考博英語完型填空練習題（七）

完形填空部分主要測試考生在語篇水平上的理解能力和實際運用語言的能力。測試的形式是在一篇題材熟悉、難度適中的短文（約150-180詞）中留出20個空（第一句和最后一句不留空），每個空為一題，要求考生就所給篇章后所給各題的四個選項中選出可以填入空白處的一個最佳答案。一般來說，該部分共20小題，每小題0.5分，總計10分。為幫助大家備考此類題型，希賽網(wǎng)考博英語頻道為大家整理了部分試題，來練習吧。

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

參考答案：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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