2. 外语
  3. The American baby boom made unconvincing U. S. advice to poor countries that they restrain their births. 【C1】______, there has h

The American baby boom made unconvincing U. S. advice to poor countries that they restrain their births. 【C1】______, there has h

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问题     The American baby boom made unconvincing U. S. advice to poor countries that they restrain their births. 【C1】______, there has hardly been a year since 1957 in which birth rates have not fallen in U. S. and other rich countries, and in 1976 the fall was especially【C2】______. Germany has fewer births than deaths, and U. S. is temporarily able to【C3】______ this condition because the children of the baby boom are now a large group of married couples.
    It is true that Americans are greatly 【C4】______ women liberation: once women see interesting and well-paid jobs and careers【C5】______, they are less willing to provide free【C6】______ for child raising. From costing nothing, children suddenly come【C7】______seem impossibly expensive. And【C8】______ the high cost of children are added the uncertainties introduced by divorce; couples are unwilling to【C9】______ children to the terrible experience of marital【C10】______ and themselves to the difficulty of raising a child alone.
    These circumstances—women working outside the home and the【C11】______of marriage tend to spread【C12】______ industrial society and they will affect more countries. Along with them goes social mobility, a main factor in【C13】______ the births in Europe in the nineteenth century.
    Food shortage will happen when the 【C14】______ resulting from the good harvests of 1998 have been【C15】______. Urbanization is to continue, with the cities of developing nations struggling【C16】______ the weight of large populations. The presently rich countries are approaching a stable population largely because of the 【C17】______ place of women, and they 【C18】______ are setting an example of restraint to the rest of the world. Industrial society will spread to the poor countries, and【C19】______ will exceed resources. All this will【C20】______ to a population in the twenty-first century that is smaller than was feared a few years ago.
【C16】
选项 A、by
B、under
C、on
D、with
答案B
解析 介词辨析题。原句空格后接的是weight，所填词汇应该能和weight搭配。by weight表示“按重量计算”；put on weight表示“增加体重”;[D]with常用来表示伴随或方法，因此这三项均应排除。under the weight of表示“在……压力之下”，所以[B]under为答案。
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