Section II Use of English（满分10分） Directions: Read the following text. Choose the best word(s) for each numbered blank and mark A,B,C or D on ANSWER SHEET 1. (10 points)
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 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.


21、
 A. acting
 B. relying
 ing
 D. commenting


22、
 A. before
 B. unless
 
 D. because


23、
 A. interactions
 B. assimilation
 ation
 D. consultation


24、
 A. return
 B. reply
 nce
 D. response


25、
 A. or
 B. but rather
 
 D. or else


26、
 A. considering
 B. ignoring
 ghting
 D. discarding


27、
 A. on
 B. in
 
 D. with


28、
 A. immune
 B. resistant
 ive
 D. subject


29、
 A. affect
 B. reduce
 
 D. reflect


30、
 A. point
 B. lead
 
 D. amount


31、
 A. in general
 B. on average
  contrast
 D. at length


32、
 A. case
 B. short
 
 D. essence


33、
 A. survived
 B. noticed
 aken
 D. experienced


34、
 A. contrarily
 B. consequently
 rly
 D. simultaneously


35
 
 B. that
 
 D. as


36、
 A. system
 B. structure
 t
 D. heritage


37、
 A. assessable
 B. identifiable
 ible
 D. incredible


38、
 A. expense
 B. restriction
 tion
 D. availability


39、
 A. incidence
 B. awareness
 re
 D. popularity


40、
 A. provided
 B. since
 C. although
 D. supposing