可作为化工装置保温材料的是()。A、塑料膜 B、棉花 C、岩棉 D、丝绸

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问题:

可作为化工装置保温材料的是()。

A、塑料膜

B、棉花

C、岩棉

D、丝绸

考点:聚丙烯装置操作工聚丙烯装置操作工(初级)聚丙烯装置操作工(初级)题库
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800003读作八十万零三,8在十万位上,表示8个十万.______.

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关于蛋白质合成的错误叙述是()

A.20种氨基酸都有相应的密码

B.氨基酸以氨基与tRNA共价相连

C.氨基酸与tRNA3′端连接

D.核糖体是蛋白质翻译的场所

E.mRNA是多肽合成的直接模板

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一个新建的用户帐号一直都未登录过服务器,M2000()将该账号设置为无效或者删除。

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NAC’s (Network Access Control)role is to restrict network access to only compliant endpoints and (1) users. However, NAC is not a complete LAN (2) solution; additional proactive and (3) security measures must be implemented. Nevis is the first and only comprehensive LAN security solution that combines deep security processing of every packet at 100Gbps, ensuring a high level of security plus application availability and performance. Nevis integrates NAC as the first line of LAN security (4) In addition to NAC, enterprises need to implement role--based network access control as well as critical proactive security measures-real-time, multilevel (5) inspection and microsecond threat containment.

(2)

A.crisis

B.security

C.favorable

D.excellent

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女性,发作性喉间痰鸣气喘多年,因受寒发作1天,现症见:呼吸急促,喉中哮鸣有声,胸膈满闷如塞,咳不甚,咳吐不爽,痰稀薄色白,面色晦滞带青,口不渴,形寒畏冷,舌苔白滑,脉弦紧。其中医证型是

A.哮喘寒哮证
B.哮喘热哮证
C.哮喘肾虚证
D.寒饮伏肺证
E.风寒犯肺证

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