由下向上施工()以上的斜巷时,必须将溜矸(煤)道与人行道分开。人行道应当设扶手、梯子

题型:单项选择题

问题:

由下向上施工()以上的斜巷时,必须将溜矸(煤)道与人行道分开。人行道应当设扶手、梯子和信号装置。

A.25°

B.28°

C.26°

D.30°

考点:安全生产管理知识第二节煤矿安全生产监察第二节煤矿安全生产监察题库
题型:单项选择题

短文改错(共10小题; 每小题1分, 满分10分)

文中有10处语言错误, 每句中最多有两处。错误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仅限一词;

2.只允许修改10处, 多者(从第11处起)不计分。

A minister was asked to dinner by one of his friend, which he knew was an untidy housekeeper. When he sat down at the table, he notices that the dishes were the most dirtiest he had ever seen in his life. “Were these dishes ever washed?” she asked. His friend replied, “They’re as cleanly as soap and water could get them.” He was a bit worried, so the food smelt so good that he couldn’t wait to start eat. He was happy, as the food was delicious, even though the dishes were dirty. Before dinner was over, his friend took the dishes outside and shouted her dogs,” Here, Soap! Here, Water!”

题型:单项选择题
关于电阻率的说法,正确的是(  )

A.电阻率ρ越大的导体,电阻可以很小

B.电阻率ρ表征了导体材料的导电能力的强弱,由导体的长度决定,与温度无关

C.电阻率ρ与导体的长度L和横截面积S有关

D.超导材料的电阻率一定为零

题型:单项选择题

小东和小霞一起购物时,小东随手买下一个塑料袋。小霞说“你家里的塑料袋怎么不带上”?小东随口说:“反正才二毛钱,没关系的”。对小东的言行正确的是 [ ]

①我们不能像小东盲目攀比 ②小东应注意节约 ③购买塑料袋时应考虑到环保因素 ④小东作出法律禁止做的事

A、①②③

B、②③

C、②③④

D、①②③④

题型:单项选择题

产品责任保险承保的是被保险人的经济赔偿责任,而不是有固定价值的资产。因此,保险单均不规定( )。

A.保险金额

B.赔偿限额

C.保险准备金

D.保险定额

题型:单项选择题

慢性喉炎最主要的临床症状是()

A.声嘶

B.高热

C.头痛

D.咳嗽多痰

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