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【多选题】
预算定额的编制步骤是（ ）。A.
申请阶段
B.
准备工作阶段
C.
编制初稿阶段
D.
定稿及报批阶段
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举一反三
【单选题】The five rings on the Olympic flag ______ the five continents that are joined together in the Olympic Games.
A.
belong to
B.
stand for
C.
take apart
D.
pack up
【简答题】if the single-channel transmission rate of a WDM system goes up to 2.5G or above, the phenomenon of （）will take place.
【单选题】党的十六大通过的新党章明确指出,党的思想路线是( )
A.
解放思想,实事求是,走自己的路
B.
解放思想,与时俱进,开拓创新
C.
一切从实际出发,理论联系实际,实事求是,在实践中检验真理和发展真理
D.
一切从实际出发,解放思想,实事求是,与时俱进,在实践中检验和发展真理
【单选题】Factor influencing the position of the interface between the liquid seal and the oil in a purifier is _____.
A.
throughput
B.
back pressure
C.
gravity disc
D.
None of the above is wrong
【单选题】Which sentence is not correct according to the text? ______.
A.
In dense WDM, the value of ‘dense’ may different for different persons
B.
The core has a higher refractive index than the cladding in a fiber
C.
A receiver needs to de-multiplex a singal when receives it
D.
The main issue on a fiber in transmission is controlling crosstalk effects
【简答题】党章指出,党的思想路线是 。
【简答题】However,the strategy detailed here implements ____ resolution (buffering)directly in the optical domain to yield WDM optical packet switching.A. evaluation B. content C. contention D. transmission
【单选题】According to the author, ______ may be the most important factor influencing healthy lifestyles.
A.
technology
B.
cultural background
C.
environment
D.
the desire to be healthy
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