How did researchers know that ancient Greeks rushed to watch the Olympics？
A．Thousands of people came to watch.
B．The main stadium is still not big enough.
C．They have found the related record of events.
D．Many of them were visitors and pilgrims.
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更多“How did researchers know that …”相关的问题
第1题
C
As Internet users become more dependent on the Internet to store information， are people remember less？ If you know your computer will save information， why store it in your own personal memory， your brain？ Experts are wondering if the Internet is changing what we remember and how.
In a recent study， Professor Betsy Sparrow conducted some experiments. She and her research team wanted to know the Internet is changing memory. In the first experiment， they gave people 40 unimportant facts to type into a computer. The first group of people understood that the computer would save the information. The second group understood that the computer would not save it. Later， the second group remembered the information better. People in the first group knew they could find the information again， so they did not try to remember it.
In another experiment， the researchers gave people facts to remember， and told them where to find the information on the Internet. The information was in a specific computer folder （文件夹）. Surprisingly， people later remember the folder location （位置） better than the facts. When people use the Internet， they do not remember the information. Rather， they remember how to find it. This is called "transactive memory （交互记忆）"
According to Sparrow， we are not becoming people with poor memories as a result of the Internet. Instead， computer users are developing stronger transactive memories； that is， people are learning how to organize huge quantities of information so that they are able to access it at a later date. This doesn‘t mean we are becoming either more or less intelligent， but there is no doubt that the way we use memory is changing.
根据材料回答64-67题。 The passage begins with two questions to ______.
A.introduce the main topic
B.show the author"s altitude
C.describe how to use the Interne.
D.explain how to store information
第2题
They said obese(肥胖的)employees had higher health-care costs，but lowered those expenses by exercising just a couple of times a week-without even losing any weight.
Feifei Wang and colleagues at the University of Michigan studied 23，500 workers at General Motors.
They estimated that getting the most sedentary(惯于久坐的)obese workers to exercise would have saved about$790，000 a year，or about 1.5 percent of health—care costs for the whole group.Company—wide.the potential savings could reach$7 1 million per year，they reported in the Journal of Occupational and Environmental Medicine
Of the whole group of workers.about 30 percent were of normal weight，45 percent were overweight(超重的)，and 25 percent were obese.Annual health-care costs averaged$2，200 for normal weight，$2，400 for the overweight，and$2，700 for obese employees.
But among workers who did no exercise，health—care costs went up by at least$100 a year，and were$3.000
But adding two or more days of light exercise——at least 20 minutes of exercise or work hard enough to increase heart rate and breathing——lowered costs by on average$500 per employee a year，the researchers found.
“This indicates that physical activity behavior. could reduce at least some of the harmful effects of excess body fat，and in consequence，help lower the health-care costs，”Wang and colleagues wrote.
第11题：How can employees help lower the health-care costs？
A．By taking more rest．
B．By eating less．
C．By exercising a little bit．
D．By saving more money．
第3题
Dr Steven Brown, from McMaster University in Canada, said, "It looks like when you are acting, you are suppressing (压制) yourself; almost like the character is possessing you." Brown and colleagues report how 15 actors, mainly theatre students, were trained to take on a Shakespeare role — either Romeo or Juliet — in a theatre workshop. They were then invited into the laboratory, where their brains were scanned in a series of experiments. Once inside the MRI scanner, the actors were asked to answer a number of questions, such as: would they go to the party？ And would they tell their parents that they had fallen in love？ Each actor was asked to respond to different questions, based on two different premises (前提). In one, they were asked for their own perspective, while in the other, they were asked to respond as though they were either Romeo or Juliet.
The results revealed that the brain activity differed depending on the situation being tested. The team found that when the actors were in character, they use some third-person knowledge or inferences about their character. The team said they also found additional reduction in activity in two regions of the prefrontal cortex (前额皮质) linked to the sense of self, compared with when the actors were responding as themselves.
However, Philip Davis, a professor at the University of Liverpool, was unimpressed by the research, saying acting is about far more than "pretending" to be someone — it involves embodying (体现) the text and language.
1.How did Dr Brown's team conduct their research？（）
A.By scanning the brain activity of some actors
B.By doing a survey with some theatre goers
C.By interviewing some theatre teachers
D.By consulting some experienced researchers
2. Which of the following is Not True according to the research？（）
A. When actors are acting, they are suppressing themselves
B. The subjects (实验的研究对象)were all theatre students
C. The subjects’ brains were scanned in a series of experiments
D. The subjects’ brain activity differed depending on the situation being tested
E. The subjects were asked different questions
3.What is the finding of Dr Brown's research？（）
A.Acting is not as mysterious as people think
B.Actors' brain activity differs when they are acting
C.Acting is far more than pretending to be the character
D.Actors' brain activity is more active when they are in character
4.How did Philip Davis react to the research？（）
A.He supported it
B.He doubted it
C.He explained it
D.He advocated it
5.What is the text mainly about？（）
A.A debate of how the brain functions
B.A play written by Shakespeare
C.A research on the brain activity of actors
D.A report of the cooperation of scientists and actors
第4题
A.A.motivated
B.B.activated
C.C.illuminated
D.D.integrated
第5题
根据下列文章,请回答 41～45 题。
Exercise Lowers Employers Health Costs
Companies can save millions in health-care costs simply by encouraging their employees to exercise a little bit，researchers reported on Friday．
They said obese(肥胖的)employees had higher health—care costs，but lowered those expenses by exercising just a couple of times a week—without even losing any weight．
Feifei Wang and colleagues at the University of Michigan studied 23，500 workers al General Motors．
They estimated that getting the most sedentary(惯于久坐的)obese workers to exercise would have saved about$790，000 a year．or about 1.5 percent of health’s—care costs for the whole group．
Company—wide。the potential savings could reach$7.1 million per year，they reported in the Journal of Occupational and Environmental Medicine．
Of the whole group of W0水ere。about 30 percent were of normal weight，45 percent were overweight(超重的)。and 25 percent were obese．Annual health cares costs averaged$2，200 for normal weight，$2，400 for the overweight，and$2。700 for obese employees。
But among Workers who did no exercise，health—care costs went up by at least$1 00 a year。and were$3，000 a year for obese employees who were sedentary．
But adding two or more days of light exercise-at least 20 minutes of exercise or work hard enough to increase heart rate and breathing-lowered costs by on average $500 per employee a year，the researchers found．
第 41 题 How can employees help lower the health-care costs？
A．By taking more rest．
B．By eating less．
C．By exercising a little bit．
D．By saving more money
第6题
Scientists have defined a new age concept and believe it could explain why populations are aging, but at the same time seem to be getting younger.
Instead of measuring aging by how long people have lived, the scientists have factored in how many more years people can probably still look forward to.
"Using that measure, the average person can get younger in the sense that he or she can have even more years to live as time goes on," said Warren Sanderson of the University of New York in Stony Brook.
He and Sergei Scherbov of the Vienna lnstitute of Demography (人口统计学) at the Austrian (奥地利的) Academy of Sciences, have used their method to estimate how the proportion of elderly people in Germany, Japan and the United States will change in the future.
The average German was 39.9 years old in 2000 and could plan to live for another 39.2 years, according to research reported in the journal Nature on Wednesday.
However, by 2050 the average German will be 51.9 years old and will be expected to live another 37.1 years. So middle age in 2050 would occur at around 52 years instead of 40 years as in 2000.
"As people have more and more years to live they have to save more and plan more and they effectively are behaving as if they were younger," said Sanderson.
Five years ago, the average American was 35.3 years old and could plan for 43.5 more years of life. By 2050, the researchers estimate it will increase to 41.7 years and 45.8 future years.
"A lot of our ski/Is, our education, our savings and the way we dear with our health care depend a great deal on how many years we have to live," said Sanderson.
This dimension of how many years people have to live has been completely ignored in the discussion of aging so far.
第36题：People 40 years of age today seem to be as young as
A．their parents were at the same age.
B．their parents were at the age of 30.
C．their children will be at the same age.
D．their children will be at the age of 30.
第7题
A.turn out
B.figure out
C.pick out
D.sell out
第8题
第9题
The researchers checked how well the test subjects’ insulin worked by measuring
A．the blood sugar level in their bodies.
B．the length of time they could cycle in one breath.
C．the amount of sugar their muscles could make use of.
D．the amount of insulin they took.
第10题
A.One
B.Two
C.Three
D.Four
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