16路输出驱动电路板的主要作用是什么?

题型:问答题 简答题

问题:

16路输出驱动电路板的主要作用是什么?

考点:铁路信号工信号工应知应会信号工应知应会题库
题型:问答题 简答题

根据所给的首字母填写单词。

     Many teenagers have problems that they worry about a lot. Some do not learn their school subjects well.

Some are good at learning but are doing so poorly in sports that they are often called 'bookworms'. So many

teenagers suffer from stress. The good news is that there are some simple ways to (1)d______ with stress.

     Firstly, eating a (2)h______ diet, getting enough sleep and doing exercise are very important. (3)H______

can we be happy if we are in poor health?

     For schoolwork, planning ahead can help. Making a (4)p______ or list of the things they need to do and

planning when to do them can help students (5)o______ their time. If you are weak in a subject, studying

hard and asking a teacher for (6)a______ can help.

     Students should pay (7)n______ attention to people who laugh at them. Instead, they should think about

the things they are good at.

     Then students should also make (8)e______ time for their hobbies. Playing sport, reading and watching

films help them feel better.

     (9)F______, it is suitable for teenagers (10)s______ their problems with their friends and parents. They

will feel less stressed by talking to others.

题型:问答题 简答题

确诊一氧化碳中毒的主要依据是

A.血液中还原血红蛋白量大于50 g/L
B.血液中还原血红蛋白量大于70 g/L
C.血液胆碱酯酶活性降低
D.血液检查碳氧血红蛋白定性阳性
E.血液中氧分压降低

题型:问答题 简答题

人民币现金归行的渠道主要有()。

A.工资收人 

B.商品销售收人 

C.服务事业收人 

D.财政税收收人 

E.外汇收人

题型:问答题 简答题

[复合型非选择题]患者男,40岁,因“双下肢进行性瘫痪,伴排尿障碍1d”来诊。发病前有低热不适,数小时内症状迅速出现。查体:剑突以下深、浅感觉障碍,双下肢松弛性瘫痪;尿潴留。

病变定位于()

A.脊髓高位颈段

B.脊髓颈膨大

C.脊髓上胸段(T1~T6)

D.脊髓下胸段(T8~T12)

E.脊髓圆锥

题型:问答题 简答题

DCS操作键盘上,控制点组的英文缩写为()。

A、GROUP

B、TREND

C、SCHEM

D、DISP

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