数据可视化的目的是为了尽可能多的发现问题并得出“不良结论”，这样才能体现数据分析的价值
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Each of you ______ responsible for the accident.
A. am
B. be
C. is
D. are
______ is to attend our evening.
A. both the singer and the dancer
B. Either the singer or dancer
C. The singer or dancer
D. The singer and dancer
Each man and woman ______ the same rights.
A. has
B. have
C. had
D. is having
The committee ______ over the problem among themselves for two hours.
A. has argued
B. has been arguing
C. have argued
D. have been arguing
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