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【单选题】
承兑以后汇票的主债务人是( )。
A.
出票人
B.
持票人
C.
承兑人
D.
保证人
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参考答案:
举一反三
【多选题】对测定总磷的水样进行预处理的方法有哪些。( )
A.
硝酸-磷酸消解法
B.
过硫酸钾消解法
C.
硝酸-高氯酸消解法
D.
硝酸-硫酸消解法
【单选题】The circuit element used to model the current-resisting behavior of a material is .
A.
the capacitor
B.
the inductor
C.
the dependent source
D.
the resistor
【简答题】The circuit element used to model the current-resisting behavior of a material is .A. the capacitor B. the inductor C. the resistor D. the dependent source
【单选题】There will be a potential difference ______ the two ends of the circuit element in question.
A.
in
B.
between
C.
on
【单选题】With load convention, where the current enters the positive terminal of the circuit element, if Ω is positive then positive reactive power is absorbed.
A.
True
B.
False
【简答题】The circuit element used to model this behavior is the resistor. Figure 1.1 shows the circuit symbol for the resistor, with R denoting the resistance value of the resistor. (翻译)
【简答题】对测定总磷的水样进行预处理的方法有 消解法、 消解法和 消解法等。
【多选题】对测定总磷的水样进行预处理的方法有哪些。( )
A.
过硫酸钾消解法
B.
硝酸-硫酸消解法
C.
硝酸-高氯酸消解法
D.
硝酸-磷酸消解法
【单选题】With generator convention, where the current leaves the positive terminal of the circuit element, if P is positive then positive real power is delivered.
A.
False
B.
True
【单选题】The circuit element used to model the current-resisting behavior of a material is .
A.
the capacitor
B.
the inductor
C.
the resistor
D.
the dependent source
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