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【单选题】
以逻辑变量X和Y为输入，当且仅当X和Y同时为0时，输出才为0，其他情况下输出为1，则逻辑表（ ）。A.
X·Y
B.
X+Y
C.
X Y
D.
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【简答题】A: Oh dear! My pupils’ homework is full of careless mistakes. B: Did you tell them to check their homework before they hand it in? A: No, I didn’t. B:
【简答题】A: (1) ______________________________ B: Did you tell them to check their homework before they hand it in? A: (2) ______________________________ B: I think they should be told that their homework has ...
【简答题】A: Oh dear! My pupils’ homework is full of careless mistakes. B: Did you tell them to check their homework before they hand it in? A: No, I didn’t. B:
【简答题】A: Oh dear! ____________________________________________ B: Did you tell them to check their homework before they hand it in? A: ____________________________________________ B: I think they should be ...
【单选题】W: Oh, dear! My pupils’ homework is full of careless mistakes. M: Did you tell them to check their homework before they hand it in? What might the woman be?
A.
A pupil.
B.
A teacher.
C.
A nurse.
D.
A doctor.
【判断题】Inventory tends to be one of the largest assets (in terms of dollar value) on a company’s balance sheet.
A.
正确
B.
错误
【简答题】A: 1. B: Did you tell them to check their homework before they hand it in? A: 2. B: I think they should be told that their homework has to be checked before they hand it in.
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