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【单选题】
按照预防原理，安全生产管理工作应该做到预防为主，通过有效的管理和技术手段，减少和防止人的不安全行为和物的不安全状态。下列论述不符合预防原理的是（）。A.
事故后果以及后果的严重程度都是随机的，难以预测的
B.
只要诱发事故的因素存在，发生事故是必然的
C.
从根本上消除事故发生的可能性，是本质安全的出发点
D.
当生产与安全发生矛盾时，要以安全为主
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【单选题】Now let’s have ( ) free talk then we’ll move on to the question of cash flow.
A.
a five minutes
B.
a five –minutes
C.
a five –minute
【简答题】集流(mass flow，bulk flow)
【单选题】水的三态的熵值的大小关系正确的是 [ ]
A.
Sm(s)＞Sm(l)＞Sm(g)
B.
Sm (l)＞Sm(s)＞Sm(g)
C.
Sm(g)＞Sm(l)＞Sm(s)
D.
Sm(g)＞Sm(s)＞Sm (l)
【单选题】He got very angry and ______ that no one had warned him that he would have to move to a smaller office.
A.
insisted
B.
suggested
C.
requested
D.
admitted
【简答题】某钢筋混凝土屋架下弦杆,截面尺寸为200mm×160mm,配置4Φ16 HRB335级钢筋,混凝土强度等级为C40 。承受轴心拉力设计值为N=240kN。结构重要性系数为1.0。问此构件正截面承载力是否合格?
【单选题】The two loops in the circular-flow diagram represent the flow of
A.
goods and the flow of services.
B.
dollars and the flow of financial assets.
C.
inputs and outputs and the flow of dollars.
D.
capital goods and the flow of consumer goods.
【简答题】______ is a measure of heat flow through a material. It relates heat flow (the flow of heat energy per unit area, per unit time) to the temperature gradient, causing the heat to flow. A) Heatcapacity ...
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