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A population explosion will lead to______. [br] It took______ years for world po
A population explosion will lead to______. [br] It took______ years for world po
游客
2025-03-17
9
管理
问题
A population explosion will lead to______. [br] It took______ years for world population to grow from 1 billion to 3 billion.
选项
A、100
B、115
C、130
D、145
答案
C
解析
答案依据第五段第一句和第二句:In 1830,world population…just 30 more to add a third million."世界人口在1830年达到了10亿。过了100年,人口又增加了l0亿,又仅仅过了30年,世界人口就达到了30亿"。世界人口从10亿增长到30亿用了130年。
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