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【单选题】
()具有到货迅速,运费适中,安全保质,手续简便的优势。A.
联运
B.
海空联运
C.
公铁联运
D.
陆空联运
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【简答题】一般硅二极管的开启电压约为()V。
【单选题】----- Tom has won the first prize in the singing contest of our school. ------- __________ .You see he always works hardest.
A.
He is a lucky dog
B.
No pains , no gains
C.
All roads lead to Rome
D.
It is no use reasoning with a fool.
【简答题】硅二极管的开启电压约为 _________V,锗二极管的开启电压约为 _________。
【简答题】一般硅二极管的开启电压约为 V ,锗二极管的开启电压约为 V。
【单选题】–I really thought I’d win first prize. --Oh,…well, , Tom.
A.
that’s all right
B.
best wishes
C.
it’s out of question
D.
better luck next time
【简答题】硅二极管的开启电压约为()V,锗二极管的开启电压约为()V。
【简答题】It was Tom’s first visit to England, and he was looking forward to his first journey, on London’s Underground Railway. And against his friends’ 1_____, he was determined to travel 2 _____. He entered ...
【简答题】简述插补的基本概念 ?
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