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[单项选择]已知两个互斥投资方案的内部收益率．IRR₁和IRR₂均大于基准收益率i_c且增量内部收益率为△IRR，则( )。
A. IRR₁＞IRR₂时，说明方案1优于方案2
B. IRR₁＜IRR₂时，说明方案1优于方案2
C. △IRR＜i_c时，投资额大的方案为优选方案
D. △IRR＞i_c时，投资额大的方案为优选方案

热门试题:

[多项选择]通风工程中使用最广泛的是( )风口，表面经氧化处理，具有良好的防腐、防水性能。
A. 格栅
B. 铝合金
C. 条缝型
D. 百叶

[单项选择](　　)统称为极限偏差。
A. 最大极限尺寸和最大极限尺寸
B. 最大极限上偏差和最大极限下偏差
C. 最大上偏差和最大下偏差
D. 上偏差和下偏差

[多项选择]关于机房巡检要求，下列说法正确的有（）。
A. 分行应建立健全巡检操作规程，明确规定巡检人员的巡检路线、巡检时间、巡检内容、巡检操作方法
B. 二线值班人员接到报告后，在工作授权范围内的须立即处理，权限外的或自身无法解决的可先处理后报告
C. 巡检人员进行交接时不用归还或移交巡检物品
D. 设备设施存在潜在隐患、故障维修后的观察期，须对相应的设备、设施增加监控、巡检频度

[单选题]预加氢高分液面控制偏低,有可能造成的危害是( )。
A.预加氢外排氢带油
B. 高压窜的低压
C.精制油不合格
D.预加氢循环机带油

[填空题]TOSI锅炉磨煤机电动机线圈温度（）时报警，（）时保护跳闸。

[多选题]公安部、国家烟草专卖局制售假烟网络案件标准是( )
A.涉案金额100万元以上
B.涉及两个以上非法生产、购进、储存、销售环节
C.逮捕犯罪嫌疑人不少于3个
D.非法运输烟草专卖品的车辆不少于5辆

[判断题]坚持自力更生绝不意味着闭关锁国，也不意味着降低对外开放的重要地位。

[单选题]
暂态稳定性分析的基本任务包括分析判定电力系统在大扰动下能否保持同步运行，以及保持同步运行的能力的强弱，还包括分析系统的暂态稳定极限和暂态稳定措施，确定非同步运行后的再同步及事故后的恢复策略，最大量的分析是功角稳定问题。
A.对
B.错

[单选题]阀型避雷器阀电阻片具有( )特性。
A.非线性
B.线性
C.线性或非线性

[单项选择]Robots at Work
The newspaper production process has come a long way from the old days when the paper was written, edited, typeset and ultimately printed in one building with the journalists working on the upper floors and the printing (19) going on the ground floor. These days the editors, sub-editors and journalists who put the paper together are (20) to find themselves in a totally different building or maybe even in a different city. This is the (21) which now prevails in Sydney. The daily paper is complied at the editorial headquarters, known as the pre-press centre, in the heart of the city but printed far away in the suburbs at the printing centre. Her human beings are in the (22) as much of the work is done by automated machines controlled by computers.
(23) the finished newspaper has been created for the next morning’s edition, all the pages are (24) electronically from pre-press centre to t

[单选题]一个12岁的女生，每天需要___(　　)___微克维生素D？
A.5
B.6
C.7
D.8

[填空题]167.当现场运行设备发生安全装置（）、压力表异常、阀门漏气等异常情况时，应查明原因，严禁直接开展现场工作。——

[单项选择]环烯醚萜类化合物多数以苷的形式存在于植物体中，其原因是
A. 结构中具有半缩醛羟基
B. 结构中具有环状半缩醛羟基
C. 结构中具有缩醛羟基
D. 结构中具有环状缩醛羟基
E. 结构中具有烯醚键羟基

[判断题]票务部：负责对申报的施工执行情况进行统计、分析。
A.正确
B.错误

[多项选择]合理预期理论的核心命题是（）。
A. 在当代信息社会中，人们可以而且能够作出合理预期
B. 人们在看到现实即将发生变化时就倾向于从自身利益出发，作出合理的明智反应
C. 公众根据合理预期指导自己的行为，能使市场机制发挥最充分的作用，从而保持市场出清
D. 人们做出的合理明智的反应能够使政府的财政政策和货币政策不能取得预期的效果
E. 公众的预期比政府更合理、更灵敏、更准确

[简答题]In general, investment in the United States will be in the form of a subsidiary. It is possible for a non-U.S corporation to operate a branch office in the United States, but there are significant disadvantages to a branch, particularly with respect to its tax treatment.
Branches of non-U.S corporations are not subject to federal regulation or registration requirements. However, each state will require a "foreign" corporation to "qualify" before "doing business" in that state. A corporation will be considered "foreign" if it is organized under the laws of another country or another state, and so this is not a requirement imposed only on non-U.S investors.
"Doing business" is a technical term that implies a substantial presence in the state. This would include the ownership of leasing of real property, the maintenance of a stock of goods for local sale, employee and the like. Selling products to local customers, either directly or through an independent sales representativ

[单项选择]男，56岁，双手抖动伴运动障碍2年。体检：记忆力稍差，拇指与示指呈搓丸样静止性震颤，铅管样肌强直，手指扣纽扣，系鞋带困难，写字越写越小。最可能的诊断是（）
A. 特发性震颤
B. 特发性帕金森病
C. 帕金森病
D. 抑郁症
E. 肝豆状核变性

[单选题]密接式钩缓装置正常使用（）个月应该至少进行一次开钩、闭钩操作，检查钩舌是否转动灵活。
A.1
B.2
C.3
D.4

[简答题]公安机关如何保障民警心理健康？

[单项选择]腧穴的主治特点包括近治作用、远治作用和（）。
A. 调和作用
B. 平衡作用
C. 疏通作用
D. 扶正作用
E. 特殊作用

[简答题]新设备启动前应具备什么条件？

[单选题]通电导体的电流越大，产生的电动力就越大。
A.A、正确
B.B、错误

[判断题]架空配电线路和高压配电设备验电应有人监护。
A.正确
B.错误

[填空题]肉用仔鸡的饲养期是（）周龄。

[单选题]刀具切削部分的常用材料中.红硬性最好的是()。
A.碳素工具钢
B.高速钢
C.硬质合金
D.陶瓷

[单选题]下列关于基准利率的说法中，错误的是（　　）。
A.基准利率是利率市场化机制形成的核心
B.基准利率只能反映实际市场供求状况
C.基准利率在利率体系、金融产品价格体系中处于基础性地位
D.基准利率是利率市场化的重要前提之一

[判断题]《庄子》一书又称《南华经》，这是一部充满了哲学思辨的著作。

[判断题]当代资本主义的新变化，不可否认是人类历史进步的表现，也改变了资本主义生产关系的实质。
A.正确
B.错误

[单项选择]每（）年刷新一次管网标识并测量一次标高。
A. 2
B. 3
C. 4
D. 5

[判断题]10kV及以下三相供电电压允许偏差为额定电压的±10%。( )
A.正确
B.错误

[单项选择]下列药物中属于孕激素的是（）
A. 苯丙酸诺龙
B. 炔诺酮
C. 地塞米松
D. 达那唑
E. 米非司酮

[简答题]试述室间隔缺损心脏听诊的特点?

[单选题]临床应用的肝酶谱中，反映酒精性肝炎的血清酶为（）。
A.ALT
B.AST
C.ALP
D.LD
E.γ-GT

[单选题]当兵网点电压为标称电压的115%时,光伏发电站至少持续运行( )。
A.5s
B.10s
C.15s
D.20s

[单项选择]
Directions: There are five reading passages in this part. Each passage is followed by five questions. For each question there are four suggested answers marked A, B, C and D. Choose one best answer and blacken the corresponding letter on the Answer Sheet.
Passage One

Walking through the dry leaves on his way home, Pat thought of what a bad day in school it had been. But every day was a bad day for him; he and the school did not like each other. But now that he was in the forest, Pat began to feel more like his usual self. He stopped to look at the quick moving stream of water called the Totopotomy. This little river was named for a man Pat liked, Totopotomy chief of the friendly Paumunkey Indians. He had heard stories about boys caught by the Paumunkeys who, when they were free, did not want to go home. Pat could understand how they
A. not having to go to school
B. living in the fresh air
C. going fishing and hunting
D. not wanting to go home

[单项选择]购买力平价理论表明，决定两国货币汇率的因素是 ( )
A. 含金量
B. 价值量
C. 购买力
D. 国民收入

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