摘要： The best title for this passage might be . A. Intelligence B. Birth and Environment C. The Answer to a Question D. Why Are Some People Born Clever C At least 10 million hectares of cultivatedland in China are polluted, which makes a grave threat to the country’s food safety, the Xinhua News Agency reported on Friday. The polluted land.which is mostly in economically developed areas.accounts for one-tenth of the country’s total arableland.according to an incomplete survey by the State Environmental Protection Administration.China’s top environment watchdog. Pollution on cultivated land threatens the environment.food safety and the sustainable development of agriculture.the administration said. Because of continual.too much use of chemical fertilizer, pesticide and agricultural plastic sheeting, as well as irrigation using polluted water, a large amount of contaminantsremain in the cultivated land. The contaminants affect the soil’s ecological structure and function.leading to decreased soil productivity, lower crop yield.and lower quality of agricultural products- It also leads to worse water quality in rural areas. Less than 9 per cent of drinkable water passed checks for bacteria in243 rural water supply stations across the county. Another survey, which took samples of drinking water and groundwater an 69 small towns. in Beijing, Tianjin and Hebei Province of North.China, showed that more than half of the water contains too much nitrate.which may cause diabetesand damage the kidney. The administration estimated at least 1 90 million farmers are drinking water that contains harmful substances. Many villagers drink unfiltered water taken from shallow water wells or water cellars. which are reported to have poor sanitary conditions·

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　　Are some people born clever, and others born stupid? Or is intelligence developed by our environment and experiences? Strangely enough, the answer to both these questions is Yes. To some extent our intelligence is given to us at birth, and no amount of special education can make a genius out of a child born with low intelligence. On the other hand, a child who lives in a boring environment will develop his intelligence less than one who lives in rich and varied surroundings. Thus the limits of a person's intelligence are fixed at birth, but whether or not he reaches those limits will depend on his environment. This view, now held by most experts, can be supported in a number of ways.

　　It is easy to show that intelligence is to some extent something we are born with. The closer the blood relationship between two people, the closer they are likely to be in intelligence. Thus if we take two unrelated people at random from the population, it is likely that their degrees of intelligence will be completely different. If on the other hand we take two identical (完全相同的) twins, they will very likely be as intelligent as each other.

　　Imagine now that we take two identical twins and put them in different environments. We might send one, for example, to a university and the other to a factory where the work is boring. We would soon find differences in intelligence developing, and this indicates that environments as well as birth play a part. This conclusion is also suggested by the fact that people who live in close contact with each other, but who are not related at all, are likely to have similar degrees of intelligence.

1．Which of these sentences best describes the writer's point on intelligence?

[　　]

A．Intelligence is determined at birth.

B．Intelligence is mainly developed by environment.

C．Some people are born clever and others born stupid.

D．Intelligence is given at birth, but can be developed by environment.

2．It is suggested in the passage that ________.

[　　]

A．twins always have the same intelligence

B．intelligence doesn't depend on the blood relationship

C．unrelated people can never have similar intelligence

D．people in the same circle are likely to have similar intelligence

3．Which of the following can be the best title for this passage?

[　　]

A．On Intelligence

B．What Does Intelligence Mean?

C．We Are Born with Intelligence

D．Environments Plays a Part in Developing Intelligence

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Are some people born clever, and others born stupid? Or is intelligence developed by our environment and our experiences? Strangely enough, the answer to both these questions is yes. To some extent our intelligence is given us at birth, and no amount of special education can make a genius out of a child born with low intelligence. On the other hand, a child who lives in a boring environment will develop his intelligence less than one who lives in rich and varied surroundings. Thus the limits of a person's intelligence are fixed at birth, but whether or not he reaches those limits will depend on his environment. This view, now held by most experts, can be supported in a number of ways.
It is easy to show that intelligence is to some extent something we are born with. The closer the blood relationship between two people, the closer they are likely to be in intelligence. Thus if we take two unrelated people at random from the population, it is likely that their degrees of intelligence will be completely different. If on the other hand we take two identical twins they will very likely be as intelligent as each other. Relations like brothers and sisters, parents and children, usually have similar intelligence, and this clearly suggests that intelligence depends on birth.www.examda.com
Imagine now that we take two identical twins and put them in different environments. We might send one, for example, to a university and the other to a factory where the work is boring. We would soon find differences in intelligence developing, and this indicates that environment as well as birth plays.
This conclusion is also suggested by the fact that people who live in close contact with each other, but who are not related at all, are likely to have similar degrees of intelligence.

1.
Which of these sentences best describes the writer's point in Paragraph 1?
1. A.
  To some extent, intelligence is given at birth.
2. B.
  Intelligence is developed by the environment.
3. C.
  Some people are born clever and others born stupid.
4. D.
  Intelligence is fixed at birth, but is developed by the environment.
2.
It is suggested in this passage that_______.
1. A.
  unrelated people are not likely to have different intelligence
2. B.
  close relations usually have similar intelligence
3. C.
  the closer the blood relationship between people, the more different they are likely to be in intelligence
4. D.
  people who live in close contact with each other are not likely to have similar degrees of intelligence
3.
Brothers and sisters are likely to_______.
1. A.
  have similar intelligence
2. B.
  have different intelligence
3. C.
  go to the same university
4. D.
  go to the same factory
4.
The best title for this article would be_______.
1. A.
  On Intelligence
2. B.
  What Intelligence Means
3. C.
  We Are Born with Intelligence
4. D.
  Environment Plays a Part in Developing Intelligence

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阅读理解。

     Are some people born clever and others born stupid? Or is intelligence (智力) developed by our
environment and our experience? Strangely enough, the answer to these questions is yes. To some
extent Our intelligence is given to US at birth, and no amount of education can make a genius (天才)
out of a child born with low intelligence. On the other hand, a child who lives in a boring environment
will develop his intelligence less than one who lives in rich and varied surrounding (环境). Thus the
limits of person' s intelligence are fixed at birth, whether or not he reaches those limits will depend on
his environment. This view, now held by most experts, can be supposed in a number of ways.
     It is easy to show that intelligence is to some extent something we are born with. The closer the
blood relationship between two people, the closer they are likely to be intelligent. Thus if we take two
unrelated people at random from population, it is likely that their degree of intelligence will be completely
different. If, on the other hand, we take two identical twins, they will very likely to be as intelligent as
each other. Relations like brothers and sisters, parents and children, usually have similar intelligence, and
this clearly suggests that intelligence depends on birth.
    Imagine now that we take two identical (完全相同的) twins and put them in different environments.
We might send one,for example,to a university and the other to a factory where the working is boring.
We would soon find differences in intelligence developing,and this shows that environment as well as
birth plays a part. This conclusion is also suggested by the fact that people who live in close contact with
each other, but who are not related at all are likely to have similar degree of intelligence.

1. If a child is born with low intelligence, he can _____.

A. become a genius
B. not reach his intelligence in his life
C. reach his intelligence limits in rich surroundings
D. still become a genius if he should be given special education

2. In the second paragraph, the underlined sentence means "if we _____."

A. pick any two persons
B. take out two different persons
C. choose two persons who are relative
D. choose two persons with different intelligence

3. The example of the twins going to a university and to a factory separately shows _____.

A. the part that birth plays
B. the importance of their positions
C. the importance of their intelligence
D. the role of environment on intelligence

4. The best title of the passage can be _____.

A. Surroundings
C. Dependence on Environment
B. Intelligence
D. Effect of Education

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It is easy to show that intelligence is to some extent something we are born with. The closer the blood relationship between two people, the closer they are likely to be in intelligence. Thus if we take two unrelated people at random from the population, it is likely that their degrees of intelligence will be completely different. If on the other hand we take two identical twins they will very likely be as intelligent as each other. Relations like brothers and sisters, parents and children, usually have similar intelligence, and this clearly suggests that intelligence depends on birth.

This conclusion is also suggested by the fact that people who live in close contact with each other, but who are not related at all, are likely to have similar degrees of intelligence.

1.Which of these sentences best describes the writer's point in Paragraph 1?

A. To some extent, intelligence is given at birth.

B. Intelligence is developed by the environment.

C. Some people are born clever and others born stupid.

D. Intelligence is fixed at birth, but is developed by the environment.

2. It is suggested in this passage that_______.

A. unrelated people are not likely to have different intelligence

B. close relations usually have similar intelligence

C. the closer the blood relationship between people, the more different they are likely to be in intelligence

D. people who live in close contact with each other are not likely to have similar degrees of intelligence

3.Brothers and sisters are likely to_______.

　 A. have similar intelligence B. have different intelligence