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  3. The world’s population continues to grow. There now are about 4 billion of us

The world’s population continues to grow. There now are about 4 billion of us

游客2025-03-04  15
问题    The world’s population continues to grow. There now are about 4 billion of us on earth, and that could reach 6 billion by the end of the twentieth century and 11 billion in a further 75 years. Experts have long been concerned about such a growth. Where will we find the food, water, jobs, houses, schools and health care for all these people?
   A major new study shows that the situation may be changing. A large and rapid drop in the world’s birth rate has taken place during the past 10 years. Families generally are smaller now than they were a few years ago. It is happening in both developing and industrial nations.
   Researchers said they found a number of reasons for this. More men and women are waiting longer to get married and are using birth control devices and methods to prevent or delay pregnancy. More women are going to school or working at jobs away from home instead of having children. And more governments, especially in developing nations, now support family planning programs to reduce population growth.
   China is one of the nations that have made great progress in reducing its population growth. China has already cut its rate of population growth by about one half since 1970.
   Each Chinese family is now urged to have no more than one child. And the hope is to reach a zero population growth with the total number of births equaling the total number of deaths.
   Several nations in Europe already have fewer births than deaths. Experts said that these nations could face a serious shortage of workers in the future. And the persons who are working could face much higher taxes to help support the growing number of retired people.  [br] The world’s population could reach______.
选项 A、6 billion in 75 years
B、11 billion in 75 years
C、11 billion by the end of the twentieth century
D、4 billion by the end of the twentieth century
答案 B
解析 细节判断题。从第一段There now are about 4 billion of us on earth，and that could reach 6 billion by the end of the twentieth century and 11 billion in a further 75 years可以得知，世界人口到20世纪末会达到6 billion，75年后会达到11 billion，所以答案为B。
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