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【单选题】
有关策划开幕式的时间和地点说法正确的是( )。A.
开幕式的地点都安排在展馆前的广场上
B.
开幕时间应充分考虑当地交通、气候及工作习惯等因素
C.
开幕式持续时间不宜过长，持续时间一般为 60-90分钟为宜
D.
开幕式中有表演活动是必要条件
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【单选题】The DGS8800e digital governing system used in AC-4 main engine control system is ______.
A.
a fully digital governor controlled by MPU
B.
a hydraulic governor assisted by MPU
C.
only suitable for fixed speed diesel
D.
a modularized governor with field bus connection
【简答题】Please Interpret the following paragraph into target language.
【简答题】请对我国运动训练管理运作方式进行论述。
【简答题】将物体向不平行于基本投影面投射所得到的视图称为 。
【单选题】Birds are literally half-asleep-with one brain hemisphere alert and the other sleeping, according to a new study of sleeping ducks. Earlier studies have documented half-brain sleep in a wide range of ...
A.
half-brain sleep is found in all kinds of birds
B.
half-brain sleep is characterized by accelerated brain waves
C.
birds can control their half-brain sleep consciously
D.
birds always sleep with the whole of their brain at rest
【简答题】PLEASE interpret the second video and the third.
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