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问题 单项选择题 A1/A2型题

关于寰椎描述不正确的是（）。

A.与枕髁形成寰枕关节

B.无椎体

C.由前弓、后弓和侧块构成

D.无上关节突

E.棘突长

答案

参考答案：E

解析：第1颈椎又称寰椎，呈环形，无椎体、棘突和上关节突，由前弓、后弓和两个侧块组成，上关节面特大，与枕髁形成寰枕关节。

单项选择题

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 (91) on the individual suggest that children engage in criminal behavior (92) they were not sufficiently penalized for previous misdeeds or that they have learned criminal behavior through (93) with others. Theories focusing on the role of society suggest that children commit crimes in (94) to their failure to rise above their socioeconomic status, (95) as a rejection of middle, class values.
Most theories of juvenile delinquency have focused on children from disadvantaged families, (96) the fact that children from wealthy homes also commit crimes. The latter may commit crimes (97) lack of adequate parental control. All theories, however, are tentative and are (98) to criticism.
Changes in the social structure may indirectly (99) juvenile crime rates. For example, changes in the economy that (100) to fewer job opportunities for youth and rising unemployment (101) make gainful employment increasingly difficult to obtain. The resulting discontent may in (102) lead more youths into criminal behavior.
Families have also (103) changes these years. More families consist of one-parent households or two working parents; (104) , children are likely to have less supervision at home (105) was common in the traditional family (106) . This lack of parental supervision is thought to be an influence on juvenile crime rates. Other (107) causes of offensive acts include frustration or failure in school, the increased (108) of drugs and alcohol, and the growing (109) of child abuse and child neglect. All these conditions tend to increase the probability of a child committing a criminal act, (110) a direct causal relationship has not yet been established.

A．expense

B．restriction

C．allocation

D．availability
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判断题

对党员干部的党内纪律监督，既包括党组织的监督、党员群众的监督、专职机关的监督，还包括党员干部相互之间的监督。( )
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