1. 由于人口的增长，2. 人类感到压力越来越大。
3. 控制人口增长是我国的基本国策。
4. 家庭子女多有许多弊病。
Mankind is feeling greater pressure from the expanding number of people. The area of the earth can never be expanded. Nor are there endless sources of food and clothing. Yet, the number of people is increasing be 80million each year. In the next fifty years, the world population may double. How can so many people be fed? What is worse, most likely, there will be a day when people can only have standing room.
Birth control is a basic policy in our country. China has the greatest number of population in the world. Her level of per capita cultivated area ranks very low. With a high birth rate, the production of grain and other bare necessities will be unable to meet the needs of people. To raise people’s living standard, we must practice birth control.
There are disadvantages of a family having more children. First of all, as the parents have only limited income in general, they cannot give their children a good upbringing in food, clothing and shelter, let alone education. Secondly, child rearing will exhaust the parents, leaving them no burden of the society so far as social morality and juvenile delinquency are concerned.
人口和控制生育
由于人口数量的增长，人类感到压力很大。地球的面积再也不会增加了，食品和衣物的来源也不是无限的。然而，人口则以每年八千万的数目增长着。在今后的50年，世界人口将会是现在的一倍。这么多的人口怎么养活？最糟糕的是，很可能有一天人们只有站脚的地方。
控制人口增长是我国的基本国策。中国是世界人口最多的国家。她的可耕地面积的平均水平相当低。随着出生率的高度增长，粮食和其他生活必需品的生产将不能满足人们的'需要。为了提高 人民的生活水平，我们必须施行人口控制。
家庭子女多有许多弊病。首先，一般地说，由于父母经济收入有限，他们在衣食住行方面不能给他们的孩子们提供良好的条件，更不要说受教育了。第二，教养子女会使父母费心竭力，使父母没有时间和精力顾及自己的工作。最后，就社会道德和青少年犯罪而言，家庭子女多也会增加社会的负担。
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