【单选题】【消耗次数：1】
求3-正则的彼得森（Petersen）图的点独立数b0 =
①
3；
②
4；
③
5；
④
6。
参考答案：
复制
纠错
相关题目
随机题目
【单选题】
A: Are you following me? B: [填空]
①
Can you walk slowly, please?
②
Let me think of it.
③
Im afraid not.
④
Who knows?
【单选题】
A: This meal is on me. [填空]. B: Thanks, but isnt it my turn to treat you?
①
Its none of your business
②
Ill treat you
③
My pleasure
④
I invite you
【单选题】
A: If things go on like this, we shall destroy ourselves. B: [填空]
①
Really? Congratulations!
②
Come on. Its not that bad.
③
Yes, you are good at it.
④
Its none of my business.
【单选题】
A: I got a job from Dell B: Thats great news. Im very happy for you. A: Thanks. I feel like celebrating. Lets go have a beer. [填空].
①
Its on me
②
Its so fine today
③
Its your turn
④
It is rather expensive
【单选题】
A: Richard, class begins at 9, and you are late. B: I know, but I missed my bus, Im sorry. B: [填空]. You have to be here on time.
①
Thats no excuse
②
Dont mention it
③
You neednt be
④
No problem
【单选题】
A: Dont tell me youve got a headache again. B: [填空].
①
Sorry, I wont be late next time
②
Youre right, Im just joking
③
All right, I wont say it
④
OK, youve made your point
【单选题】
A: Im sorry. Those shoes are not available in your size. B: [填空].
①
No use saying sorry. Thats a real let down
②
Im truly grateful for your help
③
Its just as Ive expected
④
Thats a pity. Thank you anyway
【单选题】
A: [填空]? B: Yes, Id like to open a savings account.
①
What do you want to do, sir
②
Why have you come here
③
Do you have anything to do here
④
Can I help you, sir
【单选题】
A: Bill told me he could not come here because his father was ill. B: [填空]
①
Its good.
②
Thats bad.
③
He is impolite.
④
What a pity!
【单选题】
A: Do you know Marks phone number? B: [填空] . A: OK. I might as well look it up in the phone book.
①
Just a second
②
Not that I know of
③
I cant think of it now
④
Why ask?