变压器内部发生故障时，瓦斯继电器的上部接点接通（）回路，下部接点接通断路器的（）回路
题型：填空题
问题：
变压器内部发生故障时，瓦斯继电器的上部接点接通（）回路，下部接点接通断路器的（）回路。
题型：填空题
三、完形填空（共20小题；每小题1.5分，满分30分）
阅读下面短文，从短文后所给各题的四个选项（A、B、C和D）中，选出可以填入空白处的最佳选项，并在答题卡上将该项涂黑。
A famous scientist was asked why he was able to
be so much more 36 than the average person. What set him so far apart from others?
He 37 that it all came from a (n) 38 that occurred when he was three. He was trying to 39 a bottle of milk from refrigerator when he lost told of the bottle. spilling its 40 all over the kitchen floor.
Instead of 41 at him, his mother said,“ Robert, what a wonderful 42 you have made! I have 43 seen such a huge puddle (水坑) of milk, Since the 44 is done, would you like to get down and play in the milk for a while 45 cleaning it up?”
Indeed, he did. “Robert, 46 you make a mess like this, 47 you have to clean it up and restore everything to its 48 order,” And then together they cleaned up the spilled milk. His mother then said.” Robert, that is a 49 experiment in how to 50 carry a big milk bottle. Let’s go out to the yard and fill the bottle with water and see if you can 51 a way to carry a bottle of water without dropping it.
The scientist remarked he learned from that moment that mistakes were just 52 for learning something new, which is 53 scientific experiments are all about. Even if the experiment “doesn’t work”, we usually learn something 54 from it.
Wouldn’t it be great if all 55 would respond like Robert’s mother?
36. A．hard-working B. creative C. popular D. outstanding
37. A. responded B. acknowledged C. assumed D. declared
38. A. experiment B. coincidence C. experience D. conflict
39. A. deliver B. return C. move D. remove
40. A. mixture B. water C. liquid D. contents
41. A. yelling B. coming C. nodding D. laughing
42. A. mistake B. mess C. trick D. treasure
43. A. always B. often C. rarely D. ever
44. A. damage B. business C. favor D. harm
45. A. before B. after C. with D. without
46. A. whatever B. however C. wherever D. whenever
47. A. especially B. eventually C. respectively D.immediately
48. A. opposite B. particular C. proper D. natural
49. A. failed B. forbidden C. demanded D. deserved
50. A. absolutely B. comfortably C. confidentially D. effectively
51. A. develop B. grasp C. invent D. discover
52. A. choices B. opportu
nities C. qualities D. procedures
53. A. that B. where C. what D. which
54. A. right B. valuable C. practical D. accessible
55. A. managers B. directors C. parents D. Relatives
