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【单选题】
不稳态热传导中给出任何时刻物体端面的温度分布的边界条件是( )A.
.第一类边界条件
B.
.第二类边界条件
C.
.第三类边界条件
D.
.混合边界条件
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反馈参考答案：
举一反三
【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】flow or move as a small river vi.
【简答题】A．He should at first do nothing and go with the flow. B．He should paddle hard to move away from the shore. C．He should try to stay where he is. D．He should lean forward.
【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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