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【简答题】
甲、生产同一零件,均选用45钢,硬度要求为220~250HBS,甲厂采用正火,采用调质处理,均能达到硬度要求,试分析甲、产品组织和性能的差别。
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举一反三
【单选题】--Were you surprised by the ending of the film? --No. I _____ the book, so I already knew the story. [ ]
A.
was reading
B.
had read
C.
would read
D.
has read
【单选题】面对当前国际形势，中俄两国建立了（ ）
A.
新时代全面战略协作伙伴关系
B.
新时代全面战略同盟伙伴关系
C.
面向2 1 世纪全面战略协作伙伴关系
D.
面向2 1 世纪全面战略同盟伙伴关系
【单选题】患者,男性,52 岁,5 年前出现皮肤瘙痒和黄疸,诊断为原发性胆汁性肝硬化。近 2 周黄疸加重,出现大量腹水,护士应采取的护理措施除外
A.
按医嘱给予利尿药,观察尿量的变化
B.
指导患者半卧位,以减轻呼吸困难
C.
按时测量腹围
D.
严格限制进水量,每日约 1000ml,准确记录 24 小时出入液量
E.
低盐饮食,限制每日食盐 5g
【单选题】I knew a lot about the subject already, but her talk was interesting nevertheless.
A.
however
B.
yet
C.
already
D.
still
【单选题】—Time flied before we knew it! It is already 12 o'clock. —Oh, really? I _______ it at all. [ ]
A.
haven't realized
B.
didn't realize
C.
hadn't realized
D.
don't realize
【单选题】I___the book,so I already knew the story.
A.
was reading
B.
had read
C.
am reading
D.
have read
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