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【单选题】
图示电路当开关S在位置“1”稳定状态,在t=0开关S瞬间合到位置“2”,则在t>0后电流 iC ( )。
A.
与图示方向相同且逐渐增大
B.
与图示方向相反且逐渐衰减到零
C.
与图示方向相同且逐渐减
D.
与图示方向相反且且逐渐增大
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broke back
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broke off
D.
broke through
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正确
B.
错误
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A.
A bus passenger.
B.
A cabin passenger.
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A bus conductor.
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A train passenger.
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A.
Because Americans love melting pot.
B.
Because Americans came from almost every part of the world.
C.
Because America is famous for melting pot.
D.
Because America contains a large number of people.
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D.
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A.
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