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【简答题】
整流二极管的整流作用是利用 PN结的 ( ) 特性 。
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A.
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B.
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C.
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A.
work out
B.
work in
C.
work at
D.
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【单选题】My mother allowed me __________ after finishing the homework.
A.
to go shopping
B.
going shopping
C.
to go shop
D.
going shop
【简答题】阅读理解。 I have never taken cooking classes. I learned cooking from my mother because she was really interested in teaching me how to cook. The main reason for this was that when my mother got married, s...
【简答题】阅读理解。 I have never taken cooking classes. I learned cooking from my mother because she was really interested in teaching me how to cook. The main reason for this was that when my mother got married, s...
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A.
Generally speaking, work gets much easier after 40.
B.
Generally speaking, work gets much harder after 40.
C.
Age and work are not correlated.
D.
He is undecided.
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