The price of vegetables fluctuates according to the weather.

The price of vegetables fluctuates according to the weather.A.jumps B.rises C.fa

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During the experiment, the subjects were asked

During the experiment, the subjects were askedA.to control the sensors and the c

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Scientists at Carnegie Menon University tried to find out

Scientists at Carnegie Menon University tried to find outA.why office doors were

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下列关于劳动二重性的表述中正确的是(  )

下列关于劳动二重性的表述中正确的是(  )A.生产商品的劳动具有具体劳动和抽象劳动的二重性质 B.劳动二重性决定了商品的二因素 C.生产各种商品的具体劳动性质不

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资本主义国家的国体是(  )

资本主义国家的国体是(  )A.资产阶级专政 B.无产阶级专政 C.农民阶级专政 D.资产阶级和无产阶级联合专政

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