A.makes up for
B.adds up to
C.comes up with
D.puts up with
A.in regard with
B.in line with
C.by means of
D.in terms of
A.By land and labor.
B.Through social links.
C.By mutual aid.
D.By many other occasions.
A.People of all ages and both genders have to do manufacturing work.
B.People of all ages and both genders have to do the same work.
C.People of different ages and genders are assigned different jobs.
D.People of a particular age and gender are not specialized in the technical knowledge of other groups.