单项选择题

递出名片不能用左手。
A、正确
B、错误

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单项选择题

Stereotypes are considered ______.
A、the most significant barrier to effective intercultural communication
B、a common thing among most cultures
C、a negative force in human communication
D、one of the most significant barrier to effective intercultural communication

单项选择题

设：工资=5800，职称="讲师"，性别="男"，结果为假的逻辑表达式是 ( )。 A.
工资>5500.AND.职称="助教".OR.职称="讲师" B.
性别="女".OR..NOT.职称="助教" C.
工资>5000.AND.职称="讲师".AND.性别="男" D.
工资=5500.AND.(职称="教授".OR.性别="男")