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【单选题】
一个电偶极矩如果振动频率提高一倍，那么（）。A.
辐射功率是原来的两倍
B.
辐射功率是原来的四倍
C.
辐射功率是原来的8倍
D.
辐射功率是原来的16倍
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举一反三
【单选题】What is linguistic competence concerned with?
A.
Appropriate use of the language in social context
B.
Ability to create coherent written text or conversation and the ability to understand them
C.
Strategies one employs when there is communication breakdown due to lack o f resource
D.
Knowledge of language itself, its form and meaning
【单选题】What is linguistic competence concerned with?
A.
Ability to create coherent written text or conversation and the ability to understand them
B.
Strategies one employs when there is communication breakdown due to lack of resources
C.
Knowledge of language itself, its form and meaning
D.
Appropriate use of the language in social context
【简答题】库伦静摩擦定律中的 是一个无量纲的比例常数。
【单选题】What is linguistic competence concerned with?
A.
Appropriate use of the language in social context
B.
Ability to create coherent written text or conversation and the ability to understand them
C.
Strategies one employs when there is communicative breakdown due to lack of resources
D.
Knowledge of language itself, its form and meaning
【简答题】应付与付款流程以______文件为基础数据，通过应付款管理，出纳付款，将______送给供应商，完成整个采购和付款流程。
【单选题】What is linguistic competence concerned with?
A.
Appropriate use of the language in social context
B.
Ability to create coherent written text or conversation and the ability to understand them
C.
Strategies one employs when there is communication breakdown due to lack of resources
D.
Knowledge of language itself, its form and meaning
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