问题
单项选择题
SDH的标准速率中，以下错误的是（）.
A.STM－1速率为155.620MBit/s
B.STM－4速率为622.080MBit/s
C.STM－16速率为2488.320MBtis/s
D.STM－64速率为9953.280MBit/s
答案
参考答案：A
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SDH的标准速率中，以下错误的是（）.
A.STM－1速率为155.620MBit/s
B.STM－4速率为622.080MBit/s
C.STM－16速率为2488.320MBtis/s
D.STM－64速率为9953.280MBit/s
参考答案：A
School was over and I was both mentally and physically tired. I sat at the very front of the bus because of the to get home. Sitting at the front makes you out like a shiny coin in a pile of dull pennies. Janie, the driver, tried to the uncomfortable atmosphere by striking the match of a conversation. I tried to mind my manners and listen, but I was too busy thinking about my day. On this day, , her conversation was worth listening to. “ My father’s sick, ” she said to no one in . I could see the anxiety and fear in her eyes. With a sudden of attitude and interest, I asked, “ What’s wrong with him?” With her eyes wet and her voice tight from the tears, she responded, “Heart trouble.” Her eyes as she continued. “I’ve already lost my mum, so I don’t think I can losing him. ” I couldn’t respond. I was shocked . My heart for her. I sat on the old, smelly seat thinking of the great my own mother was thrown into when my father died. I saw how hard it was, still is, for her. I wouldn’t like anyone to go through that . Suddenly I realized Janie wasn’t only a bus driver. That was just her job. She had a world of family and concerns too. I had never thought of her as anything but a driver. I suddenly felt very . I realized I had only thought of people as as what their purposes were in my life. I paid no attention to Janie because she was a bus driver. I had judged her by her job and her as unimportant. For all I know, I’m just another person in else’s world, and may not even be important. I should not have been so selfish and self-centred. Everyone a place to go to, people to see and appointments to . Understanding people is an art.
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