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【单选题】
混凝土若已发生离析，必须在浇筑前按保持（）不变原则进行二次搅拌。A.
水泥用量
B.
缓凝剂用量
C.
水灰比
D.
速凝剂用量
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举一反三
【简答题】什么是金包银?
【单选题】在 WINDOWS 操作系统中,有两个对系统资源进行管理的程序组,它们是“资源管理器”和( )
A.
“”回收站“”
B.
“”剪切板“”
C.
“”我的电脑“”
D.
“”我的文档“”
【简答题】包银材料制的伞骨___________
【简答题】枝形吊灯(以钢铁为底的包银材料制成) ( )
【单选题】Which statement about the "Wars of Roses" is NOT true?
A.
The king's power now became supreme.
B.
Ordinary people were seriously affected.
C.
The wars were waged intermittently for 30 years.
D.
From these wars feudalism received its death blow.
【单选题】电击伤现场急救,错误的是
A.
立即使患者脱离电源
B.
如患者仍抓着电线,抢救者应将患者推开
C.
如衣着在燃烧应将其扑灭
D.
如有心跳骤停应及时抢救
E.
有合并伤者应一并处理 最易引起心室
【单选题】Which one of the following is not a reason why the next round of wars shouldnt involve Europeans?
A.
Europe's military strength has been exceeded by Asian countries.
B.
European countries lack natural resources.
C.
Europe simply does not want to rule the world again.
D.
European countries hold religious beliefs that propose wars.
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