The need for birth control methods has developed fairly recently, with the desire among many women to be able to decide when the

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问题     The need for birth control methods has developed fairly recently, with the desire among many women to be able to decide when they want to have a baby. At the same time, there is a growing【B1】______ of the problem of a rapidly increasing world population.
    This problem of a rising world population is largely the result of【B2】______ medical skills, which have【B3】______the death rate and at the same time raised the birth rate by increasing live births and the number of babies who【B4】______early childhood. There is a growing【B5】______that food production cannot keep【B6】______ with these increase, the result of which is that in some countries, people are already starving to death. This problem is further【B7】______by the fact that in places like America and Europe, we obtain by trade and【B8】______far more food and resources like oil than, say, the average India.【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,【B11】______
【B5】

选项

答案realization

解析 语义推断题。空格后为同位语从句,所以空格处应填同位语从句的先行词,结合同位语从句的句意以及空格前的growing可推测此处应填表示“认识到,意识到”的名词。结合录音可确认答案为realization。
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