2013年大学英语六级完型填空练习题

　　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 ___1___ on the individual suggest that children engage in criminal behavior ___2___ they were not sufficiently penalized for previous misdeeds or that they have learned criminal behavior through ___3___ with others. Theories focusing on the role of society suggest that children commit crimes in ___4___ to their failure to rise above their socioeconomic status, ___5___ as a rejection of middle-class values.

　　Most theories of juvenile delinquency have focused on children from disadvantaged families, ___6___ the fact that children from wealthy homes also commit crimes. The latter may commit crimes ___7___ lack of adequate parental control. All theories, however, are tentative and are ___8___ to criticism.

　　Changes in the social structure may indirectly ___9___ juvenile crime rates. For example, changes in the economy that ___10___ to fewer job opportunities for youth and rising unemployment ___11___ make gainful employment increasingly difficult to obtain. The resulting discontent may in ___12___ lead more youths into criminal behavior.

　　Families have also ___13___ changes these years. More families consist of one parent households or two working parents; ___14___, children are likely to have less supervision at home ___15___ was common in the traditional family ___16___. This lack of parental supervision is thought to be an influence on juvenile crime rates.

　　Other ___17___ causes of offensive acts include frustration or failure in school, the increased ___18___ of drugs and alcohol, and the growing ___19___ of child abuse and child neglect. All these conditions tend to increase the probability of a child committing a criminal act, ___20___ a direct causal relationship has not yet been established.

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

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

　　3. [A] interaction[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] check[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

　　答案精解

　　1.[C] centering on 　意为：以…为中心/重点”，act on(按照…行事);rely on(依赖于);comment on(评论、评述)。

　　2.[D] because (由于，因为)　　引导由or连接着的两个原因状语从句。

　　3.[A ]interaction (互动)　　assimilation(同化，吸收);cooperation(合作); consultation(咨询)。

　　4.[D] response (反应，答复) 　“(in) response (to) …”(对……的行为反应)。

　　5.[A]or(或者)。空格后as引导的为原因状语，与 in response to 引导的原因状语并列，都是“孩子们犯罪”的原因，用or 连接。

　　6.[B] ignoring (忽略，忽视)　　considering (考虑);highlighting(强调，突出);discarding(扔掉，抛弃)。

　　7.[C] for (因为，由于) for lack of 意为“由于缺少…”， on, in, with均不能和 lack搭配使用。

　　8.[D] subject (易遭受到……)。be subjedt to意为“受…支配;遭受…影响”， be immune to(不易受…影响); be resistant to(对…有抵制力)。

　　9.[A] affect (影响)。

　　10.[B] lead lead to导致， point to(指向); amount to(总数达……)。

　　11.[A] in general 一般地，大体上; on average (平均，通常); by contrast (相比而言); at length (最后;详尽地;长久地)。

　　12.[C] (in) turn 反过来。本题答案线索是：社会经济变化→青年失业或难找工作→青年的不满情绪→青年的犯罪。这是一个因果关系的链条。in case(以防万一); in short(简言之); in essence(在本质上)。

　　13.[D] experienced (经历) 　　undertaken(承担;从事)。

　　14.[B] consequently(结果，因此)　contrarily(相反); simultaneously(同时地)。

　　15.[A ] than(比)这是比较级“less … than”结构。

　　16.[B] structure (结构)。

　　17.[B] identifiable (可辨认的;可看作是相同的)。assessable (可评价或评估的); negligible (可以忽略的，不予重视的); incredible ( 难以置信的)。

　　18.[D] availability (可获得性、可得到性)　　expense(开支，费用);restriction(限制，局限);allocation(分配)。

　　19.[A] incidence (发生，影响)。Awareness(意识);exposure(暴露);popularity(流行)。

　　20.[C] although (虽然，尽管)。