管道不停输封堵作业时,气体介质流速不应大于()A、5m/s B、8m/s C、10m/s

题型:单项选择题

问题:

管道不停输封堵作业时,气体介质流速不应大于()

A、5m/s

B、8m/s

C、10m/s

D、6m/s

考点:压力管道作业带压封堵带压封堵题库
题型:单项选择题
短文填空:选择恰当的单词填空,每词限用一次。(有两个多余的选项)
when  their  even  feel  behave or modern  hours  speak  classical
     Where did you go yesterday? Did you hear music at any of these places? Today most stores and
restaurants play music. You might even hear music in an office 1_______ on a farm.
     Scientists believe that music influences the way people 2_______. According to some scientists, the
sound of western classical music (Mozart and Bach) makes people 3_______. richer. When a restaurant plays
classical music, people spend more money on food and drinks .When the restaurant plays 4_______ music,
people spend less money .With no background music, people spend 5_______ less.
     Scientists also believe that loud, fast music makes people eat faster. People actually chew 6_______ food
faster when the music gets faster .Some restaurants play fast music during their busy 7_______.This gets
people to eat faster and leave quickly .Restaurants can make more money this way.
     Some scientists think that makes you think and learn better. They say that music helps students to be
more alert. It is true that people learn better 8_______ they are relaxed. And listening to music can help you
relax.
    The next time you hear music somewhere, be careful. It might change the way you behave.
题型:单项选择题

选出下列字形有误的一项:( )

A.绮丽哈达炮烙症结

B.装载记载宣染伺候

C.赊帐不啻戡乱干涸

D.折耗笃信札记债券

题型:单项选择题

患者,14岁,外耳及周围皮肤奇痒,伴烧灼感,挖耳后流出黄色水样分泌物,未诉耳痛,听力下降,检查患处红肿,散在红斑、粟粒状丘疹、小水疱;丘疹水疱破裂后,有淡黄色分泌物流出,皮肤为红色糜烂面。最可能的诊断是()

A.丹毒

B.急性湿疹

C.亚急性湿疹

D.慢性湿疹

E.化脓性中耳炎

题型:单项选择题

在个人住房贷款时,常用还款方式是( )。

A.到期一次还本付息法

B.等额本息还款法

C.等比累进还款法

D.等额累进还款法

题型:单项选择题

推动教育学发展的内在动力是( )。

A.教育规律

B.教育价值

C.教育原则

D.教育问题

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