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【单选题】
容量相同的两个电容器，串联时的等效电容与并联时的等效电容之比为（）。A.
4
B.
2
C.
1/2
D.
1/4
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反馈参考答案：
举一反三
【单选题】Given: class CardBoard { Short story = 5; CardBoard go(CardBoard cb) { cb = null; return cb; } public static void main(String[] args) { CardBoard c1 = new CardBoard(); CardBoard c2 = new CardBoard(); ...
A.
0
B.
1
C.
2
D.
Compilation fails.
【单选题】温馨提示:此份作业(即以下两个选择题)不要求所有同学都完成。 Refer to Scenario 9-3. If Island prohibits international trade in cardboard, then the equilibrium price of a ton of cardboard is
A.
$36 and the equilibrium quantity of cardboard is 74 tons.
B.
$44 and the equilibrium quantity of cardboard is 88 tons.
C.
$52 and the equilibrium quantity of cardboard is 96 tons.
D.
$60 and the equilibrium quantity of cardboard is 100 tons.
【单选题】What is NOT permitted in the blue recycling box?
A.
Cardboard.
B.
Newspaper.
C.
Pop cans.
D.
Books.
【简答题】某时刻系统的A、B、C、D四种资源状态如表所示: (1)系统中四类资源各自的总数是多少?请写出Need矩阵。 (2)当前系统是否安全?请写一个安全序列。 (3)如果P1发出的请求(0,4,2,0)是否可以满足该请求?如果可以,请给出安全序列。
【简答题】A．motherboard B．centerboard C．multiboard D．cardboard
【简答题】5 The directors of Blaina Packaging Co (BPC), a well-established manufacturer of cardboard boxes, are currently considering whether to enter the cardboard tube market. Cardboard tubes are purchased by...
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