寒冷地区的消火栓保养应注意什么?

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问题:

寒冷地区的消火栓保养应注意什么?

考点:公司安全知识竞赛公司安全知识竞赛题库
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下列判断错误的是(  )

A.“am2<bm2”是“a<b”的充分不必要条件

B.命题“∀x∈R,x3-x2-1≤0”的否定是“∃x∈R,x3-x2-1>0”

C.若f(x)是定义在R上的奇函数,且f(x+2)也为奇函数,则f(x)是以4为周期的周期函数

D.若P∧q为假命题,则p,q均为假命题

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文中共有l0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(入),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:在错的词下划一横线,并在该词下面写出修改后的词。

注意:1.每处错误及其修改均限一词。   ’

2.只允许修改10处,多者(从第11处起)不计分。

John is studying in his room when he heard screaming. He or his father rushed to see how had happed. They discovered a woman was lying in her front garden bleeding very heavy. Her hands had almost cut off. It was John’s quick action and knowledges of fist aid that saved the woman’s life. He asked the number of nearby people for bandages and his father got some tea towels and tape from their house. John used these to treat the much severe injuries. He slowed the bleeding by apply pressure to the wounds until the police arrived. “ I am proud in what I did,” John said.

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李师傅要制作10节相同的长方体的铁皮烟囱,每节长2米,宽4分米,高3分米,至少要用多少平方米的铁皮?

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叩诊锤轻叩膝腱时出现反射减退,按0~4级评分法评定,此时的肌张力应为()

A.0级

B.1级

C.1+级

D.2级

E.2+级

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内源性宗教虔诚

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