Times, as we understand and measure it..-阿摩線上測驗
1F 蔡怡庭 國二下 (2017/10/29)
(A) Sundials were invented in Europe in the fourteenth century. 14世紀在歐洲被使用的是hourglass(沙漏) (B) The hourglass was the first instrument humans invented to measure time.文章中提到較早的發明應是sun clock / Sundials (C) The first spring-powered clock was invented in China. 應該是Germany(德國) 時間大約是1510年. (D) Electric-powered clocks are more accurate than spring-powered clocks. 最後一句中可以得知。 |