有些固体可燃物的蒸气压非常小或者难于发生热分解,不能发生蒸发燃烧或分解燃烧,当氧气包

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问题:

有些固体可燃物的蒸气压非常小或者难于发生热分解,不能发生蒸发燃烧或分解燃烧,当氧气包围物质的表层时,呈炽热状态发生无火焰燃烧,称为()。

A、内部燃烧

B、表面燃烧

C、放射燃烧

D、阴燃

考点:公安消防岗位资格考试第一篇公安消防业务基础理论第一篇公安消防业务基础理论题库
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在算式□÷2005=12…□中,被除数最大是______,最小是______.

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第二节  完形填空(共20小题;每小题1.5分,满分30分)

阅读下面短文, 掌握其大意, 然后从36~55各题所给的A、B、C、D四个选项中,选出最佳选项。

Two runners stand side by side at the starting line of a race.   36   look very strong and fast.37   one runner speeds ahead and wins the race.The other  38    .

Some athletes can reach great    39   such as winning an Olympic gold medal. Others never live up to their   40  . What kind of preparation before a race or before other kinds of events makes the    41   ?

Everyone knows that athletes try to    42   their bodies. But research shows that strengthening the mind may be just as   43 . Careful study indicates that the best athletes win  __44  because they think they can win.

Positive thoughts seem to provide the edge for   45   in sports. People who say “I know I can do this” to themselves over and over   46    find that they have the advantage to win.On the other hand, people who think“I can,t win”often __47.

One procedure that helps many athletes is creating    48  in their mind. They are told to think of each jump they must make to   49  . Some use pictures that are more fanciful. One skater liked to think about a star bursting inside her,    50    her with energy. Another athlete who wanted to feel   51   pictured himself as a bird floating in the air.

Next time you want to do something well, try training your    52    to help you. Perhaps a teacher or other instructors can   53   you plan your training. If you imagine yourself doing better, you may soon see improvements in   54   you really can do. Positive thinking and pictures ___55   in your mind can help you win!

36. A. Neither              B. All                           C. Each                        D. Both

37. A. But                    B. So                      C. Or                       D. And

38. A. falls down    B. leaves behind     C. leaves alone              D. falls behind

39. A. prizes      B. goals          C. medals        D. places

40. A. promise          B. name             C. level          D. ability

41. A. progress              B. mistake                C. achievement         D. difference

42. A. determine    B. expand                     C. strengthen         D. extend

43. A. possible     B. interesting         C. difficult            D. important

44. A. partly          B. entirely                    C. completely        D. mostly

45. A. failure         B. luck                         C. success                     D. competition

46. A. often           B. never                C. hardly               D. rarely

47. A. fail         B. succeed              C. understand         D. expect

48. A. ideas           B. thoughts                   C. wonders                   D. pictures

49. A. fail                     B. run                          C. win                          D. go

50. A. giving         B. helping                    C. taking           D. tiring

51. A. encouraged  B. calm                        C. excited                     D. anxious

52. A. mind                  B. body                     C. brain                 D. imagination

53. A. help                   B. advise               C. allow                D. persuade

54. A. which          B. that                     C. what                        D. how

55. A. made                  B. hung                        C. discovered         D. created

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按照《预防危险活动的条款草案》有关规定,各国在预防危险活动中造成的跨界损害方面,应履行的具体义务有()

A.核准

B.危险的评估

C.通知

D.预防措施的协商

E.提供和交换资料

题型:单项选择题

支气管扩张症大咯血的原因是()

A.支气管动脉先天性解剖畸形

B.支气管动脉与肺动脉终末支扩张形成血管瘤破裂

C.合并重度气管炎

D.支气管粘膜深层溃疡

E.支气管形成囊性扩张

题型:单项选择题

在航次租船合同下签发提单时,根据提单中并入条款内容确定的船舶出租人的义务,与提单立法的强制规定不符时,出租的义务根据().

A.并入条款的内容确定

B.根据提单立法的规定确定

C.在此情况下出租的义务不能确定

D.不考虑并入条款的内容,根据提单确定

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