[不定项选择题]-我要搜题网

[单选题]ADC内的频率调制压力传感器的作用是（）
A. 将感受到的全压或静压的气压信号变换成直流电信号，供内部计算使用
B. 将感受到的全压或静压的气压信号变换成正弦或余弦交流信号，供内部计算使用
C. 将感受到的全压或静压的气压信号变换成频率调制信号，由频率-数字转换器转换成数字信号，供计算使用
D. 将感受到的全压或静压的气压信号变换成模拟信号，由模拟-数字转换器转换成数字信号，供计算使用

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[单选题]当电容器( )外熔断器熔断时，运维人员应立即申请停运。
A.1根及以上
B.2根及以上
C.3根及以上
D.4根及以上

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[判断题]要将《廉政准则》列为党员领导干部教育培训的重要内容。

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[单项选择]To be a good teacher, you need some of the gifts of a good actor, you must be able to hold the attention and interest of your audience; you must be a clever speaker, with a good, strong, pleasing voice which is fully under your control and you must be able to hold what you are teaching in order to make its meaning clear. The fact that a good teaches’ has some of the gifts of a good actor doesn’t mean that he/rill indeed be able to act well on the stage, for there are very important differences between the teacher’s work and the actor’s. The actor has to speak words which he has learnt by heart; he has to repeat exactly the same words each time he plays a certain part, even his movements and the ways in which he Uses his voice are usually fixed beforehand. What he has to do is to make all these carefully learnt words and actions seem natural on the stage.
A good teacher works in quite a different way. His audience takes an active part in his play: they ask and answer questions, the
A. A teacher has to learn by heart what exactly he is going to say in class.
B. A teacher can not decide beforehand what exactly he is going to say in class.
C. A teacher’s voice must be nicer than an actors.
D. A teacher must have a better memory than an actor.

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[判断题]电阻并联时的等效电阻值比其中最小的电阻值还要小。( )
A.正确
B.错误

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[填空题]正线线路和道岔（调节器）的钢轨探伤周期规定，50kg／m钢轨钢轨年通总质量50＞W年≥25Mt，每年年探伤年探伤( )遍。

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[单项选择]败毒散中配伍人参的用意是（）
A. 补气培土生金
B. 扶正鼓邪外出
C. 益气以资汗源
D. 益气以利血行
E. 益气以助固表

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[简答题]种子层积处理，怎样作法？

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[判断题]《铁路旅客运输管理规则》规定，电务、车辆部门应按各自的职责范围保证各项设备质量良好，并与客运部门逐项办理交接。列车始发终到时，电务部门应派人接送列车。
A.正确
B.错误

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[单选题]什么时间吃水果比较好
A.饭后食用
B.饭前食用