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【单选题】
中低强度等级钢筋不宜作为预应力钢筋是因为A.
与高强度等级混凝土不
B.
不能有效提高构件的承载力
C.
弹性模量小
D.
有效预应力低
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反馈参考答案：
举一反三
【多选题】下列关于焊条中间金属丝-焊芯表述正确的是
A.
分解出气体保护焊接区域
B.
与焊钳-电源连接，导电形成通路
C.
熔化形成熔渣保护焊接区
D.
熔化形成液态金属，填充焊缝
【简答题】Commonsense principles are applied to the design of toasters, lawn mowers and mobile phones to ______.
【单选题】Right now, the laws can only summarize commonsense principles so as to ______.
A.
deal with possible robot-related lawsuits
B.
limit the number of robots production
C.
monitor the disposal of dangerous robots
D.
reduce the chance of injury caused by robots
【单选题】病人,女性,36岁。突发性头晕、头痛伴恶心、呕吐入院,入院后诊断为高血压性脑出血,医嘱要求脱水治疗,首选的液体是
A.
低分子右旋糖酐
B.
中分子右旋糖酐
C.
代血浆
D.
浓缩白蛋白
E.
20%甘露醇
【简答题】A．recognition B．intelce C．rationality D．commonsense
【单选题】Among the reasons of the adoption of the 'commonsense consumption' law in many states, which of the following statements is NOT true?
A.
A great number of lobbyists did the majority of the work.
B.
The executives of the large companies lobby for the law personally.
C.
The large companies bribed the lawmakers.
D.
The law is the result of an organized effort.
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