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【多选题】
控制测量在工程建设整个过程中的基本任务包括：A.
建立测图控制网
B.
测绘地形图
C.
建立施工控制网
D.
建立变形监测网
E.
进行高程测量
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反馈参考答案：
举一反三
【单选题】With the help of high technology, more and more new substances ______ in the past 10 years.
A.
discovered
B.
have discovered
C.
had been discovered
D.
have been discovered
【单选题】A man escaped from the prison last night. It was a long time __________ the guards discovered what had happened.
A.
before
B.
until
C.
since
D.
when
【单选题】This is an exciting area of study, and one ______ which new applications are being discovered almost daily.
A.
from
B.
by
C.
in
D.
through
【简答题】Scientists at Royal Holloway, University of London and Queen Mary, University of London have discovered that bees learn to fly the shortest possible route between flowers even if they discover the fl...
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