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【判断题】
正常人体血浆中，碳酸缓冲系的缓冲比为20：1，所以该缓冲系无缓冲作用A.
正确
B.
错误
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反馈参考答案：
举一反三
【单选题】In the Solow growth model with population growth but no technological progress, increases in capital have a positive impact on steady-state consumption per worker by _____, but have a negative impact ...
A.
increasing the capital to worker ratio; reducing saving in the steady state.
B.
reducing investment required in the steady state; increasing saving in the steady state.
C.
increasing output; increasing output required to replace depreciating capital.
D.
decreasing the saving rate; increasing the depreciation rate.
【单选题】The steady state difference between the control point and the value of the controlled variable, corresponding with the set point, is known as __________.
A.
dead band
B.
control point
C.
deviation
D.
offset
【单选题】如图所示双代号网络图，工作F的最迟完成时间为9d，持续时间为3d，工作G的最迟完成时间为9d，持续时间为2d．则工作D的最迟完成时间为（）d。
A.
4
B.
5
C.
6
D.
7
【单选题】如图所示双代号网络图，工作F的最迟完成时间为9天，持续时间为3天，工作G的最迟完成时间为9天，持续时间为2天，则工作D的最迟完成时间为（ ）天。
A.
4
B.
5
C.
6
D.
7
【简答题】稳态血浓药浓度(steady state of blood drug concentration,Css)
【单选题】A steady state is
A.
a temporary equilibrium.
B.
a Pareto Optimum.
C.
a long-run equilibrium.
D.
an economy with ongoing fluctuations.
【简答题】如何理解steady state activation中的steady state 的意义？
【简答题】稳态血药浓度(steady-state concentration，C ss )
【简答题】adj. 唯一的, 独一无二的, 独特的
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