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一、单项选择题(下列各题,各有一个最符合题意的答案。请把所选答案的字母填在题干后的话号内) 1.一定时期,流通中实际需要的货币量为2000亿元,纸币的发行量为8000亿元,则1元纸币的购买力相当于货币的( ) A.4元 B.1元 C.0.5元 D.0.25元 2.如果原来1尺布可以换1斤大米,现在生产布的社会必要劳动时间减少一半,而生产大米的社会必要劳动时间增加一倍,那么,现在1斤大米可以换 ( ) A.1尺布 B.2尺布 C.1/4尺布 D.4尺布
First, single-choice questions (the following questions, each with an answer that most closely corresponds to the question. Please fill in the letter of the selected answer in the number after the question). 1. For a certain period of time, the amount of money actually needed in circulation is 2,000. Billion, the circulation of banknotes is 800 billion yuan, then the purchasing power of 1 dollar bills is equivalent to money () A.4 yuan B.1 yuan C.0.5 yuan D.0.25 yuan 2. If the original 1 foot can be changed 1 In the case of rice, the socially necessary labor time for producing cloth is now reduced by half, and the socially necessary labor time for rice production is doubled. Then, 1 kg of rice can now be exchanged () A.1 B.2 C.1. 4 foot cloth D.4 foot cloth