[判断题]铁路营业线施工是指影响营业线设备稳定、使用和行车安全的各种作-我要搜题网

[判断题]环网箱接地采用水平和垂直接地的混合接地网。
A.正确
B.错误

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[单选题]AB889523
桥式起重机中每个电机（）值通常为各个电机额定电流的2.25～2.5倍。
A.过流继电器
B.接触器
C.热继电器
D.熔断器

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[填空题]用行走操纵杆改变方向，尽可能避免（），特别是进行原地转向时，转弯前要先停住机器。

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[单项选择]实验用狗首选的麻醉方法是（）
A. 吸入麻醉
B. 静脉麻醉
C. 皮下麻醉
D. 肌肉麻醉
E. 腹腔麻醉

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[判断题]消防轻型安全绳的主要用于现场救人、自救、携带器材和疏散物质四个方面。( )
A.正确
B.错误

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[判断题]保存第一手资料的目的是为企业积累技术资料。

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[不定项选择题]‒ 年上半年我国货币政策操作如下：（1）优化公开市场操作工具组合。春节前，实了公开市场短期逆回购操作，有效熨平了季节性因素引发的银行体系流动性波动；春节后，与下调存款准备金率政策相配合，适时开展公开市场短期正回购操作。（2）2012年5月，下调存款类金融机构人民币存款准备金率0.5个百分点，同期金融机构存款金额为86万亿元人民币。自2012年7月6日起下调金融机构人民币存贷款基准利率。 2012年7月公布的统计数据显示，二季度经济增长7.6%，三年来首次跌破8%大关，前6个月的CPI同比涨幅分别为4.5%、3.2%、3.6%、3.4%、3%和2.2%。拉动经济增长的“三驾马车”也略显乏力。我国中央银行下调存款准备金率0.5个百分点，可释放流动性（）亿元人民币。
A.320
B.390
C.4300
D.8280

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[判断题]高速公路实施警戒时,警戒距离不少于500米,并在200米处设置第二道警戒,同时安排人员利用灯光、旗语警示提醒来车避让。( )
A.正确
B.错误

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[单项选择]

Eye contact is a nonverbal technique that helps the speaker "sell" his or her ideas to an audience. Besides its persuasive powers, eye contact helps hold listener interest. A successful speaker must maintain eye contact with an audience. To have a good relation with listeners, a speaker should maintain direct eye contact for at least 75 percent of the time. Some speakers focus exclusively on their notes. Others gaze over the heads of their listeners. Both are likely to lose audiences’ interest and esteem. People who maintain eye contact while speaking, whether from a podium (演讲台) or from across the table, are "regarded not only as exceptionally well disposed by their target but also as more believable and earnest".
To show the potency of eye contact in daily life, we have only to consider how passers- by behave when their glances happen to meet on the street. At one extreme are those people who feel obliged to smile when they make eye contact. At
A. help the speaker to control the audience
B. help the speaker to gain audience interest and esteem
C. help the speaker to know whether he is talking too much about a certain point
D. help the speaker to analyze his audience when he is beginning his speech

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[单选题] 某线圈有100匝,通过的电流为2A,则该线圈的磁势为( )安匝
A.50
B.400
C.200
D.0.02

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[简答题]试述辩护律师的诉讼权利。

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[单项选择]Like many of my generation, I have a weakness for hero worship. At some point, however, we all to question our heroes and our need for them. This leads us to ask: What is a hero Despite immense differences in cultures, heroes around the world generally share a number of characteristics that instruct and inspire people. A hero does something worth talking about. A hero has a story of adventure to tell and community who will listen. But a few heroes beyond mere fame. Heroes serve powers or principles larger than themselves. Like high-voltage transformers, heroes take the energy of higher powers and step it down so that it can be used by ordinary people. The hero lives a life worthy of imitation. Those who imitate a genuine, hero experience life with new depth, enthusiasm, and meaning. A sure test for would-be heroes is what or whom do they serve What are they willing to live and die for If the answer or evidence suggests they serve only their own fame, they may be fam
A. they are popular only among certain Stoups d people
B. their performances do not improve their fans morally
C. their primary concern is their own financial interests
D. they are not clear about the principles they should follow

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[单选题]第 277 题, 本小题 1 分
所谓直接表计量装置是未通过电流、电压互感器，电能表直接接入被测电路中，因此，在计算（）异常时的差错电量时，无需考虑电流、电压互感器的影响。
A. 电量
B. 计量装置
C. 电费
D. 多功能电能表

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[判断题] 联名账户借记卡纳入单个客户名下借记卡张数限制。
A.正确
B.错误

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[多选题]辅助线包括出入段（场）线、折返线、( )。
A.卸车线
B.渡线
C.存车线
D.安全线
E.联络线

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[判断题]党的政治建设是党的根本性建设,决定党的建设方向和效果。
A.正确
B.错误

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[判断题]作业机具、材料等严禁摆放在两线间且不得侵限。
A.正确
B.错误

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[判断题]焊接溶渣中的氧化物都是酸性的。