单选题 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 1 . Other experts think this is too pessimistic (悲观的), and that man can prevent things from 2 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 3 of babies born. The need for this is obvious, but it is not easy to achieve. People have to be 4 to limit their families. In the countries of the population 5 , 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 6 them in old age.
Several governments have 7 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 8 . The Japanese adopted a birth control policy in 1948. People were 9 to limit their families. The birth rate fell from 34.3 per thousand per year to about 17.0 per year 10 present.

【正确答案】 D

【答案解析】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。

【正确答案】 C

【答案解析】根据句意“必须说服人们去控制他们的家庭人数”，persuade“说服”，最符合题意。be inclined to“倾向于，想要”；prevail“流行，遍布”；convert“转化，变换”。

【正确答案】 C

【答案解析】上句提到在有些地方计划生育政策实施得并不成功，下面又提到日本这个国家，由数据显示我们可知日本的生育率下降了，因此日本实施计划生育政策是成功的，即日本是个“例外”，所以选C。

【正确答案】 A

【答案解析】encourage“鼓励”；approve“赞成，同意”；support“支持”；promote“促进，发扬，提升”。本句意为“政府鼓励人们限制家庭的规模”，因此A符合题意。