The rate at which man has been storing up useful knowledge about himself and

游客2023-10-16  16

问题     The rate at which man has been storing up useful knowledge about himself and the universe has been spiraling upward for 10,000 years. The rate【46】t______a sharp upward leap thousands of years ago,【47】w______the invention of writing, but even so it remained painfully slow over centuries of time. In knowledge【48】______(acquire) the next great leap forward did not occur until the invention of movable type in the fifteenth century by Gutenberg and others. Prior【49】______1500, by the most optimistic【50】est______, Europe was producing books at a rate of 1, 000 titles per year. This means that it would take a full century to produce a library of 100, 000 titles. The rate had【51】ac______so sharply by 1950, four and a half centuries later, that Europe was producing 120, 000 titles a year.【52】______once took a century now took only ten months. By 1960, a【53】s______decade later, the rate had made another significant jump, so that a century’ s work could be completed in seven and a half months. And, the output of books【54】______ a world scale by the mid sixties, Europe【55】______(include), approached the remarkable figure of 1,000 titles per day. [br]

选项

答案 on

解析 on a scale在…范围内,惯用搭配。
转载请注明原文地址:https://tihaiku.com/zcyy/3102115.html
最新回复(0)