[填空题](62639)三相异步电动机极相组是指一个磁极下属于同一相的-我要搜题网

[单选题]遇施工、检修需转非常站控的时机为：（）。
A.向列车调度员申请施工、检修后
B.施工、检修命令下达后
C.具备施工、检修条件后

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[多项选择]设备工程项目信息具有如下特点( )。
A. 信息来源的广泛性
B. 信息表现形式的多样性
C. 信息资源的非消耗性
D. 信息的发生、加工及应用在时空上的不一致性
E. 信息内容的复杂性

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[单项选择]硝苯地平遇光极不稳定，分子内部发生
A. 氧化反应
B. 还原反应
C. 歧化反应
D. 聚合反应
E. 异构化反应

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[单选题] 遥测采样板的作用()。
A. 将模拟量变为数字量
B. 将开关量变为数字量
C. 将数字量变为模拟量
D. 将数字量变为开关量

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[单选题]在Web浏览器的地址栏中输入http://www.abc.com/jx/jy.htm时，表明要访问的主机名是（）。
A.http
B.www
C.abc
D.jx

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[单项选择]跖疣的治疗方法以下不适宜的是（）
A. 中药内服、外洗
B. 电烧灼法
C. 液氮冷冻疗法
D. 手术切除疗法
E. 推疣疗法

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[单项选择]

B
The owner of a large company, who was about to take a trip overseas, dropped into his office early in the morning to make some arrangements. He was telephoning for a ticket for his trip when the night watchman came in, who was back from work, and said" Good morning" to the owner. Then he told him that he had dreamed that very night of his employer’s(雇主的)plane crashing(坠毁) after taking off. The owner was surprised to hear this. He decided, however, there was something in what the night watchman said. He postponed(推迟) his trip.
As things turned out, the night watchman’s dream was correct. That day the plane exploded (爆炸) just after leaving the ground. The owner gave the night watchman 5,000 dollars and a letter. He said, "I’m very sorry to do so. But I have to do so. Read the letter when you get home."
The puzzled man hurried home and tore the letter in a hurry. After taking a look, he turned pale. There was onl
A. as a reward
B. as his wage
C. as a prize for his hard work
D. because the night watchman had saved him in time of danger

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[判断题]检修制动缸前、后盖，铸造前、后盖裂纹、砂眼、缺损严重时报废。
A.正确
B.错误

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[填空题] The enormous growth of American economy has been 【B1】 to many factors. The size of the United States and its 【B2】 resources have been often cited as important reasons for the rapid 【B3】 of American economy. They are true to a great extent. But, then, there are other countries in the world that are 【B4】 with similar natural conditions and yet have 【B5】 developed to the same degree of economic power as the United States has. So, there must be reasons 【B6】 the size the country and the natural resources it possesses. According to the 【B7】 . argument, the remarkable achievements of the U. S. economy are primarily 【B8】 the system 【B9】 which it has been operating since the founding of the nation- American capitalism. It is true that American capitalism should be 【B10】 with the achievements of its economy, the question 【B11】 immediately comes to our mind is what are the essential 【B12】 and construct their significance in the 【B13】 of A
A. A．use
B．knowing
C．familiarity
D．sense

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[判断题]生产经营单位接收中等职业学校、高等学校学生实习的,可以不进行实习生相应的安全生产教育和培训,但要为其提供必要的劳动防护用品。
A.正确
B.错误

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[简答题]离心泵的轴向振动俗称“窜轴”。

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[单选题]因列车满员、晚点、停运等原因，使旅客在规定的有效期内不能到达到站时，车站可延长车票的有效期，延长日数从( )起计算。
A.列车停运之日
B.列车满员、晚点的次日
C.客票有效期终了之日
D.通票有效期终了的次日

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[单项选择]评价气流受限的敏感指标的检查是（）
A. TLC
B. RC
C. FEVl／FVC
D. VC
E. FRC

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[单项选择]( )应用大于常压的水蒸气灭菌，适于耐热药物的制品。
A. 滤过除菌法
B. 流通蒸汽灭菌法
C. 热压灭菌法
D. γ射线辐射灭菌法
E. 微波灭菌法

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[填空题]自主功能性甲状腺瘤时，甲状腺显像多表现_____。