A-A+
It will eventually become necessary for us to
问题详情
It will eventually become necessary for us to try to colonize another planet because ______.
A．the Earth will have too many people on it
B．we"ll have used all the oil that drives our cars
C．there are not enough resources to sustain life on Earth
D．other planets in solar system can support life now请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：C
解析：本题是细节题。文中第一段说得很清楚If the population of the Earth goes on increasing at its present rate…we will have used up all the oil that drives our cars，for example．之所以需要开发另一行星，其根本原因是地球上没有足够的资源来维持人们的生存。故A、B、D均非根本原因，不符合题意。所以C选项是正确答案。
