I will call you before I go. Well, I've got to run.－ ____________________________ A.I'm pleased to meet you.B.Yes, you can leave if you like.C.Oh, no, you can't.D.All right. Hope to see you soon.
I will call you before I go. Well, I've got to run.－ ____________________________
A.I'm pleased to meet you.
B.Yes, you can leave if you like.
C.Oh, no, you can't.
D.All right. Hope to see you soon.
相关考题：
一I'm very tired. I've please just finished work .--- ____.A. Well，you'd better go home and have a good restB. Oh，great! CongratulationsC.Ok,I'11 give it to you tomorrow.
Kathy, I’d like you to meet Maggie Jacobs.(). Maggie. You’re doing a great job.A、 I‘m pleased to meet youB、 It’s great to see you againC、 I' m happy to meet you too
What can I do for you, Madam?()500yuan in cash to my son in Beijing University.A、 You’d better remitB、 I'd like to remitC、 I'd rather remit
I () you as soon as I () in Shanghai. A、call; arriveB、will call; arriveC、call; will arriveD、will call; will arrive
–– Son: Mom, may I play computer game for an hour or so?–– Mom: ____A: Your teacher tells me that you should study harder.B: Sorry, Dad ’s using the computer now.C: I ’ve said before that the game takes too long.D: Well, ah ⋯You’re absolutely right to ask.
John: Well, it's getting late. Maybe we could get together some other time.Harry: _________.A、Take it easyB、Nice to see you backC、Sounds goodD、I'll give you a callE、Yes,I've enjoyed it
B 宽度优先（种子染色法）5．关键路径几个定义： 顶点1为源点，n为汇点。a. 顶点事件最早发生时间Ve[j], Ve [j] = max{ Ve [j] + w[I,j] },其中Ve (1) = 0;b. 顶点事件最晚发生时间 Vl[j], Vl [j] = min{ Vl[j] – w[I,j] },其中 Vl(n) = Ve(n);c. 边活动最早开始时间 Ee[I], 若边I由j,k表示，则Ee[I] = Ve[j];d. 边活动最晚开始时间 El[I], 若边I由j,k表示，则El[I] = Vl[k] – w[j,k];若 Ee[j] = El[j] ，则活动j为关键活动，由关键活动组成的路径为关键路径。求解方法：a. 从源点起topsort,判断是否有回路并计算Ve;