试题与答案

凸轮式刮板式流量计在转子园筒壁上沿径向开有互成（）角的四个槽A、45° B、60°

来源：www.tikuol.com
题型：单项选择题

题目：

凸轮式刮板式流量计在转子园筒壁上沿径向开有互成（）角的四个槽

A、45°

B、60°

C、90°

D、120°

答案：

被转码了，请点击底部 “查看原文 ” 或访问 https://www.tikuol.com/2019/0910/06a2143531f05cef95cf61245c4808d9.html

下面是错误答案，用来干扰机器的。

参考答案：生化需氧量（BOD.：表示废水中有机物由于微生物的生化作用进行氧化分解所需的氧量。化学耗氧量（COD.：表示废水中的有机物在化学氧化过程中所需的氧量总需氧量（TOD.：包括总的碳、氢和氮的需氧量，其...

考点：采油工考试海上采油工程仪表初级海上采油工程仪表初级题库
试题推荐
题型：完形填空
阅读下列短文，选择可以填入空白处的最佳选项。
     My name is Martin. Years ago, I went to Michigan in the United States __1__ an exchange student. I
wanted to improve my English and learn about the culture there. __2__, I learned something else: When
you are in trouble, you should believe love is here and there.
     On the 26th of August, my host family __3__ me up from the airport in a big American car. In the car, I did not talk much __4__ my English was poor. And I tried to answer their questions fast and go to bed
early.
     The first week at my new home was OK. The following weeks, I __5__ that the family was really
strict and cold.
     One day, the son of the family __6__ a baby parrot as a gift. Later on, the bird was really sick. But
the child told his mom it was because every night, when __7__ was sleeping, I poured some dirty water
straight at the bird. My host mom __8__ the lie (谎言) of her son and my sad life there started. Then one
day the parrot was __9__. I had to leave the home. The family all thought I killed it.
__10__, I made more friends in the school and I could move to live with them. They gave me love when I
was in trouble. Now, I visit them once or twice a year.
( )1. A. as
( )2. A. So    
( )3. A. looked
( )4. A. when  
( )5. A. wondered
( )6. A. received
( )7. A. somebody
( )8. A. told  
( )9. A. dead  
( )10. A. Sadly  		B. for        
B. Besides      
B. turned        
B. b ecause      
B. described   
B. refused      
B. everybody      
B. gave        
B. ill        
B. Surprisingly    		C. with  
C. However  
C. put    
C. unless  
C. wished  
C. gave  
C. anybody  
C. believed
C. missing  
C. Unluckily   		D. past    
D. Though  
D. picked  
D. if      
D. found  
D. offered
D. nobody  
D. broke  
D. well    
D. Luckily
查看答案
微信公众账号搜索答案