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【单选题】
在下图所示液压回路中用数字（）表示液压油缸。A.
1
B.
2
C.
3
D.
5
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【简答题】● 项目管理是保证项目成功的核心手段，在项目实施过程中具有重大作用。（32） 是项目管理的重要元素，是项目实施的基础；（33）要确定哪些工作是项目应该做的，哪些工作不应该包含在项目中；（34）采用科学的方法，在与质量、成本目标等要素相协调的基础上按期实现项目标。 （32） A.分析文档 B.项目开发计划 C.设计文档 D.源代码 （33） A.进度管理 B.风险管理 C.范围管理 D.配置管理 （...
【单选题】A society cannot be successful if it throws tradition away, but it cannot be successful ____if we do something to stop progress.
A.
either
B.
neither
C.
too
D.
also
【单选题】If natural gas produced in the U.S. was exported to countries in Asia and Europe, what factor would likely increase the price of that natural gas in the importing countries?
A.
The U.S. would impose export charges on each unit of natural gas exported and those charges would be passed along to the importing countries.
B.
Exporters in the U.S. would arbitrarily inflate the costs of production so that the importing countries would pay higher prices.
C.
Importing countries would impose tariffs on the imported natural gas and those tariffs be passed along by exporting companies to importing countries.
D.
Natural gas from the U.S. would have to be liquefied and transported in specially- designed ships to Asia and Europe, so transportation costs would increase the price of the imported natural gas in Asia and Europe.
【单选题】When estimating expenses for a budget,
A.
last month's and last year's expenses are not a good starting point.
B.
many of the same expenses do not occur each month.
C.
large unusual expenses such as car or hospital bills should be included.
D.
estimating your future assets is a good starting point.
【单选题】给定船舶的基本阻力取决于()。
A.
该船舶的方形系数C和实际吃水
B.
该船舶的实际吃水和航速
C.
该船舶的长宽比L/B和航速
D.
该船舶的方形系数C和长宽比L/B
【单选题】项目管理是保证项目成功的核心手段，在项目实施过程中具有重大作用，项目开发计划是项目管理的重要元素，是项目实施的基础：（）要确定哪些工作是项目应该做的，哪些工作不应该包含在项目中
A.
进度管理
B.
风险管理
C.
范围管理
D.
配置管理
【简答题】高压断路器依靠所配属的（）完成分、合闸操作。
【简答题】Piles of dung can' t be relied upon when it comes to estimating elephant numbers because.
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