隧道防火涂层外观要求平整、光洁、无漏涂、粗糙、凹凸不平现象。每米厚度差不应大于(),

题型:单项选择题

问题:

隧道防火涂层外观要求平整、光洁、无漏涂、粗糙、凹凸不平现象。每米厚度差不应大于(),涂层不应出现裂缝,如有裂缝,其裂缝宽度不应大于()。

A、3mm;1.5mm

B、5mm;1.5mm

C、5mm;2mm

D、3mm;2mm

考点:消防中介人员资格考试消防中介人员资格考试题库
题型:单项选择题
Every scientist has a childhood dream. A scientist in China once had a(n)       . He wished to grow a new type of rice which could produce a lot. This person is Yuan Longping        was born in 1930. He graduated from the Southwest Agricultural(农业) University in 1953. Yuan Longping came up with an idea for a hybrid rice in the 1960s. Since then, he has devoted himself to the research and development of new varieties(品种).
In 1973, together with other people, he        in the development of hybrid rice. This made China be a worldwide leader in rice production. For this, he was called Father of Hybrid Rice. In 1980, the technology for hybrid rice was        to the United States.        Professor Yuan’s hard work, China now produces enough rice to       her people every year.
In his spare time, he loves playing        violin and listening to music. Every night, he reads        half an hour before he goes to sleep. He likes swimming, too.
It is said that Professor Yuan is one of the        people in China. And he cares about       but his research.
Now Professor Yuan is working on developing super hybrid rice. He goes to the fields twice a day.
小题1:
A.dreamB.ideaC.thoughtD.will
小题2:
A.whereB.whomC.whichD.who
小题3:
A.successB.succeededC.successfullyD.successful
小题4:
A.givenB.grownC.showedD.introduced
小题5:
A.Because ofB.BecauseC.In orderD.For
小题6:
A.look afterB.feedC.sendD.fed
小题7:
A.anB./C.aD.the
小题8:
A.onB.inC.forD.to
小题9:
A.poorestB.richestC.cleverest D.most careful
小题10:
A.everythingB.anythingC.nothingD.something
题型:单项选择题

一个角的余角和它的补角互为补角,则这个角等于[ ]

A.30° 

B.45° 

C.60°  

D.75°

题型:单项选择题

我国植保方针为()和()。

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运行变压器油中溶解气体故障分析时,考查产气速率时应注意哪些事项?

题型:单项选择题

低碳钢与低合金结构焊接时,焊接材料选择的原则是()。

A.强度低于低碳钢

B.塑性高于低合金结构钢

C.韧性不低于被焊钢种的最低值

D.强度、塑性和韧性均不低于被焊钢种的最低值

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