Day shapes must be displayed _________.(1.0)
A.between sunset and sunrise B.only between 8 AM and 4 PM C.during daylight hours in any visibility D.during daylight hours in unrestricted visibility only正确答案C
Day shapes must be displayed _________.(1.0)
A.between sunset and sunrise B.only between 8 AM and 4 PM C.during daylight hours in any visibility D.during daylight hours in unrestricted visibility only正确答案C
