35. Zu Chongzhi was one of the greatest mathematicians(數(shù)學(xué)家) in ancient China.From a young age,Zu was (1)
( teach) natural science,astronomy,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 of pi(π).According to the record,he did all the work (4)
( use) nothing but wooden sticks. (5)
took him lots of time to work out the value between 3.1415926 and 3.1415927.No one at that time was able to do(6)
( good) than him.And now the (7)
(achieve) is still praised by people around the world.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.However,government officials at that time did not agree (8)
him.Almost ten years after his death,the new calendar was (9)
( final) accepted and put into use.He was an inventor,too.He once made a vehicle(10)
carried a pointer.No matter how the vehicle turned,the pointer always pointed to the south.