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问题 多项选择题

下列天气中，不得进行跨越不停电线路架线施工的是（）。

A.雷电、雨、雪

B.相对湿度大于70%

C.四级大风

D.相对湿度大于85%

E.5级大风

答案

参考答案：A, D, E

选择题

下列图象能正确反映所对应叙述关系的是 [ ]

A. 一定量的木炭还原氧化铜

B. t℃时，向饱和硝酸钾溶液中加入硝酸钾晶体

C. 一定量的稀硫酸与锌粒反应

D. 向稀硫酸中不断加入氢氧化钡溶液        

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单项选择题

Consider the following descriptions of approaches used in valuing real estate: Approach 1: In this approach, the present value of after-tax cash flows are calculated based on the investor’s required rate of return before the equity portion of the investment is deducted. Approach 2: In this approach, the value of land is estimated and is added to the price that would have to be paid if a property had to be replaced. Approach 3: In this approach, an appraisal price is estimated as the discounted net operating income based on the market required rate of return. Approach 4: This approach relies on examining recent transaction prices from a group of similar properties and depends on a reasonably liquid market. List in order, from Approach 1 to Approach 4, the real estate valuation methods that correspond to each of the four valuation approaches listed above.（）

A. The discounted after-tax cash flow model, the cost method, the income method, and the sales comparison method.

B. The income method, the cost method, the sales comparison method, and the discounted after-tax cash flow model.

C. The income method, the discounted after-tax cash flow model, the sales comparison method, and the cost method.
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