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【判断题】
安徽地处长江、黄河中下游,长江三角洲腹地。A.
正确
B.
错误
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举一反三
【单选题】两耦合电感串联接在某正弦电压源上，已知L1=0.8H，L2=0.7H，M=0.5H，电阻不计，正弦电压源的电压有效值不变，则两者反向串联时的电流为顺向串联时电流的＿＿倍。
A.
5
B.
0.2
C.
2
D.
0.5
【单选题】Which of the following may be the best title for the passage?
A.
When Was the Umbrella Invented
B.
The Role of Umbrella in History
C.
The Colors and Shapes of Umbrella
D.
Who Needed Umbrella First
【单选题】Which of the following statements is not true about the umbrella?
A.
The umbrella was first invented to be used as protection against the sun.
B.
The umbrella changed much in style. in the eighteenth century.
C.
No one exactly knows who was the inventor of the umbrella.
D.
In Europe, the Greeks were the first to use the umbrella.
【单选题】两耦合电感串联接在某正弦电压源上,已知L1=0.8H, L2=0.7H, M=0.5H, 电阻不计,正弦电压源的电压有效值不变,则两者反向串联时的电流为顺向串联时电流的( )倍。
A.
0.2
B.
2
C.
5
D.
0.5
【简答题】(P49) 【何其】衰也。 2.(P50) 【举】天下之豪杰,莫能与之争。 3.(P50) 祸患常积于【忽微】。 4.(P52) 即彼成我败所由【判】也。 5.(P52) 而顺逆两境又常相间以【迭乘】。
【单选题】甲公司严重资不抵债，因不能清偿到期债务向法院申请破产。下列财产属于债务人财产的是（ ）。
A.
甲公司购买的一批在途货物，但尚未支付货款
B.
甲公司从乙公司租用的一台设备
C.
属于甲公司但已抵押给银行的一处厂房
D.
甲公司根据代管协议合法占有的委托人丙公司的两处房产
【单选题】7-2选择题 两耦合电感串联在某正弦电压源上,已知 L 1 =0.8 H, L 2 =0.7 H, M=0.5 H,电阻不计,正弦电压源的电压有效值不变,则两者反向串联的电流为正向串联时电流的( )倍。
A.
0.5
B.
5
C.
0.2
D.
2
【单选题】第七章选择题 1-2 两耦合电感串联在某正弦电压源上,已知 L 1 =0.8 H, L 2 =0.7 H, M=0.5 H,电阻不计,正弦电压源的电压有效值不变,则两者反向串联的电流为正向串联时电流的( )倍。
A.
5
B.
0.5
C.
2
D.
0.2
【单选题】两耦合电感串联在某正弦电压源上,已知 L 1 =0.8 H, L 2 =0.7 H, M=0.5 H,电阻不计,正弦电压源的电压有效值不变,则两者反向串联的电流为正向串联时电流的( )倍。
A.
5
B.
0.5
C.
2
D.
0.2
【单选题】Which of the following statements is NOT TRUE about the umbrella?
A.
The umbrella was first invented to be used as protection against the sun.
B.
The umbrella changed much in style. in the eighteenth century.
C.
No one exactly knows who was the inventor of the umbrella.
D.
In Europe, the Greeks were the first to use the umbrella.
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