问题 问答题 简答题

尾气中H2S/SO2比值影响因素是什么?

答案

参考答案:

1、酸性气中H2S浓度波动大;

2、酸性气流量波动大;

3、空气/酸性气比例不合适;

4、装置负荷过低;

5、调节器PID不合适;

6、H2S/SO2在线分析仪坏;

7、仪表测量不准。

阅读理解

阅读理解。

     Happy Children's Day!

     Come and see the Indian elephants and the tigers from America. The bears are waiting to meet you,

and the monkeys from Thailand are waiting to throw things to you. The lovely koalas from Australia are

waiting to laugh at you, and the giraffes from Zambia are waiting to look down on you.

     Time: June 1-June 10    9:00 a.m.-7:00 p.m.

     Tickets: Adults: ¥60

                 Children: free

     Keep the park clean! Do no touch, give food or go near the animals.

                                                                                                                     The Safari Park

1. How many kinds of animals are talked about in the poster (海报)?      

A. 4      

B. 5      

C. 6        

D. 7

2. Mr and Mrs Brown will take their twins aged 6 to the park. How much will the tickets be together?      

A. ¥60  

B. ¥120  

C. ¥180    

D. ¥240

3. Visitors can do the following things EXCEPT ___________.

A. giving some food to the tigers    

B. watching the bears playing games

C. laughing at the koalas from Australia  

D. taking some pictures

4. From the passage we can guess the animal "giraffe" must be _________.            

A. long            

B. fat        

C. tall        

D. strong  

5. The poster may be made just ___________.      

A. on New Year's Day        

B. on Christmas Day  

C. after Children's Day        

D. before Children's Day

单项选择题 A3/A4型题