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A population explosion will lead to ______. [br] It took ______ years for world
A population explosion will lead to ______. [br] It took ______ years for world
游客
2024-07-09
20
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
本题为计算题,信息点定位在第五段,由1 billion到2 billion需100 years,由2 billion到3 billion需30years,两者相加130years,即选项C。
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