They arrived together but left ________ yesterday.

They arrived together but left ________ yesterday.A. separatelyB. individu

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White has always been a ________ of purity in West

White has always been a ________ of purity in Western cultures.A. symbolB. s

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6.一般说来,在生产量大于销售量的情况下,按变动成本法确定的营业净利大于按完全成本法所确定的营业净利

6.一般说来,在生产量大于销售量的情况下,按变动成本法确定的营业净利大于按完全成本法所确定的营业净利。

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There is a ________ network of roads round the cou

There is a ________ network of roads round the country.A. mixed B. difficult

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步进电机驱动电源的主要作用是为电机绕组提供( )。

步进电机驱动电源的主要作用是为电机绕组提供( )。

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