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
答案和解析
1.A 由文中第一行的digital divide得出答案。
2.B obscure模糊的，不清楚的；visible看得见的，明显的；invisible看不见的；indistinct不清楚的，模糊的。空格前的less已有否定意义
3.A force力量，武力；obstacle障碍；event事件；surprise惊奇，诧异。句意：现在有新的、乐观的力量来对抗数字鸿沟。
4.C seriously认真地；entirely完全的；actually实际上；continuously连续地。
5.B negative消极的；optimistic乐观的；pleasant令人愉快的；disappointed令人失望的。前文说有积极的力量在对抗数字鸿沟的不利因素，因此，实际上我们有理由保持乐观的态度。
6.D develop发展；centralize集中；realize认识到；commercialize使商业化，由下文“网络有利于商业途径的普及”，可知此处表述的意思是网络越来越商业化。in the interest of...为了...的利益
7.C user使用者；producer生产者；customer消费者；citizen公民。句意：越多的人上网就有越多的潜在消费者。
8.B enterprise企业，事业；government政府；official官员；句意：越来越多的政府害怕他们的国家...
9.D leave behind 留下，超过与leave相关的短语：leave aside把某事搁置一边leave out 省去，遗漏，不考虑leave off 停止，不再穿
10.A 网络把人们联系在一起，选netted
11.B decrease减少，narrow变窄；neglect忽视，疏忽；low降低 句意：因此，我现在认为数字鸿沟是在变窄而不是在拓宽
12.D contain包含，容纳；prevent防止，阻止；keep保留，保持；combat战斗，搏斗
13.C win赢得；detail详述，细说；defeat击败，战胜；fear畏惧。
14.A enormous巨大的；countless无数的；numerical数字的。potential作名词为不可数，不能用countless修饰，big一般表示尺寸、数字、范围上的大。
15.D take advantage of 利用
16.B with respect to 关于，至于 with也可换成in.表示关于的还有with regard to,concerning等。
17.C offence冒犯；investment投资；invasion入侵；insult侮辱
18.C construction建筑；facility设备；infrastructure基础设施；institution公共机构，制度。从后文中出现的infrastructure可以轻易得到答案。
19.A 表语从句，表示原因，“这也就是为什么...”
20.D concerning关于；concluding结束的；according根据；including包括、
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