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【单选题】
水管锅炉受热面管子破裂,可用______方法作暂时性修理。
A.
焊补
B.
用夹箍堵漏
C.
钢质锥塞堵破管两端
D.
两端有盖板的堵棒管
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举一反三
【简答题】You are free to use the resources in the library or on the Internet, but you must _______ a paper written in your own words.
【判断题】There is no need to reply if you have no interest in the enquiry.
A.
正确
B.
错误
【简答题】1岁时小儿的头围约是( )
【简答题】男性患者,50岁,患慢性支气管炎急性发作、室性早搏、室上性心动过速。[处方] 莫西沙星片 400mg qd*7 盐酸普罗帕酮片 150mg tid*7 头孢拉定 500mg tid*7用药后患者出现心律失常及QT间期延长,请问是哪个药物所致: A: 头孢拉定 B: 莫西沙星片 C: 盐酸普罗帕酮
【简答题】千兆位以太网目前制定了四种有关传输介质的标准为:()、()、()、()。
【单选题】You are free to use the resources in the library or on the Internet, but you must ________ a paper written in your own words.
A.
turn down
B.
turn in
C.
turn on
D.
turn up
【多选题】常用的气体绝缘材料有( )。
A.
氮气
B.
空气
C.
氢气
D.
六氯化硫
【判断题】On receiving the enquiry, the importer should reply to it as soon as possible.
A.
正确
B.
错误
【多选题】常用的气体绝缘材料有()
A.
B.
C.
二氧化碳
D.
六氟化硫
【单选题】You are free to use the resources in the library, but you must ________ a paper written in your own words.
A.
turn up
B.
turn down
C.
turn in
D.
turn on
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