问题
单项选择题
在双代号时标网络计划中，虚箭线表示______。
A．自由时差
B．工作的持续时间
C．虚工作
D．非关键工作
答案
参考答案：C
搜题请搜索小程序“爱下问搜题”
在双代号时标网络计划中，虚箭线表示______。
A．自由时差
B．工作的持续时间
C．虚工作
D．非关键工作
参考答案：C
I walked into the Huddle House Restaurant in Brunswick, Georgia and sat down at the table. I picked up the menu and was to order something for breakfast. “Excuse me,” I looked up and 小题1: a nice-looking woman standing before me. “Is your name Roger?” 小题2: asked. “Yes, ” I answered, feeling rather surprised as I had never seen her before. “My name’s Barbara and my husband is Tony,” she said, pointing to a middle-aged man sitting alone at the table by the window. He was 小题3: and weak. “Tony White, from Landon School in Jacksonville, Florida,” she added. I looked at that man for a few seconds but I didn’t recognize him. “I’m really sorry. The name doesn’t ring the bell,” I said. She walked back, began 小题4: with her husband and once in a while I saw her turn around and look directly at me. I ordered breakfast and a cup of 小题5: , sitting there, trying to remember who this Tony was. “I must know him,” I thought to myself. “He recognizes me for some reason.” I picked up the coffee cup. All of a sudden it came to me like a flash of lightning. “Tony, the bully, the bad boy!” I could 小题6: believe my eyes. “My God! He’s so thin now. Not the big boy that I 小题7: from back in 1997.” Everything came up to my mind. The time this 小题8: boy had made fun of my big ears in front of the girls in my class, and the time this big bully had pushed me against the walls in the hallway just to make himself 小题9: a big man to all other students. “I am sorry, Roger,” Tony rolled by me in the wheelchair, being pushed by his wife, raising his thin, shaking hand. “I am so sorry for 小题10: that I did to you.” “I’m…I’m er…” I didn’t know what to say to him. After a few months, I received a letter from Barbara. Tony was 小题11:. Tony had been a fireman and had been seriously wounded in a task. How I 小题12: for not saying something to him but I no longer had the chance!
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