轨道板纵向封边采用5mm厚钢板用侧向角钢压紧固定,内衬透气布以防漏筋,沿钢板纵向每(

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问题:

轨道板纵向封边采用5mm厚钢板用侧向角钢压紧固定,内衬透气布以防漏筋,沿钢板纵向每()cm设置一处20*3cm透气孔。

A、30

B、40

C、50

考点:证券从业资格考试无砟轨道工程施工无砟轨道工程施工题库
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耗竭性资源的主体是( )。

A.水资源
B.经济资源
C.人文社会资源
D.矿产资源

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短文改错(共10小题,每小题1分,满分10分)

假如英语课上老师要求同桌之间交换修改作文,请你修改你同桌写的以下作文。文中共有10处语言错误,每句中最多有两处。每处错误仅涉及一个单词的增加、删除或修改。

增加:在缺词处加一个漏字符号(^),并在其下面写出该加的词。

删除:把多余的词用斜线(\)划掉。

修改:在错的词下面划一横线,并在该词下面写出改正后的词。

注意:

1.每处错误及其修改均仅限一词;

2.只允许修改10处,多者(从第11处起)不计分。

My parents decided to make a trip to Beijing. When they told me their decisions, I was so delighted. But my mother became worried with her flower, for nobody would take care of it. Seeing the worrying expression on her face, suddenly I remembered that an article in a magazine I had read earlier. It’s suggested in the article that people used a piece of cloth to take care of their plants when you are away. On the day we set off, I found a piece of cloth and put one end of them into the basin, which is full of water, and the other end into the flower pot. Three days later, while we came back from Beijing, flower was still alive.

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无欲

题型:单项选择题

安装了加油站计量管理系统的加油机硬盘内碎片太多会影响速度,应定期利用系统工具对磁盘进行扫描和整理。

题型:单项选择题

男性,40岁,既往风湿性心脏病主动脉瓣关闭不全,因劳力型呼吸困难1周来诊。体检:心脏向左下扩大,胸骨左缘第3、4肋间有舒张期哈气样递减型杂音,心尖部有Austin-Flint杂音。

急性左心衰竭的治疗,下列哪些是最主要的()

A.强心利尿扩血管药物

B.吸氧、休息、低盐饮食

C.平喘、止咳、化痰

D.利尿药+氯化钾

E.极化液

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