A-A+
The purpose of mentioning the search engine is
问题详情
The purpose of mentioning the search engine is to show ______.
A．the economic impact of information technology
B．the high speed of modern machines
C．popular interest in the Internet
D．technological progress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：D
解析：题目问：文中提及搜索引擎是为了表明什么。根据文中第二段倒数第三句“…everything from the steam engine to the search engine fits into the past twenty-one seconds．”可知，将蒸汽机和搜索引擎放在一起进行比较，明显表明了科技的进步，因此D项为正确答案。
