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【判断题】
等效电源的内阻就是有源二端网络中所有电源均除去(理想电压源短路,理想电流源开路)后所得到的无源二端网络的等效电阻。A.
正确
B.
错误
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举一反三
【简答题】One of the most popularly used devices for employee selectionis _______.
【单选题】榜样激励法要求幼儿教师为幼儿选择的榜样有一定的要求,下列说法错误的是( )。
A.
榜样的选择要具体、健康
B.
榜样的树立要公正、可靠
C.
对幼儿表现榜样行为的反应可以不用那么及时
D.
为幼儿选择的榜样也可以是动画片里的主人翁
【简答题】进入到 20 世纪,流行病学学科进入发展期,可划分为 个阶段
【多选题】The most popularly used draft in international trade is to be drawn ( ).
A.
by the exporter
B.
payable to order
C.
by the importer
D.
by a bank
E.
payable to a specific person
F.
payable to the holder
【多选题】The most popularly used draft in international trade is to be drawn
A.
payable to order
B.
payable to a specific person
C.
by the exporter
D.
by the importer
【单选题】The most popularly used draft in international trade is to be drawn ( ).
A.
by the exporter
B.
by the importer
C.
by a bank
D.
payable to a specific person
【多选题】The most popularly used draft in international trade is to be drawn
A.
payable to order
B.
payable to the holder
C.
by the exporter
D.
payable to a specific person
【多选题】The most popularly used draft in international trade is to be drawn
A.
payable to the holder
B.
by the importer
C.
payable to order
D.
by the exporter
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