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【多选题】
某施工企业与业主鉴订了某工程的施工承包合同，该施工测量精度要求较高，屋盖采用钢结构，其中有部分钢材为国外进口，钢筋和水泥等主要材料为业主供应，施工单位负责检验，为保证工程质量，施工单位编制了详细的质量控制方案，对材料质量控制、测量控制、技术交底等都提出了具体方案。 选择质量控制点的原则通常包括( )。A.
施工中的薄弱环节
B.
施工投入资源大的工序和部位
C.
采用新技术或者新员工的部位或环节
D.
施工无把握、施工条件困难的工序
E.
对下道工序有较大影响的上道工序
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【单选题】China should become a global leader in energy efficiency by 2050________nuclear power is likely to account for at least half of the country's energy. [ ]
A.
on which
B.
that
C.
when
D.
for that
【简答题】阅读理解。 Ride With The Leader CitySights NY has become the recognized leader in NYC's sightseeing. We operate the first top-deck-seating-only buses. Look for friendly ticket agents throughout the city. W...
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【简答题】Ride With The Leader CitySights NY has become the recognized leader in NYC’s sightseeing. We operate the first top-deck-seating-only buses. Look for friendly ticket agents throughout the city. We very...
【简答题】阅读理解。 Ride with the Leader CitySights NY has become the recognized leader in NYC's sightseeing. We operate the first top-deck-seating-only buses. Look for friendly ticket agents throughout the city. W...
【单选题】Benjamin Franklin was the greatest early American leader never to become president of the United States, but he served in many other crucial positions for the colonies and the American government. He ...
A.
A politician
B.
An inventor
C.
A writer
D.
A president
【单选题】以下关于图形变换的论述那些是不正确的?
A.
平移变换不改变图形大小和形状，只改变图形位置 ；
B.
错切变换虽然可引起图形角度的改变，但不会发生图形畸变；
C.
拓扑关系不变的几何变换不改变图形的连接关系和平行关系；
D.
旋转变换后各图形部分间的线性关系和角度关系不变，变换后直线的长度不变；
【单选题】Little is known inside or outside North Korea about the young man _____could become the next leader. [ ]
A.
who
B.
which
C.
whom
D.
/
【简答题】在当代社会,有人说雷锋精神过时了。结合实际,谈谈自己的看法,并结合亲身体会谈谈如何践行雷锋精神。
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