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【判断题】
按电流或电弧对人体的伤害方式分类,可以将触电分为电击伤和电灼伤。()
A.
正确
B.
错误
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【多选题】低碳钢最重要的2个强度指标有哪些?
A.
弹性极限
B.
屈服极限
C.
抗拉强度
D.
抗压强度
【单选题】在powerpoint 2010中,下列有关幻灯片放映叙述错误的是( )。
A.
可自动放映,也可人工放映
B.
放映时可只放映部分幻灯片
C.
可以将动画出现设置为“在上一动画之后”
D.
无循环放映选项
【单选题】Knowing that σ 1j represents the critical stress of the pressed column, which of the following statements is correct?
A.
should not exceed the limit of proportionality of the material.
B.
should not exceed the elastic limit of the material.
C.
should not exceed the yield limit of the material.
D.
should not exceed the yield limit(for plastic material) or the ultimate strength(for brittle material).
【单选题】在 Powerpoint2010 中,下列有关幻灯片放映叙述错误的是
A.
可自动放映,也可人工放映
B.
放映时可只放映部分幻灯片
C.
可以将动画出现设置为“在上一动画之后”
D.
无循环放映选项
【单选题】Which rule is the principle of proportionality written in? ( )
A.
Art. 51 and Art. 57 of AP II of Geneva Conventions
B.
Art. 50 and Art. 57 of AP I of Geneva Conventions
C.
Art. 51 and Art. 57 of AP I of Geneva Conventions
D.
Art. 51 and Art. 59 of AP II of Geneva Conventions
【单选题】在PowerPoint 2010中,下列有关幻灯片放映叙述错误的是
A.
可以自动放映,也可以人工放映
B.
放映时可以只放映部分幻灯片
C.
可以将动画出现设置为在上一动画之后
D.
无循环放映选项
【单选题】What is the principle of Proportionality? ( )
A.
military advantage
B.
military advantage > collateral damage
C.
military advantage = collateral damage
【单选题】Not all the radiation leaving one surface will reach the other surface since electromagnetic radiation travels in straight lines and some will be lost to the surroundings, we introduce factor in net r...
A.
reflectivity
B.
emissivity
C.
the proportionality constant
D.
transmissivity
【简答题】• The cost of operating a jet-powered commercial airplane varies as the three-halves (3/2) power of its velocity; specifically, C O =knv 3/2 , where n is the trip length in miles, k is a constant of p...
【单选题】在 PowerPoint 2010 中,下列有关幻灯片放映叙述错误的是
A.
可自动放映,也可人工放映
B.
放映时可只放映部分幻灯片
C.
可以将动画出现设置为“在上一动画之后”
D.
无循环放映选项
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