2. 外语
  3. The need for birth control methods has developed fairly【B1】______, with the desire among many women to be able to【B2】______ when

The need for birth control methods has developed fairly【B1】______, with the desire among many women to be able to【B2】______ when

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问题     The need for birth control methods has developed fairly【B1】______, with the desire among many women to be able to【B2】______ when they want to have a baby. At the same time there is a growing【B3】______of the problem of a rapidly increasing world population.
    This problem of a【B4】______world population is largely the result of【B5】______medical skills, which have【B6】______the death rate and at the same time raised the birth rate by increasing live births and the number of babies who【B7】______early childhood. There is a growing【B8】______that food production cannot keep pace with these increase, the result of which is that in some countries people are already starving to death. This problem is further complicated by the fact that in places like America and Europe we obtain by trade and consume far more food and resources like oil than, say, the average Indian,【B9】______.
    World population is rising at a rate of two percent a year; this means an addition of 70 million people a year to the present population of more than 3,500 million.【B10】______. The fastest growing region is Latin America which includes South and Central America and the Caribbean, while Africa and Asia closely follow Latin America. However, the largest absolute addition to the world population is in Asia【B11】______
【B6】
选项
答案lowered
解析 空后的and…raised…表明，空前have为助动词，本空应填一过去分词，再根据后面的raised the birth rate可知，本空应填一与raised意义相反的动词。
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大学英语四级

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