The Yuan ___ established its capital in Dadu, now Beijing.
A.Dynasty
B.Age
C.Year
D.Majesty
___ is a system of timekeeping that defines the beginning and length and divisions of the year.
A.Time
B.Calendar
C.Agenda
D.Schedule
___ lines will never meet no matter howfar extended.
A.Cross
B.Alternate
C.Parallel
D.A web of
If something has ___, it consists of things which are different from each other.
A.similarities
B.variety
C.various
D.traits