人工清理煤仓要按安全技术措施执行。

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问题:

人工清理煤仓要按安全技术措施执行。

考点:压滤机工压滤机工题库
题型:判断题

A frog (青蛙) is born in a small river.When he is young,the river is his home.He doesn’t know his parents,but he has hundreds of brothers and sisters.He swims about and plays with them all the time.At that time,he doesn’t look like his parents.He has no legs and he has a big tail (尾巴).So he looks like a fish.

Later,his tail gets shorter and shorter.And he has four legs and a very short tail.He looks like his parents now. Then, he’s going to eat a lot of bad insects (害虫).

小题1:Where is a frog born?

A.On a farm.

B.On the land.

C.In the river.

D.In the sea.小题2: Which of the following is right.'?

A.A baby frog stays at home and knows only his parents.

B.A baby frog looks like a bird and he knows his parents.

C.A baby frog looks like his parents but he doesn't know them.

D.A baby frog looks like a fish and he has a lot of brothers and sisters.小题3:Who does a frog play with all the time?

A.His parents.

B.His brothers and sisters.

C.Fish.

D.Insects.小题4:A frog has              .

A.four legs and a very short tail

B.four legs but he has a long tail

C.no legs but he has a long tail

D.no legs and he looks like a fish小题5:A baby frog              .

A.can't swim

B.can't eat bad insects

C.has no tail

D.can eat bad insects

题型:判断题

潜水员在深水下所呼吸的气体有一类是由氢气、氦气和下列气体中的另一种气体按一定比例混合而成的人造空气,则另一种气体是[ ]

A.氧气

B.氮气

C.二氧化碳

D.天然气

题型:判断题

《变压器、高压并联电抗器和母线保护及辅助装置标准化设计规范》规定,为简化电压切换回路,提高保护运行可靠性,双母线接线形式变压器间隔宜装设三相PT。

题型:判断题

列哪些是ISM规则的内容()。

Ⅰ.船舶设备的维护和保养;

Ⅱ.建立和控制与安全管理有关的文件和资料,编制“安全管理手册”;

Ⅲ.定期进行公司内部审核;

Ⅳ.主管机关的发证和监督审核。

A.Ⅰ—Ⅳ

B.Ⅱ—Ⅳ

C.Ⅰ—Ⅲ

D.Ⅰ、Ⅱ、Ⅳ

题型:判断题

仅当图形使用命名打印样式表时才可以修改对象的()。

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