更多“习总书记在纪念马克思诞辰200周年的大会上发表重要讲话提到,”相关的问题
确诊脓胸的最佳检查方法是
A.胸部B超
B.胸部磁共振
C.胸部X线片
D.胸部CT
E.胸腔穿刺
点击查看答案
下列情况中，使分析结果产生正误差的是（）。
A . 以HCl标准溶液滴定某碱样，所用滴定管未洗净，滴定时内壁挂液珠
B . 某试样称量时吸潮了
C . 以失去部分结晶水的硼砂为基准物质，标定HCl溶液的浓度
D . 以EDTA标准溶液滴定钙镁含量时，滴定速度过快
点击查看答案
前苏联教育家马卡连柯说：“父母对子女所负的责任是他对（）所负的责任的一种特殊形式。”
A.社会
B.国家
C.集体
D.政府
点击查看答案
阅读材料，回答题。The Public Health SystemOne of the biggest changes since 1990 is the degree to which bioterrorism has become a public health priority.Although there had long been concern about vulnerability to biowarfare and bioterrorism the anthrax episode in the fall of 2001 made it clear that the concern is no longer theoretical.Until very recently, the important role of public health at the frontlines of bioterrorism preparedness was unrecognized.Although concern about emerging infections has helped stimulate funding for the chronically under-appreciated public health system, the threat of bioterrorism motivated the first real infusion of new money into public health indecades.Many of the capabilities needed to defend against bioterrorism are the same: as those needed to combat natural emerging infections.In both instance, the problem is an unexpected outbreak of infectious disease, of which the first indication is likely to be sick people in emergency rooms or clinics.Indeed, as with the anthrax attacks, the public health and medical responses may be under way before the true nature of the outbreak is recognized. Public health and the interface with the health care system are therefore key elements in any effective response to bioterrorism.Whether the biggest threat is natural or engineered much remains to be done.Efforts to strengthen surveillance and response worldwide and to improve communication must be accelerated and sustained.Further,we have only scratched the surface in terms of understanding the ecology of infectious diseases and developing strategies for regulating microbial traffic.We need tools for better predictive epidemiologic modeling when a new infection first appears and for better analysis of the factors that transfer pathogens across species.One encouraging development is the program in the ecology of infections diseases that was started a few years ago be the National Science Foundation in cooperation with NIH.SARS is a good yardstick of our progress during the past 13 years.The syndrome was unusual because novel infections that spread from person to person are relatively rare.Once cases were finally reported, the public health response was vigorous.WHO warned health care providers, researchers rapidly identified a candidate virus, and prototype diagnostic tests quickly became available.The vast reach of the Internet was instrumental in sharing formation and coordinating activities worldwide.Despite these advances, SARS had already spread to many countries.In fact had the disease been as transmissible as influenza, it would have invaded virtually every country in the world by the time the public health response had begun.So what SARS tells us is that although we have come long way since 1990, we still have a long way to go.The main idea expressed in the first paragraph is that__________. 查看材料
A.AlthoughB.UntilC.AlthoughD.ManyE.InF.Indeed,G.WhetherH.EffortsI.Further,weJ.WeK.OneL.SARSM.TheN.OnceO.WHOP.TheQ.DespiteR.InS.SoT.U.theV.theW.theX.bioterrorism
点击查看答案
一元强碱滴定一元弱酸时,其准确滴定(TE%≤±0.2%,ΔpH≥0.3pH)的条件是( )
A. c K a ≥106 B. c K a ≥8 C. log(c K a )≥-8 D. c K a ≥10 -9
点击查看答案
鸭嘴兽是动物界中的活化石，在动物界分布非常少见。请问，鸭嘴兽的繁殖方式是（）
点击查看答案
暗涵洞顶最小填土厚度应大于( )cm。
A．50
B．80
C．100 D．120
点击查看答案
平行移动方式的缺点包括（ ）。
A.生产周期长 B.对设备运转不利 C.运输次数多 D.组织生产比较复杂 E.一些工序在加工时，出现时干时停的现象
点击查看答案
下列行为构成非法获取国家秘密罪的有( )。
A．甲为美国的军工厂窃取我国长征三号火箭的点火技术，经鉴定，该技术属于国家秘密
B．乙接受国外间谍组织的指派，在我国境内收买经济情报
C．出租车司机丙在公安机关进行查处卖淫嫖娼专项行动时，将相关信息透露给卖淫嫖娼者，导致专项行动失败
D．计算机爱好者丁侵入教育部网站，获得即将开考的大学英语四级考试试题，自己使用，没有泄露给他人
点击查看答案
在弹簧管式压力表中，游丝的作用是为了（）
A.减小回程误差；
B.固定表针；
C.提高灵敏度；
D.平衡弹簧管的弹性力
点击查看答案
由发电厂、变电站、输配电线路、用户等在电气上相互连接组成的整体称为（)。A 电力系统B 动力系统
由发电厂、变电站、输配电线路、用户等在电气上相互连接组成的整体称为()。A 电力系统B 动力系统C 电力网
A 电力系统B 动力系统C 电力网
B 动力系统C 电力网
C 电力网
点击查看答案
码速调整技术可分为（）三种。
A.正码速调整
B.负码速调整
C.正/0/负码速调整
D.正/负码速调整
点击查看答案
H1受体阻断药的最佳适应证（）
A.支气管哮喘 B.过敏性休克 C.荨麻疹、过敏性鼻炎等皮肤黏膜变态反应 D.失眠 E.晕动病呕吐
点击查看答案
题目内容
（请给出正确答案）
参考答案
十点题库官方参考答案
（由十点题库聘请的专业题库老师提供的解答）
