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【简答题】
命题公式(¬p→q)→(p∨¬q)的主析取范式为:_______。 参考答案形式(只选其一,可能必要的删减,但不要改变其中各项的次序): (¬p∧¬q)∨(¬p∧q)∨(p∧¬q)∨(p∧q) 或 m0∨m1∨m2∨m3 或 ∑(0,1,2,3)
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举一反三
【单选题】I prefer living in a city because I think it is to live close to my work.
A.
convenient
B.
traditional
C.
modern
D.
temporary
【简答题】下列程序的运行结果中第 2 行是 ( 1 ) ,第 3 行是 ( 2 ) 。 #include using namespace std; void m(); int a=3; int main() { for(int i=0;i<2;i++) m(); cout<
【单选题】听力原文：W. Hello. 24th Precinct. Officer White speaking. M: Help. Yeah, uh, it was wild, I mean really bizarre. W: Calm down, sir! Now, what do you want to report? M: Well, I'd like to report a UFO sight...
A.
A police officer.
B.
A hotel receptionist.
C.
A manager of a zoo.
D.
A tourist guide.
【单选题】“I am sorry I broke your mirror .” “ Oh, really ?______. ”
A.
It’s OK with me.
B.
It doesn’t matter .
C.
Don’t be sorry.
D.
I don’t care.
【简答题】What will my life be like in ten years? In ten years, I think I’ll be a , because I like playing with children. I will lots of interesting students, and I’ll also able to make friends with other teach...
【单选题】听力原文：M: I'm looking at my test score and I think that it should be higher. I think an answer got marked wrong that should have been marked right. W: These things can happen let's double-check the answ...
A.
Have an exam.
B.
Double-check the answers.
C.
Correct the test score immediately.
D.
Mark the wrong answer.
【单选题】听力原文：W: Hello. 15th District. Officer Mary speaking. M: Help. Yeah, uh, it was wild, I mean really weird. W: Calm down sir! Now, what do you want to report? M: Well, I'd like to report a UFO sighting....
A.
He was returning home from a party.
B.
He just got off work when he saw the UFO.
C.
He was driving home from a restaurant.
D.
He was coming home from a police station.
【简答题】看图选择。 ( ) 1. A. Yes, here is a pencil. B. No, here is a ruler. ( ) 2. A. Sorry, I only have three candies. B. Sorry, I only have two candies.
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【简答题】下列程序的运行结果中第 2 行是 ( 1 ) ,第 3 行是 ( 2 ) 。 #include using namespace std; void m(); int a=3; int main() { for(int i=0;i<2;i++) m(); cout<
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