问题 问答题 简答题

磷源更换操作流程是什么?泄露应该怎么处理?

答案

参考答案:源瓶更换的标准操作过程依次关闭进气阀门、出气阀门,拔出连接管道,更换源瓶,连接管道,打开出气阀门、进气阀门。液态源外溢了,要立即擦拭干净,并暂停工艺运行,仔细检查源瓶是否有破损。

对泄漏物处理必须戴好防毒面具和手套。液体泄漏用沙土混和,倒至大量水中以稀释。沾染皮肤时,要先用纸、棉花将液体吸去,然后再用清水冲至少15分钟。如用水过少,会在皮肤形成磷酸引起灼伤,按酸灼伤处理。

多项选择题
完形填空

阅读下面的短文,然后按照要求写一篇150词左右的英语短文。

A former high school teacher who fled his classroom during the massive May 12 earthquake in southwest China has a new job here in a private training school.

Fan Meizhong has a two-year contract with Keyfind Education School in the Haidian District, school spokesman Zhang Wenbin told Xinhua on Wednesday.

The former Chinese language teacher from a private high school in earthquake-hit Dujiangyan City, Sichuan Province, was nicknamed “running Fan” by netizens (网民) after he left his students behind and escaped the classroom as the 8.0-magnitude earthquake struck.

Fan’s behavior became a controversial object, and he was later fired.

Zhang said, however, that Fan had been hired for his extensive teaching experience and talent. At Keyfind, he’ll conduct research on developing students’ potential and raising their interest in learning. He’ll also give some lectures, according to Zhang.

“Fan, as a person, also needs to live,” Zhang said. “We hope the media will be tolerant about Fan and give him some living space. Whether he was wrong or right in his running behavior, we only want to make use of his talent.”

He said the school had not decided what to do next about Fan’s job.

【写作内容】

1. 以约30个词概括短文的要点;

2. 然后以约120个词就“范美忠再被聘为教师”为主题发表你的看法,并包括下列要点:

你是怎样看待范美忠在发生地震时的先跑行为的;

范美忠该不该再聘为教师,为什么?

你心目中的教师该是怎么样的?

【写作要求】

1.作文中可使用实例或其他论述方法支持你的观点,也可以参照阅读材料的内容,

但不得直接引用原文中的句子;

2.作文中不能出现真实姓名和学校名称。

【评分标准】概括准确,语言规范,内容合适,篇章连贯。