One thing that man can do is to limit【C8】______of babies born. The need【C9】______this is obvious, but it is【C10】______to achieve. People have to【C11】______to limit their families. In the countries of the population【C12】______, many people like big families. The parents think that this【C13】______a bigger income for the family and ensures there will be someone in the family who will look【C14】______them in old age.
Several governments have【C15】______birth control policies in recent years.【C16】______them are Japan, China, India and Egypt. In some【C17】______the results have not been【C18】______. Japan has been an exception. The Japanese adopted a birth control policy in 1948. People【C19】______to limit their families. The birth rate fell from 34. 3 per thousand per year to about 17. 0 per thousand per year【C20】______.
【C1】
A.increasing
B.to increase
C.and increase
D.with increasing
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