小站备考 托福 托福听力 Official17听力真题 OFFICIAL17 Once the Egyptians realized the significance of the heliacal rising of Sirius,what change did they make to their agricultural calendar? 1 2 3 4 5 6 展开 play 00:00/ 00:00 音频点读 词句精学 Narrator: Listen to part of ...
Even though the length of the agricultural calendar still fluctuated, with some years having twelve months and others having thirteen, it ended up being much more reliable than it was before.They continually adjusted to the heliacal rising of Sirius ensuring that they never got too far off in ...
adj.pertaining to or near the sun; especially the first rising of a star after and last setting before its invisibility owing to its conjunction with the sun "the heliacal rising of the Dog Star"; "the heliacal or Sothic year is determined by the heliacal rising of Sothis (the Egyptian na...
4.Once the Egyptians realized the significance of the heliacal rising of Sirius,what change did they make to their agricultural calendar? A. They made each month exactly 30 days. B. They shortened the length of the year. C. They added a religious festival date to celebrate the heliacal risi...