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?___
A. Oh, wonderful indeed.
B. I went there alone.
C. The guide showed me the way.
D. By plane and by bus.
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— Hey, Tom, what's up?___
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— Did you know that David injured his leg yesterday?Really? ___
A. Who did that?
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C. How did that happen?
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— This box is too heavy for me to carry it upstairs.___
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D. I'd come to help.
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— I wonder if I could use your computer tonight?___ I'm not using it right now.
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— Excuse me, could you show me the way to the nearest post office?___ Oh yes! Two blocks away from here at the Green Avenue. You can’t miss it.
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— Wow! This is a marvelous room! I’ve never known you’re so artistic.____
A. Great, I am very art-conscious.
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— Is it possible for you to work late tonight?___
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— Unbelievable! I have failed the driving test again!___ This is not the end of the world.
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B.
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Are you feeling better today, Jack?___
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Thank you so much for your lovely gift.___
A. Never mind.
B. I'm glad you like it.
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D. No, It's not so good.
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Would you like something to drink? What about a cup of tea?___
A. No, thanks.
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What's the problem with your bike?___
A. Not at all.
B. Good, thank you.
C. Nothing serious.
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Good morning, John. How are you doing?___
A. I'm pleased
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C. Not so bad. And you?
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How do you do?___
A. Fine, thank you.
B. How do you do?
C. Not too bad.
D. Very well.
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Good-bye for now.___
A. The same to you.
B. That's OK
C. See you.
D. Long time no see.
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Hello, how are you?___
A. Hello, how are you?
B. How do you do?
C. Fine, thank you.
D. That's OK.
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I didn't mean to do that. Please forgive me。___
A. Not too bad.
B. That's all right
C. It's a pleasure.
D. Thank you.
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Thank you for your invitation.___
A. It doesn’t matter.
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What a beautiful dress you have on today!___
A. It is suitable for me.
B. No, it isn’t.
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I think he is a good lecturer.___
A. Sorry, it doesn’t matter.
B. So do I.
C. Yes. It's a good idea
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— What's the matter, dear?___
A. I didn't go to school.
B. I have a terrible headache.
C. I took the kids shopping today.
D. It is a beautiful dress.
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Good morning, may I speak to Mark, please?___
A. Who's there?
B. Who's that speaking?
C. Who are you?
D. Who wants to speak to Mark?
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Let me introduce myself. I'm Steward.___
A. What a pleasure.
B. Pleased to meet you.
C. I don't know.
D. Thanks a lot.
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Let's go to the library this afternoon.___.
A. Yes, that's right.
B. No. I can't.
C. What about you?
D. That's a good idea.
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What does Tom's wife do for a living?___.
A. She is a doctor.
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C. She has a happy life.
D. She lives far from here.
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How tall is your sister?___
A. She is not very well.
B. She is 28 years old.
C. She is very nice.
D. She is as tall as I am.
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What do you think of this novel?___
A. I've read it.
B. It's well-written.
C. It was written by my uncle.
D. I bought it yesterday.
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How much is this necklace?___
A. It's very nice.
B. It's a birthday present from my parents.
C. It costs fifty pounds.
D. It's a bargain.
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How can I get to the cinema?___
A. It's very far.
B. Yes, there is a cinema near here.
C. It's well known.
D. Go down this street and turn left.
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What's the matter, John?___
A. I failed my French test
B. It doesn't matter.
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D. I don't think I can.
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What are you majoring in?___
A. In a university.
B. Very hard.
C. Mathematics.
D. At nine in the morning.
【单选题】
Are you going on holiday for a long time?___
A. It was a long time.
B. Two weeks ago.
C. No. Only a couple of days.
D. Not long time ago.
【单选题】
Is Mary there?___
A. Speaking.
B. I'm not Mary.
C. Who are you?
D. Mary is well today.
【单选题】
What day is today?___
A. It's March 6.
B. It's a fine day today.
C. It's March.
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Is that seat taken?___
A. Please don't worry.
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C. Why not?
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Thank you for calling.___
A. Don’t mention it.
B. That's fine.
C. Nice talking to you.
D. Call back again.
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How are you getting on today?___
A. Very well.
B. How do you do?
C. I'm a doctor.
D. Nice to have known you.
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How's your family?___
A. Thanks all the same.
B. Thanks for calling.
C. Not too bad.
D. Don't mention it.