利用工程造价指数来研究实际工作,其意义在于( )。 A.分析价格变动趋势及其原因

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问题:

利用工程造价指数来研究实际工作,其意义在于( )。

A.分析价格变动趋势及其原因
B.分析工程量所引起的工程造价的变化
C.估计工程造价变化对宏观经济的影响
D.修正投资仙算
E.可作为工程承发包双方进行工程估价和结算的重要依据

考点:造价工程师工程造价计价与控制工程造价计价与控制
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要使菜单项MenuOne在程序运行时失效,使用的语句是( )。

A. 程序的语法错

B. 程序在编译和运行中所发生的异常事件

C. 程序预先定义好的异常事件

D. 程序编译错误

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如图所示,质量为3m的L形均匀直角棒OAB,下端可绕O轴自由转动,右侧靠在光滑的竖直墙壁上,AB边处于水平状态,已知OA边的长度为AB边的2倍,则此时竖直墙壁受到直角棒弹力的大小为______.若在棒和竖直墙壁之间放置一块质量为m、厚度不计的薄板C,棒和薄板间的动摩擦因数为0.5.现对薄板C施加沿竖直方向的拉力,第一次使之沿竖直墙壁向上匀速运动,第二次向下匀速运动,则两次拉力的大小之比为______.

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等收入曲线

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当你在进行园林植物配置的时候,你会注意哪些问题?

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One is never at a loss for a place to (1) in Malaysia.The country’s cities and major towns have a (2) range of accommodation to suit all tastes and budgets. Most international- (3) hotels cater to total living requirements and as such, one (4) easily find restaurants, entertainment outlets and fitness centres within the (5) complex.
Several resort hotels even have adjoining golf courses and (6) parks with special privileges accorded to hotel guests. Family outings (7) these hotels can be a practical yet fun-filled activity. Guests (8) on longer stays may appreciate the serviced apartments situated within (9) major cities.
Malaysia is also an excellent destination for romantic getaways, (10) for honeymooners seeking an idyllic tropical retreat with (11) amenities. The country’s award-winning island resorts are paradises waiting to be (12) .
For budget-conscious tourists, there is an array of accommodations located (13) to amenities and tourist attractions. Budget accommodations in Malaysia are (14) according to the Orchid Classification Scheme and include hostels, bed (15) breakfast establishments, inns, boarding houses, rest houses and lodging houses. (16) Orchid rating is awarded to tourist accommodations offering basic facilities (17) well as safe and clean premises.
Adventurous souls can try (18) the innumerable value-for-money kampung-style chalets located along popular beaches. Nature (19) seeking communion with nature in Malaysia’s world-famous nature parks such (20) Taman Negara will be amazed by the easy availability of chalets with modern facilities in these areas.

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