考博英语完型填空练习题（七）

完形填空部分主要测试考生在语篇水平上的理解能力和实际运用语言的能力。测试的形式是在一篇题材熟悉、难度适中的短文（约150-180词）中留出20个空（第一句和最后一句不留空），每个空为一题，要求考生就所给篇章后所给各题的四个选项中选出可以填入空白处的一个最佳答案。一般来说，该部分共20小题，每小题0.5分，总计10分。为帮助大家备考此类题型，希赛网考博英语频道为大家整理了部分试题，来练习吧。

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 __21__ on the individual suggest that children engage in criminal behavior __22__ they were not sufficiently penalized for previous misdeeds or that they have learned criminal behavior through __23__ with others. Theories focusing on the role of society suggest that children commit crimes in __24__ to their failure to rise above their socioeconomic status, __25__ as a rejection of middle-class values. Most theories of juvenile delinquency have focused on children from disadvantaged families, __26__ the fact that children from wealthy homes also commit crimes. The latter may commit crimes __27__ lack of adequate parental control. All theories, however, are tentative and are __28__ to criticism. Changes in the social structure may indirectly __29__ juvenile crime rates. For example, changes in the economy that __30__ to fewer job opportunities for youth and rising unemployment __31__ make gainful employment increasingly difficult to obtain. The resulting discontent may in __32__ lead more youths into criminal behavior. Families have also __33__ changes these years. More families consist of one parent households or two working parents; __34__, children are likely to have less supervision at home __35__ was common in the traditional family __36__. This lack of parental supervision is thought to be an influence on juvenile crime rates. Other __37__ causes of offensive acts include frustration or failure in school, the increased __38__ of drugs and alcohol, and the growing __39__ of child abuse and child neglect. All these conditions tend to increase the probability of a child committing a criminal act, __40__ a direct causal relationship has not yet been established

1.[A] acting [B] relying [C] centering [D] cementing

2.[A] before [B] unless [C] until [D] because

3.[A] interactions [B] assimilation [C] cooperation [D] consultation

4.[A] return [B] reply [C] reference [D] response

5.[A] or [B] but rather [C] but [D] or else

6.[A] considering [B] ignoring [C] highlighting [D] discarding

7.[A] on [B] in [C] for [D] with

8.[A] immune [B] resistant [C] sensitive [D] subject

9.[A] affect [B] reduce [C] chock [D] reflect

10.[A] point [B] lead [C] come [D] amount

11.[A] in general [B] on average [C] by contrast [D] at length

12.[A] case [B] short [C] turn [D] essence

13.[A] survived [B] noticed [C] undertaken [D] experienced

14.[A] contrarily [B] consequently [C] similarly [D] simultaneously

15.[A] than [B] that [C] which [D] as

16.[A] system [B] structure [C] concept [D] heritage

17.[A] assessable [B] identifiable [C] negligible [D] incredible

18.[A] expense [B] restriction [C] allocation [D] availability

19.[A] incidence [B] awareness [C] exposure [D] popularity

20.[A] provided [B] since [C] although [D] supposing

参考答案：1-5. [C]. [D]. [A]. [D]. [A] 6-10. [B]. [C]. [D]. [A]. [B]

11-15. [A]. [C]. [D]. [B]. [A] 16-20. [B]. [B]. [D]. [A]. [C]

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