Man cannot go on increasing his number at the present rate. In the ___1__ 30 years man will face a period of crisis. Some experts believe that there will be a widespread food __2__. Other experts think this is too pessimistic, and that man can prevent things from ___3__ worse than they are now. But remember that two thirds of the people in the world are under-nourished or starving now.

　　One thing that man can do is to limit the __4__ of babies born. The need for this is obvious, but it is not __5__ to achieve. People have to be prevailed to limit their families. In the countries of the population ___6__ , many people like big families. The parents think that this makes a bigger income for the family and ensures there will be someone in the family who look ___7__ them in old age.

　　Several governments have adopted birth control policies in recent years. Among them are Japan, China, India and Egypt. In some ___8___ the results have not been successful. Japan has been an __9_. The Japanese adopted a birth control policy in 1948. People were encouraged to limit their families. The birth ___10__ fell from 34.3 per thousand year to about 17. 0 per year at present.

　　1. A. second B. recent C. next D. late

　　2. A. need B. want C. absence D. shortage

　　3. A. being B. getting C. doing D. remaining

　　4. A. quantity B. whole C. amount D. number

　　5. A. easy B. critical C. difficult D. tough

　　6. A. bursting B. explosion C. raising D. extension

　　7. A. upon B. over C. into D. after

　　8. A. prospects B. examples C. events D. cases

　　9. A. evidence B. answer C. exception D. incident

　　10. A. rate B. speed C. frequency D. ratio