Why So Many Children In many of the developing countries h Africa and Asia,...

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问题 Why So Many Children
In many of the developing countries h Africa and Asia,the population is growing fast. The reason for this is simple: Women in these countries have a high birth rate —from 3.0 to 7.0 children per woman. The majority of these women are poor, without the food or resources to care for their families. Why do they have so many children? Why don't they limit the size of their families? There are several reasons for this.
One reason is economic. In a traditional agricultural economy, large families are helpful. Having more children means having more workers in the fields and someone to take care of the parents in old age. In an industrial economy, the situation is different. Many children do not help a family; instead, they are an expense. Thus, industrialization has generally brought down the birth rate. This was the case in Italy, which was industrialized quite recently and rapidly. In the early part of the twentieth century, Italy was a poor, largely agricultural country with a high birth rate. After World War II, Italy’s economy was rapidly modernized and industrialized. By the end of the century, the birth rate had dropped to 1. 3 children per woman, the world's lowest.
However, the economy is not the only important factor Arabia, for example, does not have an agriculture-based economy, and it has one of the highest per capita incomes in the world. Nevertheless, it also has a very high birth rate (7.0). Mexico and Indonesia, on the other hand, are poor countries, with largely agricultural economies, but they have recently reduced their population growth.
Clearly, other factors are involved. The most important of these is the condition of women. A high birth rate almost always goes together with lack of education and low status for women. This would explain the high birth rate of Saudi Arabia. There, the traditional culture gives women little education or independence and few possibilities outside the home. On the other hand, the improved condition of women in Mexico, Thailand, and Indonesia explains the decline in birth rates in these countries. Their governments have taken
measures to provide more education and opportunities for women.
However, the economy is not the only important factor that influences birth rate. Saudi Arabia, for example, does not have an agriculture-based economy, and it has one of the highest per capita incomes in the world. Nevertheless, it also has a very high birth rate (7.0). Mexico and Indonesia, on the other hand, are poor countries, with largely agricultural economies, but they have recently reduced their population growth.
Clearly, other factors are involved. The most important of these is the condition of women. A high birth rate almost always goes together with lack of education and low status for women. This would explain the high birth rate of Saudi Arabia. There, the traditional culture gives women little education or independence and few possibilities outside the home. On the other hand, the improved condition of women in Mexico, Thailand, and Indonesia explains the decline in birth rates in these countries. Their governments have taken measures to provide more education and opportunities for women.
Another key factor in the birth rate is birth control. Women may want to limit their families but have no way to do so.丨n countries where governments have made birth control easily available and inexpensive, birth rates have gone down. This is the case in Singapore, Sri Lanka, and India, as well as in Indonesia, Thailand, Mexico, and Brazil. In these countries, women have also been provided with health care and help in planning their families. These trends show that an effective program to reduce population growth does not have to depend on better economic conditions.   
  
Saudi Arabia is mentioned because it shows that  .

选项 A the most important factor influencing birth rate is the economy
B factors other than the economy influence birth rate
C women who have a high income usually have few children
D the birth rate depends on per capita income

答案B

解析文章开始说到,通常经济发达的国家出生率低,但沙特阿拉伯是人均收入最高的国家之一,然而其出生率也很高,然后引出了影响出生率的其他原因。因此,提到沙特阿拉伯是为了说明除经济因素外其他影响出生率的因素。
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