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【单选题】
某电路中的一条支路如图所示,电压 U 和电流 I 的参考方向已标注在图中,且 I =-1A 则图中对于该支路,( )。A.
U 、 I 为关联方向，电流 I 的实际方向是自A流向B
B.
U 、 I 为关联方向，电流 I 的实际方向是自B流向A
C.
U 、 I 为非关联方向，电流 I 的实际方向是自 A 流向B
D.
U 、 I 为非关联方向，电流 I 的实际方向是自 B 流向A
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A.
A bag of rice.
B.
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A.
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B.
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C.
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D.
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【单选题】_____ on the snake led to his own death. [ ]
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The farmer's taking pity
B.
The farmer taking
C.
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【单选题】听力原文： Once a thief stole a bag of corn from a farmer's house. The farmer went to the judge and told him about this. The judge ordered all the people of the farm to come before him. He took many sticks...
A.
A bag of rice.
B.
A bag of corn.
C.
A stick.
【单选题】关于商品检验时间和地点的规定,我国进出口业务中使用较多的是( )
A.
离岸品质、离岸重量
B.
到岸品质、到岸重量
C.
出口国装运港检验、进口国目的港复验
D.
离岸重量、到岸品质
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