第21题: [单项选择]We can learn from the passage that the author regards the saying of "supercomputer on a chip" as_______. A. an exaggeration B. a truth C. hard to believe D. incredible but somewhat true 参考答案:D 答案解析:细节题。题目问的是:从文中我们可以知道,作者认为“一块芯片的超级计算机”的说法是______。文章第四段倒数第三句提到:A speed of 256 gigaflops is around ten t