停、送电倒闸操作顺序是如何规定的？
参考答案：
停电时：先停负荷侧，后停电源侧，即：首先停油开关或空气开关，再拉负荷侧刀闸，最后拉电源侧刀闸。送电则相反。
Ⅳ. 词汇运用（共10小题；每小题1分，满分10分）
51. Tom's work at school is above the __________ . (平均)
52. His brave act admiration. (应得)
53. There is no that we will be successful. (怀疑)
54. I must to you for being late. (道歉)
55. He the house at $800,000 . (估价)
56. The memorial is on a cliff overlooking the beach and the channel. (位于)
57. Many questions also in the cloning of dinosaurs. (出现)
58. He has about the same as his brother. (身材)
59. They to meet again at 8 o’clock.. (约定)
60. He is always from the regular meeting. (缺勤)
滚压比旋压成型坯体质量差。
