题目内容
(请给出正确答案)
[主观题]
According to the passage, what helps to explain why the population problem has come on "al
l of a sudden"?
A.The penny that doubles itself every day for one month
B.The time span of at least two million years in human history
C.An illustration of the exponent growth rate given by the author
D.The large amount of money you would luckily make after the fourth week
查看答案
如果结果不匹配,请 联系老师 获取答案