C语言_超星尔雅_题库2020-云雀题库网

C语言_超星尔雅_题库2020

作者:admin2020-08-12 17:33:45浏览:8927

多选(0分) 和平统一最符合包括台湾同胞在内的中华民族的根本利益。如何促进两岸关系积极发展,语言超雅题其关键在于( )

参考答案如下

C语言_超星尔雅_题库2020

判断(5分) 在平坦的地形中,语言超雅题可以保持不小于5‰的坡度,以利于排水。语言超雅题多选(10分) 道路系统的基本形式按平面结构可以划分为以下哪几种( )。

C语言_超星尔雅_题库2020

语言超雅题单选(3分) 排水明渠的最小流速不得小于 m/s 。语言超雅题单选(3分) 适用于平整场地的土方计算方法是语言超雅题单选(5分) 建筑坐标的代号为 。

C语言_超星尔雅_题库2020

单选(3分) 在较大比例尺地形图上,语言超雅题为了便于读图,规定从零米算起,每隔四条基本等高线加粗为粗实线,这类等高线叫做 。判断(1分) 草坡坡度最好不要超过25%,语言超雅题土坡坡度最好不超过20%,一般平地坡度约为1~7%。

C语言_超星尔雅_题库2020

语言超雅题单选(10分) 一般消防车回车场面积不小于( );如果是供大型消防车使用的回车场面积还不应小于( )。

单选(3分) 土壤的容重即单位体积内 的土壤重量,语言超雅题单位为 kg/m3。单选(2分) 高峰负荷时将中枢点电压升高,语言超雅题低谷负荷时将其降低的调压方式是()

判断(1分) 若变压器的型号不变,语言超雅题变压器励磁中的无功损耗也不变。判断(1分) 无功不足时,语言超雅题可以通过调整变压器分接头改善电压水平。

语言超雅题单选(2分) 同步调相机可以向系统中()单选(2分) 关于架空输电线路的零序阻抗,语言超雅题下述说法中错误的是( )

单选(2分) 对于三相三柱式变压器,其正序参数、负序参数和零序参数的关系是( )判断(1分) 对称分量法不能用于非线性电力系统的分析计算

判断(1分) 电力系统中性点运行方式对电力系统的正序等值电路和负序等值电路没有影响判断(1分) 高斯-塞德尔潮流计算法,由于收敛速度慢,在电力系统潮流计算中很少单独使用。

判断(1分) 架空输电线路导线之间的几何平均距离越大,其正序电抗(负序电抗)越大,零序电抗越小判断(1分) 不管是同步发电机静态稳定性分析还是暂态稳定性分析,其实质都是求发电机的转子摇摆方程(或摇摆曲线)

单选(2分) 电压中枢点是指()判断(1分) 只要三相电流不对称,电流中就一定包含有零序分量

单选(2分) 关于不对称短路时短路电流中的各种电流分量,下述说法中正确的是( )单选(2分) 电力系统同一点发生不同类型短路故障时,按照故障处正序电压从高到低的短路类型排列顺序是( )

单选(2分) 关于不对称短路时短路电流中的各种电流分量,下述说法中正确的是( )单选(2分) 电力系统同一点发生不同类型短路故障时,按照故障处正序电压从高到低的短路类型排列顺序是( )

单选(2分) 关于电力系统短路故障,下述说法中错误的是( )判断(1分) 不管电力系统中性点采用什么样的运行方式,其零序等值电路都是一样的

判断(1分) 当电源内阻抗小于电源与短路点之间的短路阻抗的10%时,可以视为无限大电源判断(1分) 中性点不接地系统中某点发生两相短路和两相短路接地时,不仅故障相的电流大小相等,故障相的对地电压也相同

判断(1分) 重要输电线路装设全线速断保护,目的是为了提高电力系统并列运行的暂态稳定性单选(2分) 利用对称分量法分析不对称短路时,基本相的选择原则是( )

判断(1分) 短路计算时,在任何情况下,变压器的正序励磁电抗和零序励磁电抗都可以视为无穷大单选(2分) 电力系统静态稳定性是指()

判断(1分) 网络接线及参数对有功功率的功-角特性没有影响单选(2分) 短路电流最大有效值出现在( )

单选(2分) 分析电力系统暂态稳定性应考虑的干扰形式是()判断(1分) 当不调节发电机的励磁电流而保持发电机的空载电动势不变时,随着发电机输出有功功率的增加,发电机端电压会下降

判断(1分) 小扰动法是将非线性微分方程进行线性化,如果特征方程式的根都位于复数平面上虚轴的左侧,未受扰动的运动是不稳定运动单选(2分) 在既有水电厂、火电厂和核电厂的电力系统中,洪水季节调频电厂通常选择()

判断(1分) 在任何情况下都应使水力发电厂承担调峰任务。多选(2分) 旅客服务监督包括‍

判断(1分) 保证和提高电力系统静态稳定性的根本措施是缩短“电气距离”单选(2分) 分析电力系统静态稳定性的方法是()

单选(4分) 影响物体转动惯量的因素包括:( )多选(3分) 下述所给出的各个选项中,属于提高电力系统并列运行静态稳定性的措施是()

单选(10分) The owner of the restaurant wouldn’t allow Samantha to walk through the door. “I’m sorry,” she said, “but you started a food fight the last time you were here. You may not have ingress to my restaurant!”What does “ingress” mean in this selection?单选(2分) 电力系统潮流计算时,平衡节点的待求量是()

判断(1分) 小干扰法不仅可用于电力系统运行静态稳定性的分析,也可用于电力系统暂态稳定性的分析单选(10分) Her cardinal rule is this: Be kind to others! She believes that everything else in life will fall properly into place if one follows that rule.What does “cardinal” mean in this context?

单选(2分) 架空输电线路采用单相重合闸的主要目的是()单选(10分) Michael is an ardent supporter of his presidential candidate. That became obvious to me when I found out how much time he’s donated to the campaign. Perhaps Michael knows what he’s doing.What does “ardent” mean in the context of the selection?

单选(10分) While ___ to the movies, I happened to see a terrible accident.单选(10分) Ashlee was not happy with her friend Samantha. “I’ve been waiting here for an hour!” she growled into her cell phone. “You’d better hie yourself over here,” she continued, “or we’ll leave without you.

单选(10分) His sprained ankle ______ his chance of winning the tournament.单选(10分) “I am going to rescind the permission I gave you to use my toys!” T. J. announced angrily. “I thought you would take good care of them, but I was wrong!”

单选(10分) I don\'t want to go out tonight, and ____ any case we can\'t afford it.单选(10分) Kim was a very good substitute teacher. She liked working with third and fourth graders most of all. She especially liked discussing important current events issues with the kids. She had expected them to be indifferent to such grown-up topics as taxes and social security. She was pleasantly surprised to discover that they were really interested in those issues and wanted to learn more about them.

单选(10分) She will be angry if you ______ her while she is sleeping.单选(10分) He had a cottage which consists _____ three rooms, a bathroom and kitchen.

单选(10分) I am working very hard for the same candidate that you support. You are doing it for pay. I’m not doing this for money. I’m doing it out of conviction.单选(10分) Mr. Burke stood before his employees. They had never seen him in such a serious mood. “I would be remiss if I didn’t tell you that your future with this company depends on how hard you work,” he stated firmly.

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