更多“A．痰结核菌检查B．胸部X线检查C．胸部CT检查D．结核菌素”相关的问题
标准分数是以( )为单位，表示一个分数在团体中所处的相对应的位置数。
A．方差
B．标准差
C．百分位差
D．平均差
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下列不是维持DNA二级结构的作用力的是（ ）。
A.氢键 B.疏水作用力 C.碱基堆积力 D.醚键
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适合血细胞比容测定的抗凝剂是( )
A. 草酸钾B. 肝素C. EDTA-K 2D. 双草酸盐E. 枸橼酸钠
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听力原文：M: Good morning, Doctor.W: Good morning, Mr. Smith. What can I do for you?M: I fe
听力原文：M: Good morning, Doctor. W: Good morning, Mr. Smith. What can I do for you? M: I feel there's something wrong with me, but I'm not sure. W: Could you explain more? M: I usually get a runny nose, watery eyes, scratchy throat and other symptoms on Monday. It will last for the following five days. And since I'm terribly busy with my work, I won't have time to see the doctor. But when I do have time to see tile doctor on weekends, the symptoms will disappear all of a sudden! W: And you will get same symptoms again next Monday? M: Exactly. W: How long have you been like this? M: About one month. W: Did anything special happen during the past four weeks? M: Nothing special. Oh, wait! My company has moved from the old address to the present -Mount Plaza. W: Do your colleagues have the same trouble with you? M: Well, some of them. W: I see. You must be suffering from so-called sick building syndrome. M: Sick building syndrome? You mean the building got sick and we have been infected? W: You may put it that way. When a new building is just finished, the chemical vapors being given off by the glue, paint and other construction materials and moisture can't escape, the building, just like people, can't breathe properly. So it gets sick. M: And these chemical vapors may be very irritating to people. W: Some of them can even lead to cancer. M: That's terrible. How long has the man suffered from the symptoms he described? A．One week. B．One month. C．Two months. D．Half a year.
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护士再填写输血登记本时不需要记录的内容是 A.输血的时间 B.血制品种类，剂量，血型 C.输注条件 D.血袋号 E.有无血反应
A.输血的时间B.血制品种类，剂量，血型C.输注条件D.血袋号E.有无血反应
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在数据通信中，数据信息采用（）形式来传送。
A . A、二进制
B . B、十进制
C . C、八进制
D . D、十六进制
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根据劳动合同法律制度的规定，关于竞业限制的规定，下列说法不正确的是______。
A.劳动者违反竞业限制约定，应当按照约定向用人单位支付违约金
B.劳动者违反竞业限制约定，给单位造成损失的，应当承担赔偿责任
C.约定竞业限制的，在劳动关系解除或终止后，用人单位可以不给予相应的经济补偿
D.竞业限制的人员限于用人单位的高级管理人员、高级技术人员和其他负有保密义务的人员
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制作该支架的下述说法中不正确的是（）。
A.该支架可采用带模铸造
B.该支架必须设置内外阶台
C.该支架的大连接体必须与口腔黏膜贴合
D.该支架必须设置加强带
E.该支架可以不设置加强带
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期货市场具有规避风险的功能，这主要是因为（）。
\tA.在期货市场上可以进行套期保值操作
\tB.期货市场具有价格发现的功能
\tC.期货市场是有组织的规范化的市场
\tD.期货市场和现货市场走势具有趋同性
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World Crude Oil Production may Peak a Decade Earlier Than Some PredictIn a finding that may spee...Which of the following is closest in meaning to the word "sparked" appearing in Paragraph 2
A．flashed
B．stimulated
C．changed
D．ended
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站内每个区段设置一个方向切换继电器（FQJ），控制轨道电路发码方向，TCC对股道或进站信号机接近区段的FQJ进行双采，对其他站内区段的FQJ进行单采。
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（）对芥子油糖苷有较强的趋性。
A.斜纹夜蛾
B.甜菜夜蛾
C.菜粉蝶
D.小菜蛾
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系统发生接地时，（）用隔离开关操作消弧线圈。
A.可以
B.禁止
C.不提倡
D.故障电流不大时可以
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求微分方程xy’+y=xex满足y(1)=1的特解．
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