问题 多项选择题

锅炉的汽、水压力系统及其附属设备安装完毕后,必须进行水压试验,进行水压试验的组成部分有()。

A.锅简

B.联箱

C.过热器

D.空气预热器

答案

参考答案:A, B, C

解析:

锅炉的汽、水压力系统及其附属设备安装完毕后,必须进行水压试验。锅炉水压试验的范围包括有锅筒、联箱、对流管束、水冷壁管、过热器、锅炉本体范围内管道及阀门等;安全阀应单独做水压试验。

解答题
完形填空

第二节完形填空(每小题1.5分,共30分)

Passing Your Love On

Waiting for the airplane to take off, I was happy to get a seat by myself. Just then, an air hostess approached me and asked, “Would you mind  16  your seat? A couple would like to sit together.” The only  17  seat was next to a girl with her arms in casts(石膏绷带), a black-and-blue face, and a sad  18 . “No way am I going to sit there,” I thought immediately. But a soft voice spoke, “She needs help.” Finally, I  19  to move to that seat.

The girl was named Kathy. She had been in a car accident and  20  was on her way for  21 .

When the snack and juice arrived, it did not take me long to  22  that Kathy would not be able to  23  herself. I considered  24  to feed her but hesitated, as it seemed too  25  to offer a service to a  26 . But then I realized that Kathy’s need was more  27  than my discomfort. I offered to help her eat, and  28  she was uncomfortable to accept, she  29  as I expected. We became closer and closer in a short period of time. By the end of the five-hour trip, my heart had  30 , and the time was really  31  spent than if I had just sat by myself.

I was very glad I had reached  32  my comfort zone to sit next to Kathy and feed her. Love  33  flows beyond human borders and removes the fears that keep us  34 . When we stretch to serve another, we grow to live  35  a larger and more rewarding world.

16. A. leaving                        B. changing                  C. taking               D. giving

17. A. comfortable               B. suitable                   C. available           D. favorable

18. A. heart                      B. expression                  C. action               D. thought

19. A. decided                     B. wanted                    C. regretted           D. promised

20. A. immediately               B. lately                         C. recently            D. now

21. A. treatment                  B. travel                         C. pleasure            D. business

22. A. know                        B. say                          C. realize             D. recognize

23. A. eat                            B. feed                        C. choose              D. support

24. A. offering                    B. needing                   C. stopping           D. trying

25. A. impolite                    B. far                          C. close                D. fast

26. A. girl                           B. neighbor                  C. passenger          D. stranger

27. A. unusual                 B. direct                    C. important       D. shameful

28. A. when                        B. although                  C. since                D. as

29. A. refused                        B. wondered                C. cried                D. did

30. A. warmed                    B. jumped                    C. broken             D. cheered

31. A. good                         B. worse                      C. better                  D. bad

32. A. below                      B. through                   C. across               D. beyond

33. A. seldom                         B. never                      C. hardly              D. sometimes

34. A. separate                    B. independent             C. silent         D. upset

35. A. of                                B. in                           C. at              D. for