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【单选题】
某水域经几次监测 CODcr的浓度为:16.9mg/L、19.8mg/L、17.9mg/L、21.5mg/L、14.2mg/L,用内梅罗法计算CODcr的统计浓度值是( C )mg/L。A.
18.1
B.
21.5
C.
19.9
D.
19.4
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【单选题】It’s incredible that the sci-fi film, set in the Space, ________ adults as well as teenagers.
A.
appeals to
B.
leads to
C.
belongs to
D.
refers to
【简答题】以眩晕欲仆，肢体震颤，步履不稳，舌红脉弦有力属于（ ）
【简答题】工程流体力学第九次作业.docx
【单选题】All the children are getting excited and looking forward to ______ the new film and the film stars.
A.
see
B.
seeing
C.
have seen
D.
having seen
【简答题】电梯()安装在曳引机旁边,是电梯的电气装置和信号控制中心。
【简答题】眩晕欲仆，肢体震颤，步履不稳，舌红脉弦有力属于（ ）
【单选题】Griffith's film innovations had a direct effect on all of the following EXCEPT ______.
A.
film editing
B.
camera work
C.
range of subjects
D.
sound editing
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