对手部的骨折和脱位进行固定，下列哪项是错误的()A．关节脱位需固定3周 B．有骨折者

细小颗粒状，色红明亮，触之不染手的天然朱砂是( )

A．朱宝砂

B．镜面砂

C．豆瓣砂

D．灵砂

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．or

B．but rather

C．but

D．or else

细胞以浸润性方式生长，可以通过淋巴、血液及浆膜腔转移的肿瘤称为（）

A.肿瘤

B.恶性肿瘤

C.动态未定的肿瘤

D.性质未特指的肿瘤

E.原位癌

下列哪一项不是肾脏产生的激素（）。

A.肾素血管紧张素

B.醛固酮

C.活性维生素D

D.促红细胞生成素

E.前列腺素

阴阳消长和转化的内在依据是

A．阴阳交感

B．阴阳互藏

C．阴阳互根

D．阴阳互用

E．阴阳消长