相关试题
【判断题】
某监狱长在法定选举日，组织全狱在押成年犯人投票选举本区人民代表。
【判断题】
已满14周岁的人实施故意杀人行为，造成一死一伤，应当负刑事责任。
【判断题】
任何公民非经公安机关批准，不得受到逮捕或拘禁。
【判断题】
假借订立合同，进行恶意磋商，给对方造成损失的，应当承担损害赔偿责任。
【判断题】
中华人民共和国年满18周岁的公民均有选举权和被选举权。
【判断题】
抵押、留置、保证、定金等都是债的担保方式。
【判断题】
间歇性精神病人在精神正常时犯罪，应当负刑事责任。
【判断题】
犯罪时不满18周岁的人和审判时怀孕的妇女不适用死刑。
【判断题】
“王兰和王英是姐妹”是复合命题，因为该命题中出现了联结词“和”
【判断题】
命题“两个角相等当且仅当它们是对顶角”的值为1
【判断题】
命题“如果1+2=3，那么雪是黑的”是真命题
【判断题】
(P∨→(Q∧R))是一个命题演算的命题公式，其中P、Q、R是命题变元
【判断题】
(P→(Q∧R→﹁Q)是一个命题公式，其中P、Q、R是命题变元
【判断题】
若A：张明和李红都是三好学生，则﹁A：张和李红都不是三好学生
【判断题】
若A：张明和李红都运动员，则﹁A：张明和李红不都是运动员
【判断题】
若P：每一个自然数都是偶数，则﹁P：每一个自然数都不是偶数
【判断题】
若P：每个自然数都是偶数，则﹁P：每个自然数不都是偶数
【判断题】
如果AB，则A∧CB∧C，A∨CB∨C
【判断题】
“学习有如逆水行舟，不进则退”。设P：学习如逆水行舟，Q：学习进步，R：学习退步。则命题符号化为P∧(﹁Q→R)
【判断题】
P、Q、R定义同上题，则“学习有如逆水行舟，不进则退”形式化为：P→(﹁Q→R)
【判断题】
设P、Q是两个命题，当且仅当P、Q的真值均为1时，PQ的值为1
【判断题】
命题公式(P∧(P→Q))→Q是矛盾式
【判断题】
命题公式(P∧(P→Q))→Q是重言式
【判断题】
在命题的演算中，每个最小联结词组至少有两个联结词
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— How was your trip to London, Jane?___
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— Wow! This is a marvelous room! I’ve never known you’re so artistic.____
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Thank you so much for your lovely gift.___
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How do you do?___
A. Fine, thank you.
B. How do you do?
C. Not too bad.
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Good-bye for now.___
A. The same to you.
B. That's OK
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Hello, how are you?___
A. Hello, how are you?
B. How do you do?
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I didn't mean to do that. Please forgive me。___
A. Not too bad.
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Thank you for your invitation.___
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What a beautiful dress you have on today!___
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I think he is a good lecturer.___
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— What's the matter, dear?___
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Good morning, may I speak to Mark, please?___
A. Who's there?
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Let me introduce myself. I'm Steward.___
A. What a pleasure.
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Let's go to the library this afternoon.___.
A. Yes, that's right.
B. No. I can't.
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D. That's a good idea.
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What does Tom's wife do for a living?___.
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How tall is your sister?___
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A. It's very nice.
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How can I get to the cinema?___
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What are you majoring in?___
A. In a university.
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Are you going on holiday for a long time?___
A. It was a long time.
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Is Mary there?___
A. Speaking.
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What day is today?___
A. It's March 6.
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Thank you for calling.___
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A. Very well.
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How's your family?___
A. Thanks all the same.
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C. Not too bad.
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