问答题 If marriage exists only as an intimate relationship that A(can be terminated at will), and family exists B(only by virtue of) bonds of affection, both marriage and family C(are relegated to) the market place of trading places, with individuals maximizing D(his psychological capital) by moving through a series of more or less satisfying intimate relationships.

问答题 Freeman and slave, A(patrician and plebeian), lord and serf, guild-master and journeyman, in a word, B(oppressor and oppressing), stood in constant opposition to one another, carried C(on an uninterrupted), now hidden, now open fight, a fight that each time ended, either in a revolutionary reconstitution of society at large, D(or in the common ruin of) the contending classes.

问答题 After 1945 both A(America scholarship) and a resurgence of Marxist thought increasingly penetrated European sociology, B( which expanded )considerably. To a growing extent in both the United States and Western Europe, C( the three dominating figures) of Marx, Durkheim, and Weber were recognized as the preeminent classical thinkers of the sociological tradition. D(Their work continued) to influence contemporary sociologists.