正常生产中，重整进料二次表自动的情况下，测量回零，输出至最大

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问题问答题简答题

正常生产中，重整进料二次表自动的情况下，测量回零，输出至最大，而反应器入口温度急剧上升是什么原因？怎样处理？

答案

参考答案：

原因：1）进料泵抽空；2）调节伐供风中断或膜片破裂、调节伐伐芯脱落；3）管路堵塞。

处理：1）启动备用泵；2）改付线操作，联系仪表工修理；3）加热炉降温、进行停工检修。

阅读理解

阅读理解。

A father asks his son, "How many letters are there in the alphabet?" "I don't know," says his son. His

father says, "You don't know? You are in school for many years and you don't know how many letters

there are in the alphabet?" He is very angry. His son says, "No. But let me ask you a question, Dad. You

often go to the post office, please tell me how many letters there are in the post office?"

根据短文内容判断句子正（T）误（F）。

( )1. From this story, we know the son is good at English.

( )2. The son studies at school over (超过) one year.

( )3. The father gets angry because his son is not polite (有礼貌) to him.

( )4. The father knows how many letters there are in the post office.

( )5. There are twenty-six letters in the alphabet.

填空题