| There is something that our bodies must
not have. We do not want to have illness or disease. When we are ill, we stay in
bed. We can’t work and we can’t play. We feel ill and we are unhappy. There is something that our bodies must not have. We do not want to have illness or disease. When we are iii, we stay in bed. We can’t work and we can’t play. We feel iii and we are unhappy. One cause of illness and disease is dirt. Dirt causes illness. If we want to see how dirt causes disease, we need a microscope. When we look at some dirt through a microscope，we can see germs．Dirt is full of germs but they are too small to see without a microscope．They are very，very small but they are alive．They can go inside things．When germs go inside fruit，the fruit becomes bad．We can’t eat it．When germs get in side milk，the milk becomes sour．We cannot drink it． When [单选题]SVT无法分析且票务ID缺失(ID被磨花、无ID及ID.不完整)时车站为乘客办理OP103,同时填写《无效车票信息记录表》告知乘客次日起()个工作日计三十天内持本收据到指定车站办理。
A. 五 B. 六 C. 七 D. 十五 [判断题]自动漏电保护器，它是照明消防车整个供电系统的电源总开关和电路的安全保护元件，当系统或输出线路有漏电，短路，和触电发生时，它自动切断整个系统的电源，达到安全保护。( )
A.正确 B.错误 [单项选择]美国的国家临床实验室标准委员会（NCCLS）用于临床化学干扰实验的文件是（）
A. EP5－A B. EP6－P2 C. EP7－P D. EP9－A E. EP10－A [简答题]双级系统由于突然停电，停水的处理。
[单选题](27979)精孔钻一般分两次钻出，第一次先钻出孔径，留有（ ）的余量，然后用精孔钻加工孔径。
A.1～2 mm B.0.5～1 mm C.0.3～0.5 mm D.0.1～0.5 mm [填空题]每条假币收缴汇总数据来源于报送行报告期内假币收缴凭证的汇总信息,分为())两部分。
[单选题]普规规定：列车调度指挥系统（TDCS）和调度集中系统（CTC）区段，车站应采用（ ）。
A.非集中联锁 B.集中联锁 C.色灯电锁器联锁 D.臂板电锁器联锁 [判断题]在串联电路中,电路总电压等于各电阻的分电压之和。
A.正确 B.错误 我来回答: 提交
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