A-A+
With what does the mechanical age reach its hi
问题详情
With what does the mechanical age reach its highest point？
A．The steam engine
B．Nuclear power production
C．The combustion process
D．The energy producing process of the sun此题为多项选择题。请帮忙给出正确答案和分析，谢谢！
参考答案
正确答案：B
解析：本题的四个选项中，只有B项为正确答案。这可从文中的内容推知，即美国社会正在由能源经济模式向信息经济模式转化。300年来，技术一直围绕着一个机械方面的模式发展。再根据"The steam engineopened the mechanical age，and it reached its peak with the discovery of nuclear fission and nuclearfusion"可知，这一机械时代开始于蒸汽机的发明，至核聚裂变的发现达到其顶峰。
