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串词:发展、诚信、事业、智慧、小康。

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执行下列程序段后,(A)=______,(CY)=______。 MOV A,#C5H RL A

若8031单片机时钟频率为6MHz,在P1.0口接一个LED发光二极管,P1.0为低电平时点亮,运行以下程序后LED亮暗的周期为______秒,点亮的时间为______秒。 ORG 0000H LJMP BEG ORG 001BH DJNZ R7,RRT MOV R7,#200 CPL P1.0 RRT:RETI BEG:MOV TMOD,#20H MOV TH1,#6 MOV TL1,#6 SETB TR1 MOV IE,#88H SJMP $ 提示:TMOD、TCON和IE寄存器各位内容如前所示。

Passage Two That cold January night, I was growing sick of my life in San Francisco. There I was, walking home at one in the morning after a tiring practice at the theatre. With the opening night only a week from now on, I was still learning my lines. I was having trouble dealing with my part-time job at the bank and my acting at night at the same time. As I walked, I thought seriously about giving up both acting and San Francisco. City life had become too much for me. As I walked down empty streets under tall buildings, I felt very small and cold. I began running, both to keep warm and to keep away from any possible robbers. Very few people were still out except a few sad-looking homeless people under blankets. About a block from my apartment, I heard a sound behind me. I turned quickly, half expecting to see someone with a knife or a gun. The street was empty. All I saw was a shining streetlight. Still, the noise had made me nervous, so I started to run faster. Not until I reached my apartment building and unlocked the door did I realize what the noise had been. It had been my wallet falling to the sidewalk. Suddenly I wasn’t cold or tired anymore. I ran out of the door and back to where I’d heard the noise. Although I searched the sidewalk anxiously for fifteen minutes, my wallet was nowhere to be found. Just as I was about to give up the search, I heard the garbage truck (垃圾车) pull up to the sidewalk next to me. When a voice called from the inside, "Alisa Camacho" I thought I was dreaming. How could this man know my name the door opened, and out jumped a small red-haired man with an amused look in his eye. "Is this what you’re looking for" he asked, holding up a small square shape. It was nearly 3 am by the time I got into bed. I wouldn’t get much sleep that night, but I had gotten my wallet back. I also had gotten back some enjoyment of city life. I realized that the city couldn’t be a bad place as long as people were willing to help each other. From the text, we can infer that the writer ______.

A. would stop working at night
B. would stay on in San Francisco
C. would make friends with cleaners
D. would give up her job at the bank

编程实现数据块传送,将片内RAM从30H开始的连续32个单元的内容传递给片内RAM从60H开始的连续32个单元。

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