Which is NOT mentioned as a cause of American students' casual writing？
A. emailing
B. slack teaching
C. instant messaging
D. informal culture of the society
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会计中期不包括()。
A. 季度
B. 半年度
C. 星期
D. 月度
秦始皇征服居住在浙江一带的越族后，建置()郡。
A. 桂林
B. 象
C. 会稽
D. 九原
Computer newspapers have many advantages, except ______.
A. they are cheaper than traditional newspapers
B. they are very convenient to use
C. you can get more information from them quickly
D. you can easily save information for future use
孙中山三民主义思想的核心是()。
A. 民族主义
B. 民生主义
C. 民权主
D. 平均地权
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