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【单选题】
In order to search for the escaped murderer, the police decided to question _______ came along this road.A.
who
B.
whom
C.
whoever
D.
whomever
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举一反三
【单选题】what will happen to the cardiac output if the afterload of heart (BP) is increased?
A.
The cardiac output will increase
B.
The cardiac output will decrease
C.
The cardiac output will not decrease until the mean arterial pressure rises above about 160 mmHg.
D.
The cardiac output will never decrease
【单选题】What is the indication of an open in the output of a driving gate?
A.
Only the output of the defective gate is affected.
B.
The affected node will be stuck in the HIGH state.
C.
The affected node will be stuck in the LOW state.
D.
There is a signal loss to all load gates.
【单选题】what will happen to the cardiac output if the afterload of heart (BP) is increased?
A.
The cardiac output will not decrease until the mean arterial pressure rises above about 160 mmHg.
B.
The cardiac output will increase
C.
The cardiac output will decrease
D.
The cardiac output will never decrease
【单选题】以下说法正确的是 。
A.
电阻、电容、电感、电流源、电压源都属于无源二端元件。
B.
使用支路电流法时，当支路中含有恒流源时，若所选回路中不含恒流源，则有几条支路含有恒流源，可少列几个KCL方程。
C.
叠加定理中，当恒流源不作用时应视为短路。
D.
一个具有b条支路、n个节点的电路，可列出（n－1）个独立的KCL方程式，b－(n－1)个独立的KVL方程式。
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