下列关于固定动火区设立条件的说法正确的是_。A.固定动火区距可燃、易爆物质的堆场、仓

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问题:

下列关于固定动火区设立条件的说法正确的是_。

A.固定动火区距可燃、易爆物质的堆场、仓库、贮罐及设备的距离应符合防火规范的规定

B.动火区若设在室内,应与防爆区隔开,不准有门窗串通。允许开的门、窗都要向内开,各种通道必须畅通

C.固定动火区周围不得存放易燃、易爆及其他可燃物质,少量的有盖桶装电石、乙炔气瓶等可以存放

D.动火区要有明显的标志

考点:安全生产技术第九章危险化学品安全技术第九章危险化学品安全技术题库
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The tutor(导师)asked his students to leave a wide ________ when typing their essays.

A.border

B.column

C.surrounding

D.margin

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X、Y、Z、M四种金属,已知X可以从Y的盐溶液中置换出Y:X和Z作原电池电极时,Z为正极;Y和Z的离子共存于电解液中,Y离子先放电;M的离子的氧化性强于Y的离子.则这四种金属的活动性由强到弱的顺序为(  )

A.X>Y>Z>M

B.X>Z>M>Y

C.M>Z>X>Y

D.X>Z>Y>M

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企业经营活动产生的现金不足以偿付到期债务本息,企业必须对外筹资或出售资产才能偿还债务,则到期债务本息偿付比率()。

A.小于1

B.大于1

C.等于1

D.不确定

题型:多项选择题

Picasso,the famous Spanish painter,was born in 1881.His father was an art teacher.Picasso began to paint very early.He was admitted to the Royal Academy of Art at the age of 15.After 1900,he spent much time in Paris,living there to 1947,then he moved to the south of France.

Throughout his career,Picasso moved from style to style with ease.He practised sculpture illustrated books and also showed great interest in pottery design and other fields of art.

Picasso produced a great number of drawngs in his life.No later artist of the school of Paris has replaced him in international influence.

Picasso is generally considered to be the foremost figure in the 20th century French art.His paintings are now exhibited in leading European and American galleries.

小题1:The main idea of the passage is_________.

A.Picasso is considered to be the foremost figure in the 20th century French art

B.Picasso is a famous Spanish painter

C.Picasso spent much time in Paris,living there from 1940 to 1947

D.Picasso’s life and art小题2:How long did he stay in Spain and France?

A.15 years in Spain and 43 years in Paris.

B.15 years in Spain and the rest of life in Paris.

C.Over 19 years in Spain and the rest of life in Paris.

D.He didn’t stay so long in Paris.小题3:Picasso moved from style to style with ease.It seems _________.

A.he did not like only one style

B.he changed his style without difficulty

C.he not only liked sculpture,but also liked pottery design

D.he showed great interest in other fields of art小题4:His paintings are now exhibited in leading European and American galleries,because _________.

A.he was a Spanish artist

B.he was a French artist

C.he was famous in French art

D.he produced a great many wonderful drawings in different styles

题型:多项选择题

女性,50岁,午后发热伴咳嗽、痰中带血1周,体检:左肩胛间区有湿啰音,血沉50mm/h,血白细胞10.0×109,N:0.78,胸片示左上肺斑片阴影伴1cm×1cm透光区

患者阵咳后突然胸痛、呼吸困难,大汗发绀,心率140次/分,呼吸36次/分,左胸叩诊呈鼓音,左肺呼吸音消失,考虑的并发症是()

A.肺栓塞

B.急性左心衰

C.急性呼吸窘迫综合征

D.重症肺炎

E.自发性气胸

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