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【多选题】
有关篮球教学与训练的科学化研究表现出的趋势为( )。A.
进行深层次篮球教学与训练基本理论的探索
B.
组织不同学科的专家，运用多学科知识联合进行教学训练研究
C.
研究内容更趋于细化和全面
D.
广泛运用高科技成果来控制教学训练过程
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举一反三
【单选题】It is stated in the passage that the sleepless elite______.
A.
find themselves easy to become angry
B.
have their way to keep a good shape
C.
can do two jobs well in the meantime
D.
depend heavily on coffee to refresh themselves
【单选题】In such a changing, complex society formerly simple solutions to informational needs become complicated. Many of life's problems which were solved by asking family members, friends or colleagues are b...
A.
the lack of stable communities
B.
the breakdown of informal information channels
C.
the increased mobility of families
D.
the growing number of people moving from place to place
【简答题】升压变压器一次绕组的匝数比二次绕组的匝数___________________。
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