A. steam power B. electricity C. automobile
A. The First Industrial Revolution B. The Second Industrial Revolution C. The Third Industrial Revolution D. After World War Ⅱ
A. the USA B. the UK C. Germany D. the Soviet Union
A. development of electricity B. the use of chemicals and automobiles C. mass production D. semiconductors
A. The First Industrial Revolution B. The Second Industrial Revolution C. The Third Industrial Revolution D. The Fourth Industrial Revolution
A. 对 B. 错
A. 鼠标左键 B. 鼠标右键 C. 鼠标中键 D. 鼠标滚轮
A校 B校 C. 两所一样 D. 不能判断
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