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【背景资料】 某投资公司建造一幢办公楼,采用公开招标方式选择施工单位。招标文件要求:提交投标文件和投标保证金的截止时间为2011年5月30日。该投资公司于2011年3月6日发出招标公告,共有5家建筑施工单位参加了投标。第五家施工单位于2011年6月2日提交了投标保证金。开标会于2011年6月3日由该省建委主持。经过综合评选,最终确定第2家施工单位中标。投资公司(甲方)与中标单位(乙方)双方按规定签订了施工承包合同,合同约定开工日期为2011年8月16日。工程开工后发生了如下几项事件。 事件1:因拆迁工作拖延,甲方于2011年8月18日才向乙方提供施工场地,导致乙方A、B两项工作延误了2d,并分别造成人工窝工6个和8个工日;但乙方C项工作未受影响。 事件2:乙方与机械设备租赁商约定,D项工作施工用的某机械2011年8月28日进场,但因出租方原因推迟到当月29日才进场,造成D工作延误1d和人工窝工7个工日。 事件3:因甲方设计变更,乙方在E项工作施工时,导致人工增加14个工日,相关费用增加了1.5万元,并使施工时间增加了2d。 事件4:在F项工作施工时,因甲方供材出现质量缺陷,乙方施工增加用工6个工日,其他费用1000元,并使H项工作时间延长1d,人工窝工24个工日。 上述事件中,A、D、H三项工作均为关键工作,没有机动时间,其余工作均有足够的机动时间。 上述招标投标过程中,有哪些不妥之处?请说明理由。
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【多选题】适合拍摄人像的定焦镜头有哪些?
A.
50mm
B.
85mm
C.
100mm
D.
135
【单选题】关于汽车制动跑偏和制动侧滑的关系说法正确的是( )。
A.
自动跑偏不会引起制动侧滑
B.
制动侧滑不会引起自动跑偏
C.
严重的制动跑偏会引起制动侧滑
D.
二者概念上是一致的
【单选题】什么焦距段的镜头适合拍摄50-100米距离的候鸟而且成像质量高?
A.
24-105mm变焦镜头
B.
70-200mm变焦镜头
C.
600-800定焦镜头
D.
85定焦头
【多选题】定焦镜头适合人像拍摄的特点有()。
A.
镜头孔径大,通光能力强
B.
背景虚化效果好
C.
能够拍摄出大景深的效果
D.
能够营造出小景深的效果
【单选题】GDP is defined as
A.
the market value of all intermediate goods and services produced within a country in a given time period.
B.
the market value of all final goods and services produced within a country in a given time period.
C.
ven time period.
D.
the market value of all intermediate goods and services produced by a country's citizens within a given time period.
E.
the market value of all final goods and services produced by a country's citizens within a given time period.
【单选题】GDP is defined as the
A.
value of all goods and services produced within a country in a given period of time
B.
value of all goods and services produced by the citizens of a country, regardless of where they are living, in a given period of time.
C.
value of all final goods and services produced within a country in a given period of time.
D.
value of all final goods and services produced by the citizens of a country, regardless of where they are living, in a given period of time.
【单选题】Net asset value is defined as the _________.资产净值定义为_________。
A.
market value of all securities held divided by the number of shares outstanding (所持全部证券的市值除以流通股数)
B.
book value of all assets held divided by the number of shares outstanding (持有的全部资产的账面价值除以流通股数)
C.
future value of all assets held divided by the number of shares outstanding (持有的全部资产的未来价值除以流通股数)
D.
book value of all securities held divided by the number of shares outstanding (所持全部证券的账面价值除以流通股数)
【单选题】下列编码中属于可靠性编码的是【】。
A.
8421码
B.
奇偶校验码
C.
ASCII
D.
右移码
【单选题】下列( )编码属于变换编码。
A.
DCT
B.
PCM
C.
RLE
D.
D/A
【单选题】GDP is defined as the market value of all final goods and services produced
A.
by the citizens of a country, regardless of where they live, in a given period of time; this definition focuses on GDP as a measure of total income.
B.
by the citizens of a country, regardless of where they live, in a given period of time; this definition focuses on GDP as a measure of total expenditure.
C.
within a country in a given period of time; this definition focuses on GDP as a measure of total income.
D.
within a country in a given period of time; this definition focuses on GDP as a measure of total expenditure.
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