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阅读下面短文，从短文后各题所给的四个选项（A、B、C和D）中，选出可以填入的空白处的最佳选项，并从答题卡上将该选项涂黑。
You have waited 45 minutes for the valuable 10 minutes’ break between classes. But when the bell for the next class rings, you can’t 36 how quickly time has passed.
If you are familiar with this 37 , you’ll know how time flies when you are having fun-and 38 when you are bored. Now scientists have 39 a reason why this is the case.
Scans have shown that patterns of activity in the brain 40 according to how we focus on a task. When we are 41 , we concentrate more on how time is passing. And this makes our brains 42 the clock is ticking more slowly.
In an experiment 43 by a French laboratory, 12 volunteers watched an image 44
researchers monitored their brain activity.
The volunteers were told to 45 concentrate on how long an image appeared for, then
46 the color of the image, and thirdly, study both duration and color. The results showed that 47 was more active when the volunteers paid 48 subjects.
It is thought that if the brain is 49 focusing on many aspects of a task, it has to 50 its resources, and pays less attention to the clock. 51 , time passes without us really 52 it, and seems to go quickly. If the brain is not so active, it concentrates its 53 energies on monitoring the passing of time. 54 , time seems to drag.
Next time you feel bored 55 , perhaps you should pay more attention to what the teacher is saying!
A．guess B．learn C．believe D．doubt
A．view B．point C．scene D．experience
A．drags B．stops C．backs D．gains
A．thought over B．made up C．suggested D．come up with
A．change B．develop C．grow D．slow
A．sleepy B．bored C．excited D．active
A．report B．think C．decide D．see
A．produced B．carried C．tried D．performed
A．so B．when C．while D．but
A．partly B．quickly C．how D．first
A．remember B．focus on C．forget D．tell apart
A．the researchers B．the experiment C．the clock D．the brain
A．much attention to B．more attention to
C．attention to many D．attention to more
A．busy B．likely C．ready D．sure
A．focus B．gather C．reach D．spread
A．However B．Furthermore C．Therefore D．Finally
A．recognizing B．watching C．noticing D．counting
A．enough B．full C．right D．proper
A．In fact B．As a result C．For example D．Instead
A．in class B．with work C．in mind D．of lessons
查看习题详情和答案>>An ageing society is one in which the population of people over the age of 60 is increasing. The global
population at present is about 6 billion with l person in every 10 aged 60 or above. 1._____ This will mean
that for the first time in human history the population of older persons will be larger than the population of
children! What are the causes of this population change?
2._____ And another is that birth rates have dropped as people, especially women, are educated. Measures
to slow population growth like China's one-child policy, have also contributed to lowered birth rates. The
increase in the aged population is not just an interesting trend, however; it also has severe implications for the
future of global economies.
People traditionally retire at 65 and live on government pensions. 3._____ Another concern is that as medical
expenses increase with age, the demands of the growing aged population will eventually cause medical systems
to face bankruptcy (破产).
4._____ They suggest that because people are living longer, they ought to work longer, while governments
need to establish a sound social security system. They also suggest that individuals start saving as soon as
possible to ensure a financially secure retirement. People should also develop good health habits in their youth
to ensure an active and productive old age. 5._____ By finding cures for diseases like Alzheimer's and cancer,
medical bills and the need for care would be drastically reduced.
Finally, an important step to ensure a bright future for all is to do away with negative stereotypes that see
valuable members of society only as pensioners or patients. It's high time we stopped seeing ageing as a disease
and started playing our parts in securing the future of our ageing societies.
B. Experts insist that steps should be taken now to prepare for the future.
C. As people grow older, a huge financial burden will be placed on the government.
D. Biomedical research is another tool we can use to deal with the problems of ageing societies.
E. One reason is that dramatic health advances have added 20 years to the average life expectancy.
F. The United Nations projects that by 2050, it will be l in every 5.
G. As is known to all, good habits lead to good health.
An ageing society is one in which the population of people over the age of 60 is increasing. The global
population at present is about 6 billion with l person in every 10 aged 60 or above. 1._____ This will mean
that for the first time in human history the population of older persons will be larger than the population of
children! What are the causes of this population change?
2._____ And another is that birth rates have dropped as people, especially women, are educated. Measures
to slow population growth like China's one-child policy, have also contributed to lowered birth rates. The
increase in the aged population is not just an interesting trend, however; it also has severe implications for the
future of global economies.
People traditionally retire at 65 and live on government pensions. 3._____ Another concern is that as medical
expenses increase with age, the demands of the growing aged population will eventually cause medical systems
to face bankruptcy (破产).
4._____ They suggest that because people are living longer, they ought to work longer, while governments
need to establish a sound social security system. They also suggest that individuals start saving as soon as
possible to ensure a financially secure retirement. People should also develop good health habits in their youth
to ensure an active and productive old age. 5._____ By finding cures for diseases like Alzheimer's and cancer,
medical bills and the need for care would be drastically reduced.
Finally, an important step to ensure a bright future for all is to do away with negative stereotypes that see
valuable members of society only as pensioners or patients. It's high time we stopped seeing ageing as a disease
and started playing our parts in securing the future of our ageing societies.
B. Experts insist that steps should be taken now to prepare for the future.
C. As people grow older, a huge financial burden will be placed on the government.
D. Biomedical research is another tool we can use to deal with the problems of ageing societies.
E. One reason is that dramatic health advances have added 20 years to the average life expectancy.
F. The United Nations projects that by 2050, it will be l in every 5.
G. As is known to all, good habits lead to good health.
根据短文内容，从短文后的七个选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
Are Societies Ageing Too Fast?
An ageing society is one in which the population of people over the age of 60 is increasing．The global population at present is about 6 billion with 1 person in every 10 aged 60 or above．_．This will mean that for the first time in human history the population of older persons will be larger than the population of children! What are the causes of this population change?
_．And another is that birthrates have dropped as people, especially women, are educated．Measures to slow population growth like China’s one-child policy, have also contributed to lowered birthrates．The increase in the aged population is not just an interesting trend, however; it also has severe implications for the future of global economies．
People traditionally retire at 65 and live on government pensions．_．Another concern is that as medical expenses increase with age, the demands of the growing aged population will eventually cause medical systems to face bankruptcy（破产）．
_．They suggest that because people are living longer, they ought to work longer, while governments need to establish a sound social security system．They also suggest that individuals start saving as soon as possible to ensure a financially secure retirement．People should also develop good health habits in their youth to ensure an active and productive old age．_．By finding cures for diseases like Alzheimer’s and cancer, medical bills and the need for care would be drastically reduced．
Finally, an important step to ensure a bright future for all is to do away with negative stereotypes that see valuable members of society only as pensioners or patients．It’s high time we stopped seeing ageing as a disease and started playing our parts in securing the future of our ageing societies．
A. Due to ageing problem, cities are facing more challenges．
B. Experts insist that steps should be taken now to prepare for the future．
C. As people grow older, a huge financial burden will be placed on the government．
D. Biomedical research is another tool we can use to deal with the problems of ageing societies．
E. One reason is that dramatic health advances have added 20 years to the average life-expectancy．
F. The United Nations projects that by 2050, it will be 1 in every 5．
G. As is known to all, good habits lead to good health．
查看习题详情和答案>>根据短文内容，从短文后的七个选项中选出能填入空白处的最佳选项。选项中有两项为多余选项。
Are Societies Ageing Too Fast?
An ageing society is one in which the population of people over the age of 60 is increasing．The global population at present is about 6 billion with 1 person in every 10 aged 60 or above．_．This will mean that for the first time in human history the population of older persons will be larger than the population of children! What are the causes of this population change?
_．And another is that birthrates have dropped as people, especially women, are educated．Measures to slow population growth like China’s one-child policy, have also contributed to lowered birthrates．The increase in the aged population is not just an interesting trend, however; it also has severe implications for the future of global economies．
People traditionally retire at 65 and live on government pensions．_．Another concern is that as medical expenses increase with age, the demands of the growing aged population will eventually cause medical systems to face bankruptcy（破产）．
___．They suggest that because people are living longer, they ought to work longer, while governments need to establish a sound social security system．They also suggest that individuals start saving as soon as possible to ensure a financially secure retirement．People should also develop good health habits in their youth to ensure an active and productive old age．__．By finding cures for diseases like Alzheimer’s and cancer, medical bills and the need for care would be drastically reduced．
Finally, an important step to ensure a bright future for all is to do away with negative stereotypes that see valuable members of society only as pensioners or patients．It’s high time we stopped seeing ageing as a disease and started playing our parts in securing the future of our ageing societies．
A. Due to ageing problem, cities are facing more challenges．
B. Experts insist that steps should be taken now to prepare for the future．
C. As people grow older, a huge financial burden will be placed on the government．
D. Biomedical research is another tool we can use to deal with the problems of ageing societies．
E. One reason is that dramatic health advances have added 20 years to the average life-expectancy．
F. The United Nations projects that by 2050, it will be 1 in every 5．
G. As is known to all, good habits lead to good health．
查看习题详情和答案>>