内容正文:
备战2022中考英语语法填空热点话题+体裁分类训练
(中考模拟题+名校真题)
专题51 中国历史
(2021·湖南衡阳·中考真题)
Zu Chongzhi was one of the greatest mathematicians(数学家) in ancient China. He was born during the Northern and Southern ____1____ ( dynasty). From a young age, Zu was taught natural science, astronomy(天文学), math and so on. The little boy was ____2____ ( interest) in all of these subjects, especially in ____3____ .
Zu was best known for his calculation(计算) of pi (π). According to the record, he did all the work using nothing but wooden sticks. ____4____ took him lots of time to work out the value — ____5____ 3.1415926 and 3.1415927. No one at that time was able to do better than Zu. And now the achievement is still praised by people around the world. In order to remember Zu, some mathematicians suggest ____6____ (call) pi“Zu Lv”.
Zu was successful not only in math, but also in astronomy. He worked out that a year should be 365.24281481 days long and created the Daming Calendar. ____7____ , government officials at that time