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【简答题】
如图所示:请用定理来求解图示电路中的节点电压 (本题10个空)。 计算分析过程如下:(1)应用节点电压分析方法,如图所示选节点 为参考节点,选节点 为独立节点;(2)由 定理方程,即: ;其中自电导 ;流入和流出节点1的;电流的代数和: ;(3)上述数据方程得 ;(4)最终得 ;
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【单选题】We can learn from the passage that the tired land has fully recovered ______.
A.
when grasses and other plants appear again
B.
when the treatment is given by nature alone
C.
after it has been lying idle for ten years
D.
after grasses and other plants have decayed again
【简答题】简述项目范围管理的主要工作
【简答题】fully-recovered patient
【简答题】fully recovered
【单选题】with the medicine shipped from China，the patient got fully recovered two days later.
A.
Being treated
B.
Treated
C.
To treat
D.
Treating
【单选题】Paul was not allowed to work he was fully recovered from the flu.
A.
even if
B.
whether
C.
because
D.
until
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