will increase in almost all European countries by 2030. And Ireland comes in as the fattest country, with a 47% projected obesity rate for both men and women.
To be fair, everywhere people are expanding. The prevalence of obesity worldwide nearly doubled between 1980 and 2008, according to the World Health Organization (WHO. , and although the U.S. is still leading the pack with obesity at 34.9%, European countries aren"t lagging far behind with rates at roughly 23% for women and 20% for men.
Presented by Dr. Laura Webber at the EuroPRevent congress in Amsterdam, the study takes into account all available data on body mass index and obesity/overweight trends in the WHO"s 53 Euro-region countries.
In those countries the study revealed little evidence of any plateau (稳定期). Even as England"s rate of increase today is less steep than it has been historically, levels continue to rise and will be much higher in 2030 than they were in 1993.
Examining both overweight and obese rates combined, the numbers become even more shocking. The prevalence of overweight and obesity in males is set to reach 75% in the U.K. and 80% in the Czech Republic, Spain, and Poland. In Ireland, the projected rate is an enormous 90% for men and 84% for women.
Considering that"s almost everybody, Dr. Webber"s comment that these results may be underestimates is all the more concerning. She points to the poor data available from many countries contributing to less certain predictions. The study also does not take into account the significant increase in childhood weight and obesity issues across Europe, with one in three 11-year-olds overweight or obese, according to the WHO.
In accounting for differences in projected levels (the lowest found in Belgium at 44% and the Netherlands at 47%) the authors mention the potential effects of "economic positioning" and "type of market." Ireland and the U.K., where obesity rates are highest, have unregulated markets similar to the U.S. Giant food companies work collectively to maximize profit-encouraging over-consumption. In areas with more controlled market economies, like the Netherlands, Germany, Belgium, Sweden, and Finland, obesity levels are lower.
However, obesity is a complex disease. "The United Nations has called for a whole-of-society approach to preventing obesity and related diseases," Dr. Webber said. "Policies that reduce obesity are necessary to avoid premature mortality and prevent economic strain on already overburdened health systems. The WHO has put in place strategies that aim to guide countries towards reducing obesity through the promotion of physical activity and healthy diets."What does the author think about the findings of the study

A.Some predictions are unreliable due to the poor data.
B.The findings are alarming since the real situation may be worse.
C.Some predictions are shocking for differences in projected levels.
D.The findings are incomplete for the lack of data on children.
单项选择题

What if we could read the mind of a terrorist Researchers at Northwestern University in Chicago say they have taken a step closer to that reality with a test that could uncover evil plans by measuring brain waves.
In a study published in the journal Psychophysiology , psychologists John Meixner and Peter Rosenfeld used electrodes (电极) to measure the brain waves of 29 undergraduates who had been told to mock-plan either a terrorist bombing in Houston in July, or a vacation in a different city in a different month. The researchers then presented the students with the names of various cities, methods of terrorist attack and dates. As they did so, they scanned the subjects" brains with electroencephalography (脑电图). They watched for a particular brainwave—dubbed the P300, because it fires every 300 milliseconds—which signals recognition of something familiar.
"The P300"s amplitude (振幅) is very large when you see an object that is rare and personally meaningful to you," Meixner says. "So the amplitude of P300 was large when we presented the word "Houston", the city where the attack was planned. In total we were able to identify 10 out of 12 "terrorists"". The investigators also correctly matched 20 out of 30 crime-related details, such as types of explosives and specific sites and dates.
The P300"s potential as a method for confirming concealed information was first recognized in the 1980s. But while it has long been touted as a possible substitute for the polygraph test, it has yet not been used by law enforcement anywhere in the world. One of the reasons is that it becomes difficult to use if investigators do not know the information they are trying to confirm. For instance, in Meixner and Rosenfeld"s study, the researchers would have struggled had they not known that the city in which the attack was planned was Houston, since it would be only by luck or guesswork they would have included it in the sample list of names.
What"s more, the P300 is vulnerable to what scientists call "confounding factors". For instance, if the mock-terrorists in the study were raised in Houston, which was also the location of the attack, the researchers would not know for sure what was causing the P300 spike.
But Meixner and Rosenfeld say that despite these shortfalls, the technology holds more potential than the polygraph. The polygraph measures responses like respiration and sweating, which can certainly be triggered by a lie, but can also result from any high-stress situation—including the mere experience of being interrogated by a police officer. While there is nothing that can correct this problem with polygraphs, P3O0s can at least be made more accurate by increasing the number of details you show a suspect.Why has the P300 not been used by law enforcement in even one country

A.Because it has not proved to be a reliable way of getting information.
B.Because information to be confirmed should be exact.
C.Because suspects" relatives need to be involved in the process.
D.Because the technology is too sophisticated to be put into practice.
单项选择题

The U.S. isn"t the only country with an expanding waistline (腰围). A new study from the European Society of Cardiology predicts that rates of obesity will increase in almost all European countries by 2030. And Ireland comes in as the fattest country, with a 47% projected obesity rate for both men and women.
To be fair, everywhere people are expanding. The prevalence of obesity worldwide nearly doubled between 1980 and 2008, according to the World Health Organization (WHO. , and although the U.S. is still leading the pack with obesity at 34.9%, European countries aren"t lagging far behind with rates at roughly 23% for women and 20% for men.
Presented by Dr. Laura Webber at the EuroPRevent congress in Amsterdam, the study takes into account all available data on body mass index and obesity/overweight trends in the WHO"s 53 Euro-region countries.
In those countries the study revealed little evidence of any plateau (稳定期). Even as England"s rate of increase today is less steep than it has been historically, levels continue to rise and will be much higher in 2030 than they were in 1993.
Examining both overweight and obese rates combined, the numbers become even more shocking. The prevalence of overweight and obesity in males is set to reach 75% in the U.K. and 80% in the Czech Republic, Spain, and Poland. In Ireland, the projected rate is an enormous 90% for men and 84% for women.
Considering that"s almost everybody, Dr. Webber"s comment that these results may be underestimates is all the more concerning. She points to the poor data available from many countries contributing to less certain predictions. The study also does not take into account the significant increase in childhood weight and obesity issues across Europe, with one in three 11-year-olds overweight or obese, according to the WHO.
In accounting for differences in projected levels (the lowest found in Belgium at 44% and the Netherlands at 47%) the authors mention the potential effects of "economic positioning" and "type of market." Ireland and the U.K., where obesity rates are highest, have unregulated markets similar to the U.S. Giant food companies work collectively to maximize profit-encouraging over-consumption. In areas with more controlled market economies, like the Netherlands, Germany, Belgium, Sweden, and Finland, obesity levels are lower.
However, obesity is a complex disease. "The United Nations has called for a whole-of-society approach to preventing obesity and related diseases," Dr. Webber said. "Policies that reduce obesity are necessary to avoid premature mortality and prevent economic strain on already overburdened health systems. The WHO has put in place strategies that aim to guide countries towards reducing obesity through the promotion of physical activity and healthy diets."What is one possible reason for the obesity problem in some countries

A.The foods produced by food companies are unhealthy.
B.Governments fail to encourage more physical exercise.
C.The market behaviors of food companies are poorly regulated.
D.People are unaware of the potential effects of obesity.
单项选择题

What if we could read the mind of a terrorist Researchers at Northwestern University in Chicago say they have taken a step closer to that reality with a test that could uncover evil plans by measuring brain waves.
In a study published in the journal Psychophysiology , psychologists John Meixner and Peter Rosenfeld used electrodes (电极) to measure the brain waves of 29 undergraduates who had been told to mock-plan either a terrorist bombing in Houston in July, or a vacation in a different city in a different month. The researchers then presented the students with the names of various cities, methods of terrorist attack and dates. As they did so, they scanned the subjects" brains with electroencephalography (脑电图). They watched for a particular brainwave—dubbed the P300, because it fires every 300 milliseconds—which signals recognition of something familiar.
"The P300"s amplitude (振幅) is very large when you see an object that is rare and personally meaningful to you," Meixner says. "So the amplitude of P300 was large when we presented the word "Houston", the city where the attack was planned. In total we were able to identify 10 out of 12 "terrorists"". The investigators also correctly matched 20 out of 30 crime-related details, such as types of explosives and specific sites and dates.
The P300"s potential as a method for confirming concealed information was first recognized in the 1980s. But while it has long been touted as a possible substitute for the polygraph test, it has yet not been used by law enforcement anywhere in the world. One of the reasons is that it becomes difficult to use if investigators do not know the information they are trying to confirm. For instance, in Meixner and Rosenfeld"s study, the researchers would have struggled had they not known that the city in which the attack was planned was Houston, since it would be only by luck or guesswork they would have included it in the sample list of names.
What"s more, the P300 is vulnerable to what scientists call "confounding factors". For instance, if the mock-terrorists in the study were raised in Houston, which was also the location of the attack, the researchers would not know for sure what was causing the P300 spike.
But Meixner and Rosenfeld say that despite these shortfalls, the technology holds more potential than the polygraph. The polygraph measures responses like respiration and sweating, which can certainly be triggered by a lie, but can also result from any high-stress situation—including the mere experience of being interrogated by a police officer. While there is nothing that can correct this problem with polygraphs, P3O0s can at least be made more accurate by increasing the number of details you show a suspect.The limitation of the P300"s "confounding factors" is likely to ______

A.help uncover the truth
B.present details of a study
C.offer concealed information
D.affect the results of a study
单项选择题

The U.S. isn"t the only country with an expanding waistline (腰围). A new study from the European Society of Cardiology predicts that rates of obesity will increase in almost all European countries by 2030. And Ireland comes in as the fattest country, with a 47% projected obesity rate for both men and women.
To be fair, everywhere people are expanding. The prevalence of obesity worldwide nearly doubled between 1980 and 2008, according to the World Health Organization (WHO. , and although the U.S. is still leading the pack with obesity at 34.9%, European countries aren"t lagging far behind with rates at roughly 23% for women and 20% for men.
Presented by Dr. Laura Webber at the EuroPRevent congress in Amsterdam, the study takes into account all available data on body mass index and obesity/overweight trends in the WHO"s 53 Euro-region countries.
In those countries the study revealed little evidence of any plateau (稳定期). Even as England"s rate of increase today is less steep than it has been historically, levels continue to rise and will be much higher in 2030 than they were in 1993.
Examining both overweight and obese rates combined, the numbers become even more shocking. The prevalence of overweight and obesity in males is set to reach 75% in the U.K. and 80% in the Czech Republic, Spain, and Poland. In Ireland, the projected rate is an enormous 90% for men and 84% for women.
Considering that"s almost everybody, Dr. Webber"s comment that these results may be underestimates is all the more concerning. She points to the poor data available from many countries contributing to less certain predictions. The study also does not take into account the significant increase in childhood weight and obesity issues across Europe, with one in three 11-year-olds overweight or obese, according to the WHO.
In accounting for differences in projected levels (the lowest found in Belgium at 44% and the Netherlands at 47%) the authors mention the potential effects of "economic positioning" and "type of market." Ireland and the U.K., where obesity rates are highest, have unregulated markets similar to the U.S. Giant food companies work collectively to maximize profit-encouraging over-consumption. In areas with more controlled market economies, like the Netherlands, Germany, Belgium, Sweden, and Finland, obesity levels are lower.
However, obesity is a complex disease. "The United Nations has called for a whole-of-society approach to preventing obesity and related diseases," Dr. Webber said. "Policies that reduce obesity are necessary to avoid premature mortality and prevent economic strain on already overburdened health systems. The WHO has put in place strategies that aim to guide countries towards reducing obesity through the promotion of physical activity and healthy diets."What can be the best solution to the obesity problem

A.Make necessary policies.
B.Rely on the WHO"s strategies.
C.Have a healthy diet.
D.Exert all possible efforts.
单项选择题

What if we could read the mind of a terrorist Researchers at Northwestern University in Chicago say they have taken a step closer to that reality with a test that could uncover evil plans by measuring brain waves.
In a study published in the journal Psychophysiology , psychologists John Meixner and Peter Rosenfeld used electrodes (电极) to measure the brain waves of 29 undergraduates who had been told to mock-plan either a terrorist bombing in Houston in July, or a vacation in a different city in a different month. The researchers then presented the students with the names of various cities, methods of terrorist attack and dates. As they did so, they scanned the subjects" brains with electroencephalography (脑电图). They watched for a particular brainwave—dubbed the P300, because it fires every 300 milliseconds—which signals recognition of something familiar.
"The P300"s amplitude (振幅) is very large when you see an object that is rare and personally meaningful to you," Meixner says. "So the amplitude of P300 was large when we presented the word "Houston", the city where the attack was planned. In total we were able to identify 10 out of 12 "terrorists"". The investigators also correctly matched 20 out of 30 crime-related details, such as types of explosives and specific sites and dates.
The P300"s potential as a method for confirming concealed information was first recognized in the 1980s. But while it has long been touted as a possible substitute for the polygraph test, it has yet not been used by law enforcement anywhere in the world. One of the reasons is that it becomes difficult to use if investigators do not know the information they are trying to confirm. For instance, in Meixner and Rosenfeld"s study, the researchers would have struggled had they not known that the city in which the attack was planned was Houston, since it would be only by luck or guesswork they would have included it in the sample list of names.
What"s more, the P300 is vulnerable to what scientists call "confounding factors". For instance, if the mock-terrorists in the study were raised in Houston, which was also the location of the attack, the researchers would not know for sure what was causing the P300 spike.
But Meixner and Rosenfeld say that despite these shortfalls, the technology holds more potential than the polygraph. The polygraph measures responses like respiration and sweating, which can certainly be triggered by a lie, but can also result from any high-stress situation—including the mere experience of being interrogated by a police officer. While there is nothing that can correct this problem with polygraphs, P3O0s can at least be made more accurate by increasing the number of details you show a suspect.How can the P300 be made more accurate

A.By measuring responses like respiration and sweating.
B.By triggering a lie or getting rid of any high-stress situation.
C.By eliminating the interrogation of the police.
D.By presenting more details to a suspect.
单项选择题

What if we could read the mind of a terrorist Researchers at Northwestern University in Chicago say they have taken a step closer to that reality with a test that could uncover evil plans by measuring brain waves.
In a study published in the journal Psychophysiology , psychologists John Meixner and Peter Rosenfeld used electrodes (电极) to measure the brain waves of 29 undergraduates who had been told to mock-plan either a terrorist bombing in Houston in July, or a vacation in a different city in a different month. The researchers then presented the students with the names of various cities, methods of terrorist attack and dates. As they did so, they scanned the subjects" brains with electroencephalography (脑电图). They watched for a particular brainwave—dubbed the P300, because it fires every 300 milliseconds—which signals recognition of something familiar.
"The P300"s amplitude (振幅) is very large when you see an object that is rare and personally meaningful to you," Meixner says. "So the amplitude of P300 was large when we presented the word "Houston", the city where the attack was planned. In total we were able to identify 10 out of 12 "terrorists"". The investigators also correctly matched 20 out of 30 crime-related details, such as types of explosives and specific sites and dates.
The P300"s potential as a method for confirming concealed information was first recognized in the 1980s. But while it has long been touted as a possible substitute for the polygraph test, it has yet not been used by law enforcement anywhere in the world. One of the reasons is that it becomes difficult to use if investigators do not know the information they are trying to confirm. For instance, in Meixner and Rosenfeld"s study, the researchers would have struggled had they not known that the city in which the attack was planned was Houston, since it would be only by luck or guesswork they would have included it in the sample list of names.
What"s more, the P300 is vulnerable to what scientists call "confounding factors". For instance, if the mock-terrorists in the study were raised in Houston, which was also the location of the attack, the researchers would not know for sure what was causing the P300 spike.
But Meixner and Rosenfeld say that despite these shortfalls, the technology holds more potential than the polygraph. The polygraph measures responses like respiration and sweating, which can certainly be triggered by a lie, but can also result from any high-stress situation—including the mere experience of being interrogated by a police officer. While there is nothing that can correct this problem with polygraphs, P3O0s can at least be made more accurate by increasing the number of details you show a suspect.What would be the best title for the passage

A.Advantages of the P300 Over a Polygraph Test
B.Application of the P300 in Anti-terrorism
C.Fighting Crime by Reading Minds
D.Merits and Demerits of the P300
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