Man cannot go on increasing his number at the present rate. In the next 30 years man will face a period of crisis. Some experts

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问题     Man cannot go on increasing his number at the present rate. In the next 30 years man will face a period of crisis. Some experts believe that there will be a widespread food【C1】______. Other experts think this is too pessimistic(悲观的), and that man can prevent things from【C2】______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【C3】______of babies born. The need for this is obvious, but it is not easy to achieve. People have to be【C4】______to limit their families. In the countries of the population【C5】______, 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 will look【C6】______them in old age.
    Several governments have【C7】______birth control policies in recent years. Among them are Japan, China, India and Egypt. In some cases the results have not been successful. Japan has been an【C8】______. The Japanese adopted a birth control policy in 1948. People were【C9】______to limit their families. The birth rate fell from 34.3 per thousand per year to about 17.0 per year【C10】______present.
【C3】

选项 A、quantity
B、whole
C、amount
D、number

答案D

解析 此句意思为“控制新生儿的数量”。C选项修饰不可数名词,可排除。B选项“整体、全体”与句意不符。A选项是指整体来考虑的数量,与质量相对,因此答案为D。
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