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【单选题】
关于视诊,下列哪项是正确的:
A.
观察发育、营养、意识状态是属于局部视诊内容
B.
呕吐物或排泄物观察不属于视诊的内容
C.
视诊应在电灯光线下进行
D.
通过对呼吸频率、深度和节律的观察,可判定有无呼吸困难
E.
观察面容只能判定病人有无贫血
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举一反三
【单选题】In which of the following does the current in an electrical circuit equal the electromotive force divided by the resistance?
A.
Ohm Law
B.
Coulomb Law
C.
Kirchhoff Law
【判断题】国有土地使用权可以作为商品出让和转让,也可以用于抵押。( )
A.
正确
B.
错误
【简答题】英翻汉“An electric current varies directly as the electromotive force and inversely as the resistance. ”
【判断题】国有土地使用权可以作为商品出让和转让,也可以用于抵押。( )
A.
正确
B.
错误
【判断题】The term voltage is commonly used to indicate a difference in potential but electromotive force is not.
A.
正确
B.
错误
【判断题】Electromotive force (EMF) is measured in volts .
A.
正确
B.
错误
【判断题】在不能利用自然导体的情况下,保护零线导电能力最好不低于相线的二分之一.
A.
正确
B.
错误
【简答题】( ): Electromotive force or potential difference, usually expressed in volts.
【单选题】Which of the following can NOT be regarded as an external electromotive force (emf)?
A.
a chemical battary
B.
a protable battary
C.
a voltage source
D.
a resistor
【单选题】The electromotive force or EMF is measured __________ Volts.
A.
in
B.
on
C.
at
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