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7.What does the woman probably think of math?
A.Difficullt. B.Interesting. C.Simple.
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16.Heabandoned (遗弃;抛弃)his wife and his child and went away with all their money.
17.At what time does the second show start?
A.7:00.B.7:10.C.9:00.D.9:10.
14.The United States estimates that about one out of every 10 people on the planet today is at least 60years old.By 2050,it's projected to be one out of 5.This means that not only will there be more old people,but there will be relatively fewer young people to support them.
Professor Richard Lee of the University of California at Berkeley says this aging of the world has a great effect on economics."Population aging increases the concentration of population in the older ages and therefore it is costly,"he said.
Aging populations consume (消耗) more and produce less.With more people living longer,it could get expensive.But Mr.Lee says with continuing increases in worker productivity and smart planning,it can be manageable.
Societies have different methods for caring for the elderly,but each carries a cost.Generally,there are three types of support.Seniors can live off the wealth they gained when they were younger.They can rely on their family to take care of them,or they can rely on the government.
In industrialized nations,governments created publicly-funded (公共资助的) support systems.These worked relatively well until recent years,when aging population growth in places like the United States and Western Europe began to gradually weaken the systems'finances.These nations now face some tough choices.Mr.Lee says the elderly in some of these countries must either receive less money,retire later or increase taxes to make the system continuable.
Most developing nations haven't built this type of government-funded support,but have instead relied on families to care for their elderly.These nations also generally have a much younger population,which means their situation is not as urgent as more developed nations.But Mr.Lee says that doesn't mean they can ignore the issue."Third World countries should give very careful thought to this process,to population aging and how it may affect their economies-now,before population aging even becomes an issue,"he explained.
29."Aging"in this text meansD.
A.there are more young people than old people
B.an increasing number of old people are dying
C.more and more young people are growing old
D.the percentage of old people in the world is increasing
30.What is Professor Richard Lee's attitude towards population aging?C
A.Indifferent.B.Negative.
C.Optimistic.D.Worried.
31.The publicly-funded support systems in industrialized nationsA.
A.are facing the risk of failing
B.have failed to provide support for the old
C.will be replaced by other support systems
D.have greatly affected the nations'economies
32.We can infer from the text that developing nationsB.
A.don't see population aging as an issue
B.should prepare for population aging.
C.are facing urgent situations of population aging
D.have better ways to deal with population aging.
2.听第8段材料,回答第10至12题.
10.How did the woman get to know about third-hand smoke?
A.From young smokers. B.Prom a newspaper article. C.From Some smoking parents.
11.Why does the man say that he should keep away from babies?
A.He has just become a father. B.He wears dirty clothes. C.He is a smoker.
12.What does the woman suggest smoking parents should do?
A.Stop smoking altogether.
B.Smoke only outside their houses.
C.Reduce dangerous matter in cigarettes.
12.What is the relationship between the speakers?
A.Waiter and customer. B.Master and servant. C.Host and visitor.
19.What is the woman going to do?
A.Show the man the way to a hotel.
B.Find a hotel for herself.
C.Help the man find a shop.
16.Why is the woman so happy?
A.She has been given more cookies.
B.The cookies taste better than before.
C.Twelve cookies have been given to her.
17.听第9段材料,回答第13至16题.
13.What is going to be in Liberty Park next week?
A.An art festival B.A concert. C.A picnic
14.What does the traditional artists like painting?
A.Lands scapes B.Festivals C.Parks
15.How many artists will show their paintings?
A.Two traditional painters
B.Two modern artists
C.Three best local artists
16.What information do we know about the art exhibitions?
A.They start at the same place and time
B.They start at different places and time
C.They will show paintings from five foreign countries.
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