加料着火的原因?你在实际操作中如何避免?

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问题:

加料着火的原因?你在实际操作中如何避免?

考点:化学工程精细化工工艺学精细化工工艺学题库
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       Most people have jobs. They go to work nearly every day.  Some people are lucky. Either they

have very interesting jobs or they make a lot of money.  Most people are not  so lucky.  Either their

jobs are not very interesting or they don't make much money.  The most interesting jobs are often the

most difficult. People take a long time to learn how to do them.  Doctors study for at least six years

after finishing school.

       Some young people have interesting and high-pay jobs.  Many young players do their work

successfully.  Football and tennis stars are usually under 35 years old.  Older'peopje usually cannot

play these sports very well. They cannot move fast enough. Golf, however, is a good sport for older

people.  Many golf players are quite old, but they can play it successfully.

       Most people work until they are 60 0r 65 years old.  Then they retire and have a lot of free time.

Some people never retire though. These people usually have very interesting jobs. Writers, artists,

scientists and actors usually work until they die. Their work is their life.

根据短文内容,完成下列句子,每空一词 。  

1. Some_______ people have interesting or high-pay jobs,_______most people don't have such

good luck.

2. Some jobs_______a long time to learn because they are________ .

3. Young players can________ very fast, so many of them play these ________ like football

and tennis very _________ .

4. Golf is a good sport for_______ people.

5. Most people keep ________ until the age of 60 or 65.  But writers, artists, scientistsand actors

can work all their                   .

题型:问答题 简答题

定时散射比浊分析采用的是

A.免疫扩散与散射比浊分析相结合的技术

B.免疫吸附与散射比浊分析相结合的技术

C.免疫沉淀与散射比浊分析相结合的技术

D.区带免疫分析与散射比浊相结合的技术

E.凝集与散射比浊分析相结合的技术

题型:问答题 简答题

对两地的结核病死亡率比较时作率的标准化,其目的是:()

A.为了能更好地反映人群实际死亡水平

B.消除两地总人数不同的影响

C.消除各年龄组死亡率不同的影响

D.消除两地人口年龄构成不同的影响

E.以上都不对

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CTC系统的区间表示信息是从()获取的。

A.TSRS

B.RBC

C.CBI

D.TCC

题型:问答题 简答题

简述现代的组织结构设计原则。

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