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【简答题】
Feudalism was a system of land owning under which the land could be used in exchange for ________ service .
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皮皮学刷刷变学霸
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【简答题】试画出用3线-8线译码器74LSl38和门电路实现如下多输出逻辑函数：
【简答题】开创了数理逻辑,成为逻辑学上的第二个里程碑的人是()。
【简答题】试画出用3线-8线译码器74HC138和门电路产生如下多输出逻辑函数的逻辑图。
【单选题】I wrote a check for more money than I have in my account. I'm afraid I'm ______.
A.
overdrawn
B.
insufficient funds
C.
minimum balance
【单选题】By the time I got to the check-out, I realized that I had _____ my purse at my office. [ ]
A.
forgotten
B.
left
C.
laid
D.
put