A-A+
Many scientists hold that global warming can b
问题详情
Many scientists hold that global warming can be controlled by.
A．reducing the polar bear population.
B．paying more attention to the earth"s rising temperatures
C．reducing carbon dioxide emissions
D．refreezing the polar ice caps
参考答案
正确答案：C
解析：属事实细节题。第四段开头指出：“大部分科学家都认为，阻止全球变暖惟一有效的策略就是大量减少排放像二氧化碳这样危害大的空气污染物。”
