易受化工大气、海洋大气腐蚀的石油储罐进行喷砂前应采用()。A、高压洁净水冲洗 B、碱

题型:单项选择题

问题:

易受化工大气、海洋大气腐蚀的石油储罐进行喷砂前应采用()。

A、高压洁净水冲洗

B、碱液清除处理

C、有机溶剂清除处理

D、蒸汽冲洗

考点:机电工程机电工程题库
题型:单项选择题

三位数除以一位数,商可能是______,也可能是______.

题型:单项选择题

请用所给单词的适当形式填空。

1. Look at the pictures and read what they have achieved even though they each have a _________ (disable).

2. Nobody is said to have finished till there is no more __________ (leave) to buy.

3. He was sent by God, to minister to a soul too __________ (comfort) with himself.

4. Claire was so __________ (alarm) the first time she saw the robot, Tony.

5. This book was __________ (loose) based on the fall of Roman Empire but was about future.

6. My Brother was so ___________ (ambition) that he wanted to run for the president of this country.

7. I had to keep the video camera readily _________ (access) in case I saw something that needed to be

    filmed.

8. No other creature cries __________ (emotion) tears the way we humans do.

9. The ability to pass on knowledge and command respect is the essential _________ (qualify) for teachers.

10. The day we were looking forwards to _________ (come) at last.

11. The damage can be reduced by adopting higher quake-resistant standards for buildings and improving

      people's _________ (aware) of disaster prevention and rescue.

12. _________ (compare) with your room, mine is too small.

13. There is a special chapter _________ (devote) to her cooperation with a famous physicist.

14. Many students complain that they have been _________ (occupy) with their homework every day.

15. Don't let your _________ (imagine ) in full play when you are sitting in class.

题型:单项选择题

促肾上腺皮质激素(ACTH)属于()

A.氨基酸

B.糖蛋白

C.多肽

D.固醇类

E.脂肪类

题型:单项选择题

0.3和______互为倒数,______的倒数是它本身,______没有倒数.

题型:单项选择题

已知类sample是一个抽象类,其成员函数display是无形参、无返回类型的纯虚函数,请完成其声明:
sample
public:
sample( ) ;
______

更多题库