()是指全国或某一地区若干图书馆所藏文献的目录。

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问题:

()是指全国或某一地区若干图书馆所藏文献的目录。

考点:图书馆、情报与文献学图书馆学图书馆学题库
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HIV感染者,近1个月出现发热、咳嗽,咳痰为白色,经头孢菌素及红霉素抗感染治疗1个月无好转,胸片为双下肺斑片状密度增高影,对于该患者应考虑为合并()

A.真菌感染 

B.肺炎支原体肺炎 

C.病毒感染 

D.肺炎球菌性肺炎 

E.军团菌肺炎

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确定早期妊娠最重要的标志是()

A.停经

B.超声检查

C.血液或尿液hCG定性

D.血液或尿液hCG定量

E.双合诊发现子宫增大

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十七大报告指出:事实雄辩地证明,改革开放是决定当代中国命运的关键抉择,是发展中国特色社会主义、实现中 * * 伟大复兴的必由之路;只有社会主义才能救中国,只有改革开放才能发展中国、发展社会主义、发展马克思主义。 结合教材知识回答:为什么说只有改革开放才能发展中国?

                                                                                                                                                            

                                                                                                                                                           

                                                                                                                                                            

                                                                                                                                                           

                                                                                                                                                           

                                                                                                                                                            

                                                                                                                                                            

                                                                                                                                                            

                                                                                                                                                             

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一根长20cm的蜡烛(上下均匀),下方挂一小铁块(铁块的体积不可忽略),放入水中,蜡烛有1cm长露出了水面(且竖直),现在点燃该蜡烛,直到被水熄灭为止.(设烧到与水面平齐处即被水熄灭),可被燃烧掉的蜡烛长度为______cm.(ρ=0.8×103kg/m3

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简述营养性缺铁性贫血的患儿在口服铁剂时应注意的事项

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