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问题 填空题

日常生活中常用的统计图有______、______、______．

答案

日常生活中常用的统计图有：条形统计图、折线统计图、扇形统计图；

故答案为：条形统计图、折线统计图、扇形统计图．

单项选择题

Which of the following limits the ability of arbitrage to correct anomalies（）

A. Arbitrage is a relatively riskless activity, which has led to consistently reduced profits for many arbitrageurs, thereby reducing their interest in correcting market anomalies. 

B. There is no guarantee that even correctly identified relative mispricing of similar stocks will be corrected in the near term.

C. Arbitrageurs are sophisticated traders but their short supply precludes the correction of market anomalies.
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填空题

焦油加工的主要任务是获得酚、萘、蒽等纯产品和（）等粗产品。
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