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【单选题】
蒸气云爆炸(VCE)可能产生多种破坏效应,如冲击波超压、热辐射、破片作用等,最危险、破坏力最强的是冲击波破坏效应。使用TNT当量法计算蒸气云爆炸的超压,通过超压模型计算冲击波造成的死亡区、重伤区、轻伤区等半径,轻伤半径要求冲击波峰值超压为( )Pa。
A.
100000
B.
44000
C.
22000
D.
17000
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参考答案:
举一反三
【单选题】The author's tone in this passage is ______. ( )
A.
sympathetic
B.
doubtful
C.
critical
D.
objective
【简答题】出票人在票据上的记载事项不得有《票据法》和《支付结算办法》规定事项以外的其他事项。( )
【单选题】在纯水中,加入一些酸,其溶液的 ( )
A.
[H + ] 与 [OH - ] 乘积变大
B.
[H + ] 与 [OH - ] 乘积变小
C.
[H + ] 与 [OH - ] 乘积不变
D.
[H + ] 等于 [OH - ]
E.
以上说法都不对
【判断题】通过SCR指令,可以使某标志位继电器置位或复位,从而达到使相应步激活和失励。 ( )
A.
正确
B.
错误
【单选题】Who Decides? Whether you are a tarried parent fighting with a 14-year-old about an objectionable video or a member of the Supreme Court assessing nuanced arguments about obscenity, the task of decidin...
A.
The decision whether or not to rent from a video store an objectionable film.
B.
The decision to ban the film when found something objectionable in it.
C.
The decision to tell the 14-year-old not to see the objectionable part.
D.
The decision to protect the artistic expression of the film even objectionable.
【单选题】Who Decides? Whether you are a harried parent fighting with a 14-year-old about an objectionable video or a member of the Supreme Court assessing nuanced arguments about obscenity, the task of decidin...
A.
The decision whether or not to rent from a video store an objectionable film.
B.
The decision to ban the film when found something objectionable in it.
C.
The decision to tell the 14-year-old not to see the objectionable part.
D.
The decision to protect the artistic expression of the film even objectionable.
【单选题】公文的装订是在( )。 方
A.
左侧
B.
右侧
C.
正上方
D.
左上
【单选题】The authors attitude towards loosening the control over kids is______.
A.
confident
B.
objective
C.
critical
D.
supportive
【单选题】下列哪项不属于依据红细胞平均值进行的贫血形态学分类
A.
正常细胞性贫血
B.
大细胞性贫血
C.
小细胞低色素性贫血
D.
巨细胞性贫血
E.
单纯小细胞性贫血
【判断题】气动夯管锤铺管施工过程中,现场勘察包括地表勘察、地下勘察
A.
正确
B.
错误
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