题目内容

Cliff House has gone through five major constructions and reconstructions since its beginning in 1858. That year, Samuel Brannan, a prosperous man from Maine, bought for $1,500 the lumber from a ship that wrecked on the cliffs below. With this material he built the first Cliff House. The second Cliff House was built for Captain Junius G. Foster, but as it was a long difficult trip from the city, the house hosted mostly horseback riders, small game hunters or picnickers on day outings. With the opening of a toll road a year later, the Cliff House became successful with the Carriage trade for Sunday travel. On weekends, there was little room at the Cliff House for horses and carriages. Soon, omnibus railways and streetcar lines made it to near Lone Mountain where passengers transferred to stagecoach lines to the beach. The growth of Golden Gate Park attracted beach travelers in search of meals and a look at the Sea Lions sunning themselves on Seal Rock, just off the cliffs to visit the area. In 1877, the toll road, now Geary Boulevard, was purchased by the City of San Francisco for around $ 25,000. In 1883, after a few years of downturn, the Cliff House was bought by Adolph Sutro, a multimillionaire who made his fortune from mining. After a few years of quiet management by J. M. Wilkens, the Cliff House was severely damaged by an explosion of the ship, which destroyed the northern part of the house. Seven years later, on Christmas 1894 the repaired old building burned down. In 1896, Adolph Sutro built a new Cliff House, a seven-story Victorian style castle, called by some "the Gingerbread Palace." In the same year, work began on the famous Sutro Baths, which included six of the largest indoor swimming pools north of the restaurant that included a museum, a skating rink and other pleasure grounds. Great throngs of San Franciscans arrived on steam trains, bicycles, carts and horse wagons on Sunday excursions. The Cliff House and Sutro Baths survived the 1906 earthquake with little damage but burned to the ground on the evening of September 7, 1907. Rebuilding of the restaurant was completed within two years and, with additions and modern restorations, is the one seen today. The building was acquired by the National Park Service in 1977 and it became part of the Golden Gate National Recreation Area. The site overlooks the Seal Rock and the former site of the Sutro Baths. More than thirty ships have been pounded to pieces on the southern shore of the Golden Gate below Cliff House. The Cliff House we see today was completed in ______.

A. 1906
B. 1907
C. 1909
D. 1977

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某方案的内部收益率为23%,现以内部收益率作为技术方案经济效果评价指标对方案作单因素敏感性分析。当投资额在初始值的基础上分别按+10%、-10%的变化幅度变动时,对应的内部收益率分别变为17%、29%;令销售收入在初始值的基础上分别按+10%、-10%的变化幅度变动,对应的内部收益率分别变为41%、5%。因此,内部收益率对投资额的敏感度系数S1和内部收益率对销售收入的敏感度系数S2依次为______。

A. 2.61,7.83
B. -2.61,7.83
C. 2.61,0.78
D. -2.61,-0.78

下列指标中,经济意义明确、直观,计算简便,在一定程度上反映了投资效果的优劣,可适用于各种投资规模的指标是______。

A. 资本金净利润率
B. 投资净收益率
C. 投资收益率
D. 财务净现值率

某项目年设计生产能力10万台,年固定成本为1200万元,预计产品单台售价为600元,单台产品可变成本为295元,单台产品销售税金及附加为30元,则项目盈亏平衡点的产销量为______万元。

A. 1.34
B. 3.93
C. 4.36
D. 4.89

虽不是实际支出,但在工程经济分析时,应作为一个因素加以认真考虑,有助于选择最优方案的是______。

A. 资金成本
B. 历史成本
C. 机会成本
D. 重置成本

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