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问题 选择题

2007年夏天，许多商场搞起了羽绒服反季节促销活动，虽然羽绒服到冬天才能穿，但较低的价格还是引来了许多消费者。这说明： [ ]

A、反季节促销是商家决胜的关键

B、商品都应淡季购买，因为淡季价格偏低

C、价格降低，会增加人们对商品的购买

D、价格竞争是商家竞争的核心

答案

答案：C

单项选择题

关于参与性观察的特点，描述最恰当的是（）。

A.结果可以重复

B.结果可以外推

C.能够详实准确地获得第一手资料

D.需要的时间短

E.结果不受主观因素影响
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单项选择题

Many theories concerning the causes of juvenile delinquency(crimes committed by young people) focus either on the individual or on society as the major contributing influence. Theories (91) on the individual suggest that children engage in criminal behavior (92) they were not sufficiently penalized for previous misdeeds or that they have learned criminal behavior through (93) with others. Theories focusing on the role of society suggest that children commit crimes in (94) to their failure to rise above their socioeconomic status, (95) as a rejection of middle, class values.
Most theories of juvenile delinquency have focused on children from disadvantaged families, (96) the fact that children from wealthy homes also commit crimes. The latter may commit crimes (97) lack of adequate parental control. All theories, however, are tentative and are (98) to criticism.
Changes in the social structure may indirectly (99) juvenile crime rates. For example, changes in the economy that (100) to fewer job opportunities for youth and rising unemployment (101) make gainful employment increasingly difficult to obtain. The resulting discontent may in (102) lead more youths into criminal behavior.
Families have also (103) changes these years. More families consist of one-parent households or two working parents; (104) , children are likely to have less supervision at home (105) was common in the traditional family (106) . This lack of parental supervision is thought to be an influence on juvenile crime rates. Other (107) causes of offensive acts include frustration or failure in school, the increased (108) of drugs and alcohol, and the growing (109) of child abuse and child neglect. All these conditions tend to increase the probability of a child committing a criminal act, (110) a direct causal relationship has not yet been established.

A．on

B．in

C．for

D．with
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