用移动平均法修匀时间数列时,在确定平均的项数时A、必须考虑现象有无周期性变动B、不必须考虑现象有无周

用移动平均法修匀时间数列时,在确定平均的项数时A、必须考虑现象有无周期性变动B、不必须考虑现象有无周期性变动C、可以考虑也可以不考虑周期性变动D、平均的项数必须

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The manager gave her his ______ that her complaint

The manager gave her his ______ that her complaint would be investigated.A. cons

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