1. The stone chip is thought to be the most important tool because it ______.
A. was one of the first toolsB. developed human capabilities
C. led to the invention of machinesD. was crucial to the development of mankind
2. At the end of the passage the author seems to suggest that life in future is______.
A. disastrous B. unpredictableC. exciting D. colorful
解析和答案
1. D) 这是一道细节题。根据文章第二段尾句Some scientists say that it was the key to the success of mankind可知stone chip对于人类的发展起到了非常重要的作用,这与D正好相符。
2. B)在文章最后一段中作者说人类在过去的几百万年时间里一直使用stone chip,人类社会发生的变化很校而我们使用silicon chips才不过几年,生活却发生了巨大的变化。于是作者发出了疑问:二十年后的生活会是什么样子的呢?,二百万年后的世界又会是什么样子呢?,表明将来的生活无法预料,这与选项B相符。
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