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 India,【B9】______.
    World population is rising at 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,【B11】______.
【B6】
选项
答案lowered
解析 句意推断题。本句中的which指先行词medical skills，医疗技术改进了，死亡率就会下降，故此处填写“降低，下降”之意的词。
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大学英语四级

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