The best title for this passage would be ______ . [br] According to the passage,

游客2024-06-28  10

问题 The best title for this passage would be ______ . [br] According to the passage, what will happen in the next century?

选项 A、Life expectancy at birth in most developing countries increased over 61.
B、Birth rate will be very high.
C、Death rate will be very low.
D、Life expectancy at birth in most developed countries increased over 61.

答案 A

解析 根据文章最后一句话得知发展中国家人口寿命在1990年达到61岁。那么,可以推出下个世纪即二十一世纪人口寿命将超过61岁。
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