试题详情
单项选择题Which of the following does an astronomical time clock do?()

A、Determines the ambient light at night with a photocell.

B、Calculates sunset and sunrise times based on geographical area.

C、Determines the start and end of each of the seasons.

D、Synchronizes the local time displayed with the official world time.

  • B
  • 关注下方微信公众号,在线模考后查看

热门试题