接入网具有相对的（）和完整性，有自身的一系列（），依托不同的_爱下问搜题

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问题填空题

接入网具有相对的（）和完整性，有自身的一系列（），依托不同的介质，具有不同的接入技术。

答案

参考答案：独立性；标准

完形填空

In 1970, at the age of 35, my father was diagnosed with Parkinson’s disease. There was not much     done at that time and my father had to rely on the medication and treatment that were     at that time. But one thing was     , my father was not a quitter. He was a teacher who      children with special educational needs in Chicago Public High School. Every day we would hear     about “his kids”. These “kids” did not usually     my sister and I.
One day, my father arrived at his school and walked up the    for his first period. He was having a very      day because the disease was really taking everything out of him. He      once and bruised (擦伤) his knee but he still kept going.       did he know that someone was watching.
As the day     his steps began to get a little lighter. At the end of the day, he was about to leave     a young girl entered his office. He had met her in the hallway but she was not one of his     . He asked what he could do for her and she said, “I just wanted to thank you for    my life.”
He looked at her and couldn’t      what he had done. She then went on     . “When I got up this morning, I felt as if I was at the end of my     and ready to kill myself. But when I saw you trying to go up the stairs and then you fell, I felt   and the feeling of sadness just kept getting    . And now you are walking as     as ever. It’s really true that everything will get better as the days go on.”

A．information

D．complaining

单项选择题

乙炔与氧气的爆炸范围是2.5-93%，其中含乙炔（）时爆炸能力最强。

A、30%

B、10%

C、50%