题目内容

图的 邻接矩阵体现的是结点之间的邻接关系; 可达性矩阵体现的是有向图中结点之间的可达关系;完全关联矩阵体现的是结点与边之间的关联关系。

A. 对
B. 错

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Dialogue Two Job InterviewInterviewer: Do you want a (1) _________ or a part-time job?Applicant: A part-time job. I have to (2)_________.Interviewer: Do you mind working on (3)_________?Applicant: Not at all. Because I have to study during the day.Interviewer: Very well. The night shift is from 6 p.m. to 12 p.m. Then, what is the (4)_________ you may consider?Applicant: Twenty yuan per hour.Interviewer: It's a deal. When can you (5)_________?Applicant: I can start anytime.Interviewer: Good. You can come tomorrow evening.Applicant: Thank you very much. See you tomorrow.Interviewer: See you.

Dialogue OneMr. Johnson is calling Mr. Yang before traveling to Shanghai.Yang: Hello, Yang's speaking.Johnson: Hello, Mr. Yang. (1)_____________ Mike Johnson.Yang: Oh, hello, Mr. Johnson. How are you doing?Johnson: Fine, thanks. (2)_____________to tell you I’m traveling to Shanghai next week. Could we meet, say, next Tuesday for our contract?Yang: Just a minute, let me check my schedule. Sorry, Mr. Johnson, (3)_________________________.Johnson: Can you (4)_____________ Wednesday then?Yang: Yes, Wednesday is fine.Johnson: Good. What about 10 o’clock in the morning?Yang: (5)_____________.Johnson: Great. So I’ll see you at 10 o’clock next Wednesday morning.Yang: See you then. Goodbye, Mr. Johnson.Johnson: Goodbye, Mr. Yang.

Dialogue 2Mr. Johnson goes to see the general manager of the TD Company.Secretary: Good morning, sir.Johnson: Good morning, I'm Mike Johnson from London. (1) _____________ the general manager for something rather urgent.Secretary: Have you (2) __________________, Mr. Johnson?Johnson: No, I haven't.Secretary: Mr. Johnson, Our manager is rather busy these days.Johnson: I see. You know, I’d like to (3) _________________ about something quite urgent. Could you arrange it for me? I won't keep him long.Secretary: I'll see (4) _____________. A moment please. I’ll look at his schedule. Yes, he'll be free after 3 this afternoon. Could you come at 3:15 this afternoon?Johnson: Yes, that's fine with me. (5) ___________________Secretary: No trouble at all.

Dialogue OneWaiter: May I take your order, sir?Johnson: Sure. (1)_____________ some Western food today. Would you recommend some?Waiter: The roast beef is (2) ___________. It's typical western dish.Johnson: OK, I'll have it.Waiter: I would also suggest the salad. Many guests give high praise to it.Johnson: It sounds interesting. I'll try that.Waiter: (3) __________________ do you prefer, beer, wine or tea?Johnson: I'd like to try some beer. What kind of beer would you suggest?Waiter: American beer is always (4) __________with our customers.Johnson: OK, I'll have some American beer, then.Waiter: Thank you. Your dishes will be (5) _______ in a few minutes.

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