题目内容：

    According to sociologists, there are several different ways in which a person may become recognized as a leader of a social group.

In the family, traditional cultural patterns award_________  to one or both of the parents. In other _______, such as friendship groups, one or more persons may gradually emerge as leaders, although there is no formal process of _______.In larger groups, leaders are usually chosen formally through election or recruitment.

Although leaders are often thought to be people with unusual personal ability, decades of research have failed to produce consistent _______ that there is any category of "natural leaders". It seems that there is no set of personal qualities that all leaders have _______; rather, practically any person may be recognized as a leader if the person has _______ that meet the needs of that particular group.

Research suggests that there are typically two different leadership _______ that are held by different individuals. Instrumental leadership is leadership that emphasizes the _______ of tasks by a social group. Group members look to instrumental leaders to "get things done". Expressive leadership, on the other hand, is leadership that emphasizes the _______well-beings of a social group's members. Expressive leaders are less concerned with the overall goals of the group than with providing ____________ support to group members and attempting to decrease tension and conflict among them. Instrumental leaders are likely to have a rather secondary relationship to other group members. They give others and may ____________ group members who restrict attainment of the group's goals. Expressive leaders cultivate a more ____________ or primary relationship to others in the group.They offer ____________ when someone experiences difficulties and try to____________ issues that threaten to divide the group. As the difference in these two roles suggest, expressive leaders generally receive more personal ______________ from group members; instrumental leaders, if they are successful in promoting group goals, may enjoy a more distant respect.

1.A.burden B.leadership C.housework D.right

2.A.families B.societies C.cases D.researches

3.A.selection B.struggle C.recommendation D.register

4.A.evidence B.support C.approach D.pattern

5.A.in advance B.in brief C.in general D.in common

6.A.partners B.achievements C.skills D.qualities

7.A.selections B.roles C.challenges D.structures

8.A.assignment B.introduction C.completion D.division

9.A.joint B.financial C.social D.individual

10.A.political B.administrative C.emotional D.technical

11.A.discipline B.praise C.ignore D.identify

12.A.casual B.temporary C.personal D.stable

13.A.criticism B.sympathy C.estimate D.information

14.A.omit B.confuse C.raise D.resolve

15.A.imitation B.affection C.objection D.revenge